WMSIC Electronic Components

YANGJIE BZT52C15SQ

ModelBZT52C15SQ
PackageSOD-323
BrandYANGJIE
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 25+

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
YANGJIE BZT52C15SQ
Type
SOD-323
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
BZT52C15SQ
Electronic Component
1
Package
SOD-323
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0229934379
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.

BZT52C15SQ 产品概述

BZT52C15SQ 是扬杰(YANGJIE)系列的一款独立式小功率齐纳二极管,标称稳压值 15V,面向一般调节与参考电压应用,亦提供满足汽车电子可靠性要求的 Q 型号(后缀“Q”表示符合 AEC‑Q101 标准)。器件采用环氧树脂封装,材料符合 UL‑94 V‑0 阻燃等级且无卤,湿度敏感度等级为 MSL1,便于贴片后长期储运与回流工艺。

一、主要电气与热特性

  • 标称稳压 Vz:15V(稳压范围 13.8V ~ 15.6V)
  • 稳压公差:约 ±5%
  • 反向漏电流 Ir:100 nA @ 10.5V
  • 最大耗散功率 Pd:300 mW(在指定环境与封装条件下)
  • 动态阻抗:Zzt = 30 Ω(在测试点),Zzk = 200 Ω(在拐点附近)
  • 工作结温范围:‑55 ℃ ~ +150 ℃

备注:在稳压电路中典型最大稳流 Ix ≈ Pd / Vz ≈ 0.3 W / 15 V ≈ 20 mA。实际允许通过的电流需按具体封装的散热条件和厂方的热降额曲线确定。

二、结构与可靠性特点

  • 封装材料:环氧树脂,UL‑94 V‑0 阻燃等级,且无卤,满足对环境与安全的高要求。
  • 湿度敏感度等级:MSL1(对湿度敏感性最低,可直接回流焊)。
  • 产品线覆盖范围宽(Vz 约 2.4V ~ 47V),便于在不同电压等级中选型。
  • Q 型号通过 AEC‑Q101 认证,适配汽车电子对元器件可靠性的严格要求(但具体系统使用仍需按车辆级验证流程确认)。

三、应用场景

  • 低功耗基准电压源与整机偏置电路。
  • 小电流稳压与浪涌限制(需配合串联限流电阻)。
  • 汽车电子周边电路(Q 型号),如车载传感器供电分压、参考电压、监测电路等。
  • 通用电子设备中用于电压钳位与过压保护(瞬态能量较大时建议使用专用 TVS 器件)。

四、使用建议与注意事项

  • 散热与电流限制:尽管 Pd 标称为 300 mW,但该值依赖于封装热阻和 PCB 散热布局。在设计时应根据实际 PCB 面积与铜箔散热条件进行热降额,避免长期接近 Pd 工作。
  • 稳定性:齐纳二极管作为并联式稳压元件,适用于低电流场合。若需更精确或更低噪声的参考,应选用专用带隙参考或有源稳压方案。
  • 限流设计:建议在二极管前串联限流电阻计算出稳态与启动时的电流峰值,防止在瞬态或误操作下超过最大耗散功率。
  • 污染与应力:虽然材料为无卤阻燃环氧,但在高湿、高盐雾或强腐蚀环境中仍需采取保护措施(如涂覆或封装防护)。
  • 汽车级要求:Q 型号符合 AEC‑Q101,但整车应用需通过完整的系统级验证(如温度循环、振动、EMC 等)。

五、典型选型理由

  • 适用于需要 15V 低功耗稳压或电压钳位的场合。
  • 良好的动态阻抗(Zzt)表明在额定测试点附近具有较好的稳压特性,Zzk 对拐点响应给出参考。
  • 材料和等级适应工业与汽车电子的可靠性需求,且 MSL1 带来良好的工艺兼容性。

总结:BZT52C15SQ 是一款面向小信号稳压的齐纳二极管,具有良好的可靠性和工艺适应性,适合低功耗电压参考与汽车电子外围的稳压场合。选型时请结合具体封装热性能与实际 PCB 散热条件,合理设计限流与热降额,确保长期稳定工作。若需更高功率或更严苛精度的稳压需求,建议选用大功率齐纳或有源稳压器件。

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