WMSIC Electronic Components

Nexperia BAS17,215 BAS17

ModelBAS17,215
PackageSOT-23
BrandNexperia
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

17 specifications

Core information

Product name
Nexperia BAS17, 215
Type
NEXPERIA
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NEXPERIA
Electronic Component
BAS17,215
Electronic Component
1
Package
SOT-23
Electronic Component
Zener Diode
Electronic Component
0.025g
Electronic Component
1
Electronic Component
BM0227553335
Diode
1
Current(Ir)
5uA
Power Dissipation(Pd)
250mW
Electronic Component
Electronic Component
Electronic Component
3000

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

BAS17,215 产品概述

一、产品概述

BAS17,215 为安世(Nexperia)BAS17 系列中的低压稳压二极管(低压 stabistor)表面贴装型号,封装为 SOT-23,采用独立式二极管配置。器件设计用于在低电流范围提供稳定的参考或钳位电压,典型标称稳压值约 5 V,最大工作电流可达到 200 mA(视散热条件与使用方式而定)。典型的反向漏电流 Ir 为 5 µA,最大功耗 Pd 标称 250 mW。

二、主要参数(基于提供信息)

  • 稳压电压:约 5 V(系列标称值)
  • 最大工作电流:200 mA(瞬时或限定条件下)
  • 反向电流 Ir:5 µA(在指定反向电压下)
  • 耗散功率 Pd:250 mW(器件在规定环境温度下的最大耗散)
  • 封装:SOT-23,表面贴装,尺寸小、适合自动化贴装
  • 配置:独立式单二极管(每个封装引脚对应单独器件)

注:具体电参数(如精确稳压电压、动态电阻、温度系数、最大反向电压等)应参照安世官方数据手册以获得完整的规范与测试条件。

三、封装与引脚说明

SOT-23 为三引脚封装,常见引脚用法为:阳极、阴极与空/连接结构(或用于并联/散热)。封装体积小、寄生电感低,便于高密度 PCB 设计。推荐遵循厂家提供的 PCB land pattern 与回流焊工艺参数,避免过高的焊接温度与过长的加热时间以保护器件。

四、典型应用场景

  • 低压基准/参考源:提供简易的 5 V 稳定点,用于小信号电路或偏置网络
  • 过压/瞬变钳位:保护敏感输入端免受短时过压冲击(需配合串联限流)
  • 信号整形与偏置:用作温度补偿与偏置电平稳定元件
  • 便携设备与板级电源管理:SOT-23 小封装适合功耗与空间受限的应用

五、设计与使用建议

  • 散热与功耗:Pd 为 250 mW,应根据 PCB 铜箔、过孔与环境温度进行功率降额(derating);连续在高电流或高环境温度下使用需额外散热措施或并联器件。
  • 限流与保护:在用作钳位或参考时,建议串联限流电阻,以限制通过器件的电流并防止过热。
  • 环境与焊接:遵循安世的焊接温度曲线与湿敏等级要求,避免热冲击与潮湿带来的可靠性问题。
  • 配套元件:对稳定度有更高要求的场合,可辅以精密电阻或温度补偿元件提高整体性能。

六、与普通稳压二极管 / TVS 的比较

  • 与普通齐纳二极管相比,stabistor 在低电流区通常具有更小的动态电阻与更好的电压稳定性,适合微小电流的参考用途;
  • 与 TVS(瞬态抑制二极管)相比,BAS17,215 更偏向稳定参考而非大能量瞬态吸收,不能替代高能瞬态保护器件。

七、采购与替代建议

选择时建议确认数据手册中的测试条件(测试电流、温度、漏电测量电压等)。如需更高功耗或更低漏电可考虑同厂或其他厂家的高功率/低漏型稳压二极管,或采用表面贴装功率更大的封装(SOD-123、SOD-128 等)以满足散热需求。

八、小结

BAS17,215 以其 SOT-23 小型化封装与低漏电、5 V 级稳压特性,适合板级偏置、参考及轻载钳位应用。在设计中应重视散热和电流限制,遵循厂家手册的电性能测试条件与焊接规范,以保证长期可靠性与稳定性。若有更高电流或更严格精度要求,建议参考官方数据手册或联系供应商获取推荐替代型号与应用参考电路。

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