WMSIC Electronic Components

LRC SZAF30A

ModelSZAF30A
PackageSMA-FL
BrandLRC
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

19 specifications

Core information

Product name
LRC SZAF30A
Type
LRC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
SZAF30A
Electronic Component
1
Package
SMA-FL
Electronic Component
Zener Diode
Electronic Component
0.057g
Electronic Component
1
(Zzk)
1.5kΩ
(Zzt)
40Ω
Electronic Component
BM0265024077
Diode
Electronic Component
Current(Ir)
500nA
Power Dissipation(Pd)
1W
Electronic Component
28.5V~31.5V
Electronic Component
50℃~+150℃

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

SZAF30A稳压二极管产品概述

一、产品核心定位与品牌背景

SZAF30A是国内老牌半导体厂商乐山无线电(LRC) 推出的独立式稳压二极管,主打30V标称稳压值,兼顾低功耗、宽温适应性与小型化设计,适用于中低功率场景下的电压基准或稳压需求。LRC作为国内较早布局分立器件的企业,其稳压管产品以参数一致性好、可靠性高著称,SZAF30A延续了该品牌的工艺优势,可满足消费电子、工业控制等领域的批量应用要求。

二、关键电气参数解析

SZAF30A的电气参数围绕“稳定稳压+低功耗+宽温适配”设计,核心参数及实际意义如下:

  1. 稳压值范围:标称30V,实际工作区间28.5V~31.5V(±5%精度),既满足多数场景对电压稳定性的要求,又避免过严精度导致的成本上升;
  2. 反向漏电流(Ir):仅500nA(纳安级),远低于常规稳压管的微安级漏电流,静态功耗仅约15μW(P=Ir×Vz),适合对功耗敏感的低功耗电路;
  3. 耗散功率(Pd):1W,对应最大工作电流约33mA(I=Pd/Vz标称值),可支撑小型电源模块、传感器供电等中低功率负载;
  4. 阻抗特性:动态阻抗Zzt=40Ω,反向击穿阻抗Zzk=1.5kΩ。动态阻抗越低,负载电流变化时稳压值波动越小(如负载电流变1mA,电压波动仅40mV),稳压性能更稳定;
  5. 工作结温:-50℃~+150℃,覆盖极端低温(户外设备冬季)与高温(工业设备内部散热空间有限场景),环境适应性强。

三、封装与物理特性

SZAF30A采用SMA-FL表面贴装封装,属于小型化封装类型,具体特点:

  • 尺寸紧凑:典型封装尺寸约2.7mm(长)×1.6mm(宽)×1.1mm(高),适合便携式设备、小型模块的高密度贴装;
  • 独立式设计:封装内部结构独立,电气隔离与散热效果优于共封装器件,避免串扰;
  • 自动化适配:兼容常规SMT生产线,可实现高速批量生产,降低制造成本。

四、典型应用场景

结合参数特性,SZAF30A的核心应用场景包括:

  1. 消费电子辅助电源:路由器、机顶盒、智能音箱的5V/12V转30V基准电压,低漏电流降低待机功耗;
  2. 工业传感器电路:工业温度/压力传感器的供电稳压,宽温范围适配车间/户外恶劣环境;
  3. 通信设备射频模块:低功耗射频电路的电压基准,避免漏电流导致的信号干扰;
  4. 车载辅助电路:车载仪表盘、辅助传感器的稳压(-50℃~+150℃覆盖车载低温启动与高温工作场景)。

五、可靠性与环境适应性

SZAF30A的可靠性源于LRC的工艺控制与参数设计:

  • 宽温测试:出厂前经过-50℃~+150℃高低温循环测试,确保极端环境下参数稳定;
  • 低漏电流保障:长期工作时漏电流变化小,避免功耗累积导致结温过高,延长使用寿命;
  • 参数一致性:批量生产中稳压值、阻抗等参数偏差控制在规格范围内,适合规模化应用。

六、产品总结与选型建议

SZAF30A的核心优势可概括为:30V标称稳压+低漏电流+宽温适配+小封装,适合中低功率、小型化、宽温环境的稳压需求。
选型建议:若需30V左右稳压、功率不超1W、环境温度范围广,SZAF30A是高性价比选择;若需更高功率(如2W以上),可考虑LRC同系列高Pd型号;若需更精确稳压(如±1%),需选择精度更高的稳压管型号。

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