Ch-technology RPH100 Manual do Utilizador descarregar pdf (Página 4)

RPH 100

Vishay Sfernice

Power Resistor for Mounting onto a Heatsink

Thick Film Technology

www.vishay.com For technical questions, contact: sfer@vishay.com

Document Number: 50046

3 Revision: 10-Oct-08

OVERLOADS

In any case the applied voltage must be lower than 2 U

max.

< 2 U

< 3800 V.

Short time overload: 4 P

/5 s.

Accidental overload: The values indicated on the graph below are applicable to resistors in air or mounted onto a heatsink.

POWER RATING CHART

For resistor mounted onto a heatsink with thermal resistance of 0.45 °C/W.

MARKING

Series. style, ohmic value (in Ω). tolerance (in %), manufacturing date, SFERNICE trade mark.

ORDERING INFORMATION

RCH 25 3.3 kΩ ± 5 % R XXX

MODEL STYLE RESISTANCE VALUE TOLERANCE

Optional

± 1 %

± 2 %

± 5 %

CONNECTIONS

V: M4 screw

CUSTOM DESIGN

Options

on request

TCR, shape,

etc.

OVERLOAD DURATION IN s

ENERGY IN JOULES

0.1

100

1.10 1.10

-7

-6

ENERGY CURVE

1000

1.10

-5

1.10

-4

1.10

-3

1.10

-2

1.10

-1

AMBIENT TEMPERATURE IN °C

% RATED POWER

0 20 40 60 80 100 120 140

100

1 2 3 4 5 6

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