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Product Detailed Parameters
- Description：TRANS NPN 45V 0.5A SOT-323
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：500 mA
- Voltage - Collector Emitter Breakdown (Max)：45 V
- Vce Saturation (Max) @ Ib, Ic：700mV @ 50mA, 500mA
- Current - Collector Cutoff (Max)：100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：250 @ 100mA, 1V
- Power - Max：200 mW
- Frequency - Transition：100MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：SOT-323
- Grade：-
- Qualification：-
Download product information
Overview
The Nexperia BC817-40W,115 is an NPN general-purpose transistor housed in a SOT323 (SC-70) surface-mount package. It supports a maximum collector current of 500 mA and a collector-emitter voltage of 45 V. The device features a DC current gain range of 250 to 600 at IC = 100 mA and VCE = 1 V. Peak collector current reaches 1 A for single pulses up to 1 ms. Total power dissipation is rated at 200 mW at Tamb ≤ 25 °C. Operating junction temperature extends from -65 °C to +150 °C.
Feature Summary
- High current capability with 500 mA continuous collector current rating
- Three distinct current gain selections available within the series
- Compact SOT323 plastic surface-mounted device package
Applications
- General-purpose switching
- Amplification circuits
Procurement Notes
Verify that the specific ordering suffix matches the required packaging format. Confirm the product status aligns with design requirements, noting that this data sheet version indicates non-automotive qualification. Ensure compliance with RoHS3 standards and check for any relevant export control classifications before finalizing procurement.
Selection Notes
Select this component when a small SMD footprint is required alongside moderate current handling. The BC817-40W variant provides high DC current gain suitable for efficient amplification stages. Verify thermal management needs against the 200 mW dissipation limit and ensure the operating environment stays within the specified temperature range.
Part Context
This part belongs to the BC817W series of NPN general-purpose transistors manufactured by Nexperia. The series includes variants with different gain ranges, such as BC817-16W and BC817-25W. The PNP complement for this family is the BC807W series. These devices are designed for standard surface-mount assembly processes.
Replacement Considerations
BC817-40W,135
FAQ
What is the marking code for the BC817-40W?
The marking code is 6C, followed by a placeholder for the manufacturing site code.
Is this component automotive qualified?
No, this specific data sheet revision indicates the product is not automotive qualified. Automotive alternatives are available separately.
What is the peak collector current rating?
The peak collector current is 1 A for a single pulse duration of 1 ms or less.
