RH

www.vishay.com

Vishay Sfernice

Revision: 07-Dec-15

3

Document Number: 50013

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

MOMENTARY OVERLOAD

1. Momentary overload (> 2 s):

See example in table below. In all cases, it should be understood that:

- The 12

- The overload voltage shall not be higher than that used for the dielectric strength test (see Standard Electrical Specifications).

2. Short time overload (< 2 s):

For times shorter than 2 s, higher overloads can be sustained in some cases. Consult Vishay Sfernice.

POWER RATING

TEMPERATURE RISE

MARKING

Vishay Sfernice trademark, model, style, nominal resistance

(in

Ω), tolerance (in %), manufacturing date.

POWER LOADING

DURATION

2.5

10 s

5

5 s

12

2 s

AMBIENT TEMPERATURE IN °C

100

125

75

50

25

0

0

50

100

150

200

250 275 300

350

RATED POWER IN W

(Mounted on heatsink chassis)

200

150

100

50

0

0

10

20

30

40

50

60

70

RH10

RH25

RH50

250

PACKAGING

Bag of 10 units

ORDERING INFORMATION

RH

05

N

18R00

J

S03

MODEL

STYLE

NON INDUCTIVE

WINDING

Optional

OHMIC VALUE

TOLERANCE

PACKAGING

GLOBAL PART NUMBER INFORMATION

GLOBAL

MODEL

SIZE

OPTION

OHMIC VALUE

TOLERANCE

PACKAGING

SPECIAL

RH

05

10

25

50

N = Non inductive winding

The first four digits are

significant figures and the

last digit specifies the

number of zeros to follow.

R designates decimal point.

33001 = 33 k

Ω

680R0 = 680

Ω

20301 = 20.3 k

Ω

88R88 = 88.88

Ω

...

D = 0.5 %

F = 1 %

G = 2 %

J = 5 %

K = 10 %

Standard Packaging:

S03 = Bag, 10 pieces

As applicable

Ex = HDX

50

33

00

1

S

R

H

J0

3