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Product Detailed Parameters
- Description：TRANS NPN 30V 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)：30 V
- Vce Saturation (Max) @ Ib, Ic：500mV @ 5mA, 100mA
- Current - Collector Cutoff (Max)：0.1µA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：200 @ 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 BC848B is an NPN general-purpose amplification transistor manufactured by Shenzhen MDD Semiconductor Co., Ltd. It utilizes the TO-236AB (SOT-23) surface-mount package and operates with a collector-emitter voltage of 30V and a continuous collector current of 100mA. The device features a DC current gain (hFE) range of 200 to 450, complementing the PNP BC858B series. Designed for low-power applications, it supports storage temperatures from -65°C to 150°C and is RoHS compliant.
Feature Summary
- NPN polarity configuration optimized for general-purpose amplification tasks
- High DC current gain ensuring effective signal processing in low-power circuits
- Compact SMD packaging facilitating automated surface-mount assembly
Applications
- General-purpose signal amplification
- Switching applications in consumer electronics
- Driver circuits for low-current loads
Procurement Notes
Verify the manufacturer designation as MDD (Shenzhen MDD Semiconductor Co., Ltd.) rather than legacy suppliers like Nexperia or onsemi. Confirm the specific suffix indicates standard commercial grade, as automotive variants typically carry distinct identifiers such as -QR. Ensure the datasheet aligns with the 30V VCEO specification provided by the brand.
Selection Notes
Select this component when a compact NPN transistor with moderate gain is required for space-constrained designs. It serves as a direct functional alternative to industry-standard equivalents like the BC848B from other manufacturers. Consider the thermal characteristics and power dissipation limits relative to the PCB layout and ambient operating conditions.
Part Context
MDD (Chenda Semiconductor) specializes in power devices including MOSFETs and diodes. The BC848B represents their entry into small-signal bipolar transistors, leveraging established manufacturing capabilities to provide cost-effective alternatives for industrial and consumer markets.
Replacement Considerations
Direct pin-compatible substitutes include the Nexperia BC848B and onsemi BC848BT116. Verify that replacement parts maintain identical hFE binning and package dimensions to ensure seamless integration without circuit redesign.
