仕様
| 属性 | 値 |
| Supplier | Diodes Incorporated |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| 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) | 10 kOhms |
| DC Current Gain(h FE)(Min) @ Ic Vce | 30 @ 5mA, 5V |
| Vce Saturation(Max) @ Ib Ic | 300mV @ 500µA, 10mA |
| Current - Collector Cutoff(Max) | 500nA |
| Frequency - Transition | 250 MHz |
| Power - Max | 200 mW |
| Mounting Type | Surface Mount |
概要
Description
DDTC114ECA-7-F is a digital transistor (an NPN transistor with built‑in bias resistors) designed to simplify logic-to-load switching. Key idea: you can drive the device directly from a microcontroller without needing an external base resistor. When the input is high, current flows through the internal base resistor and the transistor turns on; when the input is low, the transistor turns off (some variants include a base-emitter pull-down to prevent leakage with floating inputs).
Why use it:
- Reduces external components and PCB noise/trace routing
- Easier interfacing to 3.3/5V logic
- Provides inherent base current limiting and protection for the driving source
Typical uses:
- Driving LEDs, small relays, or other low‑current loads from a microcontroller
Packaging and suffix:
- -F usually denotes a lead-free/RoHS-compliant variant and/or specific packaging style (e.g., reel). Exact packaging and electrical specs (Vce, Ic, gain, switching speed) are in the manufacturer’s datasheet, so consult it for precise values and pinout.
Why use it:
- Reduces external components and PCB noise/trace routing
- Easier interfacing to 3.3/5V logic
- Provides inherent base current limiting and protection for the driving source
Typical uses:
- Driving LEDs, small relays, or other low‑current loads from a microcontroller
Packaging and suffix:
- -F usually denotes a lead-free/RoHS-compliant variant and/or specific packaging style (e.g., reel). Exact packaging and electrical specs (Vce, Ic, gain, switching speed) are in the manufacturer’s datasheet, so consult it for precise values and pinout.
Features
Here are typical features for the DDTC114ECA-7-F digital transistor:
- NPN digital transistor with built-in base resistor (no external base resistor needed)
- Logic-level input compatible (direct drive from 3–5 V logic)
- Low input current with high gain for easy MCU interfacing
- Saturated switching with low Vce(sat)
- Collector current capability in the tens of milliamps range (often up to ~50 mA)
- Voltage rating (Vce) in the tens of volts range (variant dependent)
- Small package, RoHS-compliant (often SOT-23-3 or similar)
- Suitable for direct LED, relay, and small load driving from microcontrollers
Note: exact voltage, current, and package details vary by variant. Check the manufacturer datasheet for precise specifications.
- NPN digital transistor with built-in base resistor (no external base resistor needed)
- Logic-level input compatible (direct drive from 3–5 V logic)
- Low input current with high gain for easy MCU interfacing
- Saturated switching with low Vce(sat)
- Collector current capability in the tens of milliamps range (often up to ~50 mA)
- Voltage rating (Vce) in the tens of volts range (variant dependent)
- Small package, RoHS-compliant (often SOT-23-3 or similar)
- Suitable for direct LED, relay, and small load driving from microcontrollers
Note: exact voltage, current, and package details vary by variant. Check the manufacturer datasheet for precise specifications.
Manufacturer
Manufacturer: Diodes Incorporated.
What kind of company: Diodes Incorporated is a global semiconductor company (public, NASDAQ: DIOD) that designs, markets and supplies discrete semiconductors, power management, analog and mixed‑signal ICs, logic devices and related components for consumer, computing, industrial and communications markets. Headquarters: Plano, Texas, USA.
What kind of company: Diodes Incorporated is a global semiconductor company (public, NASDAQ: DIOD) that designs, markets and supplies discrete semiconductors, power management, analog and mixed‑signal ICs, logic devices and related components for consumer, computing, industrial and communications markets. Headquarters: Plano, Texas, USA.
Application
DDTC114ECA‑7‑F is an NPN digital transistor with a built‑in base resistor. Applications include:
- Direct I/O drive from microcontrollers for LEDs, opto‑couplers, or small transistors/relays
- Input buffering/level‑shifting for logic circuits and sensors
- Simple switch circuits in consumer electronics, portable devices, and automotive/industrial sensors
- Any compact, resistor‑limited switching needs in SOT‑23 packaging
Note: It enables easy, low‑power switching without external base resistors.
- Direct I/O drive from microcontrollers for LEDs, opto‑couplers, or small transistors/relays
- Input buffering/level‑shifting for logic circuits and sensors
- Simple switch circuits in consumer electronics, portable devices, and automotive/industrial sensors
- Any compact, resistor‑limited switching needs in SOT‑23 packaging
Note: It enables easy, low‑power switching without external base resistors.
Package
Package type: SOT-23 (3-pin) surface-mount package.
