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Product Detailed Parameters
- Description：TRANS PNP 45V 0.5A SOT-23-3
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：PNP
- Current - Collector (Ic) (Max)：500 mA
- Voltage - Collector Emitter Breakdown (Max)：45 V
- Vce Saturation (Max) @ Ib, Ic：550mV @ 1.25mA, 50mA
- Current - Collector Cutoff (Max)：20nA
- DC Current Gain (hFE) (Min) @ Ic, Vce：380 @ 2mA, 5V
- Power - Max：350 mW
- Frequency - Transition：-
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：-
- Qualification：-
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Overview
The BCX71K is a PNP silicon epitaxial planar transistor manufactured by ON Semiconductor, housed in an SOT-23 surface-mount package. It features a maximum collector-emitter voltage of -45 V and a continuous collector current rating of -500 mA. The device provides high DC current gain (hFE), ranging from 100 to 630 at specific test conditions. Total power dissipation is rated at 350 mW with a thermal resistance of 357 °C/W. Operating junction and storage temperatures span from -55°C to +150°C.
Feature Summary
- Designed for applications requiring extremely high-current gain at collector currents up to 300 mA
- Sourced from process 68 technology
- Suitable for general-purpose amplification
Applications
- General-purpose amplification circuits
- High-gain amplifier stages
- Switching applications within specified limits
Procurement Notes
Verify the exact ordering suffix against the official ON Semiconductor website, as Fairchild part numbers may have been updated following integration. Confirm RoHS compliance status and packaging details directly with authorized distributors or the manufacturer before placing orders.
Selection Notes
Select this component when high DC current gain is required for PNP amplification tasks. Ensure the application stays within the -45 V collector-emitter voltage limit and -500 mA continuous current rating. Consider the SOT-23 package size and thermal characteristics for PCB layout and heat dissipation requirements.
Part Context
This component belongs to the BCX series of general-purpose bipolar junction transistors. Originally produced by Fairchild Semiconductor, it is now part of the ON Semiconductor portfolio. The device utilizes epitaxial planar silicon technology optimized for high gain performance in compact surface-mount packages.
Replacement Considerations
BCX71KT116
FAQ
What is the maximum collector-emitter breakdown voltage?
The maximum collector-emitter breakdown voltage (V(BR)CEO) is -45 V.
What is the typical DC current gain range?
The DC current gain (hFE) ranges from 100 to 630, depending on the collector current and test conditions.
Is this device suitable for life support systems?
No, ON Semiconductor products are not designed, intended, or authorized for use as critical components in life support systems without express written approval.
