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Product Detailed Parameters
- Description：TRANS NPN 65V 0.1A SOT-23
- Series：BC84
- Mfr：MDD
- Package：Tape & Reel (TR)
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：65 V
- Vce Saturation (Max) @ Ib, Ic：500mV @ 5mA, 100mA
- Current - Collector Cutoff (Max)：0.1µA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：110 @ 2mA, 5V
- Power - Max：200 mW
- Frequency - Transition：100MHz
- Operating Temperature：-65°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23
- Grade：-
- Qualification：-
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Overview
The MDD BC846A is a silicon NPN general-purpose bipolar junction transistor (BJT) designed for surface-mount applications. It utilizes the SOT-23-3 package configuration. Key electrical specifications include a maximum collector-emitter voltage of 65 V and a collector-base voltage of 80 V. The device supports a continuous collector current of 100 mA with a power dissipation rating of 250 mW. It features a DC current gain range of 110 to 220 at specified test conditions, ensuring consistent amplification performance.
Feature Summary
- NPN polarity configuration suitable for low-power switching and amplification tasks
- Compact SOT-23-3 surface-mount footprint for space-constrained designs
- High DC current gain providing reliable signal control in general-purpose circuits
Applications
- General-purpose signal amplification
- Low-power electronic switching
- Driver circuits for small loads
Procurement Notes
Verify the manufacturer designation on the component marking against official MDD documentation to confirm authenticity. Ensure the specific suffix matches the required tape-and-reel or cut-tape format for your assembly line. Confirm RoHS compliance status through the latest datasheet before integration into regulated products.
Selection Notes
Select this component when a standard NPN BJT with moderate voltage ratings is required. The 65 V collector-emitter breakdown provides sufficient margin for many low-voltage logic interfaces. Consider the thermal characteristics of the SOT-23 package for heat dissipation requirements in dense PCB layouts.
Part Context
This component belongs to the widely adopted BC846 series of small-signal transistors. It serves as a direct functional equivalent to industry-standard parts from other manufacturers, facilitating cross-brand sourcing flexibility while maintaining identical pinout and electrical performance profiles for design continuity.
Replacement Considerations
Direct substitutes include BC846A variants from Nexperia, Diodes Incorporated, and Comchip Technology. Verify that replacement parts maintain the same 'A' gain binning if strict hFE matching is required for the application.
