Datasheet > RPS 250

RPS 250

更新时间： 2023-12-06 20:09:19

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
4页	103K
描述
Power Resistor for Mounting Onto a Heatsink Thick Film Technology

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RPS 250 数据手册

RPS 250

Vishay Sfernice

www.vishay.com

Power Resistor for Mounting Onto a Heatsink

Thick Film Technology

FEATURES

• Compliant with requirement #26 of

NF-EN45545-2

• High power rating: 250 W

• High overload capability up to 4 times nominal power

(see Energy Curve)

• Easy mounting

• Low thermal radiation of the case

• Material categorization: for definitions of compliance

please see www.vishay.com/doc?99912

LINKS TO ADDITIONAL RESOURCES

3D Models

Developed for specific applications such as railroad electrical traction, this series can bear short overloads as high as fifteen

times the nominal power. Designed to be mounted onto a heatsink, these power resistors exhibit remarkable characteristics.

DIMENSIONS in millimeters

RPS 250D ZA3

RPS 250A ZA3

16.2

18.7

Ø 7.2

Ø 4.2

Ø 7.2

Ø 4.2

2 x M4

USEFUL DEPTH: 6

2 x M4

USEFUL DEPTH: 6

Note

Tolerance unless stated: 0.2 mm

•

STANDARD ELECTRICAL SPECIFICATIONS

RESISTANCE

RANGE

RATED POWER

LIMITING ELEMENT

TEMPERATURE

COEFFICIENT

ꢁꢁmꢂ°C

TOLERANCE

ꢀ

MODEL

SIZE

P_{25 °C}

VOLTAGE U_L

250

5000

RPS 250

250

0.24 to 1M ⁽¹⁾

1, 2, 5, 10

150

Note

(1)

E24 series

MECHANICAL SPECIFICATIONS

TECHNICAL SPECIFICATIONS

Insulated case and resin for

Power Rating

Chassis Mounted

Temꢁerature

250 W at 50 °C continuous

1000 W at 25 °C for 10 s

250 ppm/°C < 1 Ω

Flammability

potting UL 94 V-0

Resistive Element

Substrate

End Connections

Cermet

Alumina onto aluminum base

Screws M4 (M5 on request)

Coefficient

Standard

150 ppm/°C > 1 Ω

Dielectric Strength

MIL STD 202 (301),

1 min, 10 mA max.

Insulation Resistance

Inductance

L connections 7 kV_RMS

H connections 12 kV_RMS

Tightening Torque

Connections

2 Nm

> 10⁶MΩ

< 50 nH

< 40 pF

Weight

170 g 10 ꢀ

ENVIRONMENTAL SPECIFICATIONS

Caꢁacitance Resistor ꢂ

Ground

< 120 pF

Thermal Resistance

Temꢁerature Range

Climatic Category

R_{th (j - c)}0.22 °C/W

-55 °C to +125 °C

55 / 125 / 56

Revision: 22-Nov-2021

Document Number: 50007

For technical questions, contact: sferfixedresistors@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

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与RPS 250相关器件

型号	品牌	获取价格	描述	数据表
RPS 500	VISHAY	获取价格	Power Resistor for Mounting Onto a Heatsink Thick Film Technology
RPS0108	ETC	获取价格	HIGH PERFORMANCE ATX POWER SUPPLY
RPS0109	ETC	获取价格	HIGH PERFORMANCE ATX POWER SUPPLY
RPS0110	ETC	获取价格	HIGH PERFORMANCE ATX POWER SUPPLY
RPS-01-1-1-98-8	AMPHENOL	获取价格	Board Connector, 16 Contact(s), Female, Straight, Press Fit Terminal, ROHS COMPLIANT
RPS0250AH10R0JB	VISHAY	获取价格	Fixed Resistor, Metal Glaze/thick Film, 250W, 10ohm, 5000V, 5% +/-Tol, 150ppm/Cel, Chassis
RPS0250AH1100FB	VISHAY	获取价格	Fixed Resistor, Metal Glaze/thick Film, 250W, 110ohm, 5000V, 1% +/-Tol, 150ppm/Cel, Chassi
RPS0250AH1100JB	VISHAY	获取价格	Fixed Resistor, Metal Glaze/thick Film, 250W, 110ohm, 5000V, 5% +/-Tol, 150ppm/Cel, Chassi
RPS0250AH1100JN	VISHAY	获取价格	Fixed Resistor, Metal Glaze/thick Film, 250W, 110ohm, 5000V, 5% +/-Tol, 150ppm/Cel, Chassi
RPS0250AH1100KB	VISHAY	获取价格	Fixed Resistor, Metal Glaze/thick Film, 250W, 110ohm, 5000V, 10% +/-Tol, 150ppm/Cel, Chass

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