Product Update - Current Sense Resistors

Advantages
Applications
Typical applications that benefit from using current
sense resistors include:
 General Use

Power Supplies

Disk Drives

Battery Power Management
 Transportation

Speed Sensor

Parking Sensor

Engine coolant temperature sensor

Torque Sensor
 Medical Diagnostic Equipment

Defibrillators

Blood glucose meters

Implant products
 Telecommunication

Cell phones

Mobile radios

Laptops

Hand-held devices
 Military/Aerospace

Surveillance

Drones

Satellites

Missiles
 Alternative Energy

Temperature probes

Pressure monitoring devices
Sample Kits are available in for the following series:
UR73TK001Kit
SR73HTK001Kit
SR731ETK001Kit
SR731JTK001Kit
SR732ATK001Kit
SR732BTK001Kit
SR732ETK001Kit
SR73W2HTK001Kit
SR73W3ATK001Kit
PowerShuntTK001Kit











SLW07TK001Kit
SL1TK001Kit
SL2TK001Kit
SL3TK001Kit
TSLTK001Kit
TLR2ATK001Kit
TLR2BW-Kit
TLR2HW-Kit
TLR3AP-Kit
TLRDK001Kit
TLRHTK001Kit
CURRENT SENSE
METAL PLATE
TLR:
 Industry’s first 0402 package
 1W in a 0805 and 1206 package,
 2W in 2010 package, 3W in 2512 package
 Ultra-low ohm starting at 0.5m
 Low Height: 0.6mm
 Ultra-Low T.C.R.: +50ppm/oC
TLRH:
 Higher Operating Temperature up to +170oC
 Low ohm starting at 1m
THICK FILM
SR73:
 Available: 0201 ~ 2512 chip sizes
 Resistance Range: 0.033m  
UR73:
 Low ohmic Thick Film starting at 10m
 Low T.C.R.: 100~500ppm/oC
MOLDED
Kits










Four basic types of current sense resistors are available in
low-ohm, high precision, high power, low profile, high
frequency, high heat in a wide range of detecting
applications and power applications.
SL:




Enhanced Higher Power up to 3 Watt
Zero ohm~Current Rating 44A available
Ideal for High Frequency in a non-wirewound part
Operating Temperature of -55oC ~ +180oC
POWER SHUNTS
PSB, PSE, PSI:
 Power Ratings up to 7 Watt
 Ultra-Low T.C.R.: +50ppm/oC
 Ultra-low ohm starting at 0.2m
KOA Speer Electronics, Inc
P: (814)362-5536
199 Bolivar Drive
F:(814)362-8883
Bradford, PA. 16701
www.koaspeer.com
Other KOA Speer Products
Thin Film Resistors (RN73/RN73H)
Wide Terminal Resistors (WK73)
High Voltage Resistors (HV73)
Surge Current Resistors (SG73)
Power Resistors (SPR)
Wirewound Resistors (RW/CW)
Fusing Resistors (RF73)
Thermistors (NT73/PT72)
Inductors (KL73/KQ/KL32)
Resistor Arrays (CN)
Fuses (CCF/CCP/TF)
Varistors (NV73/NVD)
Modules (KLC/KA)
Integrated Resistor Networks
91214
Power
Rating
0.1W
Resistance Range

0201
0.18~10
+1%, +5%
SR731H
10m
+2%, +5%
TLR1E
24m~0.1
+1%
UR73D1E
RL0402
CSR0402
0.1~10
+1%, +2%, +5%
SR731E
RL0402
CSR0402/RMCF0402
10m~0.1
+1%
UR73D1J
RL0603
0.1~10
+1%, +2%, +5%
SR731J
RL0603
1m~0.1
'+1%
TLRH2A
PR0805
10m~30m
+1%
UR73D2A
RL0805
CSR0805
30m~10
+0.5%,+1%,+2%,+5%
SR732A
RL0805
33m~0.1
+1%
UR732A
30m~10
+0.5%,+1%,+2%,+5%
SR732B
2m~16m, 18m,20m
+1%
10m~27m
30m~0.1
1210
2010
Tolerance
Part
Yageo
SEI
Panasonic
Vishay/Dale
LRC-LR0402
ERJL2B
MCR01
LRC-LRF0402
ERJ2B
RCWE0402
MCR01
LRC-LR0402
ERJ2R
RCWL0402/CRCW0402
CSR0603
MCR03
LRC-LRF0603
CSR0603/RMCF0603
MCR03
LRC-LR0603
ERJ3R
RCWL0603/CRCW0603
LRC-LR0805
ERJL6B
WSL0805
MCR10
LRC-LRF0805
ERJ6B
RCWE0805
CSR0805/RMCF0805
MCR10
LRC-LR0805
ERJ6R
RCW0805L/CRCW0805
RL0805
CSR0805
MCR10
LRC-LRF0805
RL1206
CSR1206/RMCF1206
MCR18
LRC-LR1206
ERJ8R
RCWL1206/CRCW1206
TLR2B
PR1206
CSNL1/2
LRC-LR1206
ERJL8B
WSL1206
+1%
UR73D2B
RL1206
CSR1206
LRC-LRF1206
ERJ8B
RCWE1206
+1%
UR732B
RL1206
CSR1206
LRC-LRF1206
ERJ8B
RCWE1206
24m~10m
+1%, +2%, +5%
SR732E
RL1210
CSR1210/RMCF1210
LRC-LR1210
ERJ14R
RCWL1210/CRCW1210
5m~0.1
+1%, +5%
SL07
10m~0.1
+1%
UR73D2H
33m~10
+1%, +2%, +5%
SR732H
0805
5m~10m
+1%
TLR2A
1206
1m~20m
+1%
1m~10m
+1%
TLR2BW
TLR2H
5m~0.1
+1%, +5%
SLW07
1m~4m
+1%
TLR3A
3m~22M
+0.5%,+1%,+2%,+5%
SL1
5m~0.1
+0.5%, +1%, +5%
TSL1
10m~0.1
+1%
UR73D3A
39m~10
+1%, +2%, +5%
SR733A
1m~10m
+1%
TLR2HW
0.5m,1m,1.5m~10m
+1%
TLR3AW
10m~270m
+1%
TLRH3AW
3m~22M
+0.5%,+1%,+2%,+5%
SL2
5m~0.2
+0.5%,+1%,+2%,+5%
SLN2
2512
0.5m,0.68m,0.82m,
1m,1.5m~10m
+1%
TLR3AP
4020
3m,4m
+1%
PSI
4525
3m~0.1
+0.5%, +1%, +5%
SL3
4525
3m~110m
+0.5%,+1%,+2%,+5%
SLN3
5W
2525
0.5m,1m,1.5m,2m
+1%, +5%
PSE
6W
4033
0.75m,1m
+1%
PSB
7W
4033
0.2m
+1%
PSB
0603
Ze0.o ohm
0.2m Max.
TLRZ1J
PRM03
0805
Ze0.o ohm
0.2m Max.
TLZ2A
PRM10
2512
Ze0.o ohm
0.5m Max.
SLZ1
0.2W
0603
0.25W
0805
0.33W
1206
0.5W
0.7W
0.75W
1206
2010
2010
1W
2512
2010
2W
2512
4528
3W
MCR00
IRC
ERJ1R
0402
CSR0201/RMCF0201
Rohm
LRC-LR0201
0.125W
Current Sense Selection Guide
Cross Reference
Size
MCR25
RCWE0603
RCWE0805
LR2010
CSR2010
RL2010
CSR2010/RMCF2010
PR1206
CNSL1206
LRC-LRF2010
WSC2010/WSL2010
ERJL1D
LRC-LR2010
RCWL2010/CRCW2010
PMR10
LRMA0805
WSLP0805
PMR50
CSNL2
ERJL1D
LRF2010
LRC-LR2512
CSR2512/RMCF2512
WSLP1206
WSL2010
WSL2010
ERJL1W
WSL2512
LR2512
WSF2512/WSC0001
LR2512
WSF2512/WSC0001
CSR2512
RL2512
RCWE2010
MCR50
LRC-LR2010
PR2512
RCWL0201/CRCW0201
RCWE2512
MCR100
LRC-LR2512
CSNL1
ERJ1T
RCWL2512/CRCW2512
WSLP2010
WSL2512
PR2512
LRC-LR2512
SRF2
WSL2512
WSR2
WSR2/WSF4527
PML100
ULR3
WSLP2512
LRF3W, WSM
WSLP, WSH, WSL
WSR3
WSR3
LRF3W, WSM
WSLP, WSH, WSL
WSL5
WSL5
WSL0603-9
LRZ0805
WSL0805-9
LRZ2512
WSL2512-9