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Specifications
Power(Watts):
1W
Resistance:
649Ω
Temperature Coefficient:
±100ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±1%
Mfr. Part #:
WK73R2JTTE6490F
Package:
SMD,4.6x3.1mm
Key Attributes
Model Number:
WK73R2JTTE6490F
Product Description
Product Overview
The WK73R is a wide-terminal type flat chip resistor designed for high reliability and performance. It features a reverse-geometry construction, T.C.R. of 100 x 10/K, and resistance tolerances as tight as 0.5%. These resistors meet EU RoHS requirements and are AEC-Q200 tested, making them suitable for various environmental applications.
Product Attributes
- Brand: KOA Speer Electronics, Inc.
- Certifications: AEC-Q200 Tested, EU RoHS compliant (for lead-free terminations)
- Construction: Wide-side termination (reverse-geometry) type flat chip resistor
- Materials: Ceramic Substrate, Resistive Film, Inner Electrode, Protective Coating, Solder Plating, Ni Plating
Technical Specifications
| Type | Inch Size Code | Power Rating | Resistance Range () | Resistance Tolerance | T.C.R. (X 10/K) | Max. Working Voltage | Max. Overload Voltage | Operating Temp. Range (C) | Rated Terminal Part Temp. (C) | Rated Ambient Temp. (C) |
| WK73R1E | 1E (0204) | 0.33W | 10 - 1M | 1%, 5% | 100, 200 | 75V | 100V | -55 to +155 | 125 | 70 |
| WK73R1J | 1J (0306) | 0.5W | 10 - 1M | 1%, 5% | 100, 200 | 150V | 200V | -55 to +155 | 125 | 70 |
| WK73R2A | 2A (0508) | 0.75W, 1W | 10 - 1M | 1%, 5% | 100, 200 | 150V, 200V | 200V, 400V | -55 to +155 | 125 | 70 |
| WK73R2B | 2B (0612) | 0.75W, 1W | 10 - 1M | 0.5%, 1%, 5% | 100, 200 | 150V, 200V | 200V, 400V | -55 to +155 | 115, 125 | 70 |
| WK73R2H | 2H (1020) | 1W | 10 - 1M | 0.5%, 1%, 5% | 100, 200 | 200V | 400V | -55 to +155 | 125 | 70 |
| WK73R3A | 3A (1225) | 1.5W, 2W | 10 - 1M | 0.5%, 1%, 5% | 100, 200 | 200V | 400V | -55 to +155 | 115, 125 | 70 |
2411041557_KOA-WK73R2JTTE6490F_C4062162.pdf
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