Equivalent & Substitute Parts for 2SC2411KT146R

Part Overview

2SC2411KT146R is a surface-mount NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. It is supplied by Rohm Semiconductor and features a maximum collector current of 500 mA, collector-emitter voltage up to 32 V, and a transition frequency of 250MHz. The product is currently active and RoHS3 compliant, manufactured in a TO-236-3, SC-59, SOT-23-3 (SMT3) package.

Identifying alternative or parametric equivalent models is valuable for inventory risk mitigation, sourcing flexibility, and maintaining production lines, especially when balancing multiple supply sources, lead times, or manufacturer preferences.

Key Parameters

Parameter	2SC2411KT146R (Main Part)
Manufacturer	Rohm Semiconductor
Category	Transistors, Bipolar (BJT)
Transistor Type	NPN
Voltage - Collector Emitter Breakdown (Max)	32 V
Current - Collector (Ic) (Max)	500 mA
Vce Saturation (Max) @ Ib, Ic	600mV @ 50mA, 500mA
Current - Collector Cutoff (Max)	1µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	120 @ 100mA, 3V
Power - Max	200 mW
Frequency - Transition	250MHz
Operating Temperature	150°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3
Supplier Device Package	SMT3
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts for 2SC2411KT146R are identified strictly by matching the following key parameters: transistor type (NPN), maximum collector current, maximum collector-emitter breakdown voltage, Vce saturation voltage, DC current gain, maximum power, transition frequency, mounting type, and package/case. Product status and RoHS/REACH compliance are also matched where provided.

The substitute list includes parametric equivalents (same specification, different manufacturer/batch or packaging), as well as parts with close or higher ratings on collector current, voltage, frequency, or power dissipation and identical or compatible surface-mount packages.

Parameter Comparison

Parameter	2SC2411KT146R	2SD1781KT146Q	2SC2411KT146Q	2SC2411K_R1_00001	MMBT2222A RFG
Manufacturer	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor	Panjit International Inc.	Taiwan Semiconductor Corporation
Category	Bipolar (BJT)	Bipolar (BJT)	Bipolar (BJT)	Bipolar (BJT)	Bipolar (BJT)
Transistor Type	NPN	NPN	NPN	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	32 V	32 V	32 V	32 V	40 V
Current - Collector (Ic) (Max)	500 mA	800 mA	500 mA	500 mA	600 mA
Vce Saturation (Max) @ Ib, Ic	600mV @ 50mA, 500mA	400mV @ 50mA, 500mA	600mV @ 50mA, 500mA	600mV @ 50mA, 500mA	1V @ 50mA, 500mA
Current - Collector Cutoff (Max) (ICBO)	1µA	500nA	1µA	1µA	10nA
DC Current Gain (hFE) (Min)	120 @ 100mA, 3V	120 @ 100mA, 3V	120 @ 100mA, 3V	120 @ 100mA, 3V	100 @ 150mA, 10V
Power - Max	200 mW	200 mW	200 mW	225 mW	300 mW
Frequency - Transition	250MHz	150MHz	250MHz	250MHz	300MHz
Operating Temperature (TJ)	150°C	150°C	150°C	-55°C ~ 150°C	-55°C ~ 150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
Supplier Device Package	SMT3	SMT3	SMT3	SOT-23	SOT-23
Product Status	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All listed substitute parts are active and meet the RoHS3 and REACH requirements. Each substitute shares the same surface-mount package family and an equivalent or higher Moisture Sensitivity Level rating. Only parts with provided compliance information have been listed. No product status conflicts are present.

Frequently Asked Questions (FAQ)

Q1: What determines if a substitute BJT transistor is suitable for replacing 2SC2411KT146R?
A1: Suitability is determined by matching transistor type, maximum collector current, collector-emitter voltage, Vce saturation voltage, DC current gain, maximum power, transition frequency, mounting type, and package. Product status and RoHS/REACH compliance are also considered.

Q2: Do the substitute parts meet the same environmental and compliance requirements?
A2: Yes. All substitutes are RoHS3 compliant, have a Moisture Sensitivity Level (MSL) of 1 (Unlimited), and are REACH unaffected.

Q3: Are the SOT-23, SMT3, TO-236-3, and SC-59 packages mechanically interchangeable?
A3: All substitute parts and the main part are available in TO-236-3, SC-59, or SOT-23-3 style packages as specified. Package compatibility is confirmed by the identical package/case and mounting type parameters provided.

Q4: Is there any difference in electrical performance among the substitute parts?
A4: Substitute parts may have differences in collector current, voltage ratings, frequency, or maximum power as listed in the parameter comparison table. Selection among substitutes should be aligned with the electrical requirements specified.

Q5: Are all substitute parts currently active in production?
A5: All substitutes listed have a product status of “Active” as provided.

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