---
source: huluic.cn
data_as_of: 2026-10-20T11:43:26.743Z
max_staleness: 1h
cached: false
source_url: https://huluic.cn/product/stmicroelectronics/STMSMAJ40CATR/rRjJJKbr
---

# 元件详情：STMSMAJ40CATR

- **型号**: STMSMAJ40CATR
- **oneic 编号**: 390-STMSMAJ40CATR
- **厂商**: STMicroelectronics N.V.
- **描述**: Diode TVS Single Bi-Dir 40V 400W 2-Pin SMA T/R
- **分类**: 电路保护解决方案 / TVS压敏电阻和MOV / TVS压敏电阻和MOV

## 规格参数

### 电气参数

| 参数 | 值 |
| --- | --- |
| 输出电流 | 1 mA |
| 峰值脉冲功率 | 400 W |
| 钳位电压 | 84 V |
| 击穿电压 | 44.4 V |
| 最小输入电压 | 40 V |
| 峰值脉冲电流（8/20µs） | 27 A |
| 反向漏电流 @ Vr | 0.2 uA |

### 机械参数

| 参数 | 值 |
| --- | --- |
| 安装类型 | Surface Mount |
| 封装形式 | 2SMA |

### 产品信息

| 参数 | 值 |
| --- | --- |
| 配置 | Single |
| 端口方向 | Bi-Directional |

### 环境参数

| 参数 | 值 |
| --- | --- |
| 工作温度 | -55 to 150 °C |

## 数据手册

- [Datasheet](http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATASHEET/CD00001333.pdf)

## 实时报价

> 报价接口（需 API Key）：`https://r.huluic.cn/v2/offers/STMSMAJ40CATR`

> 现货购买：[huluic.cn 产品页](https://huluic.cn/product/stmicroelectronics/STMSMAJ40CATR/rRjJJKbr?utm_source=huluic&utm_medium=md&utm_campaign=geo)

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数据来源：[huluic.cn](https://huluic.cn)