BB-B6174 types) equivalent, (bb-bxx7x) blinking led lamps(round types).
1 Standard T1 3 1 1/4 Duty Cycle 1 Pulse Rate 2.4Hz (VDD=5V) 1 Operating Voltage 3V 10V (DC) 1 Easily be driven by TTL &C-MOS circuit no external circuit needed ABSOLUTE .
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