Import Bochen Cermet Trimmer Potentiometer 3296 — Buy in wholesale FOB from Supplier in China

The Bochen 3296 Cermet Trimmer Potentiometer is a through-hole adjustable resistor designed for printed circuit board calibration and bias adjustment in industrial, automotive, and consumer electronic assemblies. Chengdu Guosheng Technology Co., Ltd. supplies this component with a 0.5 watt power rating at 70°C ambient, a resistance span from 10 ohm to 2 megaohm, and tolerance options of ±5% and ±10%. The cermet resistive element, a ceramic-metal composite sintered onto a substrate, delivers lower temperature coefficient and better stability than carbon composition alternatives, making it suitable for circuits where drift over operating life must be minimised. The 3296 package format follows the industry-standard 6.35 mm square multiturn footprint with a glass-filled nylon actuator and terminal spacing compatible with 2.54 mm pitch breadboard and PCB layouts.

The resistive element composition typically combines ruthenium oxide or similar noble-metal oxide with glass binder fired onto an alumina ceramic substrate at temperatures above 800°C. This process yields a track resistance stability of typically ±200 ppm/°C for standard cermet formulations, though the specific temperature coefficient for the Bochen 3296 is not stated in the source data and should be requested from the supplier. Tolerance selection between ±5% and ±10% affects initial accuracy; for calibration circuits requiring tight bias setting, the ±5% variant is preferred despite higher unit cost. The 0.5W rating assumes free-air conditions at 70°C with adequate terminal heat sinking; derating to 60% of nominal dissipation is standard practice for enclosed assemblies or ambient temperatures exceeding 50°C. Mechanical endurance is typically 200 rotational cycles minimum for this package style, with contact resistance variation specified under dynamic testing conditions.

Applications span switch-mode power supply voltage adjustment, operational amplifier gain trimming, sensor signal conditioning, and reference voltage divider networks in test equipment and industrial controllers. The broad resistance range allows a single BOM line item to cover multiple circuit functions, reducing inventory overhead for contract manufacturers. Importers sourcing from Chengdu Guosheng Technology should confirm whether the 1-7 workday delivery claim applies to stocked values or requires manufacturing lead time for non-standard resistances such as 1.8 Mohm or E96 series values. The supplier's Harbor trust tier and zero response rate indicate limited verification of claims; sample qualification on first orders is prudent before committing to volume procurement.

Chengdu Guosheng Technology Co., Ltd. is located in Modern Industrial Port, Chengdu, Sichuan Province, China, within a government-designated manufacturing zone that hosts electronics assembly and component distribution operations. The supplier holds a Harbor trust tier, indicating basic marketplace registration without independent audit verification. The response rate is recorded at 0.00% with zero average response hours, which suggests either a passive listing presence or incomplete communication channel configuration. No ISO certification, quality management system documentation, or factory inspection reports are visible in the profile.

The company positions itself as a source for Bochen-branded cermet trimmer potentiometers with emphasis on rapid delivery (1-7 workdays). The profile does not disclose whether Guosheng is an authorised distributor for Bochen, a value-added reseller, or an independent trader. No information is provided on in-house testing capability, incoming inspection protocols, or counterfeit avoidance procedures. Buyers should request certificate of authorisation from Bochen, batch traceability documentation, and RoHS/REACH compliance certificates before placing volume orders. The Sichuan location offers logistics access via Chengdu Shuangliu International Airport for air freight and overland connection to Shanghai or Shenzhen ports for sea freight consolidation.