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Product Detailed Parameters
- Description：TRANS NPN 30V 0.1A SOT23-3
- Series：-
- Mfr：Diotec Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：30 V
- Vce Saturation (Max) @ Ib, Ic：600mV @ 5mA, 100mA
- Current - Collector Cutoff (Max)：15nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：420 @ 2mA, 5V
- Power - Max：250 mW
- Frequency - Transition：300MHz
- 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：Automotive
- Qualification：AEC-Q101
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Overview
The Diotec Semiconductor BC849C-AQ is an NPN general-purpose transistor designed for surface-mount applications in the SOT-23 (TO-236) package. It operates with a maximum collector current of 100 mA and a collector-emitter voltage of 30 V. The device features three distinct DC current gain groups: Group A (180 to 220), Group B (290 to 450), and Group C (520 to 800). It achieves a transition frequency of 300 MHz and supports a junction temperature range from -55°C to +150°C. Power dissipation reaches 300 mW under industrial and automotive conditions.
Feature Summary
- AEC-Q101 qualified for automotive reliability standards
- Three selectable DC current gain groups for precise amplification control
- Utilizes gold bond wires for enhanced durability
Applications
- General purpose switching circuits
- Signal processing and amplification
- Automotive electronic systems
Procurement Notes
Verify that the specific order includes the -AQ suffix to ensure compliance with AEC-Q101 qualification requirements. Confirm the required hFE group (A, B, or C) matches the design specifications, as this affects performance characteristics. Ensure the component is sourced from authorized channels to guarantee authenticity and adherence to RoHS and REACH regulations.
Selection Notes
Select the BC849C-AQ when automotive-grade reliability is mandatory for NPN switching or amplification tasks. Choose the appropriate hFE group based on the required signal gain; Group C offers the highest amplification. This component is suitable for designs requiring high-frequency operation up to 300 MHz within a compact SOT-23 footprint.
Part Context
This component belongs to the BC8xx series of SMD general-purpose NPN transistors manufactured by Diotec Semiconductor. The series includes variants such as BC846 through BC850, differentiated primarily by their collector-emitter voltage ratings and current gain groupings. The -AQ suffix specifically denotes qualification for automotive environments, distinguishing it from standard commercial or industrial grades.
Replacement Considerations
BC849B-AQ
FAQ
What distinguishes the BC849C-AQ from the standard BC849C?
The BC849C-AQ is AEC-Q101 qualified, ensuring higher reliability for automotive applications, whereas the standard version is intended for commercial or industrial use.
Which bond wire material is used in the BC849C-AQ?
The BC849C-AQ utilizes gold bond wires, unlike the commercial grade (-C) which uses copper bond wires.
What are the available DC current gain groups for this part?
The device is available in three groups: Group A (180–220), Group B (290–450), and Group C (520–800).
