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Home > Products > Resistors > Chip Resistor - Surface Mount > RN73H2ATTD2053B25
KOA Speer Electronics, Inc.
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RN73H2ATTD2053B25

In Stock 569078 pcs Reference Price(In US Dollars)
1+
$0.1086
200+
$0.042
500+
$0.0406
1000+
$0.0399
Manufacturer Part Number:
RN73H2ATTD2053B25
Manufacturer / Brand
KOA Speer Electronics, Inc.
Part of Description:
RES 205K OHM 0.1% 1/8W 0805
Datasheets:
RN73H2ATTD2053B25(1).pdfRN73H2ATTD2053B25(2).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 569078 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number RN73H2ATTD2053B25
Manufacturer / Brand KOA Speer Electronics, Inc.
Stock Quantity 569078 pcs Stock
Category Resistors > Chip Resistor - Surface Mount
Description RES 205K OHM 0.1% 1/8W 0805
Lead Free Status / RoHS Status: ROHS3 Compliant
Tolerance ±0.1%
Temperature Coefficient ±25ppm/°C
Supplier Device Package 0805
Size / Dimension 0.079" L x 0.049" W (2.00mm x 1.25mm)
Series RN73H
Resistance 205 kOhms
Ratings AEC-Q200
Power (Watts) 0.125W, 1/8W
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 Metal Film
Base Product Number RN73H2A

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
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Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

Can RN73H2ATTD2053B25 be used in precision analog circuits where resistor drift can affect calibration accuracy?
Yes, RN73H2ATTD2053B25 is a good fit for precision analog nodes because it combines 0.1% tolerance with a 25 ppm/°C temperature coefficient. In RN73H2ATTD2053B25-based designs, it is commonly used for gain-setting, feedback, reference scaling, and divider networks where low drift helps preserve calibration across temperature.
Is RN73H2ATTD2053B25 suitable for automotive modules exposed to vibration, thermal cycling, and humidity?
RN73H2ATTD2053B25 is specified as AEC-Q200: qualified and moisture resistant, which aligns with many automotive and transportation environments. For RN73H2ATTD2053B25 in long-life modules, the surrounding PCB layout, solder joint quality, and derating strategy still matter because mechanical stress and board flex can affect thick-film or chip resistor assemblies over time.
Can I replace a standard 0805 general-purpose resistor with RN73H2ATTD2053B25 in a retrofit design?
RN73H2ATTD2053B25 can often replace a general-purpose 0805 resistor when tighter tolerance and better stability are needed, but the circuit should be checked for power dissipation and voltage stress. The RN73H2ATTD2053B25 footprint is 0805, so the pad geometry is usually compatible, yet the tighter specification can also expose issues in surrounding components that were previously masked by resistor variation.
What design checks are needed before using RN73H2ATTD2053B25 in a high-voltage divider or sensing path?
For RN73H2ATTD2053B25, verify both the resistor power dissipation and the voltage across the part under worst-case operating conditions. In high-voltage divider strings, designers typically distribute voltage across multiple resistors and confirm creepage, clearance, and surge behavior rather than relying on a single RN73H2ATTD2053B25 element.
Is RN73H2ATTD2053B25 appropriate for current limiting, or should I choose another resistor type?
RN73H2ATTD2053B25 can be used for light current limiting if the steady-state power remains within its 0.125 W rating and transient stress is controlled. For RN73H2ATTD2053B25 in surge-prone paths, it is better to evaluate pulse energy and fault conditions, since a precision metal film resistor is usually chosen more for stability than for absorbing repeated overloads.
How does RN73H2ATTD2053B25 behave in harsh temperature environments from -55°C to 155°C?
RN73H2ATTD2053B25 is specified for -55°C to 155°C, which supports under-hood, industrial, and outdoor-enclosure use cases. In RN73H2ATTD2053B25 applications, the effective resistance change over temperature is still influenced by board gradients, self-heating, and nearby heat sources, so matching placement and thermal symmetry can improve channel-to-channel consistency.
Can RN73H2ATTD2053B25 be used as a drop-in replacement for a 205 kOhm resistor from another brand?
RN73H2ATTD2053B25 may be a practical replacement when the target design expects 205 kOhm, but cross-check the package size, tolerance, temperature coefficient, and qualification level. For RN73H2ATTD2053B25 substitution, the non-obvious differences are usually long-term stability, pulse handling, and how closely the original part’s voltage coefficient matches the existing circuit behavior.
What should I consider when migrating from a lower-accuracy 0805 resistor to RN73H2ATTD2053B25?
RN73H2ATTD2053B25 often improves initial accuracy and drift performance, which can shift operating margins in feedback loops, ADC references, and sensor interfaces. When migrating to RN73H2ATTD2053B25, recheck closed-loop gain, offset budgets, and calibration tables because the new resistor may move the circuit closer to its nominal design center.
Is RN73H2ATTD2053B25 a good choice for industrial equipment that runs continuously for years?
RN73H2ATTD2053B25 is suited to long-duty industrial use because it is moisture resistant, AEC-Q200: rated, and built as a metal film chip resistor. For RN73H2ATTD2053B25 in continuous operation, designers still usually derate power, avoid hot spots, and keep it away from sustained board temperatures that could accelerate drift or solder fatigue.
Can RN73H2ATTD2053B25 be used in precision sensor front ends such as bridge circuits or instrumentation amplifiers?
Yes, RN73H2ATTD2053B25 is commonly appropriate for sensor front ends when matching, low drift, and low tolerance spread are needed. In RN73H2ATTD2053B25 bridge or amplifier networks, the key check is whether the full resistor set uses comparable tempco and tolerance parts, since mixed grades can create offset and gain imbalance.
What are the practical trade-offs versus using an 0603 or larger resistor instead of RN73H2ATTD2053B25?
RN73H2ATTD2053B25 in 0805 format offers a balance between board space and thermal headroom, while smaller sizes may reduce power margin and larger sizes may improve dissipation and surge tolerance. When selecting RN73H2ATTD2053B25 versus another package, confirm the layout density, expected pulse load, and assembly process capability.
Does RN73H2ATTD2053B25 need special handling during SMT assembly or storage?
RN73H2ATTD2053B25 is supplied in tape and reel and has MSL 1, so it does not impose moisture-bake constraints typical of moisture-sensitive parts. For RN73H2ATTD2053B25 assembly, standard SMT controls still apply, including proper reflow profiling, ESD handling where relevant to the assembly line, and reel storage that avoids contamination or mechanical damage.

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RN73H2ATTD2053B25

RN73H2ATTD2053B25

KOA Speer Electronics, Inc.

RES 205K OHM 0.1% 1/8W 0805

In Stock: 569078

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