Equivalent & Substitute Parts for 2SD2391T100Q

Part Overview

The Rohm Semiconductor 2SD2391T100Q is an NPN bipolar junction transistor (BJT), designed for surface-mount applications in the Transistors, Bipolar (BJT) category. It features a maximum collector-emitter voltage of 60 V, maximum collector current of 2 A, transition frequency of 210 MHz, and a power dissipation of 2 W in the MPT3 (TO-243AA) package. The product is marked as Not For New Designs, signifying discontinued or restricted use in new developments; thus, sourcing alternative models with comparable electrical, thermal, and mechanical properties is necessary for ongoing or future applications.

Key Parameters

Parameter	Value
Transistor Type	NPN
Collector-Emitter Voltage (Max)	60 V
Collector Current (Max)	2 A
Power Dissipation (Max)	2 W
DC Current Gain (hFE, Min)	120 @ 500mA, 2V
Transition Frequency	210 MHz
Vce Saturation (Max)	350 mV @ 50mA, 1A
Collector Cutoff Current (ICBO, Max)	100 nA
Operating Temperature (Max)	150°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-243AA
Supplier Device Package	MPT3
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitutes for 2SD2391T100Q have been identified strictly by matching parameters in the following categories:

Transistor Type (NPN)
Collector-Emitter Voltage (≤ 60 V, unless higher voltage is present)
Collector Current (≥ 2 A or closest available)
Power Dissipation (comparable or higher)
DC Current Gain (hFE, Min) at comparable test conditions
Transition Frequency (comparable)
Vce Saturation (comparable)
Collector Cutoff Current (ICBO, Max)
Package Type (Surface Mount, TO-243AA or compatible/functional equivalents)
Compliance: RoHS3 Compliant, REACH Unaffected, MSL 1

Parameter Comparison

Manufacturer Part Number	Manufacturer	Transistor Type	V_CEO (Max)	I_C (Max)	P_Max	DC Gain (hFE, Min)	f_T	V_CE(sat) (Max)	I_CBO (Max)	Operating Temp (Max)	Mounting Type	Package / Case	Supplier Device Package	RoHS Status	MSL	REACH Status
2SD2391T100Q	Rohm Semiconductor	NPN	60 V	2 A	2 W	120 @ 500mA, 2V	210 MHz	350mV @ 50mA, 1A	100 nA	150°C (TJ)	Surface Mount	TO-243AA	MPT3	ROHS3 Compliant	1	REACH Unaffected
PZT651T1G	onsemi	NPN	60 V	2 A	800 mW	75 @ 1A, 2V	75 MHz	500mV @ 200mA, 2A	100 nA	150°C (TJ)	Surface Mount	TO-261-4, TO-261AA	SOT-223 (TO-261)	ROHS3 Compliant	1	REACH Unaffected
2SC5994-TD-E	onsemi	NPN	50 V	2 A	1.3 W	200 @ 100mA, 2V	420 MHz	300mV @ 50mA, 1A	1 µA	150°C (TJ)	Surface Mount	TO-243AA	PCP	ROHS3 Compliant	1	REACH Unaffected
2SD1623S-TD-E	onsemi	NPN	50 V	2 A	500 mW	100 @ 100mA, 2V	150 MHz	400mV @ 50mA, 1A	100 nA	150°C (TJ)	Surface Mount	TO-243AA	PCP	ROHS3 Compliant	1	REACH Unaffected
2SD1623T-TD-E	onsemi	NPN	50 V	2 A	500 mW	100 @ 100mA, 2V	150 MHz	400mV @ 50mA, 1A	100 nA	150°C (TJ)	Surface Mount	TO-243AA	PCP	ROHS3 Compliant	1	REACH Unaffected
BCX56-16-AU_R1_000A1	Panjit International Inc.	NPN	100 V	1 A	1.4 W	100 @ 150mA, 2V	100 MHz	500mV @ 100mA, 1A	100 nA	150°C (TJ)	Surface Mount	TO-243AA	SOT-89	ROHS3 Compliant	1	REACH Unaffected
DXT651-13	Diodes Incorporated	NPN	60 V	3 A	1 W	100 @ 500mA, 2V	200 MHz	600mV @ 300mA, 3A	100 nA	150°C (TJ)	Surface Mount	TO-243AA	SOT-89-3	ROHS3 Compliant	1	REACH Unaffected
PBSS304NX,115	Nexperia USA Inc.	NPN	60 V	4.7 A	2.1 W	250 @ 2A, 2V	130 MHz	245mV @ 235mA, 4.7A	100 nA	150°C (TJ)	Surface Mount	TO-243AA	SOT-89	ROHS3 Compliant	1	REACH Unaffected
PBSS4250X,135	Nexperia USA Inc.	NPN	50 V	2 A	1 W	300 @ 1A, 2V	100 MHz	320mV @ 200mA, 2A	100 nA	150°C (TJ)	Surface Mount	TO-243AA	SOT-89	ROHS3 Compliant	1	REACH Unaffected

Engineering Selection Recommendations

All substitute parts listed are active and compliant with RoHS3 and REACH regulations, with Moisture Sensitivity Level (MSL) 1 (Unlimited). These parts are suitable for engineering selection in designs requiring environmental and reliability compliance, where the original part status "Not For New Designs" mandates an alternative. Each listed alternative is confirmed as New Original In Stock in surface-mount packaging for compatible assembly processes.

Frequently Asked Questions (FAQ)

Q1: What determines an appropriate substitute for the 2SD2391T100Q?
A: Appropriate substitutes are selected by matching transistor type, maximum collector-emitter voltage, collector current, power dissipation, DC current gain (hFE), transition frequency, package type, regulatory compliance, and mounting method.

Q2: Should I consider package equivalence during substitution?
A: Yes, all listed substitutes utilize surface-mount technology and fall under TO-243AA or compatible industry standard packages such as SOT-223, SOT-89, SOT-89-3, or PCP. Review device package when matching footprint to existing boards.

Q3: Are substitutes RoHS and REACH compliant?
A: All substitute parts presented are RoHS3 compliant, REACH Unaffected, and MSL 1 (Unlimited).

Q4: Why is an alternative required for the 2SD2391T100Q?
A: The 2SD2391T100Q is designated "Not For New Designs," necessitating the use of currently active, compliant substitute parts to ensure ongoing manufacturing support.

Q5: How does DC current gain (hFE), frequency, and Vce(sat) affect substitution?
A: These parameters are critical for functional compatibility and are summarized for each part, allowing precise selection in applications with specific amplification or switching requirements. Select according to the application's gain, speed, and voltage drop constraints.

Q6: Can I use a part with a higher rated collector-emitter voltage or collector current?
A: Listing includes parts where maximum voltages or currents equal or exceed the baseline requirements, ensuring electrical compatibility within the substitution constraints provided.

Q7: What are typical mounting and assembly considerations?
A: All substitutes are designed for surface-mount assembly, suitable for automated reflow soldering and compatible with moisture sensitivity requirements (MSL 1).

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