TT Electronics / Welwyn 221R Metal Film Resistor 0.25W 0.1%
High-precision TT Electronics 221R metal film resistor, 0.25W, ± 0.1% tolerance. Ideal for critical through-hole circuits.
The TT Electronics / Welwyn 221R Metal Film Resistor is a high-precision component from the RC Series, designed for applications requiring excellent stability and accuracy. With a resistance of 221 ohms and a tight tolerance of ± 0.1%, this axial leaded resistor ensures reliable performance in critical circuits where exact resistance values are paramount.
Featuring a power rating of 250mW (0.25W) and a voltage rating of 200V, it is well-suited for a variety of electronic assemblies. The metal film technology provides a low temperature coefficient of ± 15ppm/°C, guaranteeing minimal resistance drift across its wide operating temperature range of -55°C to 155°C.
This robust resistor offers consistent performance under varying environmental conditions. Its axial leaded package makes it suitable for through-hole mounting, ensuring secure placement on printed circuit boards. Whether for industrial, automotive, or general-purpose electronics, this TT Electronics component delivers the precision and durability required for demanding applications.
Key Specifications
- Resistance: 221 ohm
- Power Rating: 250mW (0.25W)
- Tolerance: ± 0.1%
- Voltage Rating: 200V
- Technology: Metal Film
- Temperature Coefficient: ± 15ppm/°C
- Operating Temperature Range: -55°C to 155°C
- Package: Axial Leaded
After bigger quantities? Need extra quantities? Get in touch and we'll organise it for you.
- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
- Free Shipping Included
Always follow local regulations and product guidance.
Free standard delivery on Australian mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
View Full Delivery & Returns PolicySecure Transactions
We take the utmost care with your payment and personal details. Our website uses advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can check a secure connection by looking for 'https' and a locked padlock in your browser.
Cookie Policy
Cookies enhance your shopping experience by keeping track of your cart and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Security Warning
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll ask you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.
You might like
