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Product Detailed Parameters
- Description：TRANS PNP 45V 1A SOT-89-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：PNP
- Current - Collector (Ic) (Max)：1:00 AM
- Voltage - Collector Emitter Breakdown (Max)：45 V
- Vce Saturation (Max) @ Ib, Ic：500mV @ 50mA, 500mA
- Current - Collector Cutoff (Max)：100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：40 @ 150mA, 2V
- Power - Max：1 W
- Frequency - Transition：150MHz
- Operating Temperature：-65°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-243AA
- Supplier Device Package：SOT-89-3
- Grade：-
- Qualification：-
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Overview
The BCX51TA is a PNP medium power transistor manufactured by Diodes Incorporated in an SOT-89 package. It features a collector-emitter breakdown voltage of -45V and supports a continuous collector current of -1A with a peak pulse current of -2A. The device exhibits a low saturation voltage of less than -500mV at -0.5A and a transition frequency of 150MHz. Power dissipation reaches 1W under standard conditions, extending to 2W on large copper areas. Operating temperatures range from -55°C to +150°C.
Feature Summary
- Provides high gain-bandwidth product for efficient amplification
- Features low saturation voltage for improved switching efficiency
- Compliant with RoHS standards and free of halogens and antimony
Applications
- Medium power switching applications
- Amplification circuits
- Audio frequency drivers
- Output stages
Procurement Notes
Verify the specific ordering suffix TA against official Diodes Incorporated documentation to confirm reel size and tape width specifications. Ensure that the selected component matches the required electrical characteristics for the intended circuit design. Cross-reference datasheet DS35368 Rev. 12-2 for accurate mechanical dimensions and thermal resistance values before finalizing procurement decisions.
Selection Notes
Select this component when a PNP transistor with a -45V collector-emitter voltage rating is required. Consider the SOT-89 package for surface-mount assembly constraints. Evaluate the thermal performance based on the expected copper area on the printed circuit board, as power dissipation capabilities vary significantly with pad size. Verify compatibility with complementary NPN types if push-pull configurations are utilized.
Part Context
This part belongs to the BCX51/52/53 series of PNP medium power transistors designed for general-purpose applications. The BCX51 variant specifically offers a -45V breakdown voltage, distinguishing it from higher-voltage counterparts like the BCX52 (-60V) and BCX53 (-80V). All variants share identical physical packaging and pinout configurations within the SOT-89 footprint.
Replacement Considerations
BCX51TC
FAQ
What is the maximum peak pulse collector current?
The maximum peak pulse collector current is -2A.
Is the BCX51TA lead-free?
Yes, the device is totally lead-free and fully RoHS compliant.
What is the typical DC current gain at -150mA?
The typical DC current gain ranges from 40 to 250 at a collector current of -150mA.
