The 3057J-1-100M is a Bourns Trimpot® trimming potentiometer designed for precision resistance adjustment in industrial applications. This multiturn wirewound device features a 100 ohm resistance value with ±5% tolerance, 22 turns of adjustment travel, and a sealed 1-1/4" rectangular housing suitable for panel mounting. It delivers 1 watt power rating at 70°C, operates reliably across a temperature range of -55°C to +150°C with a temperature coefficient of ±50 ppm/°C, and maintains 1,000 megohms minimum insulation resistance at 500 VDC. The unit is RoHS compliant, listed on the QPL for MIL-PRF-27208 style RT12, and features solderable pins with flexible leads, making it ideal for precision tuning, calibration, and circuit adjustment in instrumentation, telecommunications, and industrial control systems.