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The DDTC142TE-7-F is an obsolete NPN pre-biased transistor from Diodes Incorporated, housed in a SOT523 package. It features a built-in biasing resistor R1 of 0.47kΩ with R2 left open. Key electrical ratings include a collector-emitter voltage (VCEO) of 50V, continuous collector current of 100mA, and power dissipation of 150mW at 25°C. The device operates within a temperature range of -55°C to +150°C and meets AEC-Q101 standards for high reliability.
This component is officially marked as obsolete and discontinued by the manufacturer. Verification of availability requires direct contact with Diodes Incorporated or authorized distributors, as standard supply channels may no longer support this part number. Engineering teams should assess end-of-life status before finalizing designs.
Designers must account for the discontinued status when selecting this component. Alternative parts within the DDTC series or equivalent pre-biased transistors should be evaluated for pin compatibility and electrical specifications. Verify that any substitute maintains the required AEC-Q101 qualification if used in automotive contexts.
The DDTC142TE-7-F belongs to the DDTC series of NPN pre-biased transistors. This series integrates internal resistors to simplify circuit design and reduce PCB footprint. The specific TE variant denotes a single resistor configuration with the second terminal left open, distinguishing it from dual-resistor models like the JE suffix.
Official substitutes are not explicitly listed in the datasheet due to the obsolete status. Engineers should consult Diodes Incorporated for recommended cross-reference parts or evaluate other NPN pre-biased transistors with matching VCEO, IC, and package dimensions.