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Product Detailed Parameters
- Description：TRANS PNP 45V 0.1A SOT-23
- Series：-
- Mfr：Taiwan Semiconductor Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：PNP
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：45 V
- Vce Saturation (Max) @ Ib, Ic：650mV @ 5mA, 100mA
- Current - Collector Cutoff (Max)：100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：125 @ 2mA, 5V
- Power - Max：200 mW
- Frequency - Transition：100MHz
- 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
- Grade：-
- Qualification：-
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Overview
The BC857A RFG is a PNP bipolar junction transistor manufactured by Taiwan Semiconductor Corporation. It utilizes silicon technology and is housed in an SOT-23 surface-mount package. The device supports a maximum collector current of 100 mA and a collector-emitter voltage of 45 V. Key electrical characteristics include a DC current gain (hFE) ranging from 160 to 250 at specified test conditions, a transition frequency of 100 MHz, and a power dissipation rating of 200 mW. The component operates within a temperature range of -55°C to +150°C.
Feature Summary
- Provides high DC current gain suitable for general-purpose amplification applications
- Designed for low-voltage switching and signal processing tasks
- Utilizes a compact SOT-23 surface-mount footprint for automated assembly
Applications
- General-purpose amplification circuits
- Low-voltage switching applications
- Signal processing stages
Procurement Notes
Verify the specific suffix 'RFG' against official Taiwan Semiconductor documentation to confirm packaging configuration and compliance status. Ensure the ordering quantity aligns with manufacturer reel specifications. Cross-reference the Mouser part number 821-BC857ARFG for accurate sourcing details. Confirm RoHS compliance requirements prior to procurement.
Selection Notes
Select this component when a PNP transistor with moderate current handling and defined gain bands is required. The SOT-23 package facilitates space-constrained designs. Verify that the 45V voltage rating and 100mA current limit meet circuit demands. Consider thermal management for the 200mW dissipation rating in enclosed environments.
Part Context
This component belongs to the BC857 series of small-signal PNP transistors. It serves as a standard discrete semiconductor device for analog and digital switching functions. The 'RFG' suffix typically denotes specific tape-and-reel packaging configurations used in high-volume manufacturing processes.
FAQ
What is the DC current gain range for the BC857A variant?
The BC857A variant features a DC current gain (hFE) range of 160 to 250.
What is the maximum collector-emitter voltage rating?
The maximum collector-emitter voltage (VCEO) is rated at 45 V.
Which package type is used for this component?
The component is available in the SOT-23 surface-mount package.
