WMSIC Electronic Components

Bencent BV12C

ModelBV12C
PackageSOD-323
BrandBencent
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
Bencent BV12C
Type
BENCENT
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BENCENT
Electronic Component
BV12C
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.029g
Electronic Component
1
Cj- Capacitor
1.5pF
Electronic Component
BM0258757583
Operating Temperature
55℃~+150℃
Voltage
19V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA

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

BV12C (SOD-323) TVS 二极管产品概述

一、产品简介

BV12C 是由 Bencent(槟城)推出的一款双向瞬态电压抑制器(TVS),封装为小体积 SOD-323,专为静电放电(ESD)和浪涌突发事件提供快速钳位保护而设计。器件额定反向工作电压 Vrwm 为 12V,典型击穿电压为 13.3V,钳位电压在 1A(8/20μs)脉冲条件下约为 19V。其峰值脉冲功率 Ppp 可达 150W(8/20μs),峰值脉冲电流 Ipp 为 1A(8/20μs),静态反向漏电流仅 1μA,结电容小(Cj ≈ 1.5pF),工作温度范围宽(-55℃ 至 +150℃),并满足 IEC 61000-4-2 静电防护要求。

二、主要电气参数(关键值)

  • 类型:双向 TVS(二向瞬态抑制)
  • 反向截止电压 Vrwm:12V
  • 击穿电压(Vbr):13.3V(典型)
  • 钳位电压 Vc:约 19V @ Ipp = 1A(8/20μs)
  • 峰值脉冲电流 Ipp:1A @ 8/20μs
  • 峰值脉冲功率 Ppp:150W @ 8/20μs
  • 反向电流 Ir:1μA(静态,典型)
  • 结电容 Cj:1.5pF(典型)
  • 工作温度:-55℃ ~ +150℃
  • 封装:SOD-323(表面贴装)
  • 防护等级:符合 IEC 61000-4-2

三、产品特性与优势

  • 双向保护:对双向极性浪涌和交替极性静电放电具有对称钳位能力,适合交流或双向数据线的保护;
  • 低钳位电压:在规定脉冲条件下钳位电压约 19V,可在突发过压时有效保护下游敏感器件;
  • 小电容:约 1.5pF 的结电容适合高速接口应用(如 USB、串行总线、信号线等),对信号完整性影响小;
  • 小型封装:SOD-323 体积小,便于在空间受限的产品中布置,同时兼容常规 SMT 贴装与回流工艺;
  • 宽温工作:-55℃ 至 +150℃ 的适用温度,满足多数工业与汽车环境的可靠性要求(请根据应用验证并遵循规范)。

四、典型应用场景

  • 各类接口防护:USB、UART/RS-232、音视频接口、GPIO/DATA Lines;
  • 通讯设备:路由器、交换机、调制解调器等外部端口保护;
  • 工业与仪表:现场总线、传感器线缆接口的浪涌与静电防护;
  • 消费电子:移动设备、外设接口、电源输入端的瞬态抑制;
  • 汽车电子(视系统认证需求):对车内低压控制线的额外过压保护(需参考车规级要求)。

五、PCB 布局与应用建议

  • 靠近受保护端口安放:TVS 应尽量靠近连接器或裸露线缆的输入端放置,以缩短引线长度,减小寄生电感,提高吸收效率;
  • 走线与地处理:若是单端系统,确保 TVS 的地(或另一端)采用低阻抗回流路径,尽量使用宽铜箔或多层地平面;双向器件两端直接连接线与地的放置要紧凑;
  • 串联阻抗配合:在需要降低峰值应力或改善钳位的场合,可在信号线上串联限流电阻与 TVS 搭配使用,但要权衡信号完整性;
  • 热与能量限制:尽管 Ppp 标称为 150W(8/20μs),但器件对多次重复冲击或高能级冲击的耐受有限,应通过系统级设计(如保险、功率限制器、防雷器等)进行保护。

六、选型与注意事项

  • 电压匹配:选择 Vrwm 与系统工作电压接近但高于最大正常工作电压,以避免在正常工作时发生误触发;BV12C 适合 12V 类系统的线路保护;
  • 钳位电压容忍:确认被保护器件对钳位电压(Vc ~19V)有足够耐受余量;
  • 信号速率:结电容 1.5pF 适合高频信号,但对极高速差分信号仍需评估对眼图与时序的影响;
  • 环境与认证:若应用在需要更高级别的工业或汽车认证环境,应核实器件的认证等级与额外测试报告。

七、包装与工艺

  • 封装形式为 SOD-323,小型贴片,兼容常见 SMT 自动化贴装与回流焊流程;在焊接和处理时遵循制造商的回流曲线与湿气防护(MSL)说明。

总结:BV12C(SOD-323)是一款面向 12V 级别电路的双向 TVS,具有较低钳位、低结电容和高脉冲吸收能力,适用于需要节省空间并兼顾高速信号完整性的接口防护场合。选用时请结合系统工作电压、钳位要求及重复冲击能量评估,确保整体保护策略的可靠性。

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