CS71 Datasheet

CS71
www.vishay.com
Vishay Milwaukee
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
±%
300
0.25 to 37K
5
CS71
DIMENSIONS in inches
2 1/4 ± 1/32
1/4
2 1/4 ± 1/32
1 1/2 ± 1/16
bare tube
1 1/2 ± 1/16
bare tube
9 1/2 ± 1/8
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
RESISTOR CHARACTERISTICS
W
300 cooled with 1 gal/min of 17 °C water
Power rating
Resistance range

0.25 to 37K
Resistance tolerance
%
5 (standard)
VAC
3000 RMS
Dielectric withstanding voltage
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: CS710300R3000B1234 (CS71 300 W 0.3  Bulk 1234)
C
S
7
1
0
3
0
0
R
3
0
0
0
B
9
1
2
3
MODEL
(2 digits)
TYPE
(2 digits)
SIZE
(4 digits)
VALUE
(5 digits)
PACKAGING
(1 digit)
SPECIAL
(4 digits)
CS
71 = watercooled
Sample Sizes:
K = thousand
0300 = 300 W
Sample Sizes:
R = decimal
K = thousand
B = bulk
9123 = inductive
8968 = noninductive
R1500 = 0.15 
1K500 = 1.5 k
resultant wattage
Revision: 13-Aug-14
Document Number: 31872
1
For technical questions, contact: [email protected]
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Revision: 02-Oct-12
1
Document Number: 91000
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