STMicroelectronics LM339N Quad Comparator, Open Collector O/P, 1.3μs 3 → 28 V 14-Pin MDIP. BMUK Part # :- ST LM339N. Comparator Type General Purpose. 5 x Microchip MCP6541UT-I/LT Comparator, Push-Pull O/P, 1.6- 5.5V 5-Pin SC-70.
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