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RUILON SMAJ48CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON SMAJ48CA
- Type
- RUILON
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RUILON
- Electronic Component
- SMAJ48CA
- Electronic Component
- 1
- Package
- DO-214AC
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.1g
- Electronic Component
- 1
- Electronic Component
- BM0265275144
- Operating Temperature
- 55℃~+150℃
- Voltage
- 77.4V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-2
- Current(Ir)
- 1uA
- Voltage(VBR)
- 61.3V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMAJ48CA 瞬态抑制二极管（TVS）产品概述
一、产品基本定位与核心身份
SMAJ48CA是瑞隆源（RUILON）推出的双向贴片式瞬态抑制二极管（TVS），核心作用是快速响应电路中的瞬态过压干扰，保护敏感电子元件免受静电放电（ESD）、电快速瞬变脉冲群（EFT）等损坏。其采用DO-214AC（SMA封装），体积紧凑（约2.7×1.6mm），适配自动化贴装，适合小型化、高密度电路设计。
二、关键电气参数详解
1. 极性与截止/击穿特性
双向极性设计，可同时防护正、负方向的瞬态过压；反向截止电压（Vrwm）为48V，即电路正常工作时，器件反向偏置下可承受的最大电压（无导通）；击穿电压（Vbr）为61.3V，是反向击穿的典型电压值，此时器件快速导通泄放脉冲能量。
2. 脉冲防护能力
峰值脉冲功率（Ppp）达400W（对应10/1000us脉冲波形，上升沿10us、半峰值时间1000us），峰值脉冲电流（Ipp）为5.2A，可有效泄放中等强度瞬态能量；钳位电压（Vc）为77.4V（典型值），脉冲到来时将两端电压钳位在此值，确保后端电路不超耐受极限。
3. 漏电流与损耗
反向电流（Ir）仅1uA（典型值），正常工作时漏电流极小，几乎不影响电路功耗与性能。
三、电磁防护能力与认证标准
SMAJ48CA符合**IEC 61000-4-4（电快速瞬变脉冲群）和IEC 61000-4-2（静电放电）**防护标准，可应对常见干扰场景：
- 静电放电（ESD）：防护人体接触/设备间放电产生的瞬态高压，避免MCU、传感器等敏感IC损坏；
- 电快速瞬变脉冲群（EFT）：针对开关操作、雷电感应等产生的快速脉冲群，快速导通泄放能量，保障电路稳定。
四、封装与典型应用场景
采用DO-214AC（SMA封装），贴片式设计适配自动化生产，广泛应用于：
- 消费电子：手机、平板、智能穿戴的充电/数据接口防护；
- 工业控制：PLC、传感器模块、伺服驱动器的输入输出端；
- 汽车电子：车载传感器、中控系统、充电端口（宽温特性适配汽车环境）；
- 通信设备：路由器、交换机的接口电路防护。
五、环境适应性与可靠性
工作温度范围为**-55℃~+150℃**，覆盖工业级宽温要求，可在极端温度环境（如户外设备、汽车发动机舱）稳定工作；器件采用成熟工艺制造，脉冲防护能力一致性好，反向漏电流低，满足长期使用可靠性需求。
六、品牌与应用价值
瑞隆源（RUILON）作为国内过压防护器件品牌，SMAJ48CA具备成本效益与性能平衡优势：体积紧凑不占空间，防护能力适配多数中低功率电路，双极性+宽温设计覆盖多场景，是替代进口同类器件的高性价比选择。
该器件以高响应速度、低损耗、宽温特性，成为电子设备瞬态过压防护的常用器件，可有效提升电路抗干扰能力与可靠性。
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