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Specifications
Power(Watts):
125mW
Resistance:
430mΩ
Mounting Type:
SMD
Current Rating:
-
Voltage Rating:
-
Type:
Current Sense Resistor
Temperature Coefficient:
±200ppm/℃
Tolerance:
±2%
Mfr. Part #:
73L3R43G
Package:
0805
Key Attributes
Model Number:
73L3R43G
Product Description
73Lx & 73Ex Series Current Sensing Resistor Flat Terminal Chip
The 73Lx & 73Ex Series Current Sensing Resistors are ceramic packaged devices designed for excellent accuracy in current detection 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 Corporation
- Construction: Thick Film
- Terminal Finish: Matte Tin (e3)
- Packaging: Tape and Reel
- 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
Technical Specifications
| Model Type | Rated Wattage (1) [Watts] @ +70C | Resistance Range [miliohms] | Resistance Tolerance [%] | Temperature Coefficient | Operating Temperature Range [C] | Working Voltage [maximum V] | Overload Voltage [maximum] |
| 73L1 | 0.100 | 200 - 910 | F = 1, G = 2, J = 5 | 100ppm/C | -55C to +155C | 200 | V=(P*R) |
| 73L2 | 0.100 | 200 - 910 | F = 1, G = 2, J = 5 | 100ppm/C | -55C to +155C | 200 | V=(P*R) |
| 73L3 | 0.125 | 100 - 910 | F = 1, G = 2, J = 5 | 200ppm/C | -55C to +155C | 200 | V=(P*R) |
| 73L4 | 0.250 | 100 - 910 | F = 1, G = 2, J = 5 | 200ppm/C | -55C to +155C | 200 | V=(P*R) |
| 73L5 | 0.500 | 100 - 910 | F = 1, G = 2, J = 5 | 200ppm/C | -55C to +155C | 200 | V=(P*R) |
| 73L6 | 0.750 | 100 - 910 | F = 1, G = 2, J = 5 | 200ppm/C | -55C to +155C | 200 | V=(P*R) |
| 73L7 | 1.000 | 100 - 910 | F = 1, G = 2, J = 5 | 200ppm/C | -55C to +155C | 200 | V=(P*R) |
| 73E3 | 0.250 | 50 - 91 | F = 1, J = 5 | 100ppm/C | -55C to +155C | 100 | --- |
| 73E4 | 0.500 | 50 - 91 | F = 1, J = 5 | 100ppm/C | -55C to +155C | 100 | --- |
| 73E6 | 1.000 | 50 - 91 | F = 1, J = 5 | 100ppm/C | -55C to +155C | 100 | --- |
Applications
- Current Detection
- Current Limiting
- Regulated Battery Circuits
- Motor Control
- Power Supply
- Hard Disk Drives
- Inverter/Converter
- Industrial Equipment
- Infotainment Systems
Environmental Parameters
| Test Description | Maximum Delta R [%] | 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 |
2411041627_CTS-73L3R43G_C2111411.pdf
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