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Product Detailed Parameters
- Description：TRANS NPN 45V 0.5A TO-236AB
- Series：BC817-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：250 mW
- Frequency - Transition：100MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：TO-236AB
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BC817-25-QR is an NPN general-purpose transistor from the Nexperia BC817-Q series, housed in a small SOT23 (TO-236AB) Surface-Mounted Device plastic package. It supports a collector-emitter voltage of 45 V and a continuous collector current of 500 mA at 25 °C. The device features a DC current gain range of 160 to 400 under standard test conditions. Qualified according to AEC-Q101, it is designed for automotive applications.
Feature Summary
- Qualified according to AEC-Q101 and recommended for use in automotive applications
- High current capability with three current gain selections
Applications
- General-purpose switching
- Amplification
Procurement Notes
Verify the specific ordering suffix matches the required gain bin and packaging format. Confirm that the component meets the exact AEC-Q101 qualification standards required for your target automotive application. Ensure compatibility with the specified SOT23 footprint during PCB layout review.
Selection Notes
Select this variant when a mid-range DC current gain between 160 and 400 is required for stable amplification or switching performance. The AEC-Q101 qualification makes it suitable for environments requiring higher reliability than standard commercial grade components. Consider thermal derating curves if operating near maximum power dissipation limits.
Part Context
This component belongs to the BC817-Q series of NPN general-purpose transistors. The series includes variants with different gain ranges: BC817-16-Q, BC817-25-Q, and BC817-40-Q. All share the same physical package and electrical ratings but differ in their hFE selection groups to suit various circuit design requirements.
Replacement Considerations
BC817-25-Q
FAQ
What is the DC current gain range for the BC817-25-Q?
The DC current gain (hFE) for the BC817-25-Q ranges from 160 to 400 when measured at VCE = 1 V and IC = 100 mA.
Is the BC817-25-Q qualified for automotive use?
Yes, the BC817-Q series, including the BC817-25-Q, is qualified according to the AEC-Q101 standard and is recommended for use in automotive applications.
What is the peak collector current rating?
The peak collector current (ICM) is rated at 1 A for a single pulse with a duration of tp ≤ 1 ms at Tamb = 25 °C.
