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The Diotec Semiconductor 2N5401 is a general-purpose PNP bipolar junction transistor (BJT) designed for commercial and industrial applications. It operates with a maximum collector-emitter voltage of 150 V and supports a continuous DC collector current of 600 mA, with peak currents reaching 1 A. The device features a high DC current gain ranging from 50 to 240 at specified test conditions. Power dissipation is rated at 625 mW, supported by a thermal resistance of 200 K/W. The component functions effectively within a junction temperature range of -55°C to +150°C and utilizes a TO-92 through-hole package.
Verify the specific ordering suffix when purchasing. Suffixes such as 'Q' indicate AEC-Q101 compliance, while 'AQ' denotes AEC-Q101 qualification. Standard versions are supplied in ammo packs with a 2.54 mm pitch. Bulk packaging with a 1.27 mm pitch requires the 'BK' suffix. Confirm these details against official distributor catalogs to ensure correct part selection.
Select this component for standard commercial or industrial grade requirements where moderate power and voltage ratings are sufficient. Ensure the design accommodates the 625 mW power dissipation limit, maintaining leads at ambient temperature within 2 mm of the case. Verify that the required current gain falls within the 50 to 240 range under your specific operating bias conditions.
This component belongs to the universal PNP transistor series manufactured by Diotec Semiconductor. It serves as a complementary counterpart to NPN transistors like the 2N5551. The device is engineered for general-purpose utility rather than specialized high-frequency or high-power scenarios, fitting into standard discrete semiconductor categories.
Direct substitutes include the 2N5401YBU and 2N5401YTA from onsemi. These parts share identical electrical characteristics and pin configurations, allowing for direct replacement in existing designs without circuit modification.
The maximum collector-base cutoff current is 100 nA when measured at a collector-base voltage of 120 V with the emitter open.
The gain-bandwidth product ranges from 100 MHz to 400 MHz, measured at a collector-emitter voltage of 5 V and a collector current of 10 mA.
Yes, versions with the suffix '-Q' are AEC-Q101 compliant, and versions with the suffix '-AQ' are AEC-Q101 qualified.