WMSIC Electronic Components

BOURNS 3296P-1-202LF

Model3296P-1-202LF
PackageThrough-hole-3P, 9.5x4.8mm
BrandBOURNS
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
BOURNS 3296P-1-202LF
Type
BOURNS
Unit
Electronic Component
Minimum package
100 管

Technical parameters

Power
500mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
BOURNS
Electronic Component
25
Electronic Component
3296P-1-202LF
Electronic Component
1
Package
Through-hole-3P, 9.5x4.8mm
Electronic Component
Resistor / positions
Electronic Component
±10%
Electronic Component
1.38g
Electronic Component
2kΩ
Electronic Component
1
Electronic Component
BM0265215450
Electronic Component
Electronic Component
Electronic Component
100

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

BOURNS 3296P-1-202LF 精密可调电位器产品概述

BOURNS 3296P-1-202LF是一款单圈精密可调电位器,属于BOURNS经典3296P系列,针对需要稳定阻值调节、小体积集成的电子设备设计,平衡了调节精度、可靠性与成本,广泛应用于消费电子、工业控制、通信等领域的基础电路校准与控制场景。

一、核心电气参数详解

该电位器的电气性能围绕“精准调节+稳定承载”设计,关键参数如下:

  1. 阻值与精度:标称阻值为2kΩ(编码“202”表示20×10²),精度±10%,满足大部分常规电路的阻值匹配需求,无需额外高精度校准即可覆盖基础应用;
  2. 功率额定值:额定功率500mW(0.5W),在25℃环境温度下可稳定工作,温度升高时需按datasheet要求降额(如100℃时降额至约300mW);
  3. 调节圈数:25圈单圈结构,每圈阻值变化约80Ω,既保证调节分辨率(避免粗调误差),又比多圈电位器调节速度更快,适合需要快速调整的场景;
  4. 温度系数:典型值±100ppm/℃,阻值随温度变化稳定,可适应-55℃至+125℃的宽温度范围;
  5. 绝缘性能:引脚间绝缘电阻≥100MΩ(500V DC),防止漏电影响电路信号完整性。

二、机械与封装特性

  1. 封装形式:插件式3引脚(3P),引脚间距符合标准通孔设计,便于PCB焊接,无需特殊焊接工艺;
  2. 尺寸规格:本体尺寸约9.5mm(长)×4.8mm(宽)×4.5mm(高),小体积设计适配紧凑布局(如便携式设备、小型模块);
  3. 调节结构:顶部十字槽调节,需PH00螺丝刀操作,调节手感顺滑无卡顿,机械寿命约1000次调节(符合工业级要求);
  4. 材料工艺:陶瓷基体(保证阻值长期稳定性)、金属电阻膜(低噪声、低漂移)、阻燃塑料外壳(UL94V-0等级),提升安全可靠性。

三、性能优势与可靠性

  1. 阻值稳定性:金属电阻膜工艺使阻值长期漂移≤±1%/1000小时,额定功率下工作无明显阻值衰减;
  2. 低噪声特性:调节时噪声电压≤1mV,适合音频、射频等敏感电路,避免引入干扰;
  3. 环境适应性:宽温工作范围(-55℃~+125℃)、抗振动(符合MIL-STD-202标准),可用于户外设备、车载电子等恶劣场景;
  4. 成本效益:量产规模大,成本控制较好,适合批量应用的电子设备(如消费电子、中小工业设备)。

四、典型应用场景

该电位器覆盖多领域基础调节需求,核心应用包括:

  1. 消费电子:便携式耳机放大器(偏置电压调节)、小型充电器(输出电压校准)、智能手环(传感器信号微调);
  2. 工业控制:PLC模拟量输入模块(量程校准)、电机驱动电路(电流限制调节)、温度控制器(阈值微调);
  3. 通信设备:路由器射频模块(信号衰减调节)、基站偏置电路(电压校准)、光纤收发器(增益微调);
  4. 测试仪器:万用表(量程校准)、示波器(垂直增益调节)、信号发生器(输出幅度校准)。

五、选型与使用注意事项

  1. 阻值匹配:2kΩ适合分压比、偏置调节场景,若需更高阻值可选203(20kΩ)、502(5kΩ)等型号;
  2. 功率降额:避免超过额定功率,高温环境下需按datasheet计算降额因子(如60℃时降额至400mW);
  3. 焊接工艺:焊接温度≤260℃,每引脚焊接时间≤3秒,防止损坏电阻膜;
  4. 调节注意:避免过度调节(超过机械极限),调节后可涂胶水固定(长期稳定需求);
  5. 替代选型:若需±5%精度可选3296P-1-202L,若需多圈调节可选3362P系列。

该产品作为BOURNS成熟系列,兼具可靠性与经济性,是电子设备中基础阻值调节的优选方案之一。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.