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Specifications
Power(Watts):
250mW
Resistance:
390mΩ
Mounting Type:
SMD
Current Rating:
-
Voltage Rating:
-
Type:
Current Sense Resistor
Temperature Coefficient:
±200ppm/℃
Tolerance:
±5%
Mfr. Part #:
73L4R39J
Package:
1206
Key Attributes
Model Number:
73L4R39J
Product Description
CTS 73Lx & 73Ex Series Current Sensing Resistor Flat Terminal Chip
The CTS 73Lx & 73Ex Series Current Sensing Resistors are ceramic packaged devices designed for excellent accuracy in current detection applications. These resistors offer robust electrical and thermal characteristics, making them suitable for 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
- Origin: USA (Implied by CTS Corp and website)
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) |
| 73L2 | 0.100 | 200 - 910 | F=1, G=2, J=5 | 200ppm/C | -55 to +155 | 100V | V=(P*R) |
| 73L3 | 0.125 | 100 - 910 | F=1, G=2, J=5 | 200ppm/C | -55 to +155 | 100V | V=(P*R) |
| 73L4 | 0.250 | 100 - 910 | F=1, G=2, J=5 | 200ppm/C | -55 to +155 | 100V | V=(P*R) |
| 73L5 | 0.500 | 100 - 910 | F=1, G=2, J=5 | 200ppm/C | -55 to +155 | 100V | V=(P*R) |
| 73L6 | 0.750 | 100 - 910 | F=1, G=2, J=5 | 200ppm/C | -55 to +155 | 100V | V=(P*R) |
| 73L7 | 1.000 | 100 - 910 | F=1, G=2, J=5 | 200ppm/C | -55 to +155 | 100V | V=(P*R) |
| 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 |
Mechanical Specifications
| Model Type | Package Code | 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-73L4R39J_C2114031.pdf
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