Thick film current sensing resistor CTS 73L7R39F with matte tin terminal finish and RoHS compliance
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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 good 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
Technical Specifications
| Model Type | Rated Wattage (1) [Watts] @ +70C | Resistance Range [mOhm] | 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)) | 200V |
| 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 (Dimensions in mm)
| Model Type | Package Code Inch [mm] | L | W | t | A | B | C |
| 73L1 | 0402 [1005] | 2.00 0.10 | 0.25 0.10 | 0.25 0.10 | 0.60 | 2.00 | 0.70 |
| 73L2 | 0603 [1608] | 0.80 +0.20 -0.10 | 0.50 +0.15 -0.05 | 0.25 0.20 | 1.00 | 3.00 | 1.20 |
| 73L3 / 73E3 | 0805 [2012] | 2.00 +0.20 -0.10 | 1.25 +0.20 -0.10 | 0.50 +0.15 -0.05 | 1.20 | 4.00 | 1.65 |
| 73L4 / 73E4 | 1206 [3216] | 3.20 +0.10 -0.15 | 1.60 +0.10 -0.15 | 0.55 +0.15 -0.05 | 2.20 | 5.00 | 2.00 |
| 73L5 | 1210 [3225] | 3.20 +0.10 -0.15 | 2.60 +0.10 -0.15 | 0.55 +0.15 -0.05 | 2.20 | 5.00 | 2.90 |
| 73L6 / 73E6 | 2010 [5025] | 6.30 0.15 | 5.00 0.15 | 1.60 0.15 | 3.20 | 6.60 | 3.00 |
| 73L7 | 2512 [6432] | 6.30 0.15 | 5.00 0.15 | 1.60 0.15 | 4.20 | 8.20 | 3.70 |
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Company
Beijing Silk Road Enterprise Management Services Co., Ltd.
Location
16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person
Sellina