BOURNS 3214 Series 1kΩ SMD Cermet Trimmer Potentiometer

The BOURNS 3214 Series SMD Cermet Trimmer is a high-precision, multi-turn potentiometer designed for surface-mount applications requiring reliable and stable adjustment. Built with a durable cermet element, it offers excellent long-term stability and consistent performance across a wide operating temperature range. This top-adjust trimmer provides fine-tuning capability over five full turns, allowing for exceptionally precise resistance setting.

With a compact 4mm square footprint, this component is ideal for densely packed printed circuit boards (PCBs) where space is at a premium. It features a standard track resistance of 1kΩ with a tolerance of ±10% and a robust power rating of 250mW. The device is qualified to the AEC-Q200 standard, making it suitable for demanding automotive and industrial electronics applications where component reliability is critical.

Key Specifications

• Trimmer Type: Multi-turn for precise adjustment
• Element Material: High-stability cermet
• Adjustment Type: Top adjust for easy access
• Track Resistance: 1kΩ
• Mounting: Surface-mount device (SMD)
• Number of Turns: 5
• Power Rating: 250mW
• Resistance Tolerance: ±10%
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -65°C to +150°C
• Qualification: AEC-Q200 compliant for automotive use

Its robust construction and qualification for harsh environments ensure dependable operation in calibration circuits, voltage division, and signal conditioning roles. The precise multi-turn mechanism allows for repeatable and accurate adjustments, making it a trusted choice for engineers and technicians.