User Manual

Wirewound Resistors, Open Air,
Current Sense, Low Value
www.vishay.com For technical questions, contact: ww2aresistors@vishay.com
Document Number: 31067
1 Revision: 27-Nov-06
SR
Vishay Dale
FEATURES
Open air design
Low resistance values for all types of current
sensing, voltage division and pulse applications
including switching and linear supplies,
instrumentation and power amplifiers
All welded construction
Solid metal Nickel-Chrome or Copper-Nickel
alloy resistive element
Solderable terminations
Very low inductance
Lead (Pb)-free version is RoHS compliant
* Pb containing terminations are not RoHS compliant, exemptions may apply
STANDARD ELECTRICAL SPECIFICATIONS
MODEL POWER RATING
P
70 °C
W
TOLERANCE
± %
RESISTANCE RANGE
Ω
SR5 5.0 1, 5 0.004 - 0.05
TECHNICAL SPECIFICATIONS
PARAMETER UNIT SR5
Temperature Coefficient ppm/°C
0.004 Ω - 0.005 Ω = ± 200
0.0051 Ω - 0.0099 Ω = ± 175
0.01 Ω - 0.05 Ω = ± 100
Operating Temperature Range °C - 65/+ 275
Maximum Continuous Current A (P/R)
1/2
Weight/1000 pieces (typical) g 1350
GLOBAL MODEL VALUE TOLERANCE SPECIAL
SR5 L = Milliohm F = ± 1.0 % (Dash Number)
(below 0.01 Ω ) J = ± 5.0 %
PACKAGING
E14 = Lead (Pb)-free bulk
B14 = Tin/lead bulk (up to 3 digits)
R = Decimal K = ± 10 % From
1-999 as
5L000 = 0.005 Ω applicable
R0100 = 0.01 Ω
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: SR55L000JB14 (preferred part numbering format)
SR55L 0 00 JB1 4
Historical Part Number example: SR5 0.005 Ω 5 % B14 (will continue to be accepted)
SR5
HISTORICAL MODEL
0.005 Ω
RESISTANCE VALUE
B14
PACKAGING
5 %
TOLERANCE
CODE
Available
Pb-free
RoHS*
COMPLIANT
e3