WMSIC Electronic Components

RUILON SMBJ7.0A

ModelSMBJ7.0A
PackageSMB(DO-214AA)
BrandRUILON
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
RUILON SMBJ7.0A
Type
RUILON
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
SMBJ7.0A
Electronic Component
1
Package
SMB(DO-214AA)
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.232g
Electronic Component
1
Electronic Component
BM0264215867
Operating Temperature
55℃~+150℃
Voltage
12V
Current(Ir)
200uA
Voltage(VBR)
8.95V
Electronic Component
Electronic Component
Electronic Component
3000

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

SMBJ7.0A瞬态抑制二极管(TVS)产品概述

SMBJ7.0A是瑞隆源(RUILON)推出的表面贴装瞬态抑制二极管(TVS),专为7V电压等级的电子系统打造,核心作用是快速吸收瞬态浪涌能量,将过压钳位在安全范围内,保护后端敏感电路免受雷击、静电放电(ESD)、开关浪涌等干扰损坏。该器件采用SMB(DO-214AA)封装,体积紧凑、可靠性高,广泛适配工业控制、通信接口、消费电子等多场景应用。

一、核心参数概览

SMBJ7.0A的核心参数经过精准设计,覆盖过压防护的关键指标,具体如下:

  • 反向截止电压(Vrwm):7V
    系统正常工作时,反向偏置下器件不导通的最大电压,确保7V及以下工作电压下无额外功耗,不影响系统运行。
  • 钳位电压(Vc):12V
    遭遇10/1000μs波形峰值脉冲时,器件快速击穿并将电压限制在12V以内,是后端电路的“安全阈值”。
  • 峰值脉冲电流(Ipp):50A
    单次脉冲可承受的最大峰值电流,能应对常见中功率浪涌(如短时间雷击、大负载开关浪涌)。
  • 峰值脉冲功率(Ppp):600W(@10/1000μs)
    模拟实际环境浪涌的标准波形下,器件的峰值功率吸收能力,适配常见浪涌持续时间(上升沿10μs、半峰值时间1000μs)。
  • 工作温度范围:-55℃ ~ +150℃
    覆盖工业级宽温需求,可在极端高低温环境下稳定工作(如户外通信设备、汽车电子周边模块)。
  • 反向漏电流(Ir):200μA(@Vrwm)
    正常工作时漏电流极低,避免器件自身发热,延长系统使用寿命。

二、关键性能解析

SMBJ7.0A的性能优势集中在“快速响应、精准防护、宽温可靠”三个维度:

  1. 精准的击穿阈值
    击穿电压为8.95V,略高于反向截止电压(7V),既保证正常工作时不误触发,又能在浪涌到来时快速击穿(响应时间<1ns),瞬间启动防护。
  2. 高效的能量吸收
    600W峰值功率与50A峰值电流的组合,可有效吸收IEC 61000-4-5标准下的2kV/2kA浪涌,避免后端IC、电容等元件因过压击穿。
  3. 低功耗设计
    200μA的反向漏电流远低于行业平均水平,长期反向偏置也无明显发热,适合功耗敏感的便携设备。
  4. 宽温可靠性
    经高低温循环测试验证,-55℃~+150℃范围内性能稳定无衰减,满足工业现场严苛环境需求。

三、封装与物理特性

SMBJ7.0A采用SMB(DO-214AA)表面贴装封装,具有以下特点:

  • 体积紧凑:封装尺寸约3.2mm×2.6mm×1.5mm,适配高密度PCB设计(如路由器、机顶盒等小型设备);
  • 焊接便捷:兼容回流焊、波峰焊工艺,无铅环保(符合RoHS 2.0标准);
  • 机械强度高:塑料封装外壳抗冲击、抗振动,适应工业设备的振动环境。

四、典型应用场景

SMBJ7.0A的7V电压等级与宽温特性,使其适配多类电子系统的过压防护:

  1. 低电压数字电路:5V/3.3V系统的电源、信号端口防护(如单片机、FPGA输入输出端);
  2. 通信接口:RS485、USB 2.0/3.0、以太网接口的浪涌防护(避免接口芯片因静电/雷击损坏);
  3. 工业控制模块:PLC输入输出模块、传感器节点的过压保护(适应工业现场宽温与电磁干扰);
  4. 消费电子:机顶盒、智能音箱、路由器的电源与接口防护(应对日常静电放电与开关浪涌)。

五、品牌与选型价值

瑞隆源(RUILON)作为国内知名过压防护厂商,SMBJ7.0A具有以下选型优势:

  • 一致性好:批量生产参数离散性小,避免器件差异导致防护不稳定;
  • 高性价比:同等性能下成本低于进口品牌,适合中低端产品成本控制;
  • 系列化可选:同系列包含SMBJ5.0A、SMBJ6.0A等不同电压型号,灵活适配系统需求;
  • 环保合规:符合RoHS、REACH标准,满足出口产品认证需求。

综上,SMBJ7.0A是专为7V系统设计的高性价比TVS器件,凭借精准防护参数、宽温可靠性与紧凑封装,成为工业控制、通信、消费电子等领域的理想过压防护方案。

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