| Model | TO-220A | TO-220B | TO-220D | TO-3PA | TO-3PB | TO-3PC | Unit | |||
| Specific Gravity | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | g/cm^3 | |||
| Hardness | 75±5 | 75±5 | 75±5 | 75±5 | 75±5 | 75±5 | A | |||
| Continuous use Temp | -40~160℃ | -40~160℃ | -40~160℃ | -40~160℃ | -40~160℃ | -40~160℃ | ℃ | |||
| Voltage Endurance | >4.0KV | >4.0KV | >4.0KV | >4.0KV | >4.0KV | >4.0KV | KV/mm | |||
| Flame Rating | V-0 | V-0 | V-0 | V-0 | V-0 | V-0 | ||||
| Thermal Conductivity | 1.0w/m-k | 1.0w/m-k | 1.0w/m-k | 1.0w/m-k | 1.0w/m-k | 1.0w/m-k | w/m-k | |||
Size | ||||||||||
| ITEM NO | IMD A | DIM B | DIM C | DIM D | ||||||
| TO-220A | 21.5±0.3 | 11.5±0.5 | 5.9±0.3 | 0.5±0.1 | ||||||
| TO-220B | 16.0±0.3 | 11.5±0.5 | 5.9±0.3 | 0.5±0.1 | ||||||
| TO-220C | 21.8±0.3 | 12.1±0.5 | 6.5±0.3 | 0.8±0.1 | ||||||
| TO-3PA | 28.5±0.3 | 17.5±0.5 | 5.9±0.3 | 0.5±0.1 | ||||||
| TO-3PB | 28.8±0.3 | 18.2±0.5 | 6.6±0.3 | 0.8±0.1 | ||||||
| TO-3PC | 22.0±0.3 | 17.5±0.5 | 5.9±0.3 | 0.5±0.1 | ||||||