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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 50V SOT23-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Resistors Included：R1 and R2
- Transistor Type：PNP - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：22 kOhms
- Resistor - Emitter Base (R2)：22 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：56 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：250 MHz
- Power - Max：200 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
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Overview
The DDTA124ECA-7-F is a PNP pre-biased small signal surface mount transistor from Diodes Incorporated, housed in an SOT23 package. It features built-in biasing resistors with nominal values of R1 = R2 = 22 kΩ. 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. The component meets AEC-Q101 standards for high reliability and includes a gain-bandwidth product of 250 MHz.
Feature Summary
- Epitaxial planar die construction with integrated biasing resistors where R1 equals R2.
- Qualified to AEC-Q101 automotive standards for high reliability applications.
- Totally lead-free and fully RoHS compliant, halogen and antimony free green device.
Applications
- Automotive electronic circuits requiring AEC-Q101 qualification.
- General-purpose switching applications utilizing the pre-biased configuration.
- Surface mount assembly processes compatible with SOT23 packaging.
Procurement Notes
Verify the specific ordering suffix '-7-F' corresponds to the standard 3,000-unit reel size and 8mm tape width as documented in the manufacturer's ordering information table. Confirm that the 'CA' variant designation aligns with the required resistor tolerance and marking code specifications for your production requirements.
Selection Notes
Select this component when a PNP digital transistor with equal base and emitter resistors is required. The 22 kΩ internal resistance value suits moderate drive current applications. Ensure the design accommodates the -50 V supply voltage limit and the 200 mW power dissipation constraint within the specified ambient temperature range.
Part Context
This part belongs to the DDTA124 series within the DDTA (R1 = R2 Series) CA family. It serves as the PNP counterpart to the DDTC124ECA NPN type. The 'CA' suffix indicates the specific resistor ratio and marking code configuration defined in the DS30333 datasheet revision.
Replacement Considerations
The DDTA124TCA-7-F is a direct replacement offering identical electrical characteristics and pinout within the same SOT23 package. Verify that the substitute part maintains the required AEC-Q101 qualification status if automotive compliance is mandatory for the application.
FAQ
What are the nominal values for the built-in biasing resistors?
For the DDTA124ECA model, both the base resistor (R1) and the emitter resistor (R2) have a nominal value of 22 kΩ.
Is this component suitable for automotive applications?
Yes, the DDTA124ECA-7-F is qualified to AEC-Q101 standards for high reliability and is PPAP capable, making it suitable for automotive electronics.
What is the maximum power dissipation rating?
The maximum power dissipation (PD) is 200 mW when mounted on an FR-4 PC board with the minimum recommended pad layout at an ambient temperature of +25°C.
