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Product Detailed Parameters
- Description：TRANS PREBIAS DUAL PNP SOT563
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：2 PNP - Pre-Biased (Dual)
- Current - Collector (Ic) (Max)：100mA
- Voltage - Collector Emitter Breakdown (Max)：50V
- Resistor - Base (R1)：4.7kOhms
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 1mA, 5V
- pa_vce-saturation-max-ib-ic：
- Current - Collector Cutoff (Max)：-
- Frequency - Transition：250MHz
- Power - Max：150mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SOT-563, SOT-666
- Supplier Device Package：SOT-563
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Overview
The DDA143TH-7 is a PNP pre-biased small signal dual surface mount transistor manufactured by Diodes Incorporated. It features epitaxial planar die construction and built-in biasing resistors, specifically R1 at 4.7 kOhms and R2 at 4.7 kOhms. The device operates with a maximum collector-emitter voltage of -50 V and a continuous collector current of -100 mA. Power dissipation is rated at 150 mW, with an operating temperature range from -55°C to +150°C. It is housed in an SOT-563-6 package.
Feature Summary
- Epitaxial planar die construction for high reliability
- Integrated biasing resistors simplify circuit design
- Qualified to AEC-Q101 standards for automotive applications
- Totally lead-free and fully RoHS compliant
Applications
- Automotive electronic systems requiring high reliability components
- General-purpose switching applications utilizing dual PNP transistors
- Surface mount assembly processes compatible with SOT-563 packages
Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm compliance with specific environmental directives such as RoHS and REACH requirements. Ensure the ordering suffix matches the required packaging quantity and reel size specifications provided in the manufacturer documentation.
Selection Notes
Select this component when a dual PNP configuration with integrated biasing is required. Verify that the 4.7 kOhm resistor values align with the target circuit's input impedance needs. Ensure the SOT-563 footprint fits within the available board space constraints.
Part Context
This part belongs to the DDA series of pre-biased transistors from Diodes Incorporated. It serves as the PNP counterpart to the NPN DDC series. The 'H' suffix indicates the specific resistor combination and package type within the broader product family.
Replacement Considerations
Direct replacements include other DDA series parts with identical resistor ratios or the complementary NPN DDC143TH-7 if polarity inversion is acceptable. Verify pinout compatibility and thermal resistance characteristics before substitution.
FAQ
What are the nominal values of the built-in biasing resistors?
For the DDA143TH-7, both R1 and R2 have nominal values of 4.7 kOhms.
Is this component suitable for automotive applications?
Yes, the DDA143TH-7 is qualified to AEC-Q101 standards for high reliability in automotive environments.
What is the maximum power dissipation rating?
The maximum power dissipation (PD) is rated at 150 mW at an ambient temperature of +25°C.
