73W Wide Terminal Thick Film Chip Type Current Sense Resistors

Series 73WLx & 73WEx
Current Sensing Resistors
Wide Terminal Chip Type
FEATURES

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

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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
73
R
TYPE
TOLERANCE
WL = 4-Digit Resistor Code
WE = 4-Digit Resistor Code
J = ±5%
F = ±1%
PACKAGE CODE
4 = 1206 [3216]
6 = 2010 [5025]
7 = 2512 [6432]
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%]
4-Digit Resistor Codes
73WL7R750J
[2512 pkg., 0.750 Ohms, ±5%]
"R" indicates decimal point.
73WE4R016F
[1206 pkg., 0.016 Ohms, ±1%]
Ex.
R470 = 0.47 Ohms
R020 = 0.020 Ohms
73WE6R007J
[2010 pkg., 0.007 Ohms, ±5%]
73WE7R091F
[2512 pkg., 0.091 Ohms, ±1%]
RESISTOR CODE
Not all performance combinations and resistor values may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
Document No. 008-0543-0
Page 1 - 4
www.ctscorp.com
Rev. B
Series 73WLx & 73WEx
Current Sensing Resistor – Wide Terminal
ORDERING INFORMATION
STANDARD RESISTOR VALUES
73WLx
73WEx
Standard Resistance Values [Based on EIA E-24 Sequence]
4-Digit Code
Resistor
Resistor
Resistor
Resistor
Resistor
Value
Code
Value
Code
Value
0.010Ω
R010
0.030Ω
R030
0.082Ω
0.011Ω
R011
0.033Ω
R033
0.091Ω
0.012Ω
R012
0.036Ω
R036
0.100Ω
0.013Ω
R013
0.039Ω
R039
0.110Ω
0.015Ω
R015
0.043Ω
R043
0.120Ω
0.016Ω
R016
0.047Ω
R047
0.130Ω
0.018Ω
R018
0.051Ω
R051
0.150Ω
0.020Ω
R020
0.056Ω
R056
0.160Ω
0.022Ω
R022
0.062Ω
R062
0.180Ω
0.024Ω
R024
0.068Ω
R068
0.200Ω
0.027Ω
R027
0.075Ω
R075
0.220Ω
Resistor
Code
R082
R091
R100
R110
R120
R130
R150
R160
R180
R200
R220
Resistor
Value
0.240Ω
0.270Ω
0.300Ω
0.330Ω
0.360Ω
0.390Ω
0.430Ω
0.470Ω
0.510Ω
0.560Ω
0.620Ω
Resistor
Code
R240
R270
R300
R330
R360
R390
R430
R470
R510
R560
R620
Resistor
Value
0.680Ω
0.750Ω
0.820Ω
0.910Ω
Resistor
Code
R680
R750
R820
R910
Standard Resistance Values [Based on EIA E-24 Sequence]
4-Digit Code
Resistor
Resistor
Resistor
Resistor
Resistor
Value
Code
Value
Code
Value
0.005Ω
R005
0.011Ω
R011
0.020Ω
0.006Ω
R006
0.012Ω
R012
0.022Ω
0.007Ω
R007
0.013Ω
R013
0.024Ω
0.008Ω
R008
0.015Ω
R015
0.027Ω
0.009Ω
R009
0.016Ω
R016
0.030Ω
0.010Ω
R010
0.018Ω
R018
0.033Ω
Resistor
Code
R020
R022
R024
R027
R030
R033
Resistor
Value
0.036Ω
0.039Ω
0.043Ω
0.056Ω
0.062Ω
0.068Ω
Resistor
Code
R036
R039
R043
R056
R062
R068
Resistor
Value
0.075Ω
0.082Ω
0.091Ω
Resistor
Code
R075
R082
R091
ELECTRICAL CHARACTERISTICS
Type
73WL4
Package
Code
Inch [mm]
1206 [3216]
Rated
Wattage *
[Watts]
0.75
Tolerance
Resistance E-24
T.C.R
[%]
[mΩ]
[ppm/°C]
F = ±1
100 - 910
±200
10 - 33
±500
36 - 91
±350
100 - 910
±200
J = ±5
F = ±1
73WL6
2010 [5025]
1.0
J = ±5
F = ±1
73WL7
2512 [6432]
2.0
J = ±5
100 - 910
±200
10 - 33
±500
36 - 91
±350
100 - 910
±200
100 - 910
±200
10 - 33
±500
36 - 91
±350
100 - 910
±200
Resistance E-24
T.C.R
[ppm/°C]
Operating
Temperature Range
Working
Voltage
[max V]
Overload
Voltage
[max V]
200
400
-55°C to +155°C
-55°C to +155°C
-55°C to +155°C
* @ +70°C.
Type
Package
Code
Inch [mm]
Rated
Wattage *
[Watts]
73WE4
1206 [3216]
0.75
73WE6
2010 [5025]
1.0
73WE7
2512 [6432]
2.0
Tolerance
[%]
[mΩ]
F = ±1
10 - 91
J = ±5
5 - 91
F = ±1
10 - 91
J = ±5
5 - 91
F = ±1
10 - 91
J = ±5
5 - 91
Operating
Temperature Range
±100
-55°C to +155°C
±100
-55°C to +155°C
±100
-55°C to +155°C
* @ +70°C.
Document No. 008-0543-0
Page 2 - 4
Rev. B
Series 73WLx & 73WEx
Current Sensing Resistor – Wide Terminal
MECHANICAL SPECIFICATION
PACKAGE DRAWING
Type
73WL4
73WE4
73WL6
73WE6
73WL7
73WE7
Package
Code
Inch [mm]
L
W
Dimensions
[mm]
t
+0.15
0.55
-0.05
c
1206 [3216]
3.2 ±0.15
1.6 ±0.15
0.30 ±0.20
2010 [5025]
5.00 ±0.20
2.50 ±0.20
0.56 ±0.15
0.50 ±0.20
2512 [6432]
6.30 ±0.20
3.20 ±0.20
0.56 ±0.15
0.50 ±0.20
0.60 ±0.20
0.50
0.30
0.60
0.50
0.90
0.60
d
±0.20
±0.20
±0.20
±0.20
±0.20
±0.20
NOTES
1. Terminal:
Base Metal – Silver [Ag] or Copper [Cu] plate.
Barrier Plating - Nickel [Ni].
Finish Plating – Matte Tin [Sn].
RECOMMENDED LAND PATTERN
Type
73WL4
73WE4
73WL6
73WE6
73WL7
73WE7
Dimensions
[mm]
C
L
W
0.65 3.20 2.65
MARKING
Type
Part Marking
73WL4
Rxxx = "R" is the decimal
point and 3 digits [E24] are
significant values. See
resistor tables for codes.
73WL6
1.30 5.00 4.00
73WL7
1.45 6.40 4.85
73WE4
73WE6
73WE7
Document No. 008-0543-0
Page 3 - 4
None
Rev. B
Series 73WLx & 73WEx
Current Sensing Resistor – Wide Terminal
PACKAGING INFORMATION
PAPER TAPE
EMBOSSED TAPE
[mm]
[mm]
A
Type
73WL4
73WE4
2.00
B
+0.10
-0.15
3.57
Type
t
+0.10
-0.15
73WL6
73WE6
73WL7
73WE7
0.80 ±0.20
A
B
t
2.90 ±0.10
5.30 ±0.10
1.00 ±0.10
3.40 ±0.10
6.60 ±0.10
1.00 ±0.10
REEL
[mm]
Type
73WL4
73WE4
73WL6
73WE6
73WL7
73WE7
Quantity Per
Reel
W
5,000
13.0 ±1.4
4,000
17.0 ±1.4
4,000
17.0 ±1.4
Document No. 008-0543-0
M
A
B
C
D
180
2.5 ±0.6
13.5 ±0.6
21.9 ±0.6
60
Page 4 - 4
Rev. B
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