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Product Detailed Parameters
- Description：TRANS NPN 45V 0.1A SOT23-3
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：300 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-23-3 (TO-236)
- Grade：-
- Qualification：-
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Overview
The BC847ALT1G is a general-purpose NPN silicon transistor from the BC847ALT1G series, manufactured by onsemi. It features a collector-emitter voltage of 45 Vdc and a collector-base voltage of 50 Vdc. The device supports a continuous collector current of 100 mAdc with a maximum power dissipation of 225 mW on an FR-5 board. It operates within a junction temperature range of -55°C to +150°C. Key electrical characteristics include a DC current gain (hFE) ranging from 90 to 220 at IC = 10 mA and VCE = 5.0 V, and a transition frequency (fT) of 100 MHz.
Feature Summary
- AEC-Q101 qualified for automotive applications requiring unique site and control change requirements.
- Pb-free, halogen-free/BFR-free, and RoHS compliant construction.
- High ESD protection rating exceeding 4000 V via Human Body Model.
Applications
- General purpose switching and amplification circuits
- Automotive electronics systems
- Low-power signal processing
Procurement Notes
Verify the specific ordering suffix and prefix against official documentation to ensure correct package type and marking. Confirm AEC-Q101 qualification status if automotive compliance is required. Check for discontinued status or alternative recommendations for new designs. Validate tape and reel specifications for automated assembly compatibility.
Selection Notes
Select this component for applications requiring a standard NPN transistor with moderate voltage ratings and low power dissipation. Consider the BC846 or BC848 variants if higher or lower voltage ratings are needed. Ensure the SOT-23 package fits the PCB layout constraints. Verify thermal management requirements based on the specified derating curves.
Part Context
This part belongs to the BC846ALT1G series of general-purpose NPN silicon transistors. The series includes variants with different voltage ratings such as BC846 (65V), BC847 (45V), and BC848 (30V). All share similar packaging and current capabilities but differ in breakdown voltages.
Replacement Considerations
BC847BLT1G
FAQ
What is the pin configuration for the BC847ALT1G?
Pin 1 is Base, Pin 2 is Emitter, and Pin 3 is Collector.
Is the BC847ALT1G suitable for automotive applications?
Yes, devices with the S and NSV prefixes are AEC-Q101 qualified and PPAP capable for automotive applications.
What is the maximum collector-emitter saturation voltage?
The maximum VCE(sat) is 0.6 V when IC = 100 mA and IB = 5.0 mA.
