DA121TT1 diode equivalent, silicon switching diode.
PIN 1. BASE 2. EMITTER 3. COLLECTOR
STYLE 2: PIN 1. ANODE 2. N/C 3. CATHODE
STYLE 3: PIN 1. ANODE 2. ANODE 3. CATHODE
STYLE 4: PIN 1. CATHODE 2. CATHODE 3. ANODE
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Surface mount board layout is a critical portion of the total design. The footprint for the semiconductor packages must .
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