WMSIC Electronic Components

JUXING SS34

ModelSS34
PackageDO-214AC(SMA)
BrandJUXING
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
JUXING SS34
Type
JUXING
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JUXING
Electronic Component
SS34
Electronic Component
1
Package
DO-214AC(SMA)
Electronic Component
Schottky Diode
Electronic Component
0.1g
Electronic Component
1
Electronic Component
BM0265602188
Current
3A
Diode
Electronic Component
Current(Ir)
500uA@40V
(Vf)
550mV@3A
Electronic Component
55℃~+125℃
Electronic Component
Electronic Component
Electronic Component
5000

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

SS34肖特基二极管产品概述

一、产品核心定位与市场价值

SS34是一款3A/40V表面贴装肖特基二极管,以「低正向压降、快速开关、高浪涌耐受」为核心优势,填补了中功率低压整流/续流场景的性能缺口。相较于同规格普通整流二极管(如1N5404),其正向压降降低40%以上;相较于快速恢复二极管(如FR304),开关速度提升一个数量级且压降更低——这让它成为消费电子、电源、工业控制等领域的高性价比选择,尤其适合对效率、体积敏感的紧凑系统设计。

二、关键性能参数深度解析

SS34的参数设计精准匹配低压中功率场景,核心参数的实际价值如下:

1. 正向压降:550mV@3A(低损耗核心)

连续工作电流3A时,正向压降仅550mV,远低于普通硅整流管的1V+。以12V转5V的DC-DC电源为例,续流管损耗可从3A×1V=3W降至3A×0.55V=1.65W,损耗减少45%,直接提升电源效率5-8个百分点,同时降低系统发热,延长周边器件寿命。

2. 反向耐压:40V(适配主流低压系统)

40V反向耐压覆盖90%以上低压应用(5V、12V、24V系统),反向耐压余量充足(2-3倍系统电压)。例如车载12V系统(实际13.5-14.5V)、24V工业电源,无需担心反向过压击穿,可靠性有保障。

3. 浪涌能力:100A非重复峰值(抗冲击关键)

100A非重复浪涌电流(8.3ms正弦半波)能承受开机瞬间、负载突变(如电机启动)的大电流冲击——浪涌能力是额定电流的33倍,远高于行业平均20倍水平,有效避免器件烧毁,提升系统抗干扰能力。

4. 温度特性:-55℃~+125℃(宽温环境适配)

工作结温覆盖工业级和车载级需求:低温端-55℃适应北方冬季户外设备;高温端+125℃稳定工作在引擎盖下(车载)、电源模块内部,无需额外散热即可满足多数场景。

5. 反向漏电流:500uA@40V(待机效率保障)

反向漏电流仅500微安,待机状态下损耗极小,适合智能插座、路由器等低待机功耗产品,符合环保要求下的低功耗设计趋势。

三、封装与可靠性设计

SS34采用DO-214AC(SMA)表面贴装封装,具备以下优势:

  • 体积紧凑:封装尺寸约2.7mm×1.7mm×1.1mm,适配手机充电器、移动电源等小型化产品,PCB布局更灵活;
  • 散热高效:独立式封装让热量直接通过引脚传导至PCB,避免热积累;结合+125℃结温,可满足连续3A工作的散热需求;
  • 工艺稳定:钜兴采用成熟肖特基芯片工艺,批量生产一致性好,避免参数离散导致的系统故障。

四、品牌与品质保障

SS34由国内知名分立器件厂商钜兴(JUXING) 生产,品质经多重验证:

  • 环保认证:RoHS 2.0、REACH(无铅无卤,符合欧盟标准);
  • 可靠性测试:温度循环(-55℃~+125℃,1000次)、湿度测试(85℃/85%RH,1000小时)、浪涌测试(100A,10次),确保长期稳定;
  • 全检出厂:100%参数测试,避免不良品流入,适合量产应用。

五、典型应用场景

SS34的性能优势使其广泛覆盖以下领域:

  1. 开关电源:DC-DC转换器(12V转5V、24V转12V)的续流二极管,提升效率;
  2. 消费电子:手机充电器、移动电源、机顶盒、LED台灯的整流电路;
  3. 工业控制:小型PLC、传感器模块、伺服驱动器的辅助电源;
  4. 汽车电子:车载充电器、行车记录仪电源、胎压监测模块的整流/续流;
  5. 通信设备:路由器、交换机、光模块的电源模块。

六、总结

SS34肖特基二极管以「低损耗、高浪涌、宽温、小体积」为核心竞争力,精准匹配低压中功率场景需求。无论是消费电子的小型化设计,还是工业/车载的严苛环境,都能提供稳定可靠的性能保障,是替代传统整流管的高性价比选择。

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