Simplified circuit design using ROHM DTC124EUBTL NPN digital transistor with integrated R1 and R2 resistors

Categories	Single, Pre-Biased Bipolar Transistors
Output Voltage(VO(on)):	300mV@10mA,0.5mA
Input Resistor:	22kΩ
Resistor Ratio:	1
Number:	-
Collector - Emitter Voltage VCEO:	50V
Description:	Pre-Biased Bipolar Transistor (BJT) 50V 100mA 200mW Surface Mount SOT-323FL
Mfr. Part #:	DTC124EUBTL
Model Number:	DTC124EUBTL
Package:	SOT-323FL

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Simplified circuit design using ROHM DTC124EUBTL NPN digital transistor with integrated R1 and R2 resistors

Product Overview

The DTC124E series are NPN digital transistors with built-in bias resistors, designed for simplified circuit configurations. Featuring integrated R1 and R2 resistors (22k each), these transistors eliminate the need for external input resistors, enabling easy inverter circuit design. They are ideal for applications requiring simple on/off condition settings, such as inverters, interfaces, and driver circuits. Complementary PNP types are also available in the DTA124E series.

Product Attributes

Brand: ROHM
Certifications: RoHS

Technical Specifications

Model	Package	Package Size	Taping Code	Reel Size (mm)	Tape Width (mm)	Basic Ordering Unit (pcs)	Marking	VCC (MAX)	IC(MAX)	R1	R2	Power Dissipation (mW)
DTC124EM	SOT-723	1212	T2L	180	8	8000	25	50V	100mA	22k	22k	150
DTC124EEB	SOT-416FL	1616	TL	180	8	3000	25	50V	100mA	22k	22k	150
DTC124EE	SOT-416	1616	TL	180	8	3000	25	50V	100mA	22k	22k	150
DTC124EUB	SOT-323FL	2021	TL	180	8	3000	25	50V	100mA	22k	22k	200
DTC124EUA	SOT-323	2021	T106	180	8	3000	25	50V	100mA	22k	22k	200
DTC124EKA	SOT-346	2928	T146	180	8	3000	25	50V	100mA	22k	22k	200

Parameter	Symbol	Conditions	Min.	Typ.	Max.	Unit
Supply voltage	VCC				50	V
Input voltage	VIN		-10		40	V
Output current	IO				30	mA
Collector current (MAX)	IC(MAX)*1				100	mA
Junction temperature	Tj				150
Range of storage temperature	Tstg		-55		+150
Input voltage (OFF)	VI(off)	VCC = 5V, IO = 100A	-	-	0.5	V
Input voltage (ON)	VI(on)	VO = 0.2V, IO = 5mA	3.0	-	-	V
Output voltage (ON)	VO(on)	IO = 10mA, II = 0.5mA	-	100	300	mV
Input current	II	VI = 5V	-	-	360	A
Output current (OFF)	IO(off)	VCC = 50V, VI = 0V	-	-	500	nA
DC current gain	GI	VO = 5V, IO = 5mA	56	-	-	-
Input resistance	R1		-	15.4	28.6	k
Resistance ratio	R2/R1		-	0.8	1.2	-
Transition frequency	fT*1	VCE = 10V, IE = -5mA, f = 100MHz	-	250	-	MHz

1806142120_ROHM-DTC124EUBTL_C123000.pdf

Simplified circuit design using ROHM DTC124EUBTL NPN digital transistor with integrated R1 and R2 resistors

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