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Specifications
Power(Watts):
250mW
Resistance:
270mΩ
Mounting Type:
SMD
Current Rating:
-
Voltage Rating:
-
Type:
Current Sense Resistor
Temperature Coefficient:
±100ppm/℃
Tolerance:
±1%
Mfr. Part #:
73L4R27F
Package:
1206
Key Attributes
Model Number:
73L4R27F
Product Description
CTS 73Lx & 73Ex Series Current Sensing Resistor Flat Terminal Chip
The 73Lx & 73Ex Series Current Sensing Resistors are ceramic packaged devices designed for accurate current detection. They offer excellent electrical and thermal characteristics, making them suitable for a wide range of applications including current detection, current limiting, regulated battery circuits, motor control, power supplies, hard disk drives, inverters/converters, industrial equipment, and infotainment systems.
Product Attributes
- Brand: CTS
- 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 @ +70C) [W] | Resistance Range [m] | Resistance Tolerance [%] | Temperature Coefficient | Operating Temperature Range [C] | Working Voltage [max V] | Overload Voltage [max] |
|---|---|---|---|---|---|---|---|
| 73L1 | 0.100 | 200 - 910 | F=1, G=2, J=5 | 100ppm/C | -55 to +155 | 100V (V=(P*R)) | 200V |
| 73L2 | 0.100 | 200 - 910 | F=1, G=2, J=5 | 200ppm/C | -55 to +155 | 100V (V=(P*R)) | 200V |
| 73L3 | 0.125 | 100 - 910 | F=1, G=2, J=5 | 200ppm/C | -55 to +155 | 100V (V=(P*R)) | 200V |
| 73L4 | 0.250 | 100 - 910 | F=1, G=2, J=5 | 200ppm/C | -55 to +155 | 100V (V=(P*R)) | 200V |
| 73L5 | 0.500 | 100 - 910 | F=1, G=2, J=5 | 200ppm/C | -55 to +155 | 100V (V=(P*R)) | 200V |
| 73L6 | 0.750 | 100 - 910 | F=1, G=2, J=5 | 200ppm/C | -55 to +155 | 100V (V=(P*R)) | 200V |
| 73L7 | 1.000 | 100 - 910 | F=1, G=2, J=5 | 200ppm/C | -55 to +155 | 100V (V=(P*R)) | 200V |
| 73E3 | 0.250 | 50 - 91 | F=1, J=5 | 100ppm/C | -55 to +155 | --- | --- |
| 73E4 | 0.500 | 50 - 91 | F=1, J=5 | 100ppm/C | -55 to +155 | --- | --- |
| 73E6 | 1.000 | 50 - 91 | F=1, J=5 | 100ppm/C | -55 to +155 | --- | --- |
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-73L4R27F_C2121471.pdf
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