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Specifications
Power(Watts):
1W
Resistance:
9mΩ
Temperature Coefficient:
±100ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±5%
Mfr. Part #:
73WE6R009J
Package:
2010
Key Attributes
Model Number:
73WE6R009J
Product Description
Product Overview
The 73WLx & 73WEx Series Current Sensing Resistors are ceramic packaged devices designed for accurate current detection and limiting. They offer excellent electrical and thermal characteristics, making them suitable for a wide range of industrial and electronic applications.
Product Attributes
- Brand: CTS Corporation
- Series: 73WLx & 73WEx
- Construction: Thick Film
- Terminal Finish: Matte Tin (e3)
- Certifications: 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] | Resistor Tolerance [%] | Temperature Coefficient | Operating Temperature Range | Working Voltage [max V] | Overload Voltage [max 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) | -55C to +155C | 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 Description | Maximum Delta R [%] | Test Conditions |
| Temperature Coefficient | 200ppm/C 1 | Measured temperature at -55C to 155C |
| Short-Time Overload | 2.0 | Apply 2.5 times the rated voltage, 5 seconds, maximum 100V |
| 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 | 1.0 | Immerse in solder, +260C 5C, 10 1 seconds |
| 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 | 3.0 | 1,000 hours @ +155C 2C, bias load 0% power [JIS C 5201-1 4.23.2] |
| Change of Temperature | 1.0 | 30 minutes @ -55C, 10 minutes @ +25C, 30 minutes @ +155C, 10 minutes @ +25C; 1,000 cycles |
| Moisture Resistance | 1.0 | MIL-STD-202, Method 106, 0% power (7a and 7b not required), 1 cycle = 24 hours, 10 cycles |
| Bias Humidity | 3.0 | 1,000 hours @ +85C 2C, 90% - 95% relative humidity, bias load 10%, on time 90 minutes/off time 30 minutes |
| Endurance [Rated Load] | 3.0 | 1,000 hours @ +70C 3C, bias load, on time 90 minutes/off time 30 minutes |
| Resistance to Solvent | No Damage | Immerse in Isopropyl alcohol, +20C to +25C, 60 5 seconds |
| Terminal Strength [Bending] | 0.1 | No Damage |
Mechanical Specifications
Dimensions [mm]
| Model Type | C | L | W |
| 73WL4 / 73WE4 | 1.45 | 6.4 | 4.85 |
| 73WL6 / 73WE6 | 0.65 | 3.2 | 2.65 |
| 73WL7 / 73WE7 | 1.3 | 5.0 | 4.0 |
Terminal Details
Base Metal - Silver [Ag] or Cooper [Cu] plate. Barrier Plating Nickel [Ni]. Finish Plating Matte Tin [Sn].
2411201003_CTS-73WE6R009J_C4312153.pdf
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