GBP
The ROYALOHM KNP03SJ0221A19 is a precision 220 Ω ±5% wirewound resistor, purpose-built for B2B and technical applications. Featuring a robust 3 W (3 W‑S series) power rating, this axial through‑hole resistor offers reliable performance, exceptional heat dissipation, and compact construction, measuring 5.5 mm in diameter and 16 mm in length.
Key Specifications & Technical Advantages
- Resistance: 220 Ω ±5% tolerance ensures precise standard resistance value for circuit design stability.
- Power Handling: Rated at 3 W, designed to withstand sustained power demands typical of industrial and appliance use.
- Voltage Capability: Supports up to 500 V working voltage, well above average competing products, delivering enhanced safety and margin headroom.
- Temperature Stability: With a 400 ppm/°C temperature coefficient, this resistor maintains consistent resistance across wide thermal ranges, ensuring reliability under fluctuating environmental conditions.
- Construction Quality: Encased in a flame‑retardant silicone resin, the ceramic‑former resistor offers outstanding heat dissipation and low electrical noise, ideal for sensitive electronic circuits.
- Packaging & Mounting: Supplied in tape & box for efficient handling, compatible with automated pick-and-place systems or manual through‑hole assembly.
Why Choose KNP03SJ0221A19?
- Compact and durable, its 5.5×16 mm body design integrates easily into PCBs while ensuring longevity.
- High voltage rating (500 V) exceeds standard offerings (~300 V), giving designers stronger electrical resilience.
- Superior thermal and acoustic performance, due to flame‑retardant coating and ceramic core.
- Engineered for global B2B markets, this resistor balances performance, reliability, and cost, making it ideal for power supplies, industrial controls, home appliances, and general‑purpose circuitry.