Datasheet > USR2-T221

USR2-T221

更新时间： 2024-11-06 06:02:47

品牌	Logo	应用领域
RIEDON		/
页数	文件大小	规格书
3页	354K
描述
Precision Foil Resistors

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中文翻译

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数据手册

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USR2-T221 数据手册

USR UNR 2-T220 / T220B / T221

USS UNS 2-T220

PrecisionꢀFoilꢀResistors

• Resistances from 0.5Ohm to 150kOhms

• Power Rating to 10Watt

• Resistance Tolerances to ±0.01%

• TCR to ±3ppm/K

• Load Stability to 0.01%

• TO-220 Housing

• Convenient SMD D2Pak Available

SPECIFICATIONS

Type

USR / USS

UNR /UNS

ResistanceꢀRange

0.5ꢀOhmsꢀtoꢀ150ꢀkOhms

0.5ꢀOhmsꢀtoꢀ5ꢀkOhms

Powerꢀratingꢀ

ꢀ

freeꢀairꢀ70°Cꢀ(R<50R0)

1.5W

1.0W

10W

1.5W

1.0W

15W

10W

freeꢀairꢀ70°Cꢀ(R>50R0)

withꢀheatsinkꢀ(R<50R0)

withꢀheatsinkꢀ(R>50R0)

ThermalꢀResistanceꢀRthj-c

ꢀ

R<50R0

R>50R0

10.8ꢀK/W

18.8ꢀK/W

6.8ꢀK/W

10.8ꢀK/W

Tolerances

ꢀ

fromꢀ0.5ꢀOhms

0.1%ꢀ/ꢀ0.25%ꢀ/ꢀ0.5%ꢀ/ꢀ1%

0.05%ꢀ/ꢀ0.1%ꢀ/ꢀ0.25%ꢀ/ꢀ0.5%ꢀ/ꢀ1%

0.02%ꢀ/ꢀ0.05%ꢀ/ꢀ0.1%ꢀ/ꢀ0.25%ꢀ/ꢀ0.5%ꢀ/ꢀ1%

0.01%ꢀ/ꢀ0.02%ꢀ/ꢀ0.05%ꢀ/ꢀ0.1%ꢀ/ꢀ0.25%ꢀ/ꢀ0.5%ꢀ/ꢀ1%

fromꢀ10.0ꢀOhms

fromꢀ25.0ꢀOhms

fromꢀ50.0ꢀOhms

Stability

0.01%

ShelfꢀLifeꢀStability

25ppm / ∆R after 1 year

50ppm / ∆R after 3 year

Temperature Coefﬁcient

max.ꢀ±5ppm/Kꢀ(-55ꢀtoꢀ155°C)

typ.ꢀ±3ppm/Kꢀ(-55ꢀtoꢀ125°C)

VoltageꢀProof

ThermalꢀEMF

OperatingꢀTemperatureꢀRange

ResistorꢀMaterial

Substrate

1ꢀkVDC

<ꢀ0.1µV/K

-55ꢀtoꢀ155°C

NiCr-Foil

Al₂O₃

AlN

Housing

Epoxyꢀ+ꢀCuꢀheatsinkꢀnickelꢀplated

ConnectorꢀMaterial

Terminals

Cuꢀtinned

Max.ꢀTorque

1.0ꢀNm

Notes

Speciallyꢀ designedꢀ forꢀ applicationsꢀ withꢀ fastꢀ

changingꢀelectricalꢀload

Ordering Information

PartꢀNumberꢀ-ꢀResistanceꢀ-ꢀContactꢀ-ꢀToleranceꢀ-ꢀTCR

UNRꢀ2-T220Bꢀ5.7kOhmsꢀCꢀ0.5%ꢀ3ppm

Riedon Inc.ꢀ

ꢀ

300ꢀCypressꢀAvenueꢀ

ꢀ

AlhambraꢀCAꢀ91801ꢀ

www.riedon.com

ꢀ(626)ꢀ284-9901ꢀ

ꢀ(626)ꢀ284-1704

Pageꢀ124

ꢀ

rev.ꢀ03/2006A

12 3

中文翻译

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与USR2-T221相关器件

型号	品牌	获取价格	描述	数据表
USR2-T2210.536OHMSC0.1%3PPM	VISHAY	获取价格	Fixed Resistor, Metal Foil, 15W, 0.536ohm, 1000V, 0.1% +/-Tol, -3,3ppm/Cel, 4016
USR2-T2210.536OHMSC1%3PPM	VISHAY	获取价格	Fixed Resistor, Metal Foil, 15W, 0.536ohm, 1000V, 1% +/-Tol, -3,3ppm/Cel, 4016
USR2-T2210.681OHMS0.1%3PPM	VISHAY	获取价格	Fixed Resistor, Metal Foil, 15W, 0.681ohm, 1000V, 0.1% +/-Tol, -3,3ppm/Cel, 4016
USR2-T2210.681OHMS0.25%3PPM	VISHAY	获取价格	Fixed Resistor, Metal Foil, 15W, 0.681ohm, 1000V, 0.25% +/-Tol, -3,3ppm/Cel, 4016
USR2-T2210.681OHMS0.5%3PPM	VISHAY	获取价格	Fixed Resistor, Metal Foil, 15W, 0.681ohm, 1000V, 0.5% +/-Tol, -3,3ppm/Cel, 4016
USR2-T2210.681OHMS1%3PPM	VISHAY	获取价格	Fixed Resistor, Metal Foil, 15W, 0.681ohm, 1000V, 1% +/-Tol, -3,3ppm/Cel, 4016
USR2-T2210.681OHMSC0.1%3PPM	VISHAY	获取价格	Fixed Resistor, Metal Foil, 15W, 0.681ohm, 1000V, 0.1% +/-Tol, -3,3ppm/Cel, 4016
USR2-T2210.681OHMSC0.25%3PPM	VISHAY	获取价格	Fixed Resistor, Metal Foil, 15W, 0.681ohm, 1000V, 0.25% +/-Tol, -3,3ppm/Cel, 4016
USR2-T2210.681OHMSC0.5%3PPM	VISHAY	获取价格	Fixed Resistor, Metal Foil, 15W, 0.681ohm, 1000V, 0.5% +/-Tol, -3,3ppm/Cel, 4016
USR2-T2210.681OHMSC1%3PPM	VISHAY	获取价格	Fixed Resistor, Metal Foil, 15W, 0.681ohm, 1000V, 1% +/-Tol, -3,3ppm/Cel, 4016

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