WMSIC Electronic Components

BORN SMBJ16CA

ModelSMBJ16CA
PackageDO-214AA(SMB)
BrandBORN
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BORN SMBJ16CA
Type
BORN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BORN
Electronic Component
SMBJ16CA
Electronic Component
1
Package
DO-214AA(SMB)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.182g
Electronic Component
1
Electronic Component
BM0226248344
Operating Temperature
55℃~+150℃
Voltage
26V
Current(Ir)
1uA
Voltage(VBR)
17.8V
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.

SMBJ16CA 瞬态抑制二极管(TVS)产品概述

一、产品简介

SMBJ16CA 是 BORN(伯恩半导体)推出的一款双向瞬态电压抑制二极管(TVS),采用 DO-214AA(SMB)封装,专为瞬态浪涌、感应雷击和电气过冲保护设计。该器件在 10/1000 μs 脉冲条件下可承受高达 600W 的峰值脉冲功率,具有快速响应、低泄漏和宽工作温度范围,适用于工业、汽车和消费类电子系统的稳压保护与浪涌钳位。

主要参数一览:

  • 钳位电压 (Vc):26 V(典型/峰值钳位)
  • 反向截止电压 Vrwm(额定工作电压):16 V
  • 击穿电压 Vbr:17.8 V
  • 峰值脉冲功率 Pppm:600 W @ 10/1000 μs
  • 峰值脉冲电流 Ipp:23.1 A
  • 反向电流 Ir:1 μA(在 Vrwm 条件下)
  • 极性:双向(Bidirectional)
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:DO-214AA(SMB)
  • 类型:瞬态抑制二极管(TVS)

二、工作原理与关键电气特性

TVS 二极管在正常工作时处于截断状态,对电路影响极小(反向漏电微弱,典型 1 μA)。当线路电压超过器件的击穿电压(约 17.8 V)时,器件进入雪崩导通状态,迅速将过高能量限制在钳位电压附近(约 26 V),把瞬态能量导入接地或回路线,从而保护后级元件免受高压冲击。双向结构能够对正、负两极瞬态同时提供保护,适用于交流或双向数据/信号线应用。

三、产品特性与优势

  • 高浪涌承受能力:在 10/1000 μs 波形下峰值功率达 600 W,能承受较长持续时间的冲击脉冲。
  • 双向保护:无需额外反向并联器件,适合两极对称的浪涌抑制场合。
  • 宽温度范围:-55 ℃ 至 +150 ℃,适合苛刻环境与高温工作场景。
  • 低漏电流:在额定电压下漏电小,有利于低功耗系统和高阻抗电路。
  • SMB 封装:良好的热散能力与机械强度,便于手工或自动贴装。

四、典型应用场景

  • 电源线路保护:DC 供电总线、适配器输出、逆变器输入等。
  • 通信与数据接口:RS-485、CAN 总线、以太网非隔离端口等双向数据线路。
  • 汽车电子:车载控制模块、车身电子、车载充电器等需承受瞬态浪涌的部位。
  • 工业控制:PLC、传感器供电与信号线保护,现场设备抗干扰。
  • 消费电子:家电、充电设备与便携电子的过压保护。

五、封装与安装注意

SMBJ16CA 使用 DO-214AA(SMB)表面贴装封装,建议贴装时注意:

  • PCB 为最短回流路径,尽量缩短连接到地或返回线的走线,降低回路电感。
  • 在高能量应用中应确保焊盘与地之间有良好热散路径,必要时增加铜厚或加大接地层面积。
  • 避免将器件置于热源正上方,回流焊工艺需参照 SMB 封装的推荐温度曲线以防热损伤。

六、选型与可靠性建议

  • 若系统工作电压接近或略高于 16 V,应考虑将 Vrwm 与工作电压保持一定余量,避免器件在正常抖动中频繁进入雪崩区。
  • 对于更高浪涌能量要求,可并联多个 TVS 或选用额定功率更高的型号,但并联时需注意一致性与热分布。
  • 在关键系统中建议与慢断保險丝(PTC 或熔断器)联合使用,以防极端条件下器件损坏导致次生故障。

七、包装与订购信息

型号:SMBJ16CA(BORN,伯恩半导体);封装:SMB / DO-214AA。订购时请向供应商确认完整的型号、包装数量与品质认证(如 AEC-Q101 等,若用于汽车应用需确认相应认证)。如需样品或大批量采购,请注明工作温度、浪涌波形与应用场景以便获得最佳建议。

总结:SMBJ16CA 提供了稳定可靠的双向浪涌保护,适配多种工业与汽车级应用。合理的 PCB 布局与热管理能提升其长期稳定性,是一款在中等电压与高能冲击场合表现均衡的 TVS 器件。

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