73WLx, WEx Series Datasheet by CTS Resistor Products
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ELECTRONIC COMPONENTS
WWW.CTECDRF.EDM
Document No. 008-0543-0 Page 1 - 4 Rev. B
www.ctscorp.com
Series 73WLx & 73WEx
Current Sensing Resistors
Wide Terminal Chip Type
FEATURES
Thick Film Construction – Wide Terminal Configuration
Power Rating @ +70°C, Options 0.75 – 2 Watts
Resistance Range, 5 – 910 milliohms
Operating Temperature to +155°C
EIA Standard Package Sizes
Terminal Finish – Tin (e3)
Reflow capable per JEDEC J-STD-020, 260°C maximum
Tape and Reel Packaging
Lead-Free Design – 73WEx
RoHS Compliant in Accordance with EU Directive 2011/65/EU – 73WLx
- Lead-Free Termination Finish
- Exemption 7(c)-I, Electrical and electronic components containing lead [Pb] in glass
APPLICATIONS
Ideal for applications such as current detection and limiting, regulated battery circuits, motor control, power supply,
hard disk drives, inverter/converter, industrial equipment and automotive.
ORDERING INFORMATION
Notes:
1. No dashes or spaces to appear in part number.
2. Example Part Numbers:
73WL4R100F [1206 pkg., 0.100 Ohms, ±1%]
73WL6R024J [2010 pkg., 0.024 Ohms, ±5%]
73WL7R750J [2512 pkg., 0.750 Ohms, ±5%]
73WE4R016F [1206 pkg., 0.016 Ohms, ±1%]
73WE6R007J [2010 pkg., 0.007 Ohms, ±5%]
73WE7R091F [2512 pkg., 0.091 Ohms, ±1%]
R
Not all performance combinat ions and resist or v alues may be av ailable.
73
WL = 4-Digit Resistor Code
WE = 4-Digit Resistor Code
TYPE
J = ±5%
F = ±1%
TOLERA NCE
Ex.
R470 = 0.47 Ohms
R020 = 0.020 Ohms
PA CKAGE CODE
4 = 1206 [3216]
6 = 2010 [5025]
7 = 2512 [6432]
RESISTOR CODE
4-Digit Resistor Codes
"R" indicates decimal point.
Contact your local CTS Represent ative or CTS Customer Serv ice for av ailability .
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ElEBTHOHIC WIFUIEMS
Document No. 008-0543-0 Page 2 - 4 Rev. B
Series 73WLx & 73WEx
Current Sensing Resistor – Wide Terminal
ORDERING INFORMATION
STANDARD RESISTOR VALUES
ELECTRICAL CHARACTERISTICS
Standard Resistance Values [Based on EIA E-24 Sequence]
4-Digit Code
Resistor
Value
Resistor
Code
Resistor
Value
Resistor
Code
Resistor
Value
Resistor
Code
Resistor
Value
Resistor
Code
Resistor
Value
Resistor
Code
0.010ΩR010 0.030ΩR030 0.082ΩR082 0.240ΩR240 0.680ΩR680
0.011ΩR011 0.033ΩR033 0.091ΩR091 0.270ΩR270 0.750ΩR750
0.012ΩR012 0.036ΩR036 0.100ΩR100 0.300ΩR300 0.820ΩR820
0.013ΩR013 0.039ΩR039 0.110ΩR110 0.330ΩR330 0.910ΩR910
0.015ΩR015 0.043ΩR043 0.120ΩR120 0.360ΩR360
0.016ΩR016 0.047ΩR047 0.130ΩR130 0.390ΩR390
0.018ΩR018 0.051ΩR051 0.150ΩR150 0.430ΩR430
0.020ΩR020 0.056ΩR056 0.160ΩR160 0.470ΩR470
0.022ΩR022 0.062ΩR062 0.180ΩR180 0.510ΩR510
0.024ΩR024 0.068ΩR068 0.200ΩR200 0.560ΩR560
0.027ΩR027 0.075ΩR075 0.220ΩR220 0.620ΩR620
Standard Resistance Values [Based on EIA E-24 Sequence]
4-Digit Code
Resistor
Value
Resistor
Code
Resistor
Value
Resistor
Code
Resistor
Value
Resistor
Code
Resistor
Value
Resistor
Code
Resistor
Value
Resistor
Code
0.005ΩR005 0.011ΩR011 0.020ΩR020 0.036ΩR036 0.075ΩR075
0.006ΩR006 0.012ΩR012 0.022ΩR022 0.039ΩR039 0.082ΩR082
0.007ΩR007 0.013ΩR013 0.024ΩR024 0.043ΩR043 0.091ΩR091
0.008ΩR008 0.015ΩR015 0.027ΩR027 0.056ΩR056
0.009ΩR009 0.016ΩR016 0.030ΩR030 0.062ΩR062
0.010ΩR010 0.018ΩR018 0.033ΩR033 0.068ΩR068
73WLx
73WEx
Packa
g
e
Code
Rated
Wattage * Tolerance Resist ance E-24 T.C.R
Inch [mm] [Watts] [%] [mΩ] [ppm/°C]
F = ±1 100 - 910 ±200
10 - 33 ±500
36 - 91 ±350
100 - 910 ±200
F = ±1 100 - 910 ±200
10 - 33 ±500
36 - 91 ±350
100 - 910 ±200
F = ±1 100 - 910 ±200
10 - 33 ±500
36 - 91 ±350
100 - 910 ±200
* @ +70°C.
Packa
g
e
Code
Rated
Wattage * Tolerance Resist ance E-24 T.C.R
Inch [mm] [Watts] [%] [mΩ] [ppm/°C]
F = ±1 10 - 91
J = ±5 5 - 91
F = ±1 10 - 91
J = ±5 5 - 91
F = ±1 10 - 91
J = ±5 5 - 91
* @ +70°C.
±100 -55°C to +155°C
±100 -55°C to +155°C
-55°C to +155°C±100
Type
-55°C to +155°C
-55°C to +155°C
J = ±5
Working
Volta
g
e
[max V]
Overload
Volta
g
e
[max V]
200 400
Ope rat ing
Temperature Range
Ope rat ing
Temperature Range
-55°C to +155°C
73WE7 2512 [6432] 2.0
73WL7 2512 [6432] 2.0
73WE6 2010 [5025] 1.0
1206 [3216] 0.75
J = ±5
J = ±5
Type
73WL4
73WE4
1206 [3216] 0.75
73WL6 2010 [5025] 1.0
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ElEETIOHIC WIFMEMS
73WL4 +0.15 0.50 $.20
0.30 $.20
73WL6 0.60 $.20
0.50 $.20
73WL7 0.50 $.20 0.90 $.20
0.60 $.20 0.60 $.20
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LLJ LLJ
73WL4
73WL6
73WL7
w
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Document No. 008-0543-0 Page 3 - 4 Rev. B
Series 73WLx & 73WEx
Current Sensing Resistor – Wide Terminal
MECHANICAL SPECIFICATION
PACKAGE DRAWING
Package
Code
Inch [mm] c d
+0. 15 0. 50 ±0 .20
-0.05 0.30 ±0.20
0.60 ±0.20
0.50 ±0.20
0.50 ±0.20 0.90 ±0.20
0.60 ±0.20 0.60 ±0.20
Type
Dimensions
[mm]
LW
73WL4
73WE4 0.551206 [3216]
t
0.30 ±0.203.2 ±0.15 1.6 ±0.15
3.20 ±0.20
73WL7
73WE7 6.30 ±0.20
0.56 ±0.15 0.50 ±0.20
0.56 ±0.15
73WL6
73WE6 5.00 ±0.20 2.50 ±0.20
2512 [6432]
2010 [5025]
RECOMMENDED LAND PATTERN
CLW
Type
Dimensions
[mm]
2.65
4.00
3.20
5.00
0.65
1.30
73WL4
73WE4
73WL6
73WE6
1.45 6.40
73WL7
73WE7 4.85
NOTES
1. Terminal:
Base Metal – Silver [Ag] or Copper [Cu] plate.
Barrier Plating - Nickel [Ni].
Finish Plating – Matte Tin [Sn].
MARKING
Type Part Marking
73WL4
73WL6
73WL7
73WE4
73WE6
73WE7
None
Rxxx = "R" is the decimal
point and 3 digits [E24] are
significant values. See
resistor tables for codes.
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ElEETlOHIC WIFMEMS
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73WL4
73WL6
73WL7
Document No. 008-0543-0 Page 4 - 4 Rev. B
Series 73WLx & 73WEx
Current Sensing Resistor – Wide Terminal
PACKAGING INFORMATION
PAPER TAPE
[mm]
Type t
+0.10 +0.10
-0.15 -0.15 0.80 ±0.20
AB
73WL4
73WE4 2.00 3.57
REEL
[mm]
73WL7
73WE7 4,000 17.0 ±1.4
73WL4
73WE4
73WL6
73WE6
5,000
4,000
13.0 ±1.4
17.0 ±1.4
BCD
180 602.5 ±0.6 13.5 ±0.6 21.9 ±0.6
Ty pe Quantity Per
Reel WM A
EMBOSSED TAPE
[mm]
Type A B t
73WL6
73WE6 2.90 ±0.10 5.30 ±0.10 1.00 ±0.10
73WL7
73WE7 3.40 ±0.10 6.60 ±0.10 1.00 ±0.10
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