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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 200MW SOT23-3
- Series：*
- Mfr：Diodes Incorporated
- Package：Cut Tape (CT)
- Resistors Included：-
- Transistor Type：-
- Current - Collector (Ic) (Max)：-
- Voltage - Collector Emitter Breakdown (Max)：-
- Resistor - Base (R1)：-
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- Vce Saturation (Max) @ Ib, Ic：-
- Current - Collector Cutoff (Max)：-
- Frequency - Transition：-
- Power - Max：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
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Overview
The DDTC124TCA-7 is an NPN pre-biased transistor from Diodes Incorporated, housed in a surface-mount SOT23 package. It integrates a single internal biasing resistor (R1) with a nominal value of 22 kΩ. The device supports a maximum collector-emitter voltage (VCEO) and collector-base voltage (VCBO) of 50 V, with a continuous collector current rating of 100 mA. Electrical performance includes a minimum DC current gain (hFE) of 100 at IC = 1 mA and VCE = 5 V, and a transition frequency (fT) of 250 MHz. Power dissipation is rated at 200 mW, and the unit operates within a temperature range of -55°C to +150°C.
Feature Summary
- Integrates a single built-in base biasing resistor for simplified circuit design
- Utilizes epitaxial planar die construction for reliable switching performance
- Manufactured using halogen-free and antimony-free green molding compounds
Applications
- General-purpose digital switching circuits
- Driver stages for low-power loads
- Logic level translation interfaces
Procurement Notes
Verify the specific ordering suffix against official documentation, as variations may exist regarding packaging or manufacturing origin. Confirm RoHS compliance status and environmental declarations directly with the manufacturer prior to procurement. Ensure that the selected component matches the required marking code and date code specifications for your production timeline.
Selection Notes
Select this component when a single integrated base resistor is sufficient for the application requirements. Verify that the 22 kΩ input resistance aligns with the desired drive current and logic interface levels. Consider the thermal resistance and power dissipation limits if operating near maximum ratings. Evaluate alternative packages only if physical footprint constraints differ from the standard SOT23 form factor.
Part Context
This part belongs to the DDTC R1-only series, which features NPN transistors with varying single resistor values. It serves as a compact alternative to discrete resistor networks combined with standard BJTs. The series provides standardized solutions for common biasing needs in consumer electronics and industrial control applications requiring minimal external components.
Replacement Considerations
Direct replacements include other Diodes Incorporated parts within the same series, such as DDTC124TCA-7-F. Cross-manufacturer equivalents like Nexperia PDTC124TT should be evaluated for pin compatibility and electrical parameter matching.
