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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 200MW SOT323
- Series：*
- Mfr：Diodes Incorporated
- Package：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 DDTA125TUA-7-F is a PNP pre-biased transistor from the DDTA (R1-only) series by Diodes Incorporated, housed in an SOT323 package. It features a built-in biasing resistor with a nominal value of 200 kΩ and a DC current transfer ratio (hFE) ranging from 100 to 600 at IC = -1mA, VCE = -5V. The device supports a maximum collector-emitter voltage (VCEO) of -50 V and a continuous collector current of -100 mA. Power dissipation is rated at 200 mW, with an operating temperature range spanning from -55°C to +150°C.
Feature Summary
- Integrates a single internal biasing resistor for simplified circuit design
- Utilizes epitaxial planar die construction for reliable performance
- Complies with RoHS standards and contains no intentionally added lead
Applications
- General-purpose switching applications requiring integrated base drive
- Driver circuits for low-power loads or logic level translation
- Embedded systems utilizing PNP configurations with limited pin availability
Procurement Notes
Verify component status before procurement as this specific part number is listed as obsolete in official documentation. Confirm availability through authorized channels and check for alternative active series members if long-term supply is required. Ensure compliance with environmental directives such as RoHS 3 when sourcing replacements.
Selection Notes
Select this component when a PNP digital transistor with a high-value input resistance is needed. The 200 kΩ resistor suits applications requiring minimal base current draw. Verify that the -50 V rating and -100 mA current limits align with the target load requirements. Consider thermal derating curves for high ambient temperature environments.
Part Context
This component belongs to the DDTA R1-only series, which integrates a single biasing resistor into a compact SOT323 package. It serves as the PNP counterpart to the DDTC NPN series. The 'UA' suffix indicates the SOT323 case style, while '-7-F' denotes the reel packaging format containing 3,000 units per reel.
Replacement Considerations
DDTA125TUA-7
FAQ
What is the nominal value of the built-in resistor?
The nominal value of the built-in biasing resistor (R1) is 200 kΩ.
Is this component suitable for automotive applications?
Standard versions are not explicitly qualified for automotive use; contact Diodes Incorporated for parts qualified to AEC-Q100/101/200.
What is the maximum power dissipation?
The maximum power dissipation is 200 mW at an ambient temperature of +25°C.
