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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 50V SC59-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Resistors Included：R1 Only
- 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)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 1mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 5mA
- Current - Collector Cutoff (Max)：500nA (ICBO)
- 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：SC-59-3
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Overview
The DDTA124TKA-7-F is a PNP pre-biased small signal surface mount transistor from Diodes Incorporated, featuring an epitaxial planar die construction. It integrates a single built-in biasing resistor (R1) with a nominal value of 22 kΩ within an SC-59 case. The device supports a maximum collector-emitter voltage (VCEO) of -50 V and a continuous collector current (IC) of -100 mA, with a power dissipation rating of 200 mW. It exhibits a minimum DC current transfer ratio (hFE) of 100 at IC = -1mA and VCE = -5V. The component operates across a temperature range of -55°C to +150°C and complies with RoHS standards.
Feature Summary
- Integrates a single built-in biasing resistor (R1 only) to simplify circuit design.
- Utilizes epitaxial planar die construction for reliable performance.
- Available in a compact SC-59 molded plastic package.
- Compliant with lead-free and RoHS requirements.
Applications
- General-purpose switching applications requiring simplified bias networks.
- Driver circuits for low-power loads where space is constrained.
- Digital logic interface circuits utilizing PNP configurations.
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm packaging details. Confirm that the SC-59 package dimensions align with the target PCB footprint layout. Ensure environmental compliance requirements match the manufacturer's RoHS declarations. Check for any updates regarding the 'Green' molding compound status if manufacturing date codes are critical for the application.
Selection Notes
Select this component when a PNP digital transistor with a single base resistor is required. Compare the 22 kΩ input resistance against circuit drive capabilities. Verify that the -50 V voltage rating accommodates the maximum system voltages. Consider the thermal resistance characteristics for heat dissipation in densely packed assemblies.
Part Context
This part belongs to the DDTA(R1-only series) KA family from Diodes Incorporated. It serves as the PNP counterpart to the DDTC NPN pre-biased transistor series. The device is designed for surface mount technology (SMT) assembly processes.
Replacement Considerations
Direct substitutes include other DDTA124 variants with different packages or resistor values. Cross-brand equivalents should be evaluated based on matching hFE, VCEO, and package dimensions.
