WMSIC Electronic Components

GOODWORK SMF15CA

ModelSMF15CA
PackageSOD-123FL
BrandGOODWORK
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
GOODWORK SMF15CA
Type
SOD-123FL
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GOODWORK
Electronic Component
SMF15CA
Electronic Component
1
Package
SOD-123FL
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.042g
Electronic Component
1
Electronic Component
BM0257623386
Operating Temperature
55℃~+150℃
Voltage
24.4V
Current(Ir)
1uA
Voltage(VBR)
16.7V
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.

SMF15CA 产品概述

一、产品简介

SMF15CA 为 GOODWORK(固得沃克)出品的双向瞬态电压抑制器(TVS),采用紧凑的 SOD-123FL 封装,专为对称或可反向的浪涌/瞬变保护设计。器件具有低漏电、高击穿精度和快速响应特性,适合对 12V 及类似电源轨、数据/通信接口的过压浪涌保护需求。

二、主要电气参数

  • 极性:双向,支持正反向瞬态钳位。
  • 反向截止电压 Vrwm:15 V(工作站立电压)。
  • 击穿电压 Vbr:16.7 V(典型或标称值)。
  • 钳位电压 Vcl:24.4 V(在规定峰值脉冲电流下)。
  • 峰值脉冲电流 Ipp:8.2 A(器件在规定条件下的峰值脉冲承受能力)。
  • 峰值脉冲功率 Ppp:200 W(在指定脉冲条件下的瞬态能量吸收能力)。
  • 反向电流 Ir:1 μA(在 Vrwm 下的典型漏电流,利于低功耗应用)。
  • 工作温度范围:-55 ℃ ~ +150 ℃(结温范围,适合工业等级环境)。

三、封装与热特性

SOD-123FL 小型封装为 SMT 贴片形式,占板面积小、引脚间距短,有利于快速响应和降低串联总电感。封装的热阻和焊盘设计会直接影响瞬态能量散热能力,建议在 PCB 设计时考虑热扩散路径以提升器件寿命与稳态性能。

四、典型应用场景

  • 汽车 12V 车载辅助电路(非严格 AEC-Q100 认证场景需另行确认)。
  • 工业控制与自动化设备的电源轨和 I/O 接口保护。
  • 通信接口(如 RS-485、串口总线)及供电线路的瞬变抑制。
  • 电源适配器、逆变器辅助保护以及楼宇设备的过压防护。

五、设计与布局建议

  • 器件应尽量靠近被保护的输入端或连接器放置,短而粗的走线有助于降低钳位电压并提升响应速度。
  • 为保证热量散发,推荐在器件下方和周围设计适当的铜皮,必要时采用多层连接过孔扩大散热面积。
  • 对于可能出现的重复大能量脉冲场合,评估器件是否需要与限流元件(如熔断器、PTC)配合使用以避免超载。
  • 注意回流焊工艺参数符合 SOD-123FL 的焊接规范,避免过高的焊接温度损伤器件。

六、使用注意事项与选型提示

  • SMF15CA 能有效抑制短时高能瞬变,但不是替代过流保护器件;长期或反复超额脉冲会降低可靠性。
  • 选型时确认脉冲测试条件(脉冲波形、持续时间、重复频率)与实际工况一致,以免误判保护能力。
  • 在对极端环境或关键安全系统应用前,建议做实际浪涌试验和温升评估,并参考厂商提供的详细数据手册与曲线。

如需完整数据手册、典型波形曲线或 PCB 封装尺寸图,我可以为您提供或协助比较同类型号以便更好地选型。

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