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HomeProductsResistorsChip Resistor - Surface MountRN73R2ATTD1650A25
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RN73R2ATTD1650A25 - KOA Speer Electronics, Inc.

Manufacturer Part Number
RN73R2ATTD1650A25
Manufacturer
KOA Speer Electronics, Inc.
Allelco Part Number
98D-RN73R2ATTD1650A25
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
32,210 pcs available, New & Original
Parts Description
RES 165 OHM 0.05% 1/8W 0805
Package
0805
Data sheet
RN73R2ATTD1650A.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 32210
  • Unit Price: $0.237
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.237 $0.24
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

RN73R2ATTD1650A25 Tech Specifications
KOA Speer Electronics, Inc. - RN73R2ATTD1650A25 technical specifications, attributes, parameters and parts with similar specifications to KOA Speer Electronics, Inc. - RN73R2ATTD1650A25

Product Attribute Attribute Value
Manufacturer KOA Speer Electronics, Inc.
Tolerance ±0.05%
Temperature Coefficient ±25ppm/°C
Supplier Device Package 0805
Size / Dimension 0.079" L x 0.049" W (2.00mm x 1.25mm)
Series RN73R
Resistance 165 Ohms
Ratings AEC-Q200
Power (Watts) 0.125W, 1/8W
Product Attribute Attribute Value
Package / Case 0805 (2012 Metric)
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 155°C
Number of Terminations 2
Height - Seated (Max) 0.024" (0.60mm)
Features Automotive AEC-Q200, Moisture Resistant
Failure Rate -
Composition Thin Film
Base Product Number RN73R2A

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8533.21.0030

Frequently Asked Questions(FAQ)

What makes the RN73R2ATTD1650A25 suitable for automotive applications compared to standard 165 ohm resistors?
The RN73R2ATTD1650A25 is qualified to AEC-Q200 automotive standards and features thin-film construction with ±0.05% tolerance, enabling reliable performance in vehicle electronics where temperature cycling and vibration stress component stability. The ±25ppm/°C temperature coefficient ensures the 165 ohm resistance value remains predictable across the -55°C to 155°C operating range typical in underhood and cabin environments. This combination of tight tolerance and low temperature drift reduces design margin requirements compared to standard film resistors, which typically offer ±0.1% tolerance or higher temperature coefficients.
How does the 0.05% tolerance of the RN73R2ATTD1650A25 affect circuit performance in precision analog signal conditioning?
In signal conditioning circuits, the RN73R2ATTD1650A25 delivers resistance accuracy that minimizes errors in ratiometric measurements and transducer linearization. For a 165 ohm reference in a sensor interface network, ±0.05% tolerance translates to a maximum deviation of ±0.0825 ohms, compared to ±0.165 ohms with ±0.1% film resistors. This precision is particularly valuable in current-sense applications, precision attenuators, and analog filter networks where cumulative tolerance stack-up from multiple resistor pairs (such as gain-setting networks) would otherwise introduce uncompensated gain or frequency response errors. The thin-film construction of the RN73R2ATTD1650A25 also contributes lower noise characteristics than carbon-film alternatives, improving signal-to-noise ratio in low-level measurement circuits.
Is the RN73R2ATTD1650A25 suitable for high-frequency PCB layouts, and what parasitic effects should be considered?
The RN73R2ATTD1650A25 in 0805 (2.00mm × 1.25mm) surface-mount format exhibits minimal parasitic inductance compared to through-hole alternatives, making it suitable for layouts extending into the low-megahertz range. At typical high-frequency operating points (10–100 MHz), the dominant parasitic effect is lead inductance rather than resistance; the RN73R2ATTD1650A25 thin-film construction contributes negligible distributed resistance across the chip structure. For circuits operating above 500 MHz or in impedance-critical RF applications, layout via placement and trace routing become more significant than the RN73R2ATTD1650A25 component selection itself. In mixed-signal automotive designs with CAN, LIN, and other serial interfaces, the 165 ohm characteristic impedance of the RN73R2ATTD1650A25 may be leveraged as a termination element, though proper PCB transmission-line geometry should be verified independently.
What is the functional difference between the RN73R2ATTD1650A25 and its substitute RN732ATTD1650A25?
The RN732ATTD1650A25 represents an alternative offering within the RN73R thin-film resistor family that may differ in packaging configuration, manufacturing date code, or supply chain availability rather than core electrical performance. Both devices share the 165 ohm resistance, ±0.05% tolerance, and automotive AEC-Q200 qualification. When evaluating substitution, verify lead-free (RoHS) compatibility, moisture sensitivity (both are MSL 1), and thermal performance under your specific power dissipation profile. The RN73R2ATTD1650A25 specifications should be cross-referenced with distributor documentation for the RN732ATTD1650A25 to confirm identical electrical behavior before design-in substitution, as minor construction variations between part numbers can affect long-term reliability in extreme automotive environments.
How does moisture sensitivity level 1 (MSL 1) of the RN73R2ATTD1650A25 simplify production and storage workflows?
MSL 1 classification for the RN73R2ATTD1650A25 indicates unlimited shelf life and no mandatory baking requirements before reflow soldering, eliminating a common manufacturing bottleneck for standard film resistors (typically MSL 2 or higher). The moisture-resistant construction of the RN73R2ATTD1650A25 allows direct placement from dry-pack tape into the reflow process without time-of-flight constraints or humidity chambers. This simplification reduces logistics complexity in contract manufacturing environments and enables just-in-time inventory practices. For automotive Tier-1 suppliers managing high-volume production lines, the RN73R2ATTD1650A25 MSL 1 rating translates to lower defect rates associated with moisture absorption and delamination compared to components requiring pre-reflow conditioning.
What thermal management considerations apply when the RN73R2ATTD1650A25 is used in current-sense networks dissipating continuous power near the 0.125W rating?
The RN73R2ATTD1650A25 rated at 0.125W (1/8W) in a 0805 package will experience self-heating when carrying sustained current; at maximum power, internal temperature rise depends on ambient conditions and PCB copper area. For a 165 ohm RN73R2ATTD1650A25 dissipating the full 0.125W, the DC current approaches 27.6 mA (calculated from P = I²R). This current level is typical in automotive current-sense applications (battery monitoring, load distribution), where the RN73R2ATTD1650A25 is often paired with a shunt in a voltage-divider or precision measurement network. Adequate PCB copper planes and thermal vias beneath the RN73R2ATTD1650A25 will reduce junction temperature rise and maintain the ±25ppm/°C temperature coefficient performance within design specifications. Operating the RN73R2ATTD1650A25 continuously at elevated power in confined PCB spaces (such as under shielding cans or heat-generating components) may require thermal simulation to verify temperature margins.
How does the ±25ppm/°C temperature coefficient of the RN73R2ATTD1650A25 compare to metal-oxide and carbon-film alternatives in temperature-compensated circuits?
The RN73R2ATTD1650A25 thin-film construction delivers ±25ppm/°C temperature coefficient, significantly lower than typical carbon-film resistors (±100 to ±500ppm/°C range) but comparable to precision metal-film standards. Over the RN73R2ATTD1650A25 operating range of -55°C to 155°C (210°C span), the total resistance drift is approximately ±0.525%, providing stable ratiometric behavior in temperature-dependent circuits. In comparison, a carbon-film 165 ohm resistor with +200ppm/°C would drift ±2.1% across the same temperature range, requiring active compensation or design margin in precision networks. The RN73R2ATTD1650A25 performance is particularly advantageous in automotive sensor signal conditioning, where ambient temperatures vary from below freezing to elevated engine compartment conditions; the reduced drift minimizes gain and offset errors in instrumentation amplifier configurations without requiring external trimming or software correction.
Does the RN73R2ATTD1650A25 0805 package size create routing constraints in dense automotive ECU layouts?
The RN73R2ATTD1650A25 physical dimensions (2.00mm length × 1.25mm width, 0.60mm seated height) are standard for 0805 surface-mount components and do not impose unusual routing challenges in modern automotive PCB designs. Contemporary ECU layouts routinely accommodate 0805 passives in signal chains, power distribution, and protection networks. However, when the RN73R2ATTD1650A25 is positioned in high-current or high-frequency signal paths, via placement and trace separation from switching nodes become significant. The compact RN73R2ATTD1650A25 footprint actually facilitates dense component placement in confined underhood environments, where space efficiency is often more critical than in consumer electronics. For designs targeting future miniaturization, the RN73R2ATTD1650A25 0805 size establishes a baseline; migration to 0603 or 0402 packages would require re-evaluation of power dissipation and thermal performance rather than electrical tolerance or coefficient characteristics.
What role does RoHS3 compliance of the RN73R2ATTD1650A25 play in supply chain qualification for European automotive markets?
RoHS3 compliance of the RN73R2ATTD1650A25 confirms absence of restricted substances (lead, cadmium, mercury, hexavalent chromium, and specified brominated flame retardants) required for legal sale in European Union automotive applications and end-of-life recycling scenarios. The RN73R2ATTD1650A25 RoHS3 certification simplifies Tier-1 supplier compliance documentation and eliminates potential component-level rejections during design reviews for regulated markets. While REACH status (unaffected) indicates the RN73R2ATTD1650A25 does not trigger substance disclosure obligations beyond RoHS scope, the combination of both certifications provides a complete environmental compliance profile for OEM purchasing requirements. Substituting non-RoHS components for the RN73R2ATTD1650A25 in existing designs could trigger supply chain re-qualification and delay production ramp, particularly for long-lifecycle automotive programs.
How should the RN73R2ATTD1650A25 be specified in design documentation to ensure consistent procurement across manufacturing sites?
The complete manufacturer part number RN73R2ATTD1650A25 must appear in bill-of-materials (BOM) and schematic documentation to ensure distributor and contract manufacturer systems match the intended thin-film, ±0.05% tolerance, AEC-Q200 qualified component. Using shortened references (e.g., 'RN73R 165Ω') risks procurement of substitute series with different tolerance or temperature coefficient characteristics. The RN73R2ATTD1650A25 base product number (RN73R2A) should be cross-referenced in design change notices when evaluating ECN (Engineering Change Order) substitutions or obsolescence mitigation; alternate part numbers within the RN73R family may carry identical functional specifications but different packaging or qualification markings. Including the RN73R2ATTD1650A25 tape & reel packaging specification in procurement documents ensures correct material handling and prevents accidental mixing with alternative RoHS lead-times or date codes that might affect traceability in safety-critical automotive applications.

Parts with Similar Specifications

The three parts on the right have similar specifications to KOA Speer Electronics, Inc. RN73R2ATTD1650A25

Product Attribute RN73R2ATTD1650A05 RN73R2ATTD1650B25 RN73R2ATTD1650C25 RN73R2ATTD1650A10
Part Number RN73R2ATTD1650A05 RN73R2ATTD1650B25 RN73R2ATTD1650C25 RN73R2ATTD1650A10
Manufacturer KOA Speer Electronics, Inc. KOA Speer Electronics, Inc. KOA Speer Electronics, Inc. KOA Speer Electronics, Inc.
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Tolerance - - - -
Failure Rate - - - -
Ratings - - - -
Features - - - Simultaneous Sampling
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Resistance - - - -
Size / Dimension - - - -
Power (Watts) - - - -
Height - Seated (Max) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Number of Terminations - - - -
Composition - - - -
Temperature Coefficient - - - -
Series - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad

RN73R2ATTD1650A25 Datasheet PDF

Download RN73R2ATTD1650A25 pdf datasheets and KOA Speer Electronics, Inc. documentation for RN73R2ATTD1650A25 - KOA Speer Electronics, Inc..

Datasheets
RN73R Type Datasheet.pdf Passive Components Selection Guide.pdf

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.

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
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.
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RN73R2ATTD1650A25 Image

RN73R2ATTD1650A25

KOA Speer Electronics, Inc.
98D-RN73R2ATTD1650A25

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