CS71

www.vishay.com

Vishay Milwaukee

Revision: 13-Aug-14

1

Document Number: 31872

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

Wirewound, 300 W Liquid Cooled Load Resistor

FEATURES

• Insulation is fitted over copper tubing

• Resistance element alloy wire is precisely wound onto the

tube and then spot welded to the terminal bands

• Wire is “locked” onto the core with a silicone coating

• Units can be wound non-inductively with Ayrton-Perry

winding for the lowest reactive component

STANDARD ELECTRICAL SPECIFICATIONS

GLOBAL MODEL

POWER RATING

W

RESISTANCE RANGE



TOLERANCE

± %

CS71

300

0.25 to 37K

5

DIMENSIONS in inches

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

RESISTOR CHARACTERISTICS

Power rating

W

300 cooled with 1 gal/min of 17 °C water

Resistance range



0.25 to 37K

Resistance tolerance

%

5 (standard)

Dielectric withstanding voltage

3000 RMS

GLOBAL PART NUMBER INFORMATION

Global Part Numbering example: CS710300R3000B1234 (CS71 300 W 0.3

 Bulk 1234)

C

S

710

300

R

3

0

0

0

B

91

23

MODEL

(2 digits)

TYPE

(2 digits)

SIZE

(4 digits)

VALUE

(5 digits)

PACKAGING

(1 digit)

SPECIAL

(4 digits)

CS

71 = watercooledSample Sizes:

K = thousand

0300 = 300 W

Sample Sizes:

R = decimal

K = thousand

R1500 = 0.15



1K500 = 1.5 k



resultant wattage

B = bulk

9123 = inductive

8968 = noninductive

9 1/2 ± 1/8

2 1/4 ± 1/32

2 1/4 ± 1/32

1 1/2 ± 1/16

bare tube

1 1/2 ± 1/16

bare tube

1/4