产品应用与封装尺寸
图纸取自原厂规格书，点击可放大查看原始尺寸标注。
引脚定义与内部结构
| 引脚 | 符号 | 名称 |
|---|---|---|
| 1 | A | |
| 2 | I | |
| 3 | EMITTER | |
| 4 | COLLECTOR | |
| 5 | V | |
| 7 | V | |
| 8 | I |
数据来源：原厂规格书引脚图
关键参数速览
- 正向电压 VF
- 1.3
- 电流传输比 CTR
- 600
- 正向电流 IF
- 50
- 工作温度 TA
- −55 to +100
产品特点 Features
- Compact 4−Pin Package
- ♦ 2.4 mm Maximum Standoff Height CATHODE 2 3 EMITTER
- ♦ Half−Pitch Leads for Optimum Board Space Savings
- HMHA281, HMHA2801 Series
- Parameter Characteristics
- Installation Classifications per DIN VDE 0110/1.89 Table 1, For Rated Mains Voltage < 150 V I–IV
- < 300 V I–III
- Pollution Degree (DIN VDE 0110/1.89) 2
- Comparative Tracking Index 175
- Symbol Parameter Value Unit
- V PR Input−to−Output Test Voltage, Method A, V IORM x 1.6 = V PR , Type and Sample Test
- 904 V with t = 10 s, Partial Discharge < 5 pC peak
- Input−to−Output Test Voltage, Method B, V x 1.875 = V , 100% Production Test
- IORM PR
- 1060 V with t = 1 s, Partial Discharge < 5 pC peak
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。
| 符号 | 参数 | 值 | 单位 |
|---|---|---|---|
| T Storage | Temperature | −55 to +125 | °C |
| T Operating | Temperature | −55 to +100 | °C |
| T Junction | Temperature | −40 to +125 | °C |
| P Total Device | Power Dissipation @ T = 25°C | 210 | mW |
| Derate Above | 25°C | 2.1 | mW/°C |
| I Continuous | Forward Current | 50 | mA |
| I Peak Forward | Current (1 µs pulse, 300 pps) | 1 | A |
| P LED Power | Dissipation @ T = 25°C | 60 | mW |
| Derate Above | 25°C | 0.6 | mW/°C |
| I Continuous | Collector Current | 50 | mA |
| V Collector−Emitter | Voltage | 80 | V |
| V Emitter−Collector | Voltage | 7 | V |
| P Detector Power | Dissipation @ T = 25°C | 150 | mW |
| Derate Above | 25°C | 1.5 | mW/°C |
数据来源：原厂规格书
安全与绝缘额定值（DIN EN/IEC 60747−5−5）
| 符号 | 参数 | 值 | 单位 |
|---|---|---|---|
| HMHA281, HMHA2801 | Series | ||
| < 300 V I–III | |||
| Pollution Degree (DIN VDE 0110/1.89) | 2 | ||
| Comparative Tracking Index | 175 | ||
| V PR Input−to−Output | Test Voltage, Method A, V IORM x 1.6 = V PR , Type and | Sample Test 904 | V |
| with t = 10 s, | Partial Discharge < 5 pC | peak | |
| Input−to−Output | Test Voltage, Method B, V x 1.875 = V , 100% | Production Test 1060 | V |
| with t = 1 s, | Partial Discharge < 5 pC | peak | |
| V Highest Allowable | Over−Voltage | 4000 ≥5 | V |
| External Creepage | ≥5 | mm | |
| External Clearance | ≥0.4 | mm | |
| T Case Temperature | (Note 1) | 150 | °C |
| I Input Current (Note | 1) | 200 | mA |
| P Output Power | (Note 1) | 300 | mW |
| R IO Insulation Resistance | at T S , V IO = 500 V (Note 1) | >109 | kΩ |
| HMHA281, HMHA2801 | Series |
电气特性 Electrical Characteristics（TA = 25°C）
| 符号 | 参数 | 测试条件 | 器件 | 最小 | 典型 | 最大 | 单位 |
|---|---|---|---|---|---|---|---|
| V Forward | Voltage | I = 10 mA | All | 1.0 | − | 1.3 | V |
| BV Breakdown | Voltage Collector to Emitter | I = 0.5 mA, I = 0 | All | 80 | − | − | V |
| BV Emitter | to Collector | I = 100 µA, I = 0 | All | 7 | − | − | |
| I Collector | Dark Current | V = 80 V, I = 0 | All | − | − | 100 | nA |
| C | Capacitance | V = 0 V, f = 1 MHz | All | − | 10 | − | pF |
| CTR DC | Current Transfer Ratio | I = 5 mA, V = 5 V | HMHA281 | 50 | − | 600 | % |
| HMHA2801 | 80 | − | 600 | ||||
| HMHA2801A | 80 | − | 160 | ||||
| HMHA2801B | 130 | − | 260 | ||||
| HMHA2801C | 200 | − | 400 | ||||
| V Saturation | Voltage | I = 8 mA, I = 2.4 mA | HMHA281 | − | − | 0.4 | V |
| I = 10 mA, I = 2 mA | HMHA2801, | − | − | 0.3 | |||
| t Rise | Time (Non−Saturated) | I = 2 mA, V = 5 V, R = 100 | kΩ All | − | 3 | − | µs |
| t Fall | Time (Non−Saturated) | I = 2 mA, V = 5 V, R = 100 | kΩ All | − | 3 | − |
特性曲线（Typical Performance Curves）
