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Specifications
Power(Watts):
100mW
Resistance:
200mΩ
Mounting Type:
SMD
Current Rating:
-
Voltage Rating:
-
Type:
Current Sense Resistor
Temperature Coefficient:
±300ppm/℃
Tolerance:
±2%
Mfr. Part #:
73L1R20G
Package:
0402
Key Attributes
Model Number:
73L1R20G
Product Description
CTS 73Lx & 73Ex Series Current Sensing Resistors
The CTS 73Lx & 73Ex Series are ceramic-packaged current sensing resistors designed for excellent accuracy in current detection and limiting applications. These resistors offer good electrical and thermal characteristics, making them suitable for a wide range of industrial and electronic systems.
Product Attributes
- Brand: CTS
- Construction: Thick Film
- Terminal Finish: Matte Tin (e3)
- Certifications: RoHS Compliant in Accordance with EU Directive 2011/65/EU - Lead-Free Termination Finish - Exemption 7(c)-I, Electrical and electronic components containing lead [Pb] in glass
- Packaging: Tape and Reel
Technical Specifications
| Model Type | Rated Wattage (1) [Watts] @ +70C | Resistance Range [m] | Resistance Tolerance [%] | Temperature Coefficient | Operating Temperature Range | Working Voltage [maximum V] | Overload Voltage [maximum] |
| 73L1 | 0.100 | 100 - 910 | F [1], G [2], J [5] | 100ppm/C | -55C to +155C | 100V | V=(P*R) |
| 73L2 | 0.100 | 100 - 910 | F [1], G [2], J [5] | 200ppm/C | |||
| 73L3 | 0.125 | 100 - 910 | F [1], G [2], J [5] | 200ppm/C | |||
| 73L4 | 0.250 | 100 - 910 | F [1], G [2], J [5] | 200ppm/C | |||
| 73L5 | 0.500 | 100 - 910 | F [1], G [2], J [5] | 200ppm/C | |||
| 73L6 | 0.750 | 100 - 910 | F [1], G [2], J [5] | 200ppm/C | |||
| 73L7 | 1.000 | 100 - 910 | F [1], G [2], J [5] | 200ppm/C | |||
| 73E3 | 0.250 | 50 - 91 | F [1], J [5] | 100ppm/C | -55C to +155C | --- | --- |
| 73E4 | 0.500 | 50 - 91 | F [1], J [5] | 100ppm/C | |||
| 73E6 | 1.000 | 50 - 91 | F [1], J [5] | 100ppm/C |
Environmental Parameters
| Test Description | Maximum Delta R [%] | Test Conditions |
| Thermal Cycle | 5.00 | 5 cycles -55C to +125C |
| Short Time Overload | 2.50 | 2 times rated working voltage for 5 seconds |
| Moisture Resistance | 3.00 | 240 hours; +40C, 90% RH |
| High Temperature Exposure | 3.00 | 1,000 hours @ +155C, no load |
| Load Life | 5.00 | 1,000 hours @ +70C, rated load |
| Resistance to Solder Heat | 3.00 | 10 seconds @ +260C solder |
| Resistance to Solvents | - | Isopropyl alcohol, Freon TMC |
| Solderability | - | RMA Flux, +230C, 5 seconds dip, 95% coverage |
Mechanical Specifications
| Model Type | Package Code [mm] | Dimensions [mm] (L x W x T) |
| 73L1 | 0402 [1005] | 2.00 x 0.70 x 0.60 |
| 73L2 | 0603 [1608] | 3.00 x 1.20 x 1.00 |
| 73L3 / 73E3 | 0805 [2012] | 4.00 x 1.65 x 1.20 |
| 73L4 / 73E4 | 1206 [3216] | 5.00 x 2.00 x 2.20 |
| 73L5 | 1210 [3225] | 5.00 x 2.90 x 2.20 |
| 73L6 / 73E6 | 2010 [5025] | 6.60 x 3.00 x 3.20 |
| 73L7 | 2512 [6432] | 8.20 x 3.70 x 4.20 |
2411041627_CTS-73L1R20G_C2106386.pdf
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