Series 73Mx
Current Sensing Resistors Metal Plate
FEATURES
Very Low Resistance
Suitable for Current Limiting, Current Detection, Motor Control,
Power Supply and Hard Disk Drives
High Precision and Excellent Accuracy for Current Detection
Good Electrical Characteristics
Surface Mount Package
Nickel Barrier Solder-Coated Pads [e3]
Reflow capable per JEDEC J-STD-020, 260°C maximum
Tape and Reel Packaging
RoHS/Green Compliant (6/6)
ORDERING INFORMATION
73M
R
TOLERANCE
TYPE
1 = 1 Watt Rating
2 = 2 Watt Rating
G = ±2%
F = ±1%
RESISTOR CODE
Notes:
1. No dashes or spaces to appear in part number.
4-Digit Resistor Code
"R" indicates decimal point.
2. Example Part Numbers:
73M1R005F [5m Ohms, ±1%]
73M1R100G [100m Ohms, ±2%]
Ex.
R005 = 5m Ohms
R100 = 100m Ohms
73M2R015F [15m Ohms, ±1%]
Not all performance combinations and resistor values may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
STANDARD RESISTOR VALUES
73M1
Standard Resistance Values (Based on EIA E24 Sequence)
4-Digit Code
Resistor
Resistor
Resistor
Resistor
Resistor
Value
Code
Value
Code
Value
R003
0.016
R016
0.047
0.003
R004
0.018
R018
0.050
0.004
R005
0.020
R020
0.051
0.005
R006
0.022
R022
0.056
0.006
0.007
R007
0.024
R024
0.062
R008
0.027
R027
0.067
0.008
0.009
R009
0.030
R030
0.068
R010
0.033
R033
0.075
0.010
0.011
R011
0.036
R036
0.082
R012
0.039
R039
0.091
0.012
0.013
R013
0.040
R040
0.100
R015
0.043
R043
0.015
Document No. 008-0336-0
Resistor
Code
R047
R050
R051
R056
R062
R067
R068
R075
R082
R091
R100
73M2
Standard Resistance Values (Based on EIA E24 Sequence)
4-Digit Code
Resistor
Resistor
Resistor
Resistor
Value
Code
Value
Code
R005
0.018
R018
0.005
0.006
R006
0.020
R020
R007
0.022
R022
0.007
R008
0.024
R024
0.008
0.009
R009
0.027
R027
R010
0.030
R030
0.010
R011
0.033
R033
0.011
0.012
R012
0.036
R036
R013
0.039
R039
0.013
R015
0.040
R040
0.015
0.016
R016
Page 1 - 3
www.ctscorp.com
Rev. A
Series 73Mx
Current Sensing Resistor Metal Plate
ELECTRICAL CHARACTERISTICS
Type
Rated
Wattage
(Watts)
73M1
1
73M2
2
Resistance
(Ohms)
Tolerance
(%)
0.003 - 0.009
±1, ±2
0.010 - 0.100
0.005 - 0.009
0.010 - 0.040
±1
±1, ±2
±1
T.C.R
(ppm/°C)
0.003
0.005
0.010
R<
R
R < 0.005 : ±300
R < 0.010 : ±180
R 0.100 : ±100
0.010 : ±200
0.010 : ±100
Rated Ambient
Temperature
Operating
Temperature
Range
+70°C
-55°C to +180°C
+70°C
-55°C to +180°C
MECHANICAL SPECIFICATION
PACKAGE DRAWING
Dimensions
(mm)
73M1
73M2
L
W
T
a
b
c
6.2 ±0.3
6.4 ±0.3
3.1 ±0.2
3.5 ±0.2
1.0 ±0.2
1.2 Max.
2.5 ±0.2
3.2 ±0.2
0.8 ±0.2
---
1.2 ±0.3
1.0 ±0.2
W
T
b
73M1
c
c
a
L
L
W
T
b
73M2
c
c
a
RECOMMENDED LAND PATTERN
A
Type
Dimensions
(mm)
A
C
B
C
73M1
2.90 8.10 3.60
73M2
3.50 8.30 4.00
B
Document No. 008-0336-0
Page 2 - 3
Rev. A
Series 73Mx
Current Sensing Resistor Metal Plate
PACKAGING INFORMATION
EMBOSSED TAPE [mm]
REEL [mm]
Type
A
B
F
J
73M1
3.5 ±0.1
6.6 ±0.1
8.0 ±0.10
1.5 ±0.2
73M2
4.0 ±0.1
6.9 ±0.1
8.0 ±0.10
1.5
+0.1
-0.0
L
M
1.3 ±0.1
0.3 ±0.05
1.4 ±0.1
0.25 ±0.05
Type
Quantity
Per Reel
A
(mm)
73M1
73M2
1,000
1,000
15.4 ±1.0
15.4 ±1.0
M
J
L
F
Document No. 008-0336-0
Page 3 - 3
Rev. A
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