WMSIC Electronic Components

YANGJIE BZT52C7V5

ModelBZT52C7V5
PackageSOD-123
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 Electronic Component

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
YANGJIE BZT52C7V5
Type
SOD-123
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
BZT52C7V5
Electronic Component
1
Package
SOD-123
Electronic Component
0.033g
Electronic Component
1
Electronic Component
BM0266127781
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.

BZT52C7V5稳压二极管产品概述

一、核心参数概览

BZT52C7V5为独立式稳压二极管,核心参数覆盖稳压性能、功耗、环境适应性等关键维度,具体规格如下:

参数项 规格值 稳压值(标称值) 7.5V 稳压值(工作范围) 7.0V ~ 7.9V 反向漏电流(Ir) 1μA @ 5V 反向偏置 最大耗散功率(Pd) 500mW 动态阻抗(Zzt) 15Ω(典型测试条件) 动态阻抗(Zzk) 80Ω(拐点电流下) 工作结温范围 -55℃ ~ +150℃ 封装类型 SOD-123(表面贴装) 品牌 扬杰(YANGJIE)

二、封装与品牌背景

2.1 封装特性

BZT52C7V5采用SOD-123表面贴装封装,属于小型化贴片封装(典型尺寸1.6mm×0.8mm×0.6mm),具备以下优势:

  • 紧凑尺寸适配高密度PCB布局,节省电路板空间;
  • 兼容回流焊、波峰焊等常规贴片工艺,适合批量生产;
  • 引脚间距合理,焊接时不易出现桥接问题。

2.2 品牌优势

该器件由国内知名半导体厂商扬杰(YANGJIE) 生产,扬杰在分立器件领域拥有成熟的研发制造体系,产品通过ISO9001质量认证,广泛应用于消费电子、工业控制、汽车电子等领域。其稳压二极管系列以稳定性高、一致性好、性价比突出为特点,可满足不同客户的量产需求。

三、关键性能指标解析

3.1 稳压精度与范围

标称稳压值7.5V,工作范围覆盖7.0V~7.9V,既保证基础稳压功能,又适配电源输出轻微波动的场景,降低对外部补偿电路的依赖。对于中等精度稳压需求(如±5%),该范围可直接满足应用。

3.2 低反向漏电流

反向漏电流仅1μA(@5V反向偏置),说明器件在反向未击穿状态下漏电流极小,可显著降低待机功耗,适合电池供电的低功耗设备(如智能穿戴、物联网终端),避免漏电流导致的电池续航缩短。

3.3 动态阻抗与稳压稳定性

动态阻抗是衡量稳压性能的核心指标:

  • Zzt(测试电流下)15Ω:负载电流在测试电流附近变化时,输出电压波动极小,稳压效果稳定;
  • Zzk(拐点电流下)80Ω:反映器件从截止到击穿的过渡特性,减少电压突变对后级电路的冲击。

3.4 宽结温适应性

工作结温范围-55℃~+150℃,符合工业级器件要求,可在极端环境(如北方低温户外、高温工业车间)下稳定工作,拓展至工业控制、车载电子等场景。

四、典型应用场景

4.1 电源电路稳压基准

  • 5V电源输出的辅助稳压:钳位电压在7.5V左右,抑制电源波动;
  • 模拟电路基准源:为运放、ADC/DAC提供稳定7.5V参考,提升信号采集精度。

4.2 过压保护电路

当电路出现瞬时过压(如静电放电、电源浪涌)时,BZT52C7V5反向击穿导通,将电压钳位在7.5V左右,保护后级敏感器件(如MCU、传感器)。

4.3 低功耗便携设备

  • 智能手环、蓝牙耳机的辅助稳压模块;
  • 物联网终端传感器供电稳压(减少待机电流消耗)。

4.4 工业控制模块

  • PLC输入输出模块的稳压电路;
  • 工业传感器(温度、压力)的供电稳压(适配高低温环境)。

五、选型与应用注意事项

5.1 功耗计算与限流

实际功耗需满足:( P = V_z \times I_z \leq 500mW )(( V_z )为稳压值,( I_z )为工作电流)。需串联限流电阻,公式为:
[ R = \frac{V_{in} - V_z}{I_z} ]
(( V_{in} )为输入电压,( I_z )建议取测试电流的1.2~2倍)。

5.2 温度特性补偿

稳压值随温度变化(典型正温度系数+2mV/℃),若需高精度稳压(±0.1%),可并联NTC电阻或采用温度补偿电路。

5.3 焊接工艺要求

  • 回流焊温度峰值≤260℃(持续≤10秒);
  • 手工焊接烙铁头温度≤350℃(焊接时间≤3秒),避免损伤器件。

5.4 负载匹配

需根据负载电流选择合适的限流电阻,避免电流过大击穿器件;同时需确保负载电流稳定在器件工作电流范围内。

BZT52C7V5凭借紧凑封装、低功耗、宽温适应性等特点,可广泛应用于各类低压稳压与过压保护场景,是中小功率电子设备的高性价比选择。

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