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Product Detailed Parameters
- Description：TRANS PNP 45V 0.1A SOT-23-3
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Transistor Type：PNP
- Current - Collector (Ic) (Max)：100 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：120 @ 2mA, 5V
- Power - Max：350 mW
- Frequency - Transition：-
- Operating Temperature：-
- 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 BCX71G is a PNP epitaxial silicon transistor manufactured by Fairchild Semiconductor, housed in an SOT-23 package. It features a collector-emitter voltage of -45 V and a maximum collector current of -100 mA. The device supports a power dissipation of 350 mW at 25°C ambient temperature. Electrical characteristics include a DC current gain ranging from 60 to 220 and a transition frequency suitable for general-purpose applications. The component operates within a storage temperature range up to 150°C.
Feature Summary
- PNP epitaxial silicon construction for reliable switching and amplification
- Low saturation voltage characteristics for efficient power handling
- General-purpose design optimized for broad electronic circuit integration
Applications
- General-purpose signal amplification circuits
- Electronic switching applications requiring low current control
- Audio pre-amplifier stages
Procurement Notes
Verify the specific manufacturer origin, as Fairchild Semiconductor operations have been restructured. Confirm RoHS compliance status against the latest datasheet revision. Ensure the SOT-23 pinout matches the required Base-Emitter-Collector configuration for your PCB layout. Check for any obsolescence notices or lifecycle changes before finalizing procurement plans.
Selection Notes
Select this component when a PNP transistor with moderate current handling and low voltage ratings is required. The SOT-23 package offers space efficiency for surface-mount designs. Consider the DC current gain variations and saturation voltages to ensure compatibility with the driving circuit requirements. Verify thermal management capabilities if operating near maximum power dissipation limits.
Part Context
The BCX71G belongs to the general-purpose transistor family designed for versatile electronic applications. It serves as a standard solution for low-power switching and amplification tasks. The SOT-23 packaging allows for compact board layouts. This component type is widely used in consumer electronics and industrial control systems where small form factors are essential.
Replacement Considerations
BCX71H (NPN equivalent)
FAQ
What is the maximum collector-emitter voltage rating?
The maximum collector-emitter voltage (VCEO) is rated at -45 V.
What is the DC current gain range?
The DC current gain (hFE) ranges from a minimum of 60 to a maximum of 220 under specified test conditions.
What is the package type?
The BCX71G is available in the SOT-23 surface-mount package.
