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Product Detailed Parameters
- Description：IC
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- 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：100 @ 100mA, 1V
- Power - Max：500 mW
- Frequency - Transition：100MHz
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：3-UDFN
- Supplier Device Package：U-DFN1412-3/SWP (Type A)
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BC817-16FSWQ-7 is an NPN small-signal bipolar junction transistor (BJT) manufactured by Diodes Incorporated. It operates with a collector-emitter voltage of 45V and supports a continuous collector current of 500mA. The device features a DC current gain (hFE) ranging from 100 to 250 at IC=100mA, VCE=1V. It utilizes a U-DFN1412-3 package with a maximum height of 0.57mm. Thermal resistance (junction-to-ambient) is 250°C/W on a standard FR4 PCB. Transition frequency is 100MHz.
Feature Summary
- AEC-Q101 qualified for automotive applications with PPAP capability
- Low-profile 0.6mm-high package suitable for thin applications
- Sidewall tin plating designed for wettable flanks in AOI
- Totally lead-free, fully RoHS compliant, and halogen/antimony free
Applications
- General-purpose switching
- Amplification circuits
- Automotive electronic systems
Procurement Notes
Verify the specific ordering suffix '-7' corresponds to the 5,000-piece reel configuration. Confirm that the U-DFN1412-3/SWP (Type A) package dimensions align with your PCB footprint requirements. Ensure compliance with IATF16949 manufacturing standards if required for your supply chain. Validate that the component meets all applicable automotive quality specifications before final integration.
Selection Notes
Select this component when automotive qualification and low-profile packaging are mandatory. The BC817-16FSWQ variant provides a minimum hFE of 100, distinguishing it from higher-gain options like the -25 or -40 series. Consider the 0.57mm maximum height constraint for space-limited designs. Evaluate thermal dissipation capabilities based on the specified junction-to-ambient resistance values under steady-state conditions.
Part Context
This part belongs to the BC817-xxFSWQ family of NPN general-purpose transistors. It serves as the automotive-grade counterpart to standard commercial BJT variants. The 'FSWQ' designation indicates the specific U-DFN1412-3 surface-mount package and automotive reliability standards. It complements PNP types within the broader BC8xx series ecosystem.
Replacement Considerations
Direct substitutes include BC817-25FSWQ-7 and BC817-40FSWQ-7 from the same manufacturer. These share identical pinouts and packages but differ in DC current gain ranges. Verify that alternative sources maintain AEC-Q101 qualification and U-DFN1412-3/SWP (Type A) mechanical specifications.
