WMSIC Electronic Components

TECH PUBLIC BAT46WJ

ModelBAT46WJ
PackageSOD-323
BrandTECH PUBLIC
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
TECH PUBLIC BAT46WJ
Type
TECH PUBLIC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TECH PUBLIC
Electronic Component
BAT46WJ
Electronic Component
1
Package
SOD-323
Electronic Component
Schottky Diode
Electronic Component
0.034g
Electronic Component
1
Electronic Component
BM0226539231
Current
150mA
Diode
Electronic Component
Current(Ir)
5uA@75V
(Vf)
1V@250mA
Electronic Component
Electronic Component
Electronic Component
3000
Voltage Rating(Vr)
100V

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

产品概述:BAT46WJ 肖特基二极管(TECH PUBLIC / 台舟电子)

一、产品简介

BAT46WJ 是 TECH PUBLIC(台舟电子)推出的独立式肖特基整流二极管,采用 SOD-323 小型表贴封装,面向要求体积小、开关速度快、正向压降较低的整流与保护场合。该器件在微功率直流整流、反向保护、箝位及高频检波等应用中表现稳定,适合便携式设备、通信模块和消费电子的小电流整流场景。

二、主要参数概览

  • 二极管配置:独立式(单只器件)
  • 封装:SOD-323(小型表面贴装)
  • 正向压降 (Vf):1.0 V @ 250 mA
  • 非重复峰值浪涌电流 (Ifsm):750 mA(单次峰值浪涌)
  • 直流反向耐压 (Vr):100 V
  • 反向电流 (Ir):5 μA @ 75 V
  • 典型整流电流:150 mA(连续平均整流电流)

以上参数为器件典型/额定条件下的关键指标,具体使用时请参考台舟电子提供的完整数据手册。

三、性能特点与优势

  • 小型封装:SOD-323 体积小、重量轻,便于高密度 PCB 布局与自动化贴装。
  • 较高反向耐压:100 V 的反向耐压为本器件在高电压环境下的应用提供更大灵活性,适用于需更高反向余量的电路设计。
  • 低正向压降:在 250 mA 电流条件下 Vf ≈ 1.0 V,能降低功耗与发热(相较于一般硅整流二极管),有利于提升效率。
  • 峰值浪涌能力:非重复峰值 750 mA,可承受短时浪涌或浪涌事件(例如电源开机或瞬态冲击)。
  • 低反向漏电:在 75 V 条件下 Ir≈5 μA,对于低待机功耗应用更友好。

四、典型应用场景

  • 低电流整流:便携式电源、小功率开关电源及检测电路的高频整流和检波。
  • 反向保护:用于防止电源极性接反,对后级电路提供保护。
  • 峰值/浪涌限制与钳位:在需要快速钳位的电路中作为保护元件使用。
  • 信号整流与检测:射频/高频检测链路中可作为检波二极管使用(需关注功率与线性度)。
  • 便携与消费电子:体积受限且电流需求在规格范围内的移动设备、传感器模块等。

五、设计与使用建议

  • 电流与散热:连续整流电流额定为 150 mA,建议在实际设计中考虑适当余量(例如按 70–80% 额定值设计),并留意 SOD-323 的散热限制。若工作环境温度较高或靠近热源,应降低通过电流或改善 PCB 散热(增大铜箔面积、使用散热过孔等)。
  • 浪涌保护:Ifsm 为非重复峰值 750 mA,适用于短时冲击。对于频繁或较大浪涌场合,应选用更高浪涌能力的器件或并联/配合软启动电路。
  • 反向漏电随温升增大:尽管 5 μA @75 V 表明漏电低,但肖特基二极管的漏电随温度上升显著增加,避免在高温与高反向电压同时长期工作。
  • PCB 布局:为减少寄生电感和提升热散效果,尽量缩短二极管输入/输出走线,贴近热源或与相关器件做好热耦合设计。SOD-323 适合贴装于组件密集区,但需保证波峰/回流焊工艺参数符合厂家建议。
  • 焊接与可靠性:遵循台舟电子的焊接和回流温度曲线,避免重复高温回流和机械应力。储存与搬运时注意静电防护和潮湿等级要求。

六、选型备注与替代考虑

BAT46WJ 在小电流、高反压场合具备优势;若设计需要更低的正向压降、更大的连续电流或更高的抗浪涌能力,可考虑更大封装或不同型号的肖特基器件。选型时应结合:

  • 最大工作电流与持续功耗预算
  • 工作环境温度与热管理方案
  • 预期浪涌幅度与频率
  • 封装尺寸与自动化贴装兼容性

如需采购或批量替代,建议索取台舟电子的完整规格书与样品,并进行实际电路验证以确认在目标应用中的性能与可靠性。

七、结论

TECH PUBLIC(台舟电子)BAT46WJ 为一款兼具小体积与较高反向耐压的肖特基二极管,适合于需低损耗整流与反向保护的轻载应用。结合合理的热管理与电流设计,可在便携与消费电子、通信模块等领域提供稳定的整流与保护功能。若需要更高电流或更低压降的应用,请在确认规格书后选择更合适的型号。

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