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FSB649 is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists onsemi. Its product description is TRANS NPN 25V 3A SOT-23-3. Review the specifications below when checking this part for your BOM.
Single Bipolar Transistors specifications for FSB649
- Description：TRANS NPN 25V 3A SOT-23-3
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：3:00 AM
- Voltage - Collector Emitter Breakdown (Max)：25 V
- Vce Saturation (Max) @ Ib, Ic：600mV @ 300mA, 3A
- Current - Collector Cutoff (Max)：100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 1A, 2V
- Power - Max：500 mW
- Frequency - Transition：150MHz
- 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-23-3
- Grade：-
- Qualification：-
Single Bipolar Transistors datasheet and documents for FSB649
Single Bipolar Transistors Overview
The FSB649 is a small signal NPN silicon bipolar transistor manufactured by onsemi. It is housed in the SUPERSOT-3 surface-mount package. The device is characterized by a collector current rating of 3A and a collector-emitter breakdown voltage of 25V. This component is designed for general-purpose switching and amplification applications requiring compact form factors.
Single Bipolar Transistors Feature Summary
- NPN silicon construction
- SUPERSOT-3 surface mount packaging
- 3A continuous collector current capability
- 25V collector-emitter breakdown voltage
Single Bipolar Transistors Applications
- General purpose switching circuits
- Amplifier stages
- Low voltage digital logic interfacing
Single Bipolar Transistors Procurement Notes
Verify the specific suffix (e.g., Z) against the manufacturer's official datasheet to confirm exact electrical tolerances and tape-and-reel specifications. Ensure the procurement channel provides traceability documentation consistent with onsemi quality standards. Confirm RoHS compliance status directly from the latest product release notes.
Single Bipolar Transistors Selection Notes
Select this component when a compact NPN transistor with 3A current handling is required in a SUPERSOT-3 footprint. Evaluate thermal dissipation requirements relative to the package size. Compare alternative packages if higher power handling or different pin configurations are necessary for the specific PCB layout constraints.
Single Bipolar Transistors Part Context
This part belongs to onsemi's portfolio of small signal bipolar junction transistors. It serves as a discrete solution for low-voltage, high-current switching tasks where space efficiency is critical. The SUPERSOT-3 package allows for automated assembly in dense consumer electronics and industrial control boards.
Single Bipolar Transistors Replacement Considerations
Consult official cross-reference guides for direct equivalents. Verify that any substitute maintains the 3A current rating and 25V breakdown voltage within the same or compatible package outline.
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