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12-channel TIP122 transistor key


Twelve channel key for DC loads, max 50 V, 500 mA/channel.

specifications
Channels - 12
Input current - 10 mA (TTL)
Load voltage - 12-50 V DC
Load current - 0.5 A per channel (w/o heat sink)
Dimensions - 80х35 mm


Schematic (single channel)


parts list
TIP122 - 12
1 k 0,25 W resistor - 12


PCB (copper side) [download 12tip122c.cdr]


* For laser printed PCB template, flip image horizontally or vertically

datasheet

PostScriptum
If inductive load is used, there should be suppressing diode.


 

проектирование, изготовление, монтаж

PCB