TDK B57891M Series NTC Thermistor 33k Ohm 4300K Through Hole
TDK B57891M NTC thermistor, 33kΩ at 25°C, 4300K B-constant, ±5% tolerance. Ideal for temperature sensing and compensation in various applications.
The TDK B57891M Series NTC Thermistor is a high-performance negative temperature coefficient sensor designed for reliable temperature measurement and control applications. This through-hole (radial leaded) thermistor offers a resistance of 33kΩ at 25°C with a tight tolerance of ± 5%, ensuring accurate and consistent performance in your circuits.
The thermistor’s B-constant of 4300K (with ± 3% tolerance) provides a stable resistance-temperature relationship, making it ideal for temperature sensing, compensation, and inrush current limiting. Its rugged radial leaded package is easy to assemble on PCBs and provides secure mounting for long-term reliability in a wide range of environments.
Key specifications include an operating temperature range of -40°C to +125°C, making it suitable for both industrial and consumer applications. The compact dimensions (43mm height, 33mm width, 15mm depth) allow for flexible integration into space-constrained designs.
Features
- High accuracy with ± 5% resistance tolerance
- Stable B-constant tolerance of ± 3%
- Wide operating temperature range: -40°C to +125°C
- Through-hole radial leaded package for secure PCB mounting
- Compact and lightweight design (0.01 grams)
- Lead-free construction (no SVHC as of June 2025)
This TDK thermistor is a reliable choice for engineers and hobbyists seeking precise temperature sensing in their projects. Whether you are designing a temperature monitor, battery protection circuit, or HVAC controller, this component delivers consistent performance and durability.
Need larger quantities? Need additional quantities? Get in touch and we'll arrange 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 Canadian 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 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 verify 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
