WMSIC Electronic Components

LRC LMSZ5230BT1G

ModelLMSZ5230BT1G
PackageSOD-123
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LRC LMSZ5230BT1G
Type
LRC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
LMSZ5230BT1G
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.032g
Electronic Component
1
(Zzk)
1.9kΩ
(Zzt)
19Ω
Electronic Component
BM0263676435
Diode
1
Current(Ir)
5uA@2V
Power Dissipation(Pd)
500mW
Electronic Component
4.47V~4.94V
Electronic Component
55℃~+150℃

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

LMSZ5230BT1G稳压二极管产品概述

LMSZ5230BT1G是乐山无线电股份有限公司(LRC)推出的一款独立式小功率稳压二极管,主打4.7V稳定输出,凭借宽温度适应性、低动态阻抗和紧凑封装,成为消费电子、工业控制、车载电子等领域低压稳压场景的常用器件。

一、产品品牌与核心定位

乐山无线电(LRC)是国内分立半导体器件领域的老牌厂商,拥有数十年器件设计与制造经验,产品以高可靠性、一致性著称。LMSZ5230BT1G属于该品牌的通用型稳压管系列,针对低压基准、电源稳压等基础需求优化,兼顾性能与成本,适合批量应用。

二、关键电气参数及实际意义

该器件的核心参数围绕“稳定输出+低功耗+宽温适应”设计,具体解读如下:

  • 稳压值特性:标称稳压值4.7V,实际工作范围4.47V~4.94V。此范围由制造工艺公差决定,满足工业级产品对“标称值±5%”的常规要求,实际应用中可通过电路匹配实现精准稳压。
  • 反向漏电流:反向偏置2V时仅5μA,漏电流极小意味着反向截止时几乎不消耗额外功率,能有效提升电路效率,尤其适合低功耗场景(如电池供电设备)。
  • 最大耗散功率:500mW,这是器件允许的最大功率损耗。结合稳压值计算,最大允许工作电流约106mA((I_{max} \approx P_d / V_z)),实际应用需留20%~30%余量,避免过热损坏。
  • 动态阻抗:测试电流下(Zzt)19Ω,最大电流下(Zzk)1.9kΩ。动态阻抗越低,稳压效果越好——当负载电流变化时,输出电压波动越小,能为后级电路提供更稳定的基准。
  • 工作温度范围:-55℃+150℃,覆盖工业级(-40℃+85℃)、车载级(-40℃~+125℃)甚至极端环境需求,无需额外降额使用。

三、封装与物理特性

LMSZ5230BT1G采用SOD-123表面贴装封装,这是一款超小型封装:

  • 尺寸约2.9mm(长)×1.6mm(宽)×1.1mm(高),比常见的SOT-23封装更紧凑,可显著节省PCB空间,适合手机、智能穿戴等小型化设备。
  • 封装材料为耐高温环氧树脂,兼容回流焊、波峰焊工艺,焊接可靠性高;引脚采用镀锡工艺,抗腐蚀能力强,长期使用不易出现接触不良。

四、典型应用场景

结合参数特点,该器件的主要应用方向包括:

  1. 消费电子:手机、平板、智能音箱等设备的电源稳压模块(如给MCU、传感器提供4.7V基准),满足低功耗、小体积需求。
  2. 工业控制:小型传感器节点、PLC辅助电路的电压基准源,宽温范围适应车间高低温环境。
  3. 车载电子:车载显示屏、倒车雷达的低压稳压电路,-55℃~+150℃的温度范围覆盖车载极端工况。
  4. 通信设备:射频前端偏置电路、光模块的稳压单元,低动态阻抗保证信号稳定传输。

五、使用注意事项

为保证器件可靠性与性能,需注意以下要点:

  1. 功耗限制:实际工作电流需低于80mA(留25%余量),避免超过500mW功耗导致结温过高。
  2. 温度影响:硅稳压管的温度系数约+2mV/℃(即温度每升高1℃,稳压值增加2mV),极端温度下可通过分压电路微调输出。
  3. 焊接规范:回流焊峰值温度不超过260℃,焊接时间不超过30s;手工焊接时烙铁温度不超过350℃,时间不超过2s,避免损坏封装。
  4. 极性识别:SOD-123封装的“色环端”为阴极(稳压管工作时需反向偏置,即阴极接正、阳极接负),安装时需确认极性,避免正向导通损坏。

六、产品优势总结

LMSZ5230BT1G的核心优势可概括为“三稳一省”:

  • 稳压稳:低动态阻抗+宽温范围,输出电压波动小;
  • 功耗稳:低反向漏电流,不额外消耗功率;
  • 可靠性稳:LRC成熟工艺+宽温设计,长期使用故障率低;
  • 省空间:SOD-123超小型封装,适合高密度PCB。

综上,LMSZ5230BT1G是一款性能均衡、性价比高的通用稳压二极管,能满足多种低压稳压场景的基础需求,是电子设计中“小而可靠”的优选器件。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.