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Specifications
Power(Watts):
1W
Resistance:
274Ω
Temperature Coefficient:
±100ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±1%
Mfr. Part #:
WK73R2BTTD2740F
Package:
0612
Key Attributes
Model Number:
WK73R2BTTD2740F
Product Description
Product Overview
The WK73R series are thick film chip resistors featuring long-side electrodes. These high-reliability, high-performance products offer a resistance tolerance of 0.5% and a temperature coefficient of 10010-6/K. They are compatible with reflow and wave soldering and comply with EU RoHS directives (excluding lead glass in electrodes, resistive film, and glass). AEC-Q200 data is available. Ideal for power circuits, ECUs, and automotive applications.
Product Attributes
- Brand: (Implied, not explicitly stated)
- Origin: (Not specified)
- Material: Ceramic substrate, resistive film, protection film, internal electrode, nickel plating, tin plating
- Color: Black
- Certifications: EU RoHS (excluding specific lead glass components), AEC-Q200
Technical Specifications
| Model (Size Code) | Dimensions (L x W) (mm) | Rated Power (W) | Resistance Value Range () | Resistance Tolerance (%) | Temp. Coefficient (10-6/K) | Max. Operating Voltage (V) | Operating Temp. Range () | Packaging (pcs/reel) |
| WK73R1E (0510) | 1.0 0.05 x 0.5 0.05 | 0.33* | 10 1M | 0.5, 1, 5 | 100 | 75 / 100 | -55 to +155 | 10,000 |
| WK73R1J (0816) | 1.6 0.1 x 0.8 0.1 | 0.5* | 10 1M | 0.5, 1, 5 | 100 | 150 / 200 | -55 to +155 | 5,000 |
| WK73R2A (1220) | 2.0 0.15 x 1.25 0.15 | 0.75* / 1* | 10 1M (varies by tolerance) | 0.5, 1, 5 | 100 | 200 / 400 | -55 to +155 | 5,000 |
| WK73R2B (1632) | 3.2 0.2 x 1.6 0.15 | 0.75 / 1* | 10 1M | 0.5, 1, 5 | 100 | - | -55 to +155 | 5,000 |
| WK73R2H (2550) | 5.0 0.15 x 2.5 0.15 | 1 | 10 1M (varies by tolerance) | 0.5, 1, 5 | 100 | - | -55 to +155 | 4,000 |
| WK73R2J (3146) | 4.6 0.15 x 3.1 0.15 | 1 | 10 1M (varies by tolerance) | 0.5, 1, 5 | 100 | - | -55 to +100 | 4,000 |
| WK73R3A (3264) | 6.3 0.15 x 3.2 0.2 | 1.5 / 2* | 10 1M (varies by tolerance) | 0.5, 1, 5 | 100 | - | -55 to +155 | 4,000 |
*Note: When using at the specified rated power, do not exceed the rated terminal temperature. Refer to the power derating curve for terminal temperature.
2009101908_KOA-WK73R2BTTD2740F_C782256.pdf
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