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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 and R2
- 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)：47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：68 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：500nA
- 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 DTC124XCAT116 is a single NPN digital transistor manufactured by ROHM Semiconductor, housed in an SOT-23-3 surface-mount package. It integrates bias resistors with typical values of 22 kOhms for R1 and 47 kOhms for R2, yielding a ratio of 2.1. Key electrical parameters include a collector continuous current of 100 mA, a maximum operating frequency of 250 MHz, and a DC current gain (hFE) minimum of 68 at 5 mA and 5 V. The device supports a power dissipation of 350 mW and operates up to +150°C.
Feature Summary
- Integrates built-in biasing resistors to enable inverter circuit configuration without external input components.
Applications
- Inverter circuits
- Interface driver applications
Procurement Notes
Verify the specific suffix CAT116 against official ROHM documentation to confirm packaging details such as tape and reel specifications. Ensure compatibility with standard SMD/SMT assembly processes and validate that the SOT-23-3 footprint matches the target PCB design constraints before finalizing procurement orders.
Selection Notes
Select this component when a compact NPN solution with integrated biasing is required for signal inversion or switching. The 22 kOhm input resistance suits general logic interfacing. Verify that the 100 mA collector current and 350 mW power dissipation meet the thermal and load requirements of the specific application environment.
Part Context
This part belongs to the DTx series of digital transistors from ROHM Semiconductor. These devices combine bipolar junction transistors with internal resistor networks to simplify circuit design. The DTC124X variant specifically denotes an NPN configuration with a 22 kOhm base resistor, distinguishing it from other resistance ratios within the family.
Replacement Considerations
The DTC124XCA is listed as a part number alias for this component. When sourcing alternatives, ensure the substitute maintains the NPN polarity, SOT-23-3 package, and similar 22 kOhm/47 kOhm resistor ratio to preserve circuit functionality.
