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Product Detailed Parameters
- Description：BC849CW-Q/SOT323/SC-70
- Series：*
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- Transistor Type：-
- Current - Collector (Ic) (Max)：-
- Voltage - Collector Emitter Breakdown (Max)：-
- Vce Saturation (Max) @ Ib, Ic：-
- Current - Collector Cutoff (Max)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- Power - Max：-
- Frequency - Transition：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The BC849CW-QX is an NPN general-purpose bipolar junction transistor manufactured by Nexperia. It is housed in a SOT323 (SC-70) plastic surface-mount package. The device is qualified to the AEC-Q101 standard for automotive applications. Key electrical parameters include a maximum collector current of 100 mA, a collector-emitter voltage of 45 V, and a collector-base voltage of 65 V. The emitter-base breakdown voltage is rated at 6 V, with a power dissipation capability of 200 mW.
Feature Summary
- Automotive-grade reliability through AEC-Q101 qualification
- Compact SOT323 surface-mount packaging for space-constrained designs
- Low voltage operation suitable for signal switching and amplification
Applications
- Low noise stages in audio-frequency equipment
- Hi-fi amplifier circuits
- General-purpose switching applications
Procurement Notes
Verify the specific suffix against official Nexperia documentation to confirm the exact reel configuration and tape-and-reel specifications. Ensure that the AEC-Q101 qualification status aligns with your system's automotive reliability requirements before finalizing component selection.
Selection Notes
Select this component when a small-form-factor NPN transistor is required for low-current switching or amplification tasks. The AEC-Q101 qualification makes it suitable for automotive environments where higher reliability standards are mandated compared to standard commercial grade devices.
Part Context
This part belongs to the Nexperia BC849 series of NPN general-purpose transistors. It serves as the NPN counterpart to the BC859W PNP transistor within the same family. The series is designed for use in compact electronic circuits requiring reliable performance in a minimal footprint.
Replacement Considerations
The BC849W is the non-automotive commercial equivalent. For direct pin-compatible replacements, verify datasheet compatibility with other manufacturers' SC-70 NPN transistors having similar 100 mA and 45 V ratings.
