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Product Detailed Parameters
- Description：TRANS 2NPN 40V 500MA TO-78-6
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Bulk
- Transistor Type：2 NPN (Dual)
- Current - Collector (Ic) (Max)：500mA
- Voltage - Collector Emitter Breakdown (Max)：40V
- Vce Saturation (Max) @ Ib, Ic：-
- Current - Collector Cutoff (Max)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：40 @ 10mA, 1V
- Power - Max：-
- Frequency - Transition：500MHz
- Operating Temperature：-
- Mounting Type：Through Hole
- Package / Case：TO-78-6 Metal Can
- Supplier Device Package：TO-78-6
- Grade：-
- Qualification：-
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Overview
The MD2369A is a dual NPN silicon planar transistor housed in the TO-78 metal can package. It functions as a saturated switching device with a maximum collector current of 500 mA and a collector-emitter voltage rating of 15 V. The component features a collector-base voltage of 40 V, an emitter-base voltage of 4.5 V, and a DC current gain (hFE) ranging from 40 to 140 at a collector current of 10 mA. Power dissipation is rated at 500 mW, with an operating temperature range spanning -65 °C to +200 °C.
Feature Summary
- Dual NPN configuration within a single hermetically sealed metal can
- Designed for high-speed saturated switching applications
- Capable of handling up to 500 mA continuous collector current
Applications
- High-speed saturated switching circuits
- General-purpose amplifier and switch designs
- Military and aerospace electronic systems requiring TO-78 packaging
Procurement Notes
Verify End of Life status before procurement. Central Semiconductor Corp has officially discontinued the MD2369A. No replacement part numbers are currently available from the manufacturer. Contact [email protected] for technical assistance regarding alternate sourcing or design modifications.
Selection Notes
Select this component only if legacy TO-78 metal can packaging is mandatory for the application. Evaluate thermal management requirements carefully, as the TO-78 case limits power dissipation to 500 mW. Ensure that the 15 V collector-emitter voltage rating aligns with the circuit's maximum operating conditions.
Part Context
The MD2369A belongs to the Central Semiconductor MD series of small-signal bipolar transistors. It utilizes the standard TO-78 cylindrical metal case, which provides robust environmental sealing. This specific model is categorized as a saturated switch, distinguishing it from linear amplification variants within the same product family.
Replacement Considerations
No direct replacement part numbers are listed by Central Semiconductor Corp. Designers must evaluate alternative manufacturers offering equivalent TO-78 packaged NPN transistors. Verify pinout compatibility and electrical parameter margins when selecting third-party substitutes.
