Please refer to the English Version as our Official Version.

Europe: France~~(Français)~~ Germany~~(Deutsch)~~ Italy~~(Italia)~~ Russian~~(русский)~~ Poland~~(polski)~~ Czech~~(Čeština)~~ Luxembourg~~(Lëtzebuergesch)~~ Netherlands~~(Nederland)~~ Iceland~~(íslenska)~~ Hungarian~~(Magyarország)~~ Spain~~(español)~~ Portugal~~(Português)~~ Turkey~~(Türk dili)~~ Bulgaria~~(Български език)~~ Ukraine~~(Україна)~~ Greece~~(Ελλάδα)~~ Israel~~(עִבְרִית)~~ Sweden~~(Svenska)~~ Finland~~(Svenska)~~ Finland~~(Suomi)~~ Romania~~(românesc)~~ Moldova~~(românesc)~~ Slovakia~~(Slovenská)~~ Denmark~~(Dansk)~~ Slovenia~~(Slovenija)~~ Slovenia~~(Hrvatska)~~ Croatia~~(Hrvatska)~~ Serbia~~(Hrvatska)~~ Montenegro~~(Hrvatska)~~ Bosnia and Herzegovina~~(Hrvatska)~~ Lithuania~~(lietuvių)~~ Spain~~(Português)~~ Switzerland~~(Deutsch)~~ United Kingdom~~(English)~~

Asia/Pacific: Japan~~(日本語)~~ Korea~~(한국의)~~ Thailand~~(ภาษาไทย)~~ Malaysia~~(Melayu)~~ Singapore~~(Melayu)~~ Vietnam~~(Tiếng Việt)~~ Philippines~~(Pilipino)~~

Africa, India and Middle East: United Arab Emirates~~(العربية)~~ Iran~~(فارسی)~~ Tajikistan~~(فارسی)~~ India~~(हिंदी)~~ Madagascar~~(malaɡasʲ)~~

South America / Oceania: New Zealand~~(Maori)~~ Brazil~~(Português)~~ Angola~~(Português)~~ Mozambique~~(Português)~~

North America: United States~~(English)~~ Canada~~(English)~~ Haiti~~(Ayiti)~~ Mexico~~(español)~~

Home Products Resistors Through Hole Resistors~~RWR89S1580FSS70~~

Image may be representation.
See specifications for product details.

~~Favorite~~

EXPRESS OPTION

Payment method

RWR89S1580FSS70 - Vishay Dale

Name: Vishay Dale RWR89S1580FSS70
Brand: Vishay Dale
SKU: RWR89S1580FSS70
Price: 5.6 USD
Availability: InStock
Rating: 5 (1 reviews)

Manufacturer Part Number: RWR89S1580FSS70

Manufacturer: Dale / Vishay

Allelco Part Number: 98D-RWR89S1580FSS70

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 40,103 pcs available, New & Original

Parts Description: RES 158 OHM 3W 1% WW AXIAL

Package: Axial

Data sheet: RWR89S1580FSS70.pdf

HTML Datasheet
RWR Series, Military.pdf

RoHs Status

~~Compare~~

Our certification

In stock: 40103

Unit Price: $5.60
Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity	Unit Price	Ext. Price
1+	$5.60	$5.60

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

RWR89S1580FSS70 Tech Specifications
Vishay Dale - RWR89S1580FSS70 technical specifications, attributes, parameters and parts with similar specifications to Vishay Dale - RWR89S1580FSS70

Product Attribute	Attribute Value
Manufacturer	Dale / Vishay
Tolerance	±1%
Temperature Coefficient	±20ppm/°C
Supplier Device Package	Axial
Size / Dimension	0.187' Dia x 0.560' L (4.75mm x 14.22mm)
Series	Military, MIL-PRF-39007, RWR89S
Resistance	158 Ohms
Power (Watts)	3W
Package / Case	Axial

Product Attribute	Attribute Value
Package	Tape & Reel (TR)
Operating Temperature	-55°C ~ 250°C
Number of Terminations	2
Height - Seated (Max)	-
Features	Military, Moisture Resistant
Failure Rate	S (0.001%)
Composition	Wirewound
Base Product Number	RWR89

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	Not Applicable
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8533.21.0080

Frequently Asked Questions(FAQ)

What makes the RWR89S1580FSS70 suitable for military and aerospace applications compared to standard wirewound resistors?: The RWR89S1580FSS70 is manufactured to MIL-PRF-39007 specifications, which mandates rigorous testing protocols including thermal cycling, vibration resistance, and extended burn-in procedures. The 158 Ohm, 3W wirewound construction with ±1% tolerance and ±20ppm/°C temperature coefficient ensures stable performance across the -55°C to 250°C operating range required in extreme environments. The moisture-resistant design prevents performance degradation in high-humidity or salt-spray conditions encountered in military platforms, whereas commercial-grade resistors typically lack these environmental qualifications and reliability guarantees.

How does the RWR89S1580FSS70 perform in high-temperature applications, and what thermal management considerations apply?: The RWR89S1580FSS70 maintains rated 3W power dissipation up to 250°C, with the ±20ppm/°C temperature coefficient ensuring resistance drift remains predictable and minimal across thermal extremes. At elevated temperatures, wirewound construction inherently exhibits lower parasitic inductance than film resistors, reducing noise and transient artifacts in precision circuits. However, thermal cycling from -55°C to 250°C induces mechanical stress at solder joints; designers should verify PCB pad metallization compatibility and consider thermal relief patterns to prevent fatigue failure. The 0.187" diameter axial package limits convective cooling, so applications requiring continuous high-power operation may necessitate thermal potting or heatsinking to extend component lifetime.

What is the difference between the RWR89S1580FSS70 and commercial wirewound resistors in terms of failure rate and reliability prediction?: The RWR89S1580FSS70 carries a military failure rate rating of S (0.001% per 1,000 hours), derived from MIL-HDBK-217 reliability modeling and supported by extensive qualification testing. This contrasts sharply with commercial wirewound resistors, which typically exhibit failure rates of 0.01% to 0.1% per 1,000 hours under identical electrical stress. The RWR89S1580FSS70's lower failure rate reflects stringent manufacturing process controls, 100% high-pot testing, and stricter component burn-in procedures. For systems requiring MTBF calculations—such as avionics, missile guidance, or critical defense electronics—the RWR89S1580FSS70 provides documented reliability data supporting predictive maintenance and system availability targets.

How does the ±1% tolerance of the RWR89S1580FSS70 impact circuit design compared to ±5% or ±10% tolerance alternatives?: The RWR89S1580FSS70's ±1% tolerance reduces the worst-case resistance deviation to ±1.58 Ohms around the 158 Ohm nominal value. This tight tolerance eliminates the need for secondary trimming potentiometers in precision current-sensing applications, impedance-matching networks, or feedback dividers where ±5% tolerance (±7.9 Ohm spread) would introduce unacceptable circuit calibration errors. In analog filter designs, the RWR89S1580FSS70 enables precise corner-frequency targeting without tuning; in power distribution circuits, it reduces I²R losses and thermal gradients across redundant current-sharing branches. The tradeoff is cost; tighter tolerances and military qualification increase component procurement expenses, justifying their use only where performance or safety requirements demand precision.

Is the RWR89S1580FSS70 suitable for pulsed or transient high-current applications, and what derating factors apply?: The RWR89S1580FSS70's wirewound construction and 3W continuous rating support brief overload transients, but pulse energy handling depends on duty cycle and pulse duration. Repetitive pulses exceeding rated power generate cumulative thermal stress; the ±20ppm/°C temperature coefficient means sustained pulse operation heating the resistor to 150°C induces approximately +1.9% resistance shift from room-temperature baseline. For transient surge conditions (millisecond-scale pulses), the RWR89S1580FSS70 can tolerate 5-10x rated power momentarily without permanent damage, but repeated stress degrades wirewound reliability. Designers should derate the RWR89S1580FSS70 to 60-70% nominal power in pulsed environments and verify thermal simulation to confirm junction temperatures remain below 200°C for extended service life.

What environmental and moisture protection factors distinguish the RWR89S1580FSS70 in potted or conformal-coated assemblies?: The RWR89S1580FSS70's moisture-resistant designation indicates external coating or epoxy impregnation that prevents corrosive ionic contamination of wirewound elements and lead terminations. In humid, salt-spray, or marine environments, unprotected wirewound resistors develop leakage paths and parasitic capacitance between wire wraps, degrading high-frequency performance and increasing failure risk. The RWR89S1580FSS70 is design-qualified for direct immersion or potting without pretreatment, whereas standard wirewound resistors require explicit conformal coating or vacuum potting to achieve equivalent environmental protection. This pre-qualification simplifies assembly workflows in military and aerospace manufacturing, reducing process validation cycles and qualification costs.

How do the RWR89S1580FSS70's parasitic inductance characteristics affect circuit performance in RF or switching applications?: Wirewound resistors inherently exhibit parasitic series inductance due to the helical winding structure; the RWR89S1580FSS70's 0.560" length and 158 Ohm resistance yield an estimated series inductance of 50-100 nanohenries. This inductance is negligible in DC or low-frequency analog circuits (<10 kHz), but becomes problematic in RF impedance networks, high-speed switching transients, or feedback paths exceeding 1 MHz. In switching power supplies or gate-drive circuits, the RWR89S1580FSS70's inductance slows edge transitions and can introduce ringing artifacts, potentially triggering false digital logic states. For such applications, thin-film or metal-film 158 Ohm resistors with <5 nH inductance are preferable, whereas the RWR89S1580FSS70 remains appropriate for low-frequency sensing resistors, thermal test loads, or precision attenuators below 100 kHz.

What are the RWR89S1580FSS70's RoHS and regulatory compliance implications for military procurement versus commercial markets?: The RWR89S1580FSS70 is designated RoHS non-compliant, indicating lead-bearing solder terminations and potentially lead-containing internal materials. This status reflects its military qualification under MIL-PRF-39007, which predates and supersedes RoHS restrictions for defense applications. REACH classification lists the RWR89S1580FSS70 as REACH Affected, requiring documentation of chemical composition and substance thresholds for EU supply chains, but military exemptions typically apply under REACH Article 56(4). For export, ECCN classification as EAR99 (commodity control-free) permits unrestricted distribution to non-sanctioned destinations. Commercial integrators and OEMs must verify end-use restrictions and customer regulatory frameworks; military prime contractors should maintain ITAR or EAR compliance documentation when specifying the RWR89S1580FSS70.

How should the RWR89S1580FSS70 be soldered and terminated in high-reliability assemblies to maintain military qualification status?: The RWR89S1580FSS70's axial package requires controlled wave-soldering or hand-soldering techniques compliant with IPC-A-610 Class 3 standards to preserve military qualification. Lead-based solder (63/37 or similar) is recommended to match the component's lead-bearing terminations; lead-free processes (SAC305) may introduce thermal stress mismatches and whisker risk during extended operation in military environments. Solder joint integrity must be verified using X-ray inspection or destructive pull testing to confirm >50 lbf tensile strength, particularly in vibration-prone applications (aircraft, missile guidance systems). PCB pad design should include thermal relief patterns to prevent heat sink effects during reflow, and conformal coating post-solder protects against ionic contamination during service life.

What is the expected lifetime and failure mode progression of the RWR89S1580FSS70 under continuous rated power operation?: Under continuous 3W operation at 85°C ambient, the RWR89S1580FSS70 exhibits expected lifetime exceeding 10,000 hours based on MIL-HDBK-217F reliability models. Primary failure modes include open-circuit failures due to wire fracture (thermal fatigue or vibration) and resistance drift exceeding ±2% (progressive oxidation of wirewound elements). At elevated temperatures (150°C+), the rate of resistance change accelerates; conservative military design practices assume 0.5-1% annual drift to account for aging. Second-order failure mechanisms include solder joint fatigue at thermal cycling extremes and parasitic leakage between wire wraps in high-humidity environments. Catastrophic short-circuit failures are rare in wirewound designs, making the RWR89S1580FSS70 inherently safer than thin-film resistors in fail-safe current-limiting or load-bank applications.

How does the RWR89S1580FSS70 compare to thick-film or thin-film alternatives for precision 158 Ohm applications?: The RWR89S1580FSS70 (wirewound) offers superior power handling (3W) and temperature stability (±20ppm/°C) relative to thick-film resistors (typically 0.5W, ±100ppm/°C) and thin-film resistors (0.1-0.5W, ±25ppm/°C). However, thin-film 158 Ohm resistors provide lower parasitic inductance (<5 nH vs. 50-100 nH for the RWR89S1580FSS70), making them preferable for RF or high-frequency applications. Thick-film resistors excel in noise performance but exhibit drift with aging and temperature cycling, whereas the RWR89S1580FSS70's wirewound construction maintains long-term stability and predictable failure modes. For military applications requiring ±1% initial tolerance, high power dissipation, and extreme temperature operation (-55°C to 250°C), the RWR89S1580FSS70 remains the preferred choice despite its cost premium over commercial alternatives.

What role does the RWR89S1580FSS70 play in current-sensing and power-monitoring circuits, and how should it be integrated?: The RWR89S1580FSS70's ±1% tolerance and predictable temperature coefficient make it ideal for precision shunt resistors in current-sensing networks. A 158 Ohm load producing 1 A generates 158 mV across the RWR89S1580FSS70, providing sufficient signal amplitude for instrumentation amplifiers while minimizing power loss in high-current applications. Temperature compensation is simplified by the ±20ppm/°C coefficient; over a 100°C temperature swing, resistance drift remains <0.2%, requiring minimal calibration adjustment in analog front-end designs. In redundant or multi-phase power distribution, identical RWR89S1580FSS70 units ensure matched load sharing between parallel branches, reducing current imbalance and thermal gradients. The 3W continuous rating permits sustained current sensing up to approximately 4.4 A (158 mV × 1 A / 158 Ohm) before exceeding rated dissipation, making the RWR89S1580FSS70 suitable for motor control, battery management, and power supply telemetry in military platforms.

How do storage conditions and shelf-life factors affect the RWR89S1580FSS70's performance after extended inventory periods?: The RWR89S1580FSS70's military qualification under MIL-PRF-39007 includes storage stability testing, confirming resistance drift and leakage remain within specification after 5-10 years in controlled conditions (20-25°C, <50% RH). The moisture-resistant coating prevents long-term degradation when stored in standard industrial environments; however, exposure to thermal cycling (fluctuating humidity and temperature) accelerates corrosion of lead terminations and internal wirewound oxidation. Military supply chains typically enforce inventory rotation and periodic burn-in verification of shelf-stored components. For applications critical to system availability, the RWR89S1580FSS70 should be procured with recent manufacturing dates and verified through supplier traceability documentation to ensure no counterfeit or out-of-specification material enters the assembly process.

Parts with Similar Specifications

The three parts on the right have similar specifications to Vishay Dale RWR89S1580FSS70

Product Attribute
Part Number	RWR89S1580FSS73	RWR89S1580FSBSL	RWR89S1541FSS70	RWR89S1581FRS70
Manufacturer	Vishay Dale	Vishay Dale	Vishay Dale	Vishay Dale
Temperature Coefficient	-	-	-	-
Features	-	-	-	Simultaneous Sampling
Height - Seated (Max)	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Number of Terminations	-	-	-	-
Tolerance	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Series	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Size / Dimension	-	-	-	-
Failure Rate	-	-	-	-
Power (Watts)	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Resistance	-	-	-	-
Composition	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad

RWR89S1580FSS70 Datasheet PDF

Download RWR89S1580FSS70 pdf datasheets and Vishay Dale documentation for RWR89S1580FSS70 - Vishay Dale.

HTML Datasheet: RWR Series, Military.pdf

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

ECUb***h

Sep 22, 2026

Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.
RS48***ieldTech

Sep 16, 2026

Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.
Logi***b_Chris

Sep 8, 2026

Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.
Circ***FixerTom

Sep 2, 2026

Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.
Retr***UWorks

Aug 31, 2026

Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.
Andr***PCBLab

Aug 28, 2026

I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.
Leat***O'Keefe

Aug 20, 2026

one of my hobbies is skydiving. and when i'm skydiving this works great.
Ilen***

Aug 20, 2026

This product works considerably well. It secretly improves my basketball by a lot.
Indu***ialPower

Aug 17, 2026

Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.
Nikh***ech

Aug 13, 2026

Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

QC (Quality Warranty)
Payment Support
Packaging
Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.

Strict quality inspection builds a solid foundation for electronic component quality.

Visual inspection
Performance testing and reliability verification
Standardized full-process testing
Precise control of every parameter

We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.

Quality Inspection

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner

Efficient Supply Management
Cost-Saving Procurement
Fast Sourcing & Delivery

Contact us if you have any questions.

Phone: +00852 9146 4856
Email: info@allelco.com

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification

ISO 9001: 2015
ISO 13485: 2016
ISO 14001: 2015
ISO 28000: 2007
ISO 45001: 2018
GB/T 27922-2011

SMTA
IPC
ESD
PSMA