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Product Detailed Parameters
- Description：TRANS 25V 0.5A PG-SOT323-3-1
- Series：-
- Mfr：Infineon Technologies
- Package：Bulk
- Transistor Type：-
- Current - Collector (Ic) (Max)：500 mA
- Voltage - Collector Emitter Breakdown (Max)：25 V
- Vce Saturation (Max) @ Ib, Ic：700mV @ 50mA, 500mA
- Current - Collector Cutoff (Max)：100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：250 @ 100mA, 1V
- Power - Max：500 mW
- Frequency - Transition：170MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：PG-SOT323-3-1
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BC818-40WE6327 is an NPN single bipolar junction transistor manufactured by Infineon Technologies. It features a maximum collector-emitter voltage of 25 V and a continuous collector current rating of 500 mA. The device operates with a transition frequency of 170 MHz and dissipates up to 500 mW of power. It is housed in a PG-SOT23 surface-mount package and supports junction temperatures up to 150°C.
Feature Summary
- NPN single transistor configuration for signal amplification
- High-frequency operation capability at 170 MHz
- Robust thermal performance supporting 150°C junction temperature
Applications
- General-purpose signal amplification circuits
- Switching applications requiring low voltage control
- Audio pre-amplifier stages
Procurement Notes
Verify the exact suffix against official Infineon documentation, as 'BC818-40' typically denotes a specific binning or variant within the BC818K family. Confirm RoHS compliance status and packaging type directly from the manufacturer's datasheet before procurement. Ensure the component matches the required PG-SOT23 footprint and electrical specifications for your design.
Selection Notes
Select this component when a standard NPN BJT with 25V breakdown and 500mA current capacity is required in a compact SOT-23 form factor. Consider the 170MHz transition frequency for high-speed switching needs. Verify that the 500mW power dissipation limit aligns with your thermal management strategy and ambient operating conditions.
Part Context
This part belongs to the BC818 series of small-signal NPN transistors. It is designed for general-purpose amplification and switching tasks. The device is widely used in consumer electronics and industrial equipment due to its reliability and compact surface-mount packaging suitable for automated assembly processes.
Replacement Considerations
Consult Infineon's official cross-reference guides for verified substitutes. Generic equivalents may vary in hFE binning or saturation voltage. Do not assume pinout compatibility without verifying the specific package variant (PG-SOT23) against the candidate part.
