SPU Molded Style

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Vishay Dale

Revision: 27-Feb-12

1

Document Number: 30220

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

Wirewound Resistors, Molded Style, Current Shunts,

Very Low Value, Four Terminal

FEATURES

• Molded four-terminal resistors for specialized

applications

• Extremely low resistance values for current

sensing applications

• Precision resistance tolerance

• Low temperature coefficients

• Complete welded construction

Notes

• Standard resistance tolerances available are 0.5 %, 1.0 %, 3.0 %, and 5.0 %.

Note

STANDARD ELECTRICAL SPECIFICATIONS

GLOBAL

MODEL

HISTORICAL

MODEL

W

RESISTANCE

RANGE



TOLERANCE

± %

WEIGHT

(typical)

g

SPU050

SPU-50

1

0.001 to 0.060

1

2.5

SPU051

SPU-51

2

0.001 to 0.060

1

3.7

SPU052

SPU-52

4

0.001 to 0.200

1

4.8

SPU053

SPU-53

5

0.010 to 0.500

1

10.8

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

SPU MOLDED STYLE RESISTOR CHARACTERISTICS

Temperature Coefficient

ppm/°C

± 100 (- 10 °C to + 80 °C)

Dielectric Withstanding Voltage

500 minimum

Short Time Overload

-

5 x power for 5 s, limited to 25 A maximum

Maximum Working Voltage

V

Insulation Resistance



10 000 M

 minimum dry

Operating Temperature Range

°C

SPU050 and SPU051 = - 55 to + 175, SPU052 and SPU053 = - 55 to + 275

GLOBAL PART NUMBER INFORMATION

Global Part Numbering example: SPU052R10000FD

GLOBAL MODEL

RESISTANCE VALUE

TOLERANCE CODE

PACKAGING

SPECIAL

SPU050

SPU051

SPU052

SPU053

L = m



(below 0.01

)

R = Decimal

5L0000 = 0.005



R10000 = 0.10



D = ± 0.5 %

F = ± 1.0 %

H = ± 3.0 %

J = ± 5.0 %

D = Tin/lead, bulk

(Dash Number)

(up to 2 digits)

From 1 to 99 as

applicable

Historical Part Numbering example: SPU-52 0.1

 1 % S51

SPU-52

0.100



1 %

S51

HISTORICAL MODEL

RESISTANCE VALUE

TOLERANCE CODE

PACKAGING

052

R

000

1

PU

0F

D

S