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Product Detailed Parameters
- Description：TRANS 2NPN 400V 300MA SOT-228
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR)
- Transistor Type：2 NPN (Dual)
- Current - Collector (Ic) (Max)：300mA
- Voltage - Collector Emitter Breakdown (Max)：400V
- Vce Saturation (Max) @ Ib, Ic：750mV @ 5mA, 50mA
- Current - Collector Cutoff (Max)：500nA
- DC Current Gain (hFE) (Min) @ Ic, Vce：50 @ 10mA, 10V
- Power - Max：2W
- Frequency - Transition：20MHz
- Operating Temperature：-65°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：SOT-228
- Supplier Device Package：SOT-228
- Grade：-
- Qualification：-
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Overview
The CYTA44D TR is a surface mount dual, isolated high voltage NPN silicon transistor manufactured by Central Semiconductor Corp. It consists of two independent NPN transistors packaged in an epoxy molded SOT-228 case using the epitaxial planar process. The device features a collector-emitter voltage (VCEO) of 400 V and a continuous collector current (IC) of 300 mA. Maximum power dissipation is rated at 2.0 W with a thermal resistance (ΘJA) of 62.5 °C/W. Operating and storage junction temperatures range from -65 to +150 °C.
Feature Summary
- Dual, isolated NPN transistors integrated into a single surface mount package
- High voltage capability suitable for demanding applications
- Epoxy molded SOT-228 case construction
Applications
- High voltage switching circuits
- Power supply designs requiring compact dual transistor solutions
- Industrial control systems utilizing surface mount technology
Procurement Notes
Verify the specific ordering suffix required for plating configuration when placing orders. The manufacturer offers distinct options for lead-free and tin/lead plated devices. Confirm availability status as distribution channels may vary. Ensure the requested variant matches the exact electrical and mechanical specifications defined in the official datasheet before finalizing procurement.
Selection Notes
Select this component for designs requiring two electrically isolated NPN transistors within a single footprint. Evaluate the 400 V collector-emitter voltage rating against peak circuit voltages. Consider the 2.0 W power dissipation limit and the 62.5 °C/W thermal resistance for adequate heat sinking requirements. Verify that the SOT-228 package dimensions align with the printed circuit board layout constraints.
Part Context
The CYTA44D belongs to Central Semiconductor's SUPERmini™ line of surface mount discrete semiconductors. This series focuses on providing high-performance bipolar transistors in compact packages to reduce board space. The SOT-228 housing allows for efficient thermal management while maintaining isolation between the two internal transistor elements.
Replacement Considerations
Official documentation lists no direct replacement part numbers for the CYTA44D. Contact [email protected] for assistance locating alternate sources if necessary.
