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Product Detailed Parameters
- Description：TRANS NPN 45V 0.1A PG-SOT23
- Series：-
- Mfr：Infineon Technologies
- 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：330 mW
- Frequency - Transition：250MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：PG-SOT23
- Grade：-
- Qualification：-
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Overview
The BC846AE6433 is a small signal NPN silicon bipolar junction transistor manufactured by Infineon Technologies. It features a maximum collector current of 0.1 A and a collector-emitter breakdown voltage of 65 V. The device is housed in a surface-mount SOT-23 package with three terminals. It operates within a temperature range up to 150 °C and has a maximum power dissipation of 0.25 W. This component is designed for general switching applications.
Feature Summary
- NPN silicon construction for reliable small-signal operation
- High DC current gain characteristics suitable for amplification
- Low collector-emitter saturation voltage for efficient switching
- Surface-mount SOT-23 packaging for automated assembly
Applications
- General purpose switching circuits
- Audio amplifier input stages
- Driver applications for low-power loads
Procurement Notes
Verify the manufacturer origin, as the BC846 series was originally developed by Siemens and is now part of Infineon's portfolio. Confirm that the specific suffix 'E6433' corresponds to the correct tape-and-reel packaging configuration required for your manufacturing line. Ensure the component meets the RoHS directive standards applicable to your region before finalizing procurement orders.
Selection Notes
Select this component when a compact NPN transistor with a 65 V collector-emitter voltage rating is required. It is appropriate for designs needing a maximum continuous collector current of 100 mA. Consider the SOT-23 footprint constraints and thermal dissipation limits of 250 mW during circuit layout. Verify that the minimum hFE requirements align with the specific gain bin associated with the 'A' suffix variant.
Part Context
This component belongs to the BC846 family of small signal transistors, which are widely used in consumer electronics and industrial control systems. Originally introduced by Siemens, these devices are now supported by Infineon Technologies following corporate acquisitions. The BC846 series is known for its robust performance in low-power analog and digital switching environments.
Replacement Considerations
Compatible substitutes include the BC846A from Nexperia and generic equivalents such as 2N3904 or BC547, provided pinout compatibility and electrical ratings meet the design specifications. Always verify that replacement parts match the specific gain classification and package dimensions.
