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Specifications
Power(Watts):
1W
Resistance:
91mΩ
Temperature Coefficient:
±350ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±5%
Mfr. Part #:
73WL6R091J
Package:
2010
Key Attributes
Model Number:
73WL6R091J
Product Description
Product Overview
The CTS 73WLx & 73WEx Series Current Sensing Resistors are ceramic packaged devices designed for accurate current detection and limiting. Featuring a thick film construction with a wide terminal configuration, these resistors offer excellent electrical and thermal characteristics, making them suitable for a variety of demanding applications.
Product Attributes
- Brand: CTS
- Origin: Not specified
- Material: Ceramic Package, Thick Film Construction
- Terminal Finish: Matte Tin (e3)
- Certifications: 73WEx Lead Free Design, 73WLX RoHS Compliant in Accordance with EU Directive 2011/65/EU and 2015/863 - Lead-Free Termination Finish - Exemption 7(c)-I
- Reflow Capable: per JEDEC J-STD-020, +260C maximum
- Packaging: Tape and Reel
Technical Specifications
| Model Type | Package Size [Inch (mm)] | Rated Power [Watts] @ +70C | Resistance Range [m] | Tolerance [%] | Temperature Coefficient | Operating Temperature Range [C] | Max Working Voltage [V] | Max Overload Voltage [V] |
|---|---|---|---|---|---|---|---|---|
| 73WL4 | 1206 [3216] | 0.75 | 10 - 910 | 1 | 200ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m) | -55 to +155 | 200 | 400 |
| 73WL6 | 2010 [5025] | 1.0 | 10 - 910 | 1 | 200ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m) | -55 to +155 | 200 | 400 |
| 73WL7 | 2512 [6432] | 2.0 | 10 - 910 | 1 | 200ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m) | -55 to +155 | 200 | 400 |
| 73WE4 | 1206 [3216] | 0.75 | 5 - 91 | 5 | 100ppm/C (10-91m), 500ppm/C (5-9m) | -55 to +155 | 200 | 400 |
| 73WE6 | 2010 [5025] | 1.0 | 5 - 91 | 5 | 100ppm/C (10-91m), 500ppm/C (5-9m) | -55 to +155 | 200 | 400 |
| 73WE7 | 2512 [6432] | 2.0 | 5 - 91 | 5 | 100ppm/C (10-91m), 500ppm/C (5-9m) | -55 to +155 | 200 | 400 |
Applications
- Current Detection
- Current Limiting
- Regulated Battery Circuits
- Motor Control
- Power Supply
- Hard Disk Drives
- Inverter/Converter
- Industrial Equipment
- Infotainment Systems
Environmental Parameters
| Test | Test Description | Maximum Delta R [%] |
|---|---|---|
| Temperature Coefficient | Measured temperature at -55C to 155C | 200ppm/C (Note 1) |
| Short-Time Overload | Apply 2.5 times the rated voltage, 5 seconds, maximum 100V | 2.0 |
| Insulation Resistance | Over 109 ohm Measured at terminals and center of resistor by D.C. 100V 15V in 1 minute [JIS C 5202] | - |
| Dielectric Withstanding Voltage | No Breakdown Applied at terminals and center of resistor on A.C. 400V, 1 minute [JIS C 5201-1 4.7] | - |
| Resistance to Solder Heat | No Damage Immerse in solder, +260C 5C, 10 1 seconds | 1.0 |
| Solderability | Over 95% Coverage Immerse terminal in solder [Sn3Ag0.5Cu], +245C 0.5C, 3 0.5 seconds [JIS C 5201-1 4.17] | - |
| High Temperature Exposure | 1,000 hours @ +155C 2C, bias load 0% power [JIS C 5201-1 4.23.2] | 3.0 |
| Change of Temperature | No Damage 30 minutes @ -55C, 10 minutes @ +25C, 30 minutes @ +155C, 10 minutes @ +25C; 1,000 cycles | 1.0 |
| Moisture Resistance | MIL-STD-202, Method 106, 0% power 7a and 7b not required, 1 cycle = 24 hours, 10 cycles | 1.0 |
| 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 | No Damage Immerse in Isopropyl alcohol, +20C to +25C, 60 5 seconds | - |
| Terminal Strength [Bending] | No Damage 3mm bending, 1mm/second, hold 5 seconds | 0.1 |
Note 1: Temperature Coefficient value varies by resistance range. Reference data sheet for specific value.
2411201003_CTS-73WL6R091J_C4357075.pdf
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