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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 200MW SOT323
- Series：*
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Tape & Reel (TR),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 DDTC124GUA-7 is an NPN pre-biased small signal surface mount transistor manufactured by Diodes Incorporated. It features epitaxial planar die construction and includes a built-in biasing resistor R2 with a nominal value of 22 kΩ. The device operates within a collector-emitter voltage range of up to 50 V and supports a maximum continuous collector current of 100 mA. Power dissipation is rated at 200 mW, with a junction-to-ambient thermal resistance of 625 °C/W. The component functions reliably across an operating temperature range from -55°C to +150°C and utilizes the SOT-323 package.
Feature Summary
- Integrates a single internal biasing resistor (R2) for simplified circuit design
- Utilizes epitaxial planar die construction for robust performance
- Complies with RoHS standards and utilizes green molding compound
Applications
- Switching applications in portable electronic devices
- Driver circuits for logic interfaces
- General-purpose amplification stages
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm packaging details. The datasheet lists the tape and reel variant as DDTC124GUA-7-F with a shipping quantity of 3000 units. Confirm that the received components match the required marking codes and date codes specified in the manufacturer's ordering information section.
Selection Notes
Select this component when a compact NPN solution with integrated base biasing is required. The 22 kΩ internal resistor simplifies drive requirements compared to discrete configurations. Ensure the application stays within the 200 mW power dissipation limit and verify that the SOT-323 package dimensions fit the available PCB space constraints.
Part Context
This part belongs to the DDTC series of pre-biased transistors from Diodes Incorporated. It serves as the NPN counterpart to the DDTA series PNP types. The 'GUA' designation indicates the SOT-323 case style and specific electrical characteristics defined in the DS30324 datasheet revision.
Replacement Considerations
Direct substitutes include other NPN pre-biased transistors with similar 22 kΩ biasing resistors and SOT-323 packaging. Verify that alternative parts meet the same 50 V breakdown voltage and 100 mA current ratings before implementation.
