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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 200MW SOT23-3
- 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 DDTA115TCA-7-F is a PNP pre-biased transistor from the R1-only series, housed in an SOT23 package. It integrates a single internal base resistor (R1) of 100 kΩ to simplify circuit design. The device features epitaxial planar die construction and supports a maximum collector-emitter voltage (VCEO) of -50 V and a continuous collector current (IC) of -100 mA. Electrical characteristics include a DC current transfer ratio (hFE) ranging from 100 to 600 at IC = -1mA and VCE = -5V, with a saturation voltage (VCE(sat)) of -0.3 V under specified conditions. The component operates within a temperature range of -55°C to +150°C and has a power dissipation rating of 200 mW.
Feature Summary
- Integrates a single built-in biasing resistor (R1 only) to reduce external component count.
- Utilizes epitaxial planar die construction for reliable performance.
- Complementary NPN types are available within the same product family.
Applications
- General-purpose switching applications requiring simplified bias networks.
- Driver circuits for low-power loads where space efficiency is critical.
- Digital logic interface circuits utilizing pre-biased configurations.
Procurement Notes
Verify that the specific part number suffix matches the required packaging configuration, as standard reels contain 3,000 units. Confirm compliance with RoHS 3 and REACH directives if environmental regulations apply to your manufacturing process. Ensure the ordering suffix aligns with the active status listed in the manufacturer's official documentation to avoid obsolete variants.
Selection Notes
Select this component when a PNP digital transistor with a 100 kΩ base resistor is required. Verify that the -50 V voltage rating and -100 mA current capacity meet the load requirements. Consider the SOT23 package dimensions for PCB layout compatibility. Check the complementary DDTC115 series if an NPN equivalent is needed for push-pull or differential configurations.
Part Context
This component belongs to the DDTA (R1-ONLY SERIES) CA family manufactured by Diodes Incorporated. The 'CA' suffix indicates the specific marking code and package variant for the SOT23 form factor. It is distinct from other series that may include dual resistors or different resistance values, such as the DDTA114 or DDTA124 models.
Replacement Considerations
Direct substitutes within the same family include DDTA113TCA-7-F (1kΩ), DDTA114TCA-7-F (10kΩ), and DDTA124TCA-7-F (22kΩ). Cross-manufacturer equivalents must match the PNP polarity, SOT23 package, and 100 kΩ internal base resistance value to ensure functional compatibility without circuit modification.
