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The LM194H-MCP is a matched NPN transistor array manufactured by National Semiconductor. It consists of two supermatched NPN transistors housed in a TO-5 package with six pins. The device features a collector current rating of 0.02A and a collector-emitter breakdown voltage of 35V. As a silicon bipolar junction transistor, it is designed for precision applications requiring closely matched electrical characteristics between the paired elements.
Verify the manufacturer source carefully as National Semiconductor's discrete product lines have transitioned to Texas Instruments or Rochester Electronics. Confirm the specific suffix 'MCP' matches the required military or high-reliability specifications if applicable. Ensure the TO-5 package style aligns with existing board layouts before procurement.
Select this component when precise matching between two NPN transistors is critical for circuit performance. The TO-5 package requires through-hole mounting considerations. Evaluate the 35V breakdown voltage and 0.02A current limits against the specific signal levels and load requirements of the target application to ensure adequate headroom.
This part belongs to the LM194 family of supermatched pairs. The LM194H variant typically denotes specific binning for tighter parameter tolerances compared to standard versions. The MCP suffix often indicates a military or high-reliability grade version of the standard LM194H transistor pair.
LM194H/883