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Specifications
Resistance:
180Ω
Power(Watts):
1.5W
Voltage Rating:
200V
Temperature Coefficient:
±100ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±5%
Mfr. Part #:
WK73R3ATTE181J
Package:
1225
Key Attributes
Model Number:
WK73R3ATTE181J
Product Description
Product Overview
The WK73R series are wide terminal type flat chip resistors featuring high reliability and performance. They are suitable for both reflow and flow solderings and meet EU-RoHS requirements. These resistors are designed for applications such as power supply circuits, ECUs, and automotive-related systems.
Product Attributes
- Brand: KOA
- Product Type: Flat Chip Resistors (Wide Terminal Type)
- Coating Color: Black
- Material: Thick Film
- Certifications: EU-RoHS compliant (excluding Pb-glass in electrode, resistor element, and glass), AEC-Q200 qualified
- Reference Standards: IEC 60115-8, JIS C 5201-8, EIAJ RC-2134C
Technical Specifications
| Type | Power Rating | Resistance Tolerance | T.C.R. (106/K) | Resistance Range () | Max. Working Voltage | Max. Overload Voltage | Taping & Q'ty/Reel (pcs) |
| WK73R1E | 0.33W*1 | D: 0.5%, F: 1% | 100 | 101M | 75V | 100V | TP: 10,000 |
| WK73R1J | 0.5W*1 | D: 0.5%, F: 1% | 100 | 101M | 150V | 200V | TD: 5,000 |
| WK73R2A | 0.75W*1 | D: 0.5%, F: 1% | 100 | 20.5k1M (D), 22k1M (F) | 200V | 400V | TD: 5,000 |
| WK73R2A | 1W*1 | D: 0.5%, F: 1% | 100 | 1020k | - | - | - |
| WK73R2B | 0.75W | D: 0.5%, F: 1%, J: 5% | 100 | 101M | - | - | TP: 5,000 |
| WK73R2B | 1W*1 | D: 0.5%, F: 1%, J: 5% | 100 | 109.76k (D,F), 109.1k (J) | - | - | TD: 5,000 |
| WK73R2H | 1W | D: 0.5%, F: 1%, J: 5% | 100 | 10430k (D,F), 470k1M (J) | - | - | TE: 4,000 |
| WK73R2J | 1W | D: 0.5%, F: 1%, J: 5% | 100 | 10510k (D,F), 560k1M (J) | - | - | TE: 4,000 |
| WK73R3A | 1.5W | D: 0.5%, F: 1%, J: 5% | 100 | 10330k (D,F), 360k1M (J) | - | - | TE: 4,000 |
| WK73R3A | 2W*1 | D: 0.5%, F: 1%, J: 5% | 100 | 10330k (D,F), 360k1M (J) | - | - | - |
Note: *1 indicates derating curves based on terminal temperature should be used.
2409300002_KOA-WK73R3ATTE181J_C340329.pdf
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