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Specifications
Power(Watts):
750mW
Resistance:
15mΩ
Temperature Coefficient:
±100ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±5%
Mfr. Part #:
73WE4R015J
Package:
1206
Key Attributes
Model Number:
73WE4R015J
Product Description
Product Overview
The 73WLx & 73WEx Series Current Sensing Resistors are ceramic packaged devices designed for accurate current detection and limiting. These resistors offer excellent electrical and thermal characteristics, making them suitable for a wide range of industrial and power supply applications.
Product Attributes
- Brand: CTS Corporation
- Product Series: 73WLx & 73WEx
- Construction: Thick Film
- Terminal Finish: Matte Tin (e3)
- Packaging: Tape and Reel
- Certifications/Compliance: RoHS Compliant (73WLX), Lead Free Design (73WEx)
- Applications: Current Detection, Current Limiting, Regulated Battery Circuits, Motor Control, Power Supply, Hard Disk Drives, Inverter/Converter, Industrial Equipment, Infotainment Systems
Technical Specifications
| Model | Package Size [Inch/mm] | Rated Power [Watts] @ +70C | Resistance Range [m] | Tolerance [%] | Temperature Coefficient | Operating Temperature Range | Max Working Voltage [V] | Max Overload Voltage [V] |
| 73WL4 / 73WE4 | 1206 [3216] | 0.75 | 10 - 910 | 1, 5 | 200ppm/C (for 100-910m), 500ppm/C (for 10-33m), 350ppm/C (for 36-91m) | -55C to +155C | 200 | 400 |
| 73WL6 / 73WE6 | 2010 [5025] | 1.0 | 10 - 910 | 1, 5 | 200ppm/C (for 100-910m), 500ppm/C (for 10-33m), 350ppm/C (for 36-91m) | |||
| 73WL7 / 73WE7 | 2512 [6432] | 2.0 | 5 - 910 | 1, 5 | 200ppm/C (for 100-910m), 500ppm/C (for 10-33m), 350ppm/C (for 36-91m) | |||
| 73WL4 (specific) | 1206 [3216] | 0.75 | 10 - 91 | 1 | 200ppm/C | |||
| 73WL6 (specific) | 2010 [5025] | 1.0 | 10 - 91 | 1 | 200ppm/C | |||
| 73WL7 (specific) | 2512 [6432] | 2.0 | 10 - 91 | 1 | 200ppm/C |
Environmental Specifications
| Test Description | Test Method | Maximum Delta R [%] | Notes |
| Temperature Coefficient | 200ppm/C | Measured at -55C to 155C. Value varies by resistance range. | |
| Short-Time Overload | Apply 2.5 times the rated voltage, 5 seconds | 2.0 | Maximum 100V |
| Insulation Resistance | Measured at terminals and center of resistor by D.C. 100V in 1 minute [JIS C 5202] | Over 109 ohm | 15V |
| Dielectric Withstanding Voltage | Applied at terminals and center of resistor on A.C. 400V, 1 minute [JIS C 5201-1 4.7] | No Breakdown | |
| Resistance to Solder Heat | Immerse in solder, +260C 5C, 10 1 seconds | 1.0 | No Damage |
| Solderability | Immerse terminal in solder [Sn3Ag0.5Cu], +245C 0.5C, 3 0.5 seconds [JIS C 5201-1 4.17] | Over 95% Coverage | |
| High Temperature Exposure | 1,000 hours @ +155C 2C, bias load 0% power [JIS C 5201-1 4.23.2] | 3.0 | |
| Change of Temperature | 30 minutes @ -55C, 10 minutes @ +25C, 30 minutes @ +155C, 10 minutes @ +25C; 1,000 cycles | 1.0 | No Damage |
| Moisture Resistance | MIL-STD-202, Method 106, 0% power | 1.0 | 7a and 7b not required, 1 cycle = 24 hours, 10 cycles |
| Bias Humidity | 1,000 hours @ +85C 2C, 90% - 95% relative humidity, bias load 10%, on time 90 minutes/off time 30 minutes | 3.0 | |
| Endurance [Rated Load] | 1,000 hours @ +70C 3C, bias load, on time 90 minutes/off time 30 minutes | 3.0 | |
| Resistance to Solvent | Immerse in Isopropyl alcohol, +20C to +25C, 60 5 seconds | No Damage | |
| Terminal Strength [Bending] | 3mm bending, 1mm/second, hold 5 seconds | 0.1 | No Damage |
Mechanical Specifications
| Model Type | Package Code [Inch/mm] | Dimensions [mm] (L x W x C) | Recommended Pad Layout [mm] (t x d) |
| 73WL4 / 73WE4 | 1206 [3216] | 6.4 x 4.85 x 1.45 | 1.6 x 0.56 |
| 73WL6 / 73WE6 | 2010 [5025] | 5.0 x 3.2 x 0.65 | 1.3 x 0.5 |
| 73WL7 / 73WE7 | 2512 [6432] | 6.3 x 3.2 x 0.56 | 1.3 x 0.5 |
2411201003_CTS-73WE4R015J_C4343755.pdf
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