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USR4-3425: 产品描述high stability near temperature independency; 文件大小106KB，共2页; 制造商Willow Technologies Ltd; 官网地址https://www.willow.co.uk/

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USR4-3425概述

high stability near temperature independency

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USR UNR 4-3425 4-3825 4-3825H

•

High Stability

•

Near Temperature

Independency

•

Lowest Tolerances

•

Low Capacitance and

Inductance

•

Customized Resistance

Values

SPECIFICATIONS

ELECTRICAL

Resistance Range

USR 4-3425/3825

UNR 4-3425/3825

with addional heatsink 3825H

note

0R05 ... 500R

other resistance values upon request /

power rating depending on resistor value

3 W (70°C) without heatsink

5 W (20°C) for 3825H

30 W*

50 W*

* with heatsink

3.5 K/W

2.1 K/W

Power Rating

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

ENVIRONMENTAL

Operating Temperature Range

-55°C...155°C

NiCr-Foil

AlN

Epoxy + heatsink aluminium

Cu, tinned, 4-pin

1.0 Nm

MECHANICAL

Resistor Material

Substrate

Housing

Connector Material

Max. torque backplate

note

: Specially designed for applications with fast changing electrical load.

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

USR4-3425相似产品对比

	USR4-3425	USR4-3825H
描述	high stability near temperature independency	high stability near temperature independency

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