Description
CRCW0805430RFKEA Thick Film Chip Resistor 430R 0.125W ±1% (0805) — BOLTON SKU 67776.
About the CRCW0805430RFKEA Resistor, 430R 0.125W 1%
The CRCW0805430RFKEA thick film resistor is a Vishay Dale D/CRCW e3 standard thick film chip resistor in the 0805 case size, rated 0.125 W at 70 °C. Its ordering code gives a nominal resistance of 430 Ω with ±1 % tolerance (code F), a ±100 ppm/K temperature coefficient (code K) and an e3 pure tin termination finish. A 430 Ω element at 0.125 W will carry roughly 17 mA before the rated dissipation is reached, so unlike very high resistances the power rating here is a real design constraint rather than a formality, and the current through the part has to be checked. Mid-hundreds of ohms is the classic current-setting region: large enough to limit current usefully from a low-voltage rail, small enough that the node stays low-impedance and comparatively immune to leakage and noise pickup.
Key specifications
| Attribute | Value |
|---|---|
| Manufacturer part number | CRCW0805430RFKEA |
| Manufacturer | Vishay Dale |
| Series | D/CRCW e3 standard thick film |
| Resistance | 430 Ω (430R) |
| Tolerance | ±1 % (code F) |
| Temperature coefficient | ±100 ppm/K (code K) |
| Rated dissipation P70 | 0.125 W |
| Case size | 0805 imperial (RR2012M metric) |
| Termination finish | e3, pure tin |
Typical applications
430 Ω ±1 % is commonly used as a series current-limiting resistor for indicator LEDs and opto-coupler input diodes on 5 V and 12 V rails, as a damping or series-termination element on short digital lines, and as a gate or base drive resistor in small switching stages. The ±1 % tolerance matters where LED brightness or opto current-transfer ratio has to be repeatable across a production run rather than merely adequate. The 0.125 W rating comfortably covers the sub-20 mA currents these roles involve.
Supplied by BOLTON Technical Equipment Supplies against request for quotation. Add this item to your RFQ basket to request pricing, lead time and documentation requirements (e.g. CoC, datasheets or test reports where applicable).
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