TO-220A Plastic Insulator Cover

Plastic insulation is the material that insulates TO-220A sheathing materials such as integrated circuits, transistors, voltage regulators, and triacs in your circuits.

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