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Home > Products > Resistors > Chip Resistor - Surface Mount > RN732ATTD2580C25
KOA Speer Electronics, Inc.
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RN732ATTD2580C25

In Stock 734451 pcs Reference Price(In US Dollars)
1+
$0.0873
200+
$0.0338
500+
$0.0326
1000+
$0.032
Manufacturer Part Number:
RN732ATTD2580C25
Manufacturer / Brand
KOA Speer Electronics, Inc.
Part of Description:
RES 258 OHM 0.25% 1/10W 0805
Datasheets:
RN732ATTD2580C25(1).pdfRN732ATTD2580C25(2).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 734451 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number RN732ATTD2580C25
Manufacturer / Brand KOA Speer Electronics, Inc.
Stock Quantity 734451 pcs Stock
Category Resistors > Chip Resistor - Surface Mount
Description RES 258 OHM 0.25% 1/10W 0805
Lead Free Status / RoHS Status: ROHS3 Compliant
Tolerance ±0.25%
Temperature Coefficient ±25ppm/°C
Supplier Device Package 0805
Size / Dimension 0.079" L x 0.049" W (2.00mm x 1.25mm)
Series RN73
Resistance 258 Ohms
Power (Watts) 0.1W, 1/10W
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 Moisture Resistant
Composition Thin Film
Base Product Number RN732A

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
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
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

When migrating a design from a standard thick-film 0805 resistor to the RN732ATTD2580C25 thin-film variant, what thermal stability improvements should I anticipate?
Moving to the RN732ATTD2580C25 thin-film construction provides a Temperature Coefficient of Resistance (TCR) of ±25ppm/°C, significantly outperforming standard thick-film resistors which typically range from 100ppm/°C to 200ppm/°C. In precision circuits such as voltage dividers or instrumentation amplifiers, this lower TCR minimizes resistance drift caused by self-heating or ambient temperature fluctuations, ensuring the RN732ATTD2580C25 maintains its 0.25% tolerance across the operating range of -55°C to 155°C.
Can the RN732ATTD2580C25 be safely used in high-humidity industrial environments without specialized conformal coating?
The RN732ATTD2580C25 is specifically engineered with moisture-resistant materials inherent to the RN73 series. While many thin-film components are susceptible to electrolytic corrosion in humid conditions, the protective layer on the RN732ATTD2580C25 offers robust protection against atmospheric moisture. However, for long-term reliability in condensing environments, ensure the PCB assembly process includes adequate cleaning to remove flux residues that could otherwise compromise the moisture-resistant characteristics of the resistor package.
Is the RN732ATTD2580C25 pin-compatible with the RN73R2ATTD2580C25, and what are the functional differences?
The RN732ATTD2580C25 and the RN73R2ATTD2580C25 share the same 0805 footprint and basic electrical specifications, making them direct drop-in replacements for most board layouts. The primary technical distinction lies in the 'R' series designation, which indicates an enhanced moisture-resistant thin-film process compared to the standard RN73 series. If your application involves extreme environmental exposure or rigorous cyclic humidity testing, the RN73R variant may provide additional longevity, though the RN732ATTD2580C25 remains fully compliant for standard industrial precision requirements.
What are the primary de-rating considerations when operating the RN732ATTD2580C25 at ambient temperatures exceeding 85°C?
While the RN732ATTD2580C25 is rated for a maximum of 0.1W at 70°C or 85°C depending on specific datasheet curves, designers must apply a linear power de-rating factor as temperatures approach the 155°C maximum operating limit. To maintain the 0.25% precision and prevent accelerated degradation of the thin-film layer, the power dissipation across the RN732ATTD2580C25 should be reduced as the junction temperature increases, ensuring the component remains within its safe operating area (SOA) in high-density enclosures.
Why would an engineer select the 258 Ohm value of the RN732ATTD2580C25 over a more common E96 series value?
The 258 Ohm resistance value of the RN732ATTD2580C25 is often selected for specific gain-setting configurations in operational amplifier circuits or precision current-sensing loops where standard E96 values (such as 255 Ohms or 261 Ohms) do not meet the precise voltage output requirements. Utilizing the RN732ATTD2580C25 allows designers to hit precise transfer function targets without introducing additional error budgets associated with series-parallel combinations or less accurate trimming resistors.
Does the thin-film structure of the RN732ATTD2580C25 introduce parasitic inductance concerns in high-frequency applications?
The RN732ATTD2580C25 utilizes a high-quality thin-film resistive element, which generally offers superior high-frequency performance compared to spiral-cut thick-film resistors. Due to its non-helical, flat geometry, the RN732ATTD2580C25 exhibits lower equivalent series inductance (ESL). This makes it highly suitable for high-speed signal conditioning or RF signal termination where minimal phase shift and stable impedance are required up to the megahertz range.

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RN732ATTD2580C25

RN732ATTD2580C25

KOA Speer Electronics, Inc.

RES 258 OHM 0.25% 1/10W 0805

In Stock: 734451

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