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PDTC124ET-QR

Name: PDTC124ET-QR
Rating: 4.7 (12 reviews)

TRANS PREBIAS NPN 50V TO236AB

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Mfr。パート #PDTC124ET-QR
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仕様

Part Status	Active
Base Product Number	PDTC124
Transistor Type	NPN - Pre-Biased
Current - Collector (Ic) (Max)	100 mA
Voltage - Collector Emitter Breakdown (Max)	50 V
Resistors Included	R1 and R2
Resistor - Base (R1)	22 kOhms
Resistor - Emitter Base (R2)	22 kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce	60 @ 5mA, 5V
Vce Saturation (Max) @ Ib, Ic	150mV @ 500µA, 10mA
Current - Collector Cutoff (Max)	100nA
Frequency - Transition	230 MHz
Power - Max	250 mW
Grade	Automotive
Qualification	AEC-Q101
Mounting Type	Surface Mount
Package	TO-236-3, SC-59, SOT-23-3
Supplier Device Package	TO-236AB
Packaging	Cut Tape (CT), Tape & Reel (TR)

概要

Description

PDTC124ET-QR is a digital NPN transistor with a built-in base resistor, in a small SOT-23 package with Tape & Reel (QR) packaging. It lets you drive loads directly from a logic output without an external base resistor.
Key points:
- 3-pin device: base (input), emitter, collector (output to load).
- Built-in base resistor provides defined base current from the driving logic.
- Ideal for interfacing microcontrollers to LEDs, relays, optocouplers, and small loads.
- Benefits: fewer parts, consistent switching, simpler interface, better protection for the driving MCU.
- Packaging: SOT-23, -QR denotes tape-and-reel.
Usage notes:
- Connect input to MCU logic output; emitter to ground; load between Vcc and collector.
- Ensure the load current and voltage stay within the device’s Ic and Vce ratings (see datasheet for exact limits).
For exact electrical specs and pinout, consult the PDTC124ET-QR datasheet from the manufacturer.

Features

Concise features of PDTC124ET-QR:
- NPN digital transistor with built-in base resistor (no external base resistor needed)
- Direct-drive from logic/microcontroller inputs (TTL/CMOS compatible)
- Open-collector style output suitable for sinking loads
- Reduces component count and PCB footprint; simplified BOM
- Suitable for switching modest loads (LEDs, small transistors, relays)
- Fast switching for digital applications
- Pb-free / RoHS compliant
- Packaging: Tape & Reel (QR) for automated assembly and handling
Note: For exact electrical ratings (Vce, Ic, base resistance, switching speeds, etc.), please refer to the datasheet.

Package

PDTC124ET-QR uses a 3-pin SOT-23 surface-mount package. The -QR suffix indicates Tape & Reel (reel-packaged) packaging for automated handling.

Pinout

3 pins. It is an NPN digital transistor with a built-in base resistor. Pin 1 = Base (input, current-limited by internal resistor), Pin 2 = Emitter, Pin 3 = Collector (output). It sinks load current when the input is high and requires no external base resistor. The “-QR” suffix indicates tape & reel packaging.

Manufacturer

Manufacturer: Toshiba (Toshiba Electronic Devices & Storage Corporation).
What kind of company: A Japanese multinational electronics company that designs and manufactures semiconductors, storage devices, and other electronic components for various industries.

Application

PDTC124ET-QR is an NPN digital transistor with a built-in base resistor. Applications:
- Directly switches low-power DC loads from microcontrollers or logic outputs
- Drives relays, solenoids, LEDs, and optocouplers without external base resistors
- Used in compact, low-component-count switch circuits in consumer electronics, automotive, and industrial control

Equivalent

PDTC124ET-QR is a digital transistor with a built-in base resistor (SOT-23). Equivalents include Rohm DTC124E (and DTC124EK/ DTC124EU) and the DTC114E family; Nexperia PDTC124/PDTC114 cross-refs. For exact match (package/resistor value), check Digi-Key/Mouser cross-reference.