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Home Products Resistors Through Hole Resistors~~RNC55H3521BSRE6~~

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RNC55H3521BSRE6 - Vishay Dale

Name: Vishay Dale RNC55H3521BSRE6
Brand: Vishay Dale
SKU: RNC55H3521BSRE6
Price: 1.051 USD
Availability: InStock
Rating: 5 (1 reviews)

Manufacturer Part Number: RNC55H3521BSRE6

Manufacturer: Dale / Vishay

Allelco Part Number: 98D-RNC55H3521BSRE6

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 30,154 pcs available, New & Original

Parts Description: RES 3.52K OHM 1/8W .1% AXIAL

Package: Axial

Data sheet: RNC55H3521BSRE6.pdf

Datasheets
ERC (Military RNC/RNR) Series.pdf

RoHs Status

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Specifications

RNC55H3521BSRE6 Tech Specifications
Vishay Dale - RNC55H3521BSRE6 technical specifications, attributes, parameters and parts with similar specifications to Vishay Dale - RNC55H3521BSRE6

Product Attribute	Attribute Value
Manufacturer	Dale / Vishay
Tolerance	±0.1%
Temperature Coefficient	±50ppm/°C
Supplier Device Package	Axial
Size / Dimension	0.094' Dia x 0.250' L (2.39mm x 6.35mm)
Series	Military, MIL-PRF-55182/01, RNC55
Resistance	3.52 kOhms
Power (Watts)	0.125W, 1/8W
Package / Case	Axial

Product Attribute	Attribute Value
Package	Tape & Reel (TR)
Operating Temperature	-65°C ~ 175°C
Number of Terminations	2
Height - Seated (Max)	-
Features	Military, Moisture Resistant, Weldable
Failure Rate	S (0.001%)
Composition	Metal Film
Base Product Number	RNC55

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	Not Applicable
ECCN	EAR99
HTSUS	8533.21.0090

Frequently Asked Questions(FAQ)

What makes the RNC55H3521BSRE6 suitable for precision analog circuits where tolerance matters?: The RNC55H3521BSRE6 achieves ±0.1% tolerance through metal film construction, which maintains stable resistance across manufacturing batches. This precision level is necessary in applications like precision instrumentation, sensor signal conditioning, and feedback networks where ±1% or ±5% tolerances introduce unacceptable calibration drift. The RNC55H3521BSRE6's tight tolerance reduces the need for post-assembly trimming or selection binning, lowering production complexity when 3.52 kOhm values are specified in gain stages or reference dividers.

How does the RNC55H3521BSRE6 perform in high-temperature aerospace and military environments?: The RNC55H3521BSRE6 operates across -65°C to +175°C, covering both cryogenic aerospace scenarios and high-temperature downhole or engine-bay applications. The ±50 ppm/°C temperature coefficient means the 3.52 kOhm value drifts approximately ±0.44% across the full temperature range, which remains acceptable for most analog circuits but requires consideration in precision DC measurement chains. The military MIL-PRF-55182/01 qualification and moisture-resistant construction ensure performance in unpressurized or high-humidity storage and operational environments where civilian resistors would degrade.

Why is the RNC55H3521BSRE6 weldable, and when does this matter in manufacturing?: Weldability of the RNC55H3521BSRE6 enables direct resistance welding to PCB land patterns or hybrid substrate conductors without solder reflow, which is critical in potted assemblies, high-vibration military systems, and environments where solder joint fatigue or thermal cycling could cause failures. The RNC55H3521BSRE6's axial leads accept ultrasonic or resistance welding processes, bypassing solder-related reliability concerns and enabling direct integration into hermetically sealed or potted modules where solder outgassing is prohibited.

How does the RNC55H3521BSRE6's 0.125W rating compare to standard 1/4W resistors for thermal design trade-offs?: The RNC55H3521BSRE6 dissipates 0.125W at rated conditions, requiring approximately 45mA at the 3.52 kOhm value before thermal limits are reached. This half-power compared to 1/4W alternatives means the RNC55H3521BSRE6 generates less board heat, reducing local temperature gradients and improving long-term reliability in dense analog circuits. However, circuits requiring sustained current above 45mA through the 3.52 kOhm element demand either parallel resistor arrays or larger power-rated components; designers cannot safely upgrade to RNC55H3521BSRE6 in existing 1/4W positions without recalculating power budgets.

Can the RNC55H3521BSRE6 be substituted into legacy designs originally specified with standard metal film resistors?: The RNC55H3521BSRE6's military qualification, tighter tolerance, and extended temperature range exceed civilian metal film specifications, making it a direct upgrade path from obsolete or long-lead commercial resistors. However, the RNC55H3521BSRE6 is RoHS non-compliant and affected by REACH restrictions, so substitution into new commercial designs or consumer products violates environmental regulations. Legacy aerospace or defense systems can substitute the RNC55H3521BSRE6 into 3.52 kOhm positions if the original design did not require RoHS compliance; thermal and mechanical fit remain unchanged due to identical axial form factor.

What is the practical moisture sensitivity of the RNC55H3521BSRE6, and does 'moisture resistant' eliminate the need for conformal coating?: The RNC55H3521BSRE6 carries no MSL rating because military metal film resistors are inherently resistant to moisture ingress through their construction, not through drying-time management like plastic passivated components. The RNC55H3521BSRE6 resists surface contamination and maintains resistance stability even when stored or operated in high-humidity conditions. However, moisture resistance does not eliminate electrical leakage across the board surface or corrosion of terminations; conformal coating remains beneficial in salt-fog or chemical environments, particularly for axial lead solder joints where creepage distances are limited.

How does the RNC55H3521BSRE6's failure rate specification affect MTBF calculations for long-life systems?: The RNC55H3521BSRE6 is rated at S-grade failure rate (0.001% per 1,000 hours), the most stringent military category. This translates to approximately 8,760,000 hours MTBF for a single RNC55H3521BSRE6 component under MIL-HDBK-217F conditions. In systems with multiple resistors, the 3.52 kOhm element contributes negligibly to overall failure rate, but S-grade certification assures that the RNC55H3521BSRE6 meets DoD reliability mandates without requiring accelerated life testing or additional design margin. This specification supports 20+ year mission life calculations in spacecraft and strategic systems.

What are the size and weight implications of the RNC55H3521BSRE6 compared to SMD alternatives?: The RNC55H3521BSRE6 measures 2.39mm diameter by 6.35mm length in axial form, occupying significantly more PCB real estate than 0603 or 0805 SMD packages with equivalent precision. However, the RNC55H3521BSRE6's through-hole mounting eliminates solder reflow equipment dependency and enables hand repair in field or repair-depot settings. Military systems prioritizing repairability, vibration robustness, and avoidance of SMD supply-chain bottlenecks choose the RNC55H3521BSRE6 despite size trade-offs; commercial high-volume designs typically migrate to SMD metal film equivalents when cost and space dominate over maintainability.

Why does the RNC55H3521BSRE6 require tape-and-reel packaging rather than bulk loose components?: Tape-and-reel packaging of the RNC55H3521BSRE6 ensures traceability, protects component leads from mechanical damage during storage and handling, and enables automated placement in military assembly environments where lot accountability and configuration control are mandatory. The RNC55H3521BSRE6 in tape format supports documented shelf life, first-article inspection, and lot segregation requirements that loose components cannot meet. Defense contractors require TR packaging to satisfy configuration management and supply-chain audits; civilian designers specifying the RNC55H3521BSRE6 benefit from the same traceability but at higher cost compared to bulk alternatives.

How does the RNC55H3521BSRE6's temperature coefficient impact precision DC measurement circuits?: At ±50 ppm/°C, the RNC55H3521BSRE6 contributes approximately ±0.088% resistance change per 10°C temperature swing, or ±0.44% across the full -65°C to +175°C operating range. In precision voltage dividers or transimpedance amplifier feedback networks, this drift directly translates to gain or reference accuracy error. A 3.52 kOhm feedback element in a photodiode amplifier will shift transconductance by ±0.44% if uncompensated, requiring either temperature-stabilized enclosures, dual-channel ratiometric designs using matched RNC55H3521BSRE6 pairs, or active trimming in precision data acquisition systems. Standard metal film resistors (±100 ppm/°C) would degrade by ±0.88% under identical conditions.

Is the RNC55H3521BSRE6 suitable for high-frequency or RF applications?: The RNC55H3521BSRE6 is not optimized for frequencies above a few megahertz. Axial metal film construction introduces parasitic inductance in lead geometry, causing impedance rise and potential resonance effects at VHF and higher bands. The RNC55H3521BSRE6 functions adequately as a termination or bias element in low-frequency analog systems below 1 MHz but should not be selected for RF filter tuning networks, impedance matching, or distributed-element circuits. Military designs requiring 3.52 kOhm precision resistors in RF signal paths typically use chip resistors with controlled inductance or thin-film arrays mounted in ground-plane-proximate positions rather than the RNC55H3521BSRE6 in axial form.

What is the expected shelf life of the RNC55H3521BSRE6 in military storage conditions?: The RNC55H3521BSRE6 exhibits indefinite shelf life under standard military storage (25°C, <40% RH) because metal film elements do not degrade chemically like carbon film or electrolytic components. Resistance drift during storage is negligible, and the RNC55H3521BSRE6 maintains ±0.1% tolerance specification across decades if environmental controls are maintained. However, solder corrosion on terminations and wire lead oxidation can occur in humid or corrosive storage; the RNC55H3521BSRE6 benefits from hermetic packaging or periodic environment chamber certification in military logistics. Typical military procurement assumes 10–20 year availability windows, during which the RNC55H3521BSRE6's resistance value remains stable and no active aging protocols are required.

How does the RNC55H3521BSRE6 compare to newer precision thin-film resistor technologies in terms of cost and performance?: The RNC55H3521BSRE6 represents established military metal film technology with proven reliability and full historical traceability, whereas modern thin-film resistors offer tighter tolerances (±0.05%), lower temperature coefficients (±25 ppm/°C), and superior high-frequency performance. However, thin-film alternatives typically require SMD packaging, introduce supply-chain constraints, and lack the decades of field-validated performance history that the RNC55H3521BSRE6 provides. Cost comparison favors the RNC55H3521BSRE6 in low-to-medium volume military production where established suppliers and documentation reduce procurement risk; high-volume commercial designs favor thin-film SMD equivalents despite initial technology investment. The RNC55H3521BSRE6 remains the conservative choice when performance margin and obsolescence risk must be minimized over multi-decade system lifespans.

Parts with Similar Specifications

The three parts on the right have similar specifications to Vishay Dale RNC55H3521BSRE6

Product Attribute
Part Number	RNC55H3521BSRE8	RNC55H3521BSR36	RNC55H3521BSRE5	RNC55H3521BSRE7
Manufacturer	Vishay Dale	Vishay Dale	Vishay Dale	Vishay Dale
Tolerance	-	-	-	-
Power (Watts)	-	-	-	-
Number of Terminations	-	-	-	-
Resistance	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Composition	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Features	-	-	-	Simultaneous Sampling
Height - Seated (Max)	-	-	-	-
Failure Rate	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Size / Dimension	-	-	-	-
Temperature Coefficient	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Series	-	-	-	-

RNC55H3521BSRE6 Datasheet PDF

Download RNC55H3521BSRE6 pdf datasheets and Vishay Dale documentation for RNC55H3521BSRE6 - Vishay Dale.

Datasheets: ERC (Military RNC/RNR) Series.pdf

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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

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