WMSIC Electronic Components

GOODWORK BZT52C5V6

ModelBZT52C5V6
PackageSOD-123
BrandGOODWORK
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

19 specifications

Core information

Product name
GOODWORK BZT52C5V6
Type
GOODWORK
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GOODWORK
Electronic Component
BZT52C5V6
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.033g
Electronic Component
1
(Zzk)
400Ω
(Zzt)
40Ω
Electronic Component
BM0263571068
Diode
1
Current(Ir)
1uA@2V
Power Dissipation(Pd)
500mW
Electronic Component
5.2V~6V
Electronic Component
Electronic Component

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

BZT52C5V6 — GOODWORK 固得沃克 5.6V SOD-123 型稳压二极管 产品概述

一、产品简介

BZT52C5V6 是 GOODWORK(固得沃克)推出的一款独立式稳压二极管,标称稳压值 5.6V,适用于小功率电压基准与过压/浪涌钳位场合。器件采用 SOD-123 小型表面贴装封装,单只独立二极管结构,便于贴片组装和自动化生产。该器件在低电流条件下具有很小的反向泄漏,适合对功耗和尺寸有要求的便携式与消费类电子产品。

二、主要电气参数

  • 型号:BZT52C5V6(品牌:GOODWORK / 固得沃克)
  • 稳压值(标称):5.6 V
  • 稳压值范围(制造允许范围):5.2 V ~ 6.0 V
  • 反向电流 Ir:1 μA @ 2 V(低电压下的泄漏电流)
  • 最大耗散功率 Pd:500 mW(器件在限定散热条件下的最大耗散)
  • 稳压阻抗 Zzt:40 Ω(在测试电流下的动态阻抗)
  • 膝部阻抗 Zzk:400 Ω(在拐点或低电流区的阻抗,反映稳压曲线的陡峭程度)
  • 封装:SOD-123(小型表贴封装,适合自动贴装)

以上参数是器件选型与电路设计的关键指标,直接影响稳压精度、噪声、稳压能力和热管理要求。

三、封装与热性能

SOD-123 是一种常用的小型表面贴装封装,优点是体积小、贴装密度高、成本低,适用于空间受限的设计。该封装的散热能力有限,因此在使用时须重视热量管理:

  • 理论上最大电流 Iz_max ≈ Pd / Vz = 0.5 W / 5.6 V ≈ 89 mA(此为在理想热条件下的电气极限值)。
  • 实际连续工作电流应根据电路板热阻、邻近铜箔面积与环境温度进行降额计算;在无额外散热的常见 PCB 条件下,建议大幅低于理论极限以保证可靠性与长期稳定性。

四、典型应用场景

  • 低功耗参考电压源(如模数转换 ADC 的参考源、基准电压偏置)
  • 小型线性稳压或分压后端的基准/钳位元件
  • 信号线或电源线的浪涌/过压限定(结合限流电阻)
  • 晶体管基极偏置网络中提供稳定基准
  • 消费类、便携式设备、通信终端及工业低功耗模块等场景

由于稳压值有制造范围(5.2V–6.0V)且动态阻抗较高,BZT52C5V6 更适合用于允许一定稳压误差且电流不大的场合;对高精度参考应采用精密基准源或配合后级稳压器。

五、设计与选型建议

  • 若需稳定性较好、噪声低的基准,优先选择更低动态阻抗或精密型号;本型号的 Zzt=40 Ω 与 Zzk=400 Ω 在微安至几十毫安区间表现明显,适合一般稳压与钳位用途。
  • 计算限流电阻时遵循:R = (Vin - Vz) / Iz,其中 Iz 为流过稳压二极管的工作电流。选择 Iz 时需兼顾稳压精度、功耗和热限。
  • 注意制造公差:器件标称 5.6V,但实际可能在 5.2V 至 6.0V 之间波动,若设计对精度要求高,应在电路中留出调整余量或选用配对/调校方案。
  • 热管理:尽量在 PCB 上为 SOD-123 增加散热铜箔或热通孔,避免长时间在高环境温度下满功率工作,必要时采取降额或并联/替代更大功率方案。

六、典型电路与计算示例

示例一:以 12V 输入得到约 5.6V 钳位,期望 Iz = 5 mA(用于提高稳压稳定性):

  • R = (12 V - 5.6 V) / 5 mA = 1.28 kΩ(取标准值 1.2 kΩ 或 1.3 kΩ,并计算实际 Iz 与功耗)
  • 稳压二极管功耗约 Pd = Vz × Iz = 5.6 V × 5 mA = 28 mW(远低于最大 500 mW,热裕量大)

示例二:在过压钳位场景,短时承受较大浪涌电流,应同时考虑瞬态能量、限流元件与封装热容,避免依赖单个 SOD-123 在长期大电流下工作。

七、使用与可靠性注意事项

  • 储存与回流焊:遵循 SOD-123 的回流焊温度曲线与防潮等级,避免潮湿导致焊接缺陷。
  • 反偏泄漏:在高温或高反向电压下 Ir 会增加,影响低电流下的稳压与偏置,应在设计时考虑最大泄漏对电路的影响。
  • 试样验证:在实际应用中建议进行 PCB 级的热升测试与长期老化测试,以确认在目标环境下的稳压和可靠性表现。

总结:BZT52C5V6(GOODWORK,SOD-123)是一款面向小功率、尺寸受限场合的通用稳压二极管,具有低泄漏、小体积与便捷贴装的优点。合理的电流选择与热设计能显著提升其在实际应用中的表现与寿命。

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