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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 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 DDTA114WUA-7 is a PNP pre-biased small signal surface mount transistor manufactured by Diodes Incorporated. It features an epitaxial planar die construction with built-in biasing resistors where R1 equals 10 kΩ and R2 equals 10 kΩ. The device is housed in a SOT-323 package and supports a maximum collector-emitter voltage of -50 V and a continuous collector current of -100 mA. Power dissipation is rated at 200 mW, with an operating temperature range from -55°C to +150°C. The component includes a transition frequency of 250 MHz and complies with RoHS standards.
Feature Summary
- Epitaxial planar die construction for reliable performance
- Integrated unequal biasing resistors (R1=10kΩ, R2=10kΩ)
- Lead-free plating with matte tin finish over alloy 42 leadframe
- RoHS compliant and classified as a 'Green' device
Applications
- General-purpose switching applications
- Driver circuits for logic interfaces
- Low-power digital signal processing systems
Procurement Notes
Verify the specific ordering suffix against official documentation to ensure correct packaging and compliance status. Confirm that the requested part matches the exact resistor values and polarity specifications required for the circuit design. Cross-reference the manufacturer's datasheet revision history to validate any potential updates to mechanical dimensions or electrical characteristics prior to procurement.
Selection Notes
Select this component when a compact PNP solution with integrated base and emitter resistors is required. Ensure the application voltage does not exceed the -50 V rating and the current demand remains within the -100 mA limit. Consider the thermal resistance of 625 °C/W when designing heat dissipation strategies for high ambient temperatures.
Part Context
This component belongs to the DDTA series of pre-biased transistors designed for space-saving surface mount applications. It serves as a complement to the DDTC NPN series, offering matched characteristics for push-pull configurations. The UA suffix indicates the SOT-323 package type, which provides a small footprint suitable for dense PCB layouts.
Replacement Considerations
Compatible substitutes include other PNP pre-biased transistors with identical 10kΩ/10kΩ resistor ratios and SOT-323 packaging. Verify pinout compatibility and electrical ratings before substitution.
