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USR4-4020: 产品描述highest stability nearly temperature independent; 文件大小76KB，共2页; 制造商Willow Technologies Ltd; 官网地址https://www.willow.co.uk/

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USR4-4020概述

highest stability nearly temperature independent

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USR UNR 4-4020

•

Nearly Temperature

Independent

•

Minimum Tolerance

•

Low Capacity and

Inductance

•

Customized Resistor Values

•

Highest Stability

SPECIFICATIONS

ELEKTRICAL

Resistance Range

USR 4-4020

UNR 4-4020

note

Power Rating

0R05 ... 500R

other resistance values upon request /

power rating depending on resistor value

2.5 W (70°C) without heatsink

30 W*

50 W*

* with heatsink

3.6 K/W

2.2 K/W

Thermal Resistance Rthj-c :

Tolerances

from 0R05

from 10R

from 50R

Stability

0.1%, 0.25%, 0.5%, 1%

0.05%, 0.1%, 0.25%, 0.5%, 1%

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

0.01%

max. ±5 ppm/K (-55...155)°C

typ. ±3 ppm/K (-55...125)°C

upon request ±1 ppm/K (0...60)°C

750 VDC

15 A

<1 µV/K

Temperature Coefficient :

Voltage Proof

Max. Current

Thermal EMF

15 A

ENVIRONMENTAL

Operating Temperature Range

-55°C...155°C

NiCr-Foil

Substrate

Housing

Epoxy + Al-heatsink

Connector Material

Cu, tinned, 4-pin

Max. torque backplate

1.0 Nm

note : Specially designed for applications with fast changing electrical load.

MECHANICAL

Resistor Material

AlN

Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK

Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail

sales@willow.co.uk

web

www.willow.co.uk

USR4-4020相似产品对比

	USR4-4020	UNR4-4020
描述	highest stability nearly temperature independent	highest stability nearly temperature independent

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