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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 DDTC115GCA-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 100 kΩ. The device is housed in an SOT-23 package, which measures approximately 2.8 mm in length and 1.4 mm in width. Key electrical ratings include a collector-emitter voltage (VCEO) of 50 V, a continuous collector current (IC) of 100 mA, and a power dissipation (PD) of 200 mW at 25°C ambient temperature. The minimum DC current gain (hFE) is specified as 82 under standard test conditions.
Feature Summary
- Integrates a single internal biasing resistor to simplify circuit design and reduce component count.
- Utilizes epitaxial planar die construction for reliable performance in surface mount applications.
- Manufactured using lead-free, halogen-free, and antimony-free materials compliant with RoHS standards.
Applications
- General-purpose switching circuits requiring minimal external components.
- Driver stages for low-power loads in consumer electronics.
- Logic interface circuits for translating signals between different voltage levels.
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm packaging details. The base part number corresponds to the component family, while suffixes indicate tape and reel quantities or environmental compliance variations. Confirm that the received units match the required marking codes and date codes for traceability purposes before integration into production lines.
Selection Notes
Select this component when a compact NPN solution with integrated biasing is required for space-constrained designs. Ensure the application operates within the 50 V collector-emitter voltage limit and does not exceed the 100 mA continuous current rating. Consider the thermal resistance characteristics if operating near the maximum junction temperature limits in enclosed environments.
Part Context
This component belongs to the DDTC1xxGCA series from Diodes Incorporated, designed specifically for surface mount technology. The 'CA' designation indicates the inclusion of a single R2 biasing resistor, distinguishing it from other variants that may feature dual resistors or no internal biasing. The series offers complementary PNP types for complete push-pull configurations.
Replacement Considerations
Direct replacements must maintain the SOT-23 package, NPN polarity, and similar electrical ratings. Verify that substitute parts offer comparable hFE values and internal resistor tolerances to ensure circuit stability without redesigning the bias network.
