WMSIC Electronic Components

LGE BZX55C6V2

ModelBZX55C6V2
PackageDO-35
BrandLGE
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LGE BZX55C6V2
Type
LGE
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LGE
Electronic Component
BZX55C6V2
Electronic Component
1
Package
DO-35
Electronic Component
Zener Diode
Electronic Component
0.15g
Electronic Component
1
(Zzk)
200Ω
(Zzt)
10Ω
Electronic Component
BM0230858440
Diode
1
Current(Ir)
100nA@2V
Power Dissipation(Pd)
500mW
Electronic Component
5.7V~6.3V
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.

BZX55C6V2 稳压二极管(LGE 鲁光)产品概述

一、产品简介

BZX55C6V2 是鲁光(LGE)生产的独立式稳压二极管,封装为 DO-35,标称稳压值 6.2V(规格范围 5.7V~6.3V),专为低功耗、小信号稳压和基准应用设计。该器件结构简单、成本低、易于电路集成,常用于电源参考、浪涌钳位和信号线电压稳定。

二、主要电气参数

  • 标称稳压值:6.2V(范围 5.7V~6.3V)
  • 反向直流泄漏 Ir:100 nA @ 2.0V(低压下泄漏小)
  • 耗散功率 Pd:500 mW(器件最大耗散)
  • 动态阻抗 Zzt:10 Ω(在规定测试电流下)
  • 跨导/低电流阻抗 Zzk:200 Ω(在 knee 区域/小电流时)
  • 封装:DO-35(玻璃或环氧引线封装,便于穿孔安装)

三、性能与特性解读

  • 低功耗稳压:500 mW 的耗散能力适合中小负载的稳压参考,但不适合承受大功率瞬态或长期高电流。
  • 良好的稳压特性:Zzt = 10 Ω 表示在推荐工作电流下电压随电流变化小,输出稳态好;Zzk = 200 Ω 表明在非常低电流时进入 knee 区,电压稳定性下降。
  • 低漏电流:Ir 在 2V 下仅 100 nA,适用于高阻抗输入或对漏电敏感的电路。

四、典型应用场景

  • 基准电压源与低压稳压(小电流场合)
  • MCU、传感器供参考电压或比较器基准
  • 信号线电压钳位、浪涌保护和反向保护
  • 小型功率分压/稳压电路的并联稳压元件

五、使用建议与电路计算示例

  • 热设计:理论上最大反向电流 Imax ≈ Pd / Vz = 0.5 / 6.2 ≈ 80 mA;但为保证长期可靠性与温升控制,建议实际工作电流控制在数 mA 到几十 mA 范围内(典型 5–20 mA)。
  • 并联稳压电路中的限流电阻计算(示例):若 Vin = 12V,需对 10 mA 负载提供 6.2V,选定稳压管偏流 Iz = 5 mA,则 R = (12 − 6.2) / (10 mA + 5 mA) ≈ 390 Ω;稳压管耗散 Pz ≈ 6.2 V × 5 mA = 31 mW(远小于 Pd)。
  • 避免在 knee 区长期工作,尽量使稳压管有足够偏流以维持低动态阻抗。

六、封装与可靠性、焊接注意事项

  • DO-35 小型径向引脚封装,适合穿孔安装与自动插件工艺。
  • 焊接时注意热冲击,避免高温长时间加热以防玻璃/引线破坏;焊接峰值温度与时间请参照工艺规范。
  • 存储与静电防护:常规防潮、防静电处理,避免长期潮湿环境导致泄漏增加或封装失效。

七、选型与替代建议

  • 若电压精度、温漂或噪声有更高要求,可考虑带温度补偿或更高功率等级的基准源/稳压器。
  • 需要更高瞬态能量吸收时,应选用瞬态抑制二极管(TVS)或更大功率的稳压管。
  • 选型时注意稳压电流范围、动态阻抗和功耗余量,确保在目标工作点下器件处于稳压区以获得良好性能。

总结:BZX55C6V2(LGE)是适合中小电流、成本敏感设计的通用型 6.2V 稳压二极管,具有低泄漏、较低动态阻抗和 DO-35 封装的易用性。合理的热设计与偏流选择是保证长期稳定工作的关键。

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