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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V 0.1A SST3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Resistors Included：R1 Only
- Transistor Type：NPN - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：22 kOhms
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 1mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 5mA
- Current - Collector Cutoff (Max)：500nA (ICBO)
- Frequency - Transition：250 MHz
- Power - Max：200 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SST3
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Overview
The DTC124TCAT116 is an NPN digital transistor from ROHM Semiconductor, housed in a surface-mount SOT-23 (SST3) package. It integrates bias resistors to simplify circuit design. Key electrical parameters include a collector-emitter voltage of 50V and a continuous collector current of 100mA. The typical input resistance is 22kΩ. DC current gain ranges from 100 to 600 at 1mA and 5V. Transition frequency reaches 250MHz. Power dissipation is rated at 200mW per terminal on reference land or 350mW on a ceramic board. Operating temperature spans -55°C to +150°C.
Feature Summary
- Built-in biasing resistors enable inverter circuit configuration without external input resistors.
- Simplified operation requires only setting on/off conditions for easy circuit design.
- Complementary PNP type available as the DTA124TCA.
Applications
- Inverter circuits
- Interface applications
- Driver circuits
Procurement Notes
Verify component authenticity by checking the marking code '05' on the SOT-23 package against official ROHM documentation. Confirm the taping code T116 matches the reel specifications for a basic ordering unit of 3000 pieces. Ensure storage conditions remain within recommended humidity and temperature limits to maintain solderability before use.
Selection Notes
Select this component when a single NPN digital transistor with integrated biasing is required for low-voltage switching. Verify that the 50V collector-emitter rating and 100mA current capacity meet the specific load requirements. Consider the 22kΩ input resistance value for base drive compatibility. Ensure the operating environment stays within the specified junction temperature range of 150°C maximum.
Part Context
This part belongs to the DTC124TCA series of bias resistor built-in transistors. It is designed for general-purpose electronic equipment such as audio-visual devices, office automation tools, and home appliances. The product is not intended for automotive or medical applications unless explicitly agreed upon with ROHM sales representatives.
Replacement Considerations
The complementary PNP version is the DTA124TCA. For pin-compatible alternatives, verify exact electrical parameter matching including VCEO, IC, and R1 values. Cross-referencing requires confirmation of transition frequency and power dissipation characteristics under identical mounting conditions.
