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C1841 - 2SC1841
2SC1841 - NPN SILICON TRANSISTOR
LTC1841 - Ultralow Power Dual Comparators
AIC1841 - REGULATED GaAsFET BIAS
AIC1841 - High Efficiency 1.5X charge Pump
USC1841 - QUAD 8 BIT DAC
UC1841 - Programmable Off-Line PWM Controller