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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V SOT523
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Resistors Included：R1 and R2
- Transistor Type：NPN - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：10 kOhms
- Resistor - Emitter Base (R2)：47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：68 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 250µA, 5mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：250 MHz
- Power - Max：150 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SOT-523
- Supplier Device Package：SOT-523
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Overview
The DDTC114YE-7 is an NPN pre-biased transistor from the R1≠R2 series, manufactured by Diodes Incorporated. It integrates a single NPN transistor with two distinct biasing resistors (R1 and R2) in a surface-mount SOT523 package. The device features a supply voltage rating of 50V and a maximum collector current of 100mA. Internal resistor values are nominally 10kΩ for R1 and 47kΩ for R2. Key electrical characteristics include a DC current gain (hFE) of at least 68 at 5mA output current, a transition frequency of 250MHz, and a power dissipation capacity of 150mW.
Feature Summary
- Integrates an NPN transistor with built-in biasing resistors to simplify circuit design
- Features unequal resistance values (R1≠R2) for specific input impedance requirements
- Constructed using epitaxial planar die technology for reliability
- Compliant with RoHS standards and halogen-free manufacturing processes
Applications
- General-purpose switching applications
- Driver circuits for low-power loads
- Interface logic level translation
- Inverter configurations requiring fixed bias networks
Procurement Notes
Verify the complete part number against official distributor catalogs to ensure correct suffix designation. Confirm that the specified packaging format matches project requirements. Cross-reference the manufacturer's datasheet revision history to validate component specifications prior to procurement.
Selection Notes
Select this component when a single NPN switch requires integrated base and emitter biasing resistors. Ensure the required input resistance ratio aligns with the nominal 10kΩ and 47kΩ values. Verify that the SOT523 package dimensions fit the available PCB real estate constraints.
Part Context
This component belongs to the DDTC family of digital transistors produced by Diodes Incorporated. It serves as a compact alternative to discrete resistor-transistor networks, reducing board space and assembly complexity. The device is designed for high-volume consumer and industrial electronics where consistent biasing is critical.
Replacement Considerations
Direct substitutes within the same series include DDTC114WE-7-F and DDTC114XE-7-F, which share identical pinouts but differ in internal resistor values. Complementary PNP versions such as DDTA114YE-7-F are available for push-pull configurations.
