General Note
IRC reserves the right to make changes in product specifi cation without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print. A subsidiary of
TT electronics plc
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Wire and Film Technologies Division
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
Four Terminal Open Air
Low Ohm Current Sense
Resistor
Electrical Data
IRC Type Power/Current Rating
(Watts)
Standard Resistance Range
(Ohms)
Tolerance
(±%)
CSL 5 watt max power
55 amps max current 0.00025 ohm - 0.0025 ohm 1%
CSL Series - Patent Pending
• <55 ppm/°C TCR
• 5 watt max power
• 55 amp max current
• Down to 1% tolerance
• 4-Terminal Kelvin connections
Environmental Data
CSL Performance Characteristics:
Test Spec: AEC Q200
TCR +125 to -55°C <55 ppm/°C
Thermal Shock <1.5%
High Temp Exposure
1000 hours @ 125°C <1.75%
Temp. Cycling: -55 to -125°C 1000 cycles <1.0%
Operational Life: 1000 hours @ 70°C <1.0%
Moisture Resistance <1.0%
Baised Humidity <1.0%
Mechanical Shock <1.0%
Vibration <0.75%
Solder Heating <1.0%
Solderability Meets J-STD-002 Method A
FEATURES:
• Inductance less than 10 nanohenries
• Flameproof
• Solderable leads (60/40 plate)
• 55 amp continuous operating current
• Inline construction for easy board insertion
• Economical board space design
• Welded construction
APPLICATIONS:
• Current Sensing
• Feed Back
• Motor Control
• Surge/Pulse Applications
CSL Series Issue November 2009 Sheet 1 of 2
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Wire and Film Technologies Division
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
Physical Data
Dimensions (Inches (mm))
ABCDEFGH
0.862
(21.9)
0.426
(10.8)
0.800
(20.3)
0.200
(5.1)
0.300
(7.6)
0.555
(14.01)
0.176
(4.5)
0.062
(1.57)
B
A
F
E
D
H
C
G
#1 #2 #3 #4
H
#1 #2 #3 #4
RECOMMENDED PC BOARD FOOTPRINT
AND ELECTRICAL CONNECTION
0.800 [20.32]
±.005 ±.127
0.500 [12.70]
±.005 ±.127
0.300 [7.62]
±.005 ±.127
#43 HOLE SIZE (CLEAR I.D)
0.089 [2.26mm]
RECOMMENDED ELECTRICAL CONNECTION
TERMINALS 2 & 3 CURRENT TRACES
TERMINALS 1 & 4 SENSE TRACES
ALL DIMENSIONS 0.010 (0.254) UNLESS OTHERWISE STATED.
DIMENSIONS C, D, & E = /-0.005 (0.127)
DIMENSIONS A AND F REFERENCE ONLY.
Refer
to Note
Four Terminal Open Air
Low Ohm Current Sense
Resistor
Note:
1.1 mΩ - 2.5 mΩ = 0.014 [0.356]
0.4 mΩ - 1.0 mΩ = 0.036 [0.914]
0.25 mΩ - 0.4 mΩ = 0.071 [1.80]
Sample Part No.
IRC Type
Resistance Value (EIA 4-digit code)
Tolerance
F = ±1%
Marking
U = unmarked
M = marked
RoHS Compliance
LF = Lead-free
Ordering Data
CSL R001 F U LF
CSL Series Issue November 2009 Sheet 2 of 2
