BC550ABU

Description：TRANS NPN 45V 0.1A TO-92-3
Series：-

SKU:5952df625024 Category: Single Bipolar Transistors Brand: onsemi

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Product introduction

BC550ABU is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists onsemi. Its product description is TRANS NPN 45V 0.1A TO-92-3. Review the specifications below when checking this part for your BOM.

Single Bipolar Transistors specifications for BC550ABU

Description：TRANS NPN 45V 0.1A TO-92-3
Series：-
Mfr：onsemi
Package：Bulk
Transistor Type：NPN
Current - Collector (Ic) (Max)：100 mA
Voltage - Collector Emitter Breakdown (Max)：45 V
Vce Saturation (Max) @ Ib, Ic：600mV @ 5mA, 100mA
Current - Collector Cutoff (Max)：15nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce：110 @ 2mA, 5V
Power - Max：500 mW
Frequency - Transition：300MHz
Operating Temperature：150°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package：TO-92-3

Single Bipolar Transistors datasheet and documents for BC550ABU

BC550ABU

Single Bipolar Transistors Overview

The onsemi BC550ABU is a discontinued NPN epitaxial silicon transistor from the BC546-BC550 series, housed in a TO-92-3 through-hole package. It features a maximum collector-emitter voltage of 45V and a continuous collector current of 100mA with a power dissipation rating of 500mW. The device offers a transition frequency of 300MHz and a minimum DC current gain (hFE) of 110 at 2mA and 5V. It supports a junction temperature up to 150°C and includes a collector-base breakdown voltage of 50V.

Single Bipolar Transistors Feature Summary

NPN polarity configuration for general-purpose switching and amplification
High transition frequency capability suitable for RF applications
Low noise performance characteristics
Lead-free construction compliant with environmental standards

Single Bipolar Transistors Applications

General-purpose signal amplification circuits
Switching applications requiring low noise
RF amplifier stages
Complementary pairing with BC556 series PNP transistors

Single Bipolar Transistors Procurement Notes

Verify component status as the BC550ABU is officially obsolete and no longer manufactured by onsemi. Confirm availability of alternative sources or compatible substitutes such as the Central Semiconductor Corp 2N5232A PBFREE before finalizing design specifications. Ensure replacement parts meet identical electrical ratings and physical footprint requirements.

Single Bipolar Transistors Selection Notes

Select this component only if legacy compatibility is required or if specific historical design constraints mandate the BC550ABU variant. Evaluate the trade-off between obsolescence risks and the need for its specific 300MHz transition frequency and low-noise profile compared to standard general-purpose alternatives.

Single Bipolar Transistors Part Context

The BC550ABU belongs to the broader BC546-BC550 family of NPN epitaxial silicon transistors produced by onsemi. This series is characterized by complementary devices in the BC556-BC560 PNP lineup. The ABU suffix typically denotes specific binning for current gain and other electrical parameters within the standard TO-92 package form factor.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitute part number: 2N5232A PBFREE (Central Semiconductor Corp). Verify pinout compatibility and electrical parameter equivalence prior to implementation.