WMSIC Electronic Components

SHIKUES SMF6.5CA

ModelSMF6.5CA
PackageSOD-123FL
BrandSHIKUES
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
SHIKUES SMF6.5CA
Type
SHIKUES
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SHIKUES
Electronic Component
SMF6.5CA
Electronic Component
1
Package
SOD-123FL
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.038g
Electronic Component
1
Electronic Component
BM0265438436
Operating Temperature
55℃~+150℃
Voltage
11.2V
Current(Ir)
10uA
Voltage(VBR)
7.98V
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.

SMF6.5CA瞬态抑制二极管(TVS)产品概述

SMF6.5CA是SHIKUES(时科)推出的一款双向瞬态抑制二极管(TVS),主打小封装、高可靠性和宽温适应能力,核心用于各类电子电路的过压浪涌防护,避免瞬态脉冲对敏感元器件(如MCU、传感器)造成不可逆损坏。

一、产品基本属性

  • 品牌与类型:SHIKUES(时科)旗下TVS器件,专为瞬态电压抑制设计;
  • 极性:双向导通,无需区分正负极,焊接和电路布局更灵活;
  • 封装形式:SOD-123FL表面贴装封装,尺寸紧凑(典型规格约1.6mm×0.8mm×0.6mm),适配高密度PCB设计;
  • 环保特性:符合RoHS无铅标准,满足绿色电子制造需求。

二、核心电气参数详解

TVS的核心价值体现在对瞬态浪涌的快速响应和精准电压钳位,以下是SMF6.5CA的关键参数解读:

  1. 反向截止电压(Vrwm):6.5V
    正常工作状态下,反向偏置时器件能承受的最大电压,此时TVS处于截止状态,漏电流极小,不影响电路正常运行。若电路工作电压为5V/3.3V等低电压,该参数可完美匹配。

  2. 击穿电压(Vbr):7.98V
    当电路出现瞬态浪涌(如静电、电源尖峰),电压超过此阈值时,TVS迅速由截止转为导通,开启过压保护。该值略高于Vrwm,确保正常工作时不会误触发。

  3. 钳位电压(Vc):11.2V
    浪涌脉冲作用下,TVS能将电路电压钳位到的最大安全值,是保护后端敏感元件的核心参数——若Vc过高,仍可能损坏元件;SMF6.5CA的11.2V可有效控制浪涌电压在安全范围内。

  4. 峰值脉冲电流(Ipp)与功率(Ppp)

    • 峰值脉冲电流:17.9A(@10/1000μs浪涌波形)
    • 峰值脉冲功率:200W(@10/1000μs浪涌波形)
      这里的“10/1000μs”是行业标准浪涌波形(前沿10μs达到峰值,半峰值持续1000μs),表示器件能承受的最大浪涌强度——即使电路遭遇较强瞬态脉冲,也能快速泄放能量,避免后端元件受损。
  5. 反向漏电流(Ir):10μA
    正常反向偏置(6.5V)时的漏电流,仅10μA,几乎不影响电路功耗,适合低功耗设计场景(如便携设备)。

  6. 工作温度范围:-55℃~+150℃
    宽温范围覆盖工业级、汽车级等 harsh环境(如车载高温、户外低温场景),长期使用可靠性更高。

三、封装与可靠性优势

SOD-123FL封装为SMF6.5CA带来三大核心优势:

  • 小体积适配:紧凑尺寸适合手机、平板、小型传感器等便携/微型设备的高密度PCB;
  • 高可靠性焊接:无铅封装可承受回流焊峰值温度(典型260℃),焊接一致性好,长期使用不易出现虚焊;
  • 抗恶劣环境:结合-55~150℃的工作温度,能在高低温循环、湿度变化等场景下稳定工作。

四、典型应用场景

SMF6.5CA的参数特性使其适配多类电子设备的过压防护:

  1. 消费电子:手机/平板的USB充电口、Type-C数据接口,防止充电浪涌或静电损坏;
  2. 工业控制:PLC模块、工业传感器、RS485通信接口的瞬态防护;
  3. 汽车电子:车载中控、胎压监测传感器的12V系统过压防护(需结合电路设计验证);
  4. 通信设备:路由器、交换机的以太网端口、射频模块的浪涌抑制;
  5. 低电压电源:5V/3.3V电源电路的过压保护,避免电源瞬态波动损坏后端MCU。

五、选型与使用注意事项

  1. 电压匹配:Vrwm(6.5V)需略高于电路正常工作电压(如5V电路适配性好),避免正常工作时触发保护;
  2. 封装匹配:若PCB空间有限,SOD-123FL是优先选择;若需更大浪涌功率,可并联多个器件(需注意均流);
  3. 焊接规范:遵循无铅回流焊工艺,避免焊接温度过高损坏器件;
  4. 极性确认:双向器件无需区分正负,焊接时无需额外判断,简化布局。

综上,SMF6.5CA是一款性价比高、适配性强的小封装TVS,适合对体积、宽温、浪涌防护有要求的各类电子设计。

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