Current Sense Resistor Datasheet
© 2024 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 02/23/24
1
WSTM Series
Two-Terminal Surface Mount Resistor
Littelfuse WSTM Series low ohm current sense resistor is
designed with long term stability in mind. This series is durable
and excels at heat dissipation. The small package is optimal for
most applications.
Description
■ Low Temperature Coefficient of Resistance (TCR)
■ Optimal linearity in I / V conversion
■ Ceramic substrate
■ Small size
Features & Benefits
■ Power management
■ Low ESL
Application
RoHS
Pb
Web Resources
Download ECAD models, order samples, and find
technical recources at www.littelfuse.com
Current Sense Resistor Datasheet
© 2024 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 02/23/24
2
WSTM Series
Two-Terminal Surface Mount Resistor
Electrical Specifications
Part Number
Size Resistance Value
Power Rating
(W)
TCR
(ppm / ºC)
Standard
Package Quantity
Inch mm Ro (mΩ) Rt (%)
WSTM0603DLR006FNR 0603 1608 6 ±1.0% 0.5 ±75 5000
WSTM0603DLR009FNR 0603 1608 9 ±1.0% 0.5 ±75 5000
WSTM0603QLR010FNR 0603 1608 10 ±1.0% 0.5 ±50 5000
WSTM0603QLR015FNR 0603 1608 15 ±1.0% 0.5 ±50 5000
WSTM0603QLR020FNR 0603 1608 20 ±1.0% 0.5 ±50 5000
WSTM0603QLR022FNR 0603 1608 22 ±1.0% 0.5 ±50 5000
WSTM0603QLR030FNR 0603 1608 30 ±1.0% 0.5 ±50 5000
WSTM0603QLR033FNR 0603 1608 33 ±1.0% 0.5 ±50 5000
WSTM0603QLR062FNR 0603 1608 62 ±1.0% 0.5 ±50 5000
WSTM0805DLR003FNR 0805 2012 3 ±1.0% 0.75 ±75 5000
WSTM0805QLR004FNR 0805 2012 4 ±1.0% 0.75 ±50 5000
WSTM0805QLR005FNR 0805 2012 5 ±1.0% 0.75 ±50 5000
WSTM0805QLR007FNR 0805 2012 7 ±1.0% 0.75 ±50 5000
WSTM0805QLR008FNR 0805 2012 8 ±1.0% 0.75 ±50 5000
WSTM0805QLR009FNR 0805 2012 9 ±1.0% 0.75 ±50 5000
WSTM0805QLR013FNR 0805 2012 13 ±1.0% 0.75 ±50 5000
WSTM0805QLR015FNR 0805 2012 15 ±1.0% 0.75 ±50 5000
WSTM0805QLR016FNR 0805 2012 16 ±1.0% 0.75 ±50 5000
WSTM0805QLR018FNR 0805 2012 18 ±1.0% 0.75 ±50 5000
WSTM0805QLR020FNR 0805 2012 20 ±1.0% 0.75 ±50 5000
WSTM0805QLR022FNR 0805 2012 22 ±1.0% 0.75 ±50 5000
WSTM0805QLR024FNR 0805 2012 24 ±1.0% 0.75 ±50 5000
WSTM0805QLR030FNR 0805 2012 30 ±1.0% 0.75 ±50 5000
WSTM0805QLR033FNR 0805 2012 33 ±1.0% 0.75 ±50 5000
WSTM0805QLR047FNR 0805 2012 47 ±1.0% 0.75 ±50 5000
WSTM0805QLR100FNR 0805 2012 100 ±1.0% 0.75 ±50 5000
WSTM0805QLR165FNR 0805 2012 165 ±1.0% 0.75 ±50 5000
WSTM0805QLR220FNR 0805 2012 220 ±1.0% 0.75 ±50 5000
WSTM0805QLR470FNR 0805 2012 470 ±1.0% 0.75 ±50 5000
WSTM1206DLR003JNR 1206 3216 3 ±5.0% 1 ±75 5000
WSTM1206QLR004FNR 1206 3216 4 ±1.0% 1 ±50 5000
WSTM1206QLR005FNR 1206 3216 5 ±1.0% 1 ±50 5000
WSTM1206QLR006FNR 1206 3216 6 ±1.0% 1 ±50 5000
WSTM1206QLR007FNR 1206 3216 7 ±1.0% 1 ±50 5000
WSTM1206QLR008FNR 1206 3216 8 ±1.0% 1 ±50 5000
WSTM1206QLR009FNR 1206 3216 9 ±1.0% 1 ±50 5000
WSTM1206QLR010FNR 1206 3216 10 ±1.0% 1 ±50 5000
WSTM1206QLR011FNR 1206 3216 11 ±1.0% 1 ±50 5000
WSTM1206QLR012FNR 1206 3216 12 ±1.0% 1 ±50 5000
WSTM1206QLR015FNR 1206 3216 15 ±1.0% 1 ±50 5000
WSTM1206QLR016FNR 1206 3216 16 ±1.0% 1 ±50 5000
WSTM1206QLR018FNR 1206 3216 18 ±1.0% 1 ±50 5000
WSTM1206QLR020FNR 1206 3216 20 ±1.0% 1 ±50 5000