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Specifications
Resistance:
22mΩ
Power(Watts):
2W
Temperature Coefficient:
±100ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±5%
Mfr. Part #:
73WE7R022J
Package:
2512
Key Attributes
Model Number:
73WE7R022J
Product Description
Product Overview
The 73WLx & 73WEx Series Current Sensing Resistors are ceramic packaged devices designed for accurate current detection and limiting. These resistors offer excellent electrical and thermal characteristics, making them suitable for a wide range of applications including motor control, power supplies, and industrial equipment.
Product Attributes
- Brand: CTS Corporation
- Construction: Thick Film
- Terminal Finish: Matte Tin (e3)
- Certifications: RoHS Compliant (73WLX) in Accordance with EU Directive 2011/65/EU and 2015/863 - Lead-Free Termination Finish - Exemption 7(c)-I, Electrical and electronic components containing lead [Pb] in glass
- Packaging: Tape and Reel
- Reflow Capable: per JEDEC J-STD-020, +260C maximum
Technical Specifications
| Model Type | Package Size [Inch/mm] | Rated Power [Watts] @ +70C | Resistance Range [m] | Resistance Tolerance [%] | Temperature Coefficient | Operating Temperature Range | Working Voltage [max V] | Overload Voltage [max V] |
| 73WL4 | 1206 [3216] | 0.75 | 10 - 91 [1%], 5 - 91 [5%] | 1, 5 | 200ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m) | -55C to +155C | 200 | 400 |
| 73WE4 | 1206 [3216] | 0.75 | 10 - 91 [1%], 5 - 91 [5%] | 1, 5 | 100ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m) | |||
| 73WL6 | 2010 [5025] | 1.0 | 10 - 91 [1%], 5 - 91 [5%] | 1, 5 | 200ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m) | -55C to +155C | 200 | 400 |
| 73WE6 | 2010 [5025] | 1.0 | 10 - 91 [1%], 5 - 91 [5%] | 1, 5 | 100ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m) | |||
| 73WL7 | 2512 [6432] | 2.0 | 10 - 91 [1%], 5 - 91 [5%] | 1, 5 | 200ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m) | -55C to +155C | 200 | 400 |
| 73WE7 | 2512 [6432] | 2.0 | 10 - 91 [1%], 5 - 91 [5%] | 1, 5 | 100ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m) |
Environmental Parameters
| Test | Test Description | Maximum Delta R [%] |
| Temperature Coefficient | 1 Measured temperature at -55C to 155C | 200ppm/C |
| Short-Time Overload | Apply 2.5 times the rated voltage, 5 seconds, maximum 100V | 2.0 |
| Insulation Resistance | Over 10 9 ohm Measured at terminals and center of resistor by D.C. 100V 15V in 1 minute [JIS C 5202] | - |
| Dielectric Withstanding Voltage | No Breakdown Applied at terminals and center of resistor on A.C. 400V, 1 minute [JIS C 5201-1 4.7] | - |
| Resistance to Solder Heat | No Damage Immerse in solder, +260C 5C, 10 1 seconds | 1.0 |
| Solderability | Over 95% Coverage Immerse terminal in solder [Sn3Ag0.5Cu], +245C 0.5C, 3 0.5 seconds [JIS C 5201-1 4.17] | - |
| High Temperature Exposure | 1,000 hours @ +155C 2C, bias load 0% power [JIS C 5201-1 4.23.2] | 3.0 |
| Change of Temperature | 30 minutes @ -55C, 10 minutes @ +25C, 30 minutes @ +155C, 10 minutes @ +25C; 1,000 cycles | 1.0 |
| Moisture Resistance | MIL-STD-202, Method 106, 0% power 7a and 7b not required, 1 cycle = 24 hours, 10 cycles | 1.0 |
| Bias Humidity | 1,000 hours @ +85C 2C, 90% - 95% relative humidity, bias load 10%, on time 90 minutes/off time 30 minutes | 3.0 |
| Endurance [Rated Load] | 1,000 hours @ +70C 3C, bias load, on time 90 minutes/off time 30 minutes | 3.0 |
| Resistance to Solvent | No Damage Immerse in Isopropyl alcohol, +20C to +25C, 60 5 seconds | - |
| Terminal Strength [Bending] | 3mm bending, 1mm/second, hold 5 seconds | 0.1 |
Mechanical Specifications
Package Dimensions [mm]
| Model Type | C | L | W |
| 73WL4 | 0.65 | 3.2 | 2.65 |
| 73WE4 | 0.65 | 3.2 | 2.65 |
| 73WL6 | 1.3 | 5.0 | 4.0 |
| 73WE6 | 1.3 | 5.0 | 4.0 |
| 73WL7 | 0.5 | 5.0 | 4.0 |
| 73WE7 | 0.5 | 5.0 | 4.0 |
Recommended Pad Layout [mm]
| Model Type | Dimensions [mm] |
| 73WL4 | 0.5 0.2, 0.3 0.2 |
| 73WE4 | 0.5 0.2, 0.3 0.2 |
| 73WL6 | 0.6 0.2, 0.5 0.2 |
| 73WE6 | 0.6 0.2, 0.5 0.2 |
| 73WL7 | 0.5 0.2, 0.3 0.2 |
| 73WE7 | 0.5 0.2, 0.3 0.2 |
Terminal Details
Base Metal - Silver [Ag] or Cooper [Cu] plate. Barrier Plating Nickel [Ni]. Finish Plating Matte Tin [Sn].
Packaging Information
Tape and Reel Information [mm]
| Model Type | Paper Tape [mm] A | Paper Tape [mm] B | Paper Tape [mm] t | Embossed Tape [mm] A | Embossed Tape [mm] B | Embossed Tape [mm] t |
| 73WL4 | 2.00 | 3.57 | 1.0 0.1 | 6.6 0.1 | 5.3 0.1 | 0.80 0.20 |
| 73WL6 | 2.00 | 3.57 | 1.0 0.1 | 6.6 0.1 | 5.3 0.1 | 0.80 0.20 |
| 73WL7 | 2.00 | 3.57 | 1.0 0.1 | 6.6 0.1 | 5.3 0.1 | 0.80 0.20 |
| 73WE4 | 2.00 | 3.57 | 1.0 0.1 | 6.6 0.1 | 5.3 0.1 | 0.80 0.20 |
| 73WE6 | 2.00 | 3.57 | 1.0 0.1 | 6.6 0.1 | 5.3 0.1 | 0.80 0.20 |
| 73WE7 | 2.00 | 3.57 | 1.0 0.1 | 6.6 0.1 | 5.3 0.1 | 0.80 0.20 |
Reel [mm]
| Model Type | Quantity Per Reel | Reel [mm] W | Reel [mm] M | Reel [mm] A | Reel [mm] B | Reel [mm] C | Reel [mm] D |
| 73WL4 | 4,000 | 60 | 21.9 0.6 | 13.5 0.6 | 2.5 0.6 | 180 | - |
| 73WE4 | 4,000 | 60 | 21.9 0.6 | 13.5 0.6 | 2.5 0.6 | 180 | - |
| 73WL6 | 4,000 | 60 | 21.9 0.6 | 13.5 0.6 | 2.5 0.6 | 180 | - |
| 73WE6 | 4,000 | 60 | 21.9 0.6 | 13.5 0.6 | 2.5 0.6 | 180 | - |
| 73WL7 | 5,000 | 60 | 17.0 1.4 | 13.0 1.4 | 2.5 0.6 | 180 | - |
| 73WE7 | 5,000 | 60 | 17.0 1.4 | 13.0 1.4 | 2.5 0.6 | 180 | - |
2411201003_CTS-73WE7R022J_C4319670.pdf
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