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The SG2003J is a high-reliability Darlington transistor array manufactured by Microchip Technology. It features an NPN configuration with seven internal drivers arranged in an array. The device supports through-hole mounting in a CDIP-16 package. Key electrical specifications include a maximum collector-emitter voltage (VCEO) of 50 V and a maximum DC collector current of 500 mA. The minimum DC collector/base gain (hfe) is specified at 1000, with open collector outputs. It operates within a temperature range of -55°C to +125°C.
Verify the specific suffix requirements for your application, as military-grade variants often require distinct ordering codes compared to commercial equivalents. Confirm RoHS compliance status directly with the manufacturer or authorized distributors, as historical data may vary. Ensure that the CDIP-16 package availability aligns with your PCB footprint constraints before finalizing procurement plans.
Select this component when high current drive capability is required from low-level logic signals. The Darlington configuration eliminates the need for external pre-driver transistors. Verify that the 50 V voltage rating and 500 mA current limit meet the load requirements. Consider the thermal dissipation capabilities of the CDIP-16 package under continuous operation conditions.
This part belongs to Microchip's SG series of high-reliability semiconductor devices. These components are typically designed to meet stringent military standards such as MIL-PRF-19500. The SG2003J serves as a robust alternative to standard commercial Darlington arrays in applications requiring extended temperature ranges and enhanced durability.
Public confirmed substitute part numbers: SG2003J-JAN.