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Product Detailed Parameters
- Description：TRANS NPN 45V 0.5A DFN1110D-3
- Series：BC817QBH-Q
- 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：160 @ 100mA, 1V
- Power - Max：420 mW
- Frequency - Transition：100MHz
- Operating Temperature：175°C (TJ)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：3-XDFN Exposed Pad
- Supplier Device Package：DFN1110D-3
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BC817-25QBH-QZ is an NPN general-purpose transistor from the Nexperia BC817QBH-Q series, housed in a DFN1110D-3 (SOT8015) leadless SMD plastic package with side-wettable flanks. It features a collector-emitter voltage of 45 V and a maximum DC collector current of 500 mA. The device offers a DC current gain range of 160 to 400 at IC = 100 mA and VCE = 1 V. It supports peak collector currents up to 1 A and operates within a junction temperature range of -55 °C to 175 °C.
Feature Summary
- High power dissipation capability suitable for demanding thermal environments
- Qualified according to AEC-Q101 standards for automotive applications
- Ultra-small footprint with low package height of 0.5 mm
- Side-wettable flanks facilitate Automatic Optical Inspection (AOI)
Applications
- General-purpose switching and amplification
- Space-restricted electronic designs
Procurement Notes
Verify the specific ordering suffix matches the required tape-and-reel or cut-tape configuration. Confirm that the DFN1110D-3 package dimensions align with the target PCB footprint. Ensure the selected variant meets the necessary AEC-Q101 qualification requirements if intended for automotive use. Cross-reference the marking code G2 to confirm authenticity upon receipt.
Selection Notes
Select this component when a compact NPN transistor with high current handling is required. The BC817-25QBH-QZ provides a mid-range current gain compared to the -16 and -40 variants. Consider the DFN1110D-3 package for superior thermal performance and smaller board area compared to traditional SOT23 packages. Verify compatibility with high-temperature operating conditions up to 175 °C.
Part Context
This part belongs to the BC817QBH-Q series, which includes complementary PNP transistors such as the BC807-25QBH-QZ. The series is designed to replace larger legacy packages while maintaining similar electrical characteristics. The DFN1110D-3 package represents a modern surface-mount solution optimized for automated assembly and high-density circuit board layouts.
Replacement Considerations
Direct functional substitutes include the BC817-25QFH-QZ (SOT323 package) and BC817-25,215 (SOT23 package). Verify pinout compatibility and thermal resistance differences when transitioning between package types. Ensure the replacement meets the same AEC-Q101 qualification if automotive reliability is required.
