


Bourns, Inc.
CAY16-3902F4LF
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CAY16-3902F4LF Description
CAY16-3902F4LF Description
The CAY16-3902F4LF from Bourns Inc. is a high-performance 4-resistor network in a compact 1206 (3216 Metric) convex package with long-side terminals. Designed for surface-mount applications, it features 39kΩ resistance per element with a tight ±1% tolerance and a ±200ppm/°C temperature coefficient, ensuring stable performance across varying environmental conditions. The device operates at 62.5mW power per element and is housed in a RoHS3-compliant, REACH-unaffected package, making it suitable for modern, eco-conscious designs. Its low-profile 0.024" (0.60mm) height and 0.126" x 0.063" (3.20mm x 1.60mm) footprint enable dense PCB layouts.
CAY16-3902F4LF Features
- 4 isolated resistors in a single 1206 package, saving board space.
- High precision: ±1% tolerance and ±200ppm/°C TCR for reliable signal conditioning.
- Robust construction: Convex, long-side terminals enhance mechanical stability.
- Wide compatibility: Suitable for automotive, industrial, and consumer electronics due to MSL 1 (unlimited) moisture sensitivity.
- Efficient power handling: 62.5mW per resistor ensures durability in demanding circuits.
- Tape & Reel (TR) packaging for automated assembly efficiency.
CAY16-3902F4LF Applications
Ideal for voltage division, pull-up/pull-down networks, and impedance matching in:
- Automotive ECUs (Engine Control Units) requiring stable resistance under thermal stress.
- Industrial PLCs (Programmable Logic Controllers) where space-saving arrays are critical.
- Consumer electronics (e.g., smart home devices) needing high-density PCB designs.
- Medical equipment benefiting from low-profile, high-reliability components.
Conclusion of CAY16-3902F4LF
The CAY16-3902F4LF combines precision, compactness, and reliability, making it a superior choice for engineers seeking optimized resistor networks. Its isolated circuit design, tight tolerances, and industry-standard packaging cater to high-volume production while meeting stringent environmental and performance standards. Bourns’ reputation for quality ensures this component is a dependable solution for advanced electronic systems.



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