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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V SC59-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Resistors Included：R1 Only
- Transistor Type：NPN - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：2.2 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 DDTC123TKA-7-F is an NPN pre-biased small signal surface mount transistor manufactured by Diodes Incorporated. It features epitaxial planar die construction and a built-in biasing resistor (R1) with a nominal value of 2.2 kΩ. The device operates within a collector-emitter voltage range of 50 V and supports a maximum continuous collector current of 100 mA, with a power dissipation rating of 200 mW. It utilizes the SC-59 package and maintains an operating temperature range from -55°C to +150°C. The component exhibits a DC current transfer ratio (hFE) ranging from 100 to 600 at IC = 1mA and VCE = 5V.
Feature Summary
- Epitaxial planar die construction for reliable performance
- Integrated single biasing resistor (R1 only)
- Lead-free and RoHS compliant manufacturing
- Green device utilizing UL 94V-0 rated molding compound
Applications
- General-purpose switching applications
- Driver circuits for low-power loads
- Logic interface buffering
Procurement Notes
Verify the specific ordering suffix against official Diodes Incorporated documentation to confirm packaging and compliance status. Ensure that the SC-59 package dimensions align with the target PCB footprint requirements. Confirm environmental compliance details such as halogen content based on the manufacturing date code, as specifications may vary for units produced prior to mid-2006.
Selection Notes
Select this component when a compact NPN solution with integrated base resistance is required. The R1-only configuration simplifies circuit design compared to dual-resistor alternatives. Verify that the 2.2 kΩ input resistance meets the drive source impedance requirements. Consider the thermal resistance of 625 °C/W when designing for high ambient temperatures or limited airflow conditions.
Part Context
This part belongs to the DDTC KA series of pre-biased transistors from Diodes Incorporated. It serves as the NPN counterpart to the DDTA PNP series. The 'KA' designation indicates the SC-59 case style and specific marking codes. This series is designed for space-constrained surface mount applications requiring simplified biasing networks.
Replacement Considerations
Complementary PNP types are available in the DDTA series. Other variants within the DDTC1xxTKA family offer different nominal resistor values. Verify pinout compatibility and electrical parameters before substituting with components from other manufacturers.
