DTC114EETL

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DTC114EETL

TRANS PREBIAS NPN 150MW EMT3

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規格

Supplier Rohm Semiconductor
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
TransistorType NPN - Pre-Biased
Current-Collector(Ic)(Max) 50 mA
Voltage-CollectorEmitterBreakdown(Max) 50 V
Resistor-Base(R1) 10 kOhms
Resistor-EmitterBase(R2) 10 kOhms
DCCurrentGain(hFE)(Min)@IcVce 30 @ 5mA, 5V
VceSaturation(Max)@IbIc 300mV @ 500µA, 10mA
Current-CollectorCutoff(Max) 500nA
Frequency-Transition 250 MHz
Power-Max 150 mW
MountingType Surface Mount
Package/Case SC-75, SOT-416

概述

Description

DTC114EETL is a digital NPN transistor from ROHM (DTC series) with built-in input bias resistor. It lets you drive a load directly from a microcontroller without an external base resistor (and often with a base-emitter resistor to help keep the output off when the input floats). The device provides an open-collector output that sinks current when the input is high. The “TL” suffix typically denotes a lead-free, tape-and-reel (SOT-23-3) package variant.
Key points:
- No external base resistor needed; simple MCU interface.
- Internal base biasing helps protect the MCU and stabilize operation.
- Suitable for switching small loads (LEDs, relays, low-power signals) at moderate voltages/currents within the datasheet limits.
- Check the datasheet for exact Vceo, Ic, and switching characteristics.
How to use: connect emitter to ground, collector to the load (load to supply), and drive the input from the MCU. When input is high, it sinks load current; when low, it turns off.

Features

DTC114EETL features (concise):
- NPN digital transistor with built-in base resistor (no external base resistor needed)
- Optional built-in base-emitter bias resistor for stable off-state
- TTL/CMOS logic level input compatibility
- Direct-drive capability for small loads (LEDs, relays, transistors)
- Fast switching with low input current and compact SOT-23 package
- RoHS-compliant, tape-and-reel packaging (ETL)
- Suitable for applications requiring reduced external components and simple interfacing
Note: For exact Ic, Vceo, hFE, and electrical limits, refer to the official datasheet.

Package

Package type: SOT-23 (3-pin) surface-mount, Pb-free (lead-free).

Pinout

- Pin count: 3 pins (SOT-23-3 package)
- Function: NPN digital transistor with a built-in base resistor; acts as a driver/switch. It can be driven directly from a logic signal; emitter typically to ground, collector to the load (to Vcc). The internal base resistor limits base current.

Manufacturer

Manufacturer: ROHM Semiconductor (ROHM Co., Ltd.).
What kind of company: A Japanese multinational company that designs and manufactures semiconductors and electronic components (discretes, ICs, LEDs, power devices, etc.).

Application

DTC114EETL is a digital transistor with a built-in base resistor. Common uses:
- Directly drive LEDs/indicators from microcontrollers
- Switch small loads (relay coils, transistors, optocouplers) in low-current circuits
- Interface TTL/CMOS logic to higher-current devices with improved noise immunity
- Simplify designs by eliminating external base resistors in embedded applications

Equivalent

DTC114EETL is a NPN digital transistor with built-in base resistors. Common equivalents (same footprint) include:
- ON Semiconductor: PDTC114E and PDTC114EL
- Renesas/DTC-series digital transistors
- Rohm DTC-series digital transistors
For an exact cross, please provide V_CE, I_C, and packaging. I can then give precise alternative part numbers.

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