引脚定义与内部结构
| 引脚 | 符号 | 名称 |
|---|---|---|
| 1 | I | |
| 2 | 500 | |
| 3 | 750 | |
| 4 | I | |
| 5 | V |
数据来源：原厂规格书引脚图
关键参数速览
- 反向电压 VR
- 3 750
- 正向电流 IF
- 30
- 隔离电压 VISO
- 3 750
- 电源电压 VCC
- 7
产品特点 Features
- Low power consumption (V = 3.3 V)
- Pulse width distortion (t PHL − t PLH = 35 ns MAX.) PIN CONNECTION
- High common mode transient immunity (CM , CM = ±15 kV/µs MIN.) (Top View)
- Small package (SO-5)
- 5 4 3
- High-speed (15 Mbps)
- 1. Anode
- PS9121 Data Sheet
绝对最大额定值 Absolute Maximum Ratings（TA = 25°C）
超过下表数值可能造成器件永久损坏，设计时请留余量。
| 参数 | 符号 | 额定值 | 单位 |
|---|---|---|---|
| Diode Forward Current *1 | I | 30 | mA |
| Detector Supply Voltage | V CC | 7 | V |
| Output Voltage | V | 7 | V |
| Output Current | I | 25 | mA |
| Power Dissipation *2 | P | 40 | mW |
| Isolation Voltage *3 | BV | 3 750 | Vr.m.s. |
| Operating Ambient Temperature | T | − 40 to + 85 | °C |
| Storage Temperature | T | − 55 to + 125 | °C |
| Pins 1-2 shorted together, 3-5 | shorted together. | ||
| Package temperature | Tsi | 150 | °C |
| Current (input current I , Psi = 0) | Isi | 200 | mA |
| Power (output or total power dissipation) | Psi | 300 | mW |
| V = 500 V dc at T = Tsi | Ris MIN. | 109 | Ω |
数据来源：原厂规格书
安全与绝缘额定值（DIN EN/IEC 60747−5−5）
| 参数 | 符号 | 额定值 | 单位 |
|---|---|---|---|
| U = 1.6 × U , P < 5 pC | |||
| Test voltage (partial discharge test, procedure b for all devices) | U pr | 1 326 | V peak |
| U = 1.875 × U , P < 5 pC | |||
| Highest permissible overvoltage | U | 6 000 | V |
| Degree of pollution (IEC 60664-1/DIN EN 60664-1 (VDE 0110-1)) | 2 | ||
| Comparative tracking index (IEC 60112/DIN EN 60112 (VDE | 0303-11)) CTI | 175 | |
| Material group (IEC 60664-1/DIN EN 60664-1 (VDE 0110-1)) | III a | ||
| Storage temperature range | T | − 55 to +125 | °C |
| Operating temperature range | T | − 40 to +85 | °C |
| V = 500 V dc at T = 25 °C | Ris MIN. | 1012 | Ω |
| V = 500 V dc at T MAX. at least 100 °C | Ris MIN. | 1011 | Ω |