U643 डाटा शीट PDF( Datasheet )

U643B Flasher, 30-mW Shunt Description The bipolar integrated circuit U643B is used in relaycontrolled automotive flashers where a high-level EMC is required. Lamp outage is indicated by frequency doubling duri

Features • Temperature and Voltage Compensated Frequency • Warning Indication of Lamp Failure by Means of Frequency Doubling only in Direction • • • • • • • Mode Voltage Dependence of the Car

U6433B Flasher, 18-mW Shunt, Frequency Doubling Disabling Description The design of the U6433B is mainly based on the good results of U6043B in terms of EMC (Electro Magnetic Capability) and protection features

Features • • • • • • • • Temperature and Voltage Compensated Frequency Warning Indication of Lamp Failure by Means of Frequency Doubling can be Disabled Voltage Dependence of the Car Indicator L

Features • Temperature and Supply Voltage Compensated Flashing Frequency • Frequency Doubling Indicates Lamp Outage • Relay Driver Output with High Current Carrying Capacity and Low Saturation Voltage �