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Product Detailed Parameters
- Description：TRANS NPN 125V 0.8A SOT-23-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：800 mA
- Voltage - Collector Emitter Breakdown (Max)：125 V
- Vce Saturation (Max) @ Ib, Ic：900mV @ 30mA, 300mA
- Current - Collector Cutoff (Max)：75µA
- DC Current Gain (hFE) (Min) @ Ic, Vce：63 @ 100mA, 1V
- Power - Max：330 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
- Grade：Automotive
- Qualification：AEC-Q101
Download product information
Overview
The BCX41QTA is a 125V NPN medium power Bipolar Junction Transistor (BJT) manufactured by Diodes Incorporated. It features a maximum continuous collector current of 800mA and operates within a temperature range of -55°C to +150°C. The device is housed in an SOT-23 package with matte tin plated leads. Key electrical characteristics include a collector-emitter breakdown voltage of 125V, a transition frequency of 100MHz, and a static forward current transfer ratio ranging from 25 to 63 depending on the operating current.
Feature Summary
- Qualified to AEC-Q101 standards for high reliability in automotive applications
- Totally lead-free and fully RoHS compliant
- Halogen and antimony free green device
- PPAP capable
Applications
- Automotive circuits requiring high reliability
- Medium power switching applications
- General purpose amplification
Procurement Notes
Verify that the specific part number matches the required automotive grade specifications. Confirm the packaging details align with production requirements, as the standard reel size contains 3,000 units. Ensure compliance with environmental directives such as RoHS and REACH if applicable to your region. Check for any recent datasheet revisions or updates regarding mechanical dimensions and thermal characteristics before finalizing procurement.
Selection Notes
Select this component when a robust NPN transistor with a 125V collector-emitter voltage rating is needed. It is suitable for designs requiring up to 800mA continuous collector current in a compact SOT-23 package. Consider its AEC-Q101 qualification if the application demands automotive-grade reliability. Evaluate the thermal resistance values against your expected power dissipation and ambient temperature conditions to ensure safe operation within the specified junction temperature limits.
Part Context
The BCX41Q belongs to Diodes Incorporated's portfolio of bipolar junction transistors designed for demanding environments. This specific variant is optimized for automotive use, meeting stringent quality and reliability standards. It serves as a reliable switching and amplification element in electronic systems where high voltage tolerance and moderate current handling are critical requirements.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation.
FAQ
What is the maximum collector-emitter voltage for the BCX41Q?
The maximum collector-emitter voltage (VCEO) is 125V.
Is the BCX41Q qualified for automotive applications?
Yes, the BCX41Q is qualified to AEC-Q101 standards and is PPAP capable for automotive applications.
What is the transition frequency of the BCX41Q?
The transition frequency (fT) is typically 100MHz at IC = 10mA and VCE = 5V.
