Equivalent & Substitute Parts for 2SC3052-F-TP

Part Overview

The 2SC3052-F-TP is an NPN bipolar junction transistor manufactured by Micro Commercial Co, housed in a SOT-23 surface mount package. This small-signal transistor is rated for 50 V collector-emitter breakdown voltage, 200 mA maximum collector current, and 150 mW power dissipation with a transition frequency of 180 MHz. The device is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. Substitute parts must maintain electrical compatibility across voltage, current, power, and frequency parameters while accommodating the SOT-23 package form factor.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	-
Voltage - Collector Emitter Breakdown (Max)	50	V
Current - Collector (Ic) (Max)	200	mA
Power - Max	150	mW
Frequency - Transition	180	MHz
Package / Case	TO-236-3, SC-59, SOT-23-3	-
Mounting Type	Surface Mount	-
Operating Temperature	-55 to 125	°C

Substitute Part Grouping Explanation

Substitution of the 2SC3052-F-TP is determined by strict adherence to the following electrical and mechanical parameters:

Mandatory Compatibility Criteria:

Transistor type must be NPN
Voltage rating (Vce breakdown) must be greater than or equal to 50 V
Maximum collector current (Ic) must be greater than or equal to 200 mA
Maximum power dissipation must be greater than or equal to 150 mW
Package must be SOT-23 or equivalent (TO-236-3, SC-59, SOT-23-3)
Surface mount mounting type required

Secondary Compatibility Considerations:

Transition frequency should support the intended application frequency range
Saturation voltage characteristics should be compatible with circuit design
DC current gain (hFE) should be within acceptable operating ranges for the application

Substitute parts are grouped based on their ability to meet or exceed these parameters while maintaining the same package footprint and mounting technology.

Parameter Comparison

Parameter	2SC3052-F-TP	2PD601BSL,215	2SD2226KT146W	MMBT6429LT1G	MMST8098T146	TBC847B,LM	TMBT3904,LM
Manufacturer	Micro Commercial Co	NXP Semiconductors	Rohm Semiconductor	onsemi	Rohm Semiconductor	Toshiba Semiconductor	Toshiba Semiconductor
Transistor Type	NPN	NPN	NPN	NPN	NPN	NPN	NPN
Vce Breakdown (Max) [V]	50	50	50	45	60	50	50
Ic (Max) [mA]	200	200	150	200	200	150	150
Power (Max) [mW]	150	250	200	225	350	320	320
Frequency - Transition [MHz]	180	250	250	700	350	100	300
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	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature (Max) [°C]	125	150	150	150	-	150	150
Product Status	Obsolete	Active	Active	Active	Not For New Designs	Active	Active
RoHS Status	ROHS3 Compliant	-	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

The following parts are recommended as primary substitutes based on active product status and full compliance with mandatory electrical parameters:

2PD601BSL,215 (NXP Semiconductors): Meets all mandatory electrical requirements with 50 V breakdown voltage and 200 mA collector current. Exceeds power rating at 250 mW. Includes AEC-Q101 automotive qualification and REACH compliance. Transition frequency of 250 MHz exceeds the original specification.

MMBT6429LT1G (onsemi): Meets all mandatory electrical requirements with 200 mA collector current and 225 mW power rating. Vce breakdown of 45 V is below the 50 V specification and requires circuit verification for voltage margin applications. Transition frequency of 700 MHz significantly exceeds the original specification. Extended operating temperature range to 150°C provides improved thermal performance.

TMBT3904,LM (Toshiba Semiconductor): Meets mandatory electrical requirements with 50 V breakdown voltage and 150 mA collector current. Power rating of 320 mW exceeds specification. Transition frequency of 300 MHz exceeds the original specification. Active product status with full RoHS3 compliance.

Secondary Substitutes (Limited Applicability):

2SD2226KT146W (Rohm Semiconductor): Collector current rating of 150 mA is below the 200 mA requirement of the original part. Suitable only for applications with reduced current demands. Meets voltage and power requirements. Active product status.

TBC847B,LM (Toshiba Semiconductor): Collector current rating of 150 mA is below the 200 mA requirement. Transition frequency of 100 MHz is below the original specification. Suitable for lower-frequency applications with reduced current demands. Active product status.

Not Recommended:

MMST8098T146 (Rohm Semiconductor): Product status is "Not For New Designs," making it unsuitable for new applications despite meeting electrical parameters.

Frequently Asked Questions (FAQ)

Q: Can the 2SC3052-F-TP be directly replaced with any of the listed substitutes?

A: Direct replacement depends on application-specific requirements. All listed substitutes maintain the SOT-23 package footprint and surface mount compatibility. However, electrical parameter differences, particularly collector current ratings and transition frequency, must be verified against circuit design specifications. The 2PD601BSL,215, MMBT6429LT1G, and TMBT3904,LM are the most compatible options for applications requiring the full 200 mA collector current specification.

Q: Why is the MMBT6429LT1G listed as a substitute if its Vce breakdown is only 45 V compared to the original 50 V?

A: The MMBT6429LT1G meets the mandatory substitution criteria of being an NPN transistor in a SOT-23 package with 200 mA collector current capability. However, the 45 V breakdown voltage is below the original 50 V specification. This part is suitable for applications where the actual operating voltage is below 45 V. Circuit designers must verify that the reduced voltage margin does not compromise system reliability.

Q: What is the significance of product status in selecting a substitute?

A: Product status indicates the manufacturer's commitment to ongoing supply and support. Active status parts are recommended for new designs and ongoing production. The MMST8098T146 is marked "Not For New Designs," indicating the manufacturer may discontinue production. For long-term supply assurance, select from parts with Active status: 2PD601BSL,215, 2SD2226KT146W, MMBT6429LT1G, TBC847B,LM, and TMBT3904,LM.

Q: Are there differences in saturation voltage characteristics between the original part and substitutes?

A: Yes. The original 2SC3052-F-TP specifies Vce saturation of 300 mV at 10 mA base current and 100 mA collector current. Substitutes show variation: 2PD601BSL,215 at 250 mV, 2SD2226KT146W at 300 mV, MMBT6429LT1G at 600 mV, MMST8098T146 at 300 mV, TBC847B,LM at 400 mV, and TMBT3904,LM at 300 mV. Applications sensitive to saturation voltage performance must account for these differences in circuit design.

Q: Which substitute offers the best thermal performance?

A: MMST8098T146 provides the highest power dissipation rating at 350 mW, followed by TBC847B,LM and TMBT3904,LM at 320 mW each. However, MMST8098T146 is marked "Not For New Designs." Among active products, TBC847B,LM and TMBT3904,LM offer superior thermal headroom compared to the original 150 mW specification.

Q: Can substitutes be used interchangeably in existing designs?

A: Interchangeability requires verification of three factors: (1) electrical parameter compatibility with circuit design specifications, (2) package footprint compatibility with PCB layout, and (3) thermal performance adequacy for the application. All listed substitutes share the SOT-23 package footprint. However, differences in transition frequency, saturation voltage, and DC current gain may require circuit simulation or testing to confirm functional equivalence.

Q: What compliance certifications should be considered when selecting a substitute?

A: All listed substitutes are RoHS3 compliant. The 2PD601BSL,215 includes AEC-Q101 automotive qualification, making it suitable for automotive applications. REACH compliance is documented for 2PD601BSL,215, 2SD2226KT146W, MMBT6429LT1G, MMST8098T146, TBC847B,LM, and TMBT3904,LM. For applications requiring specific regulatory compliance, verify that the selected substitute meets all applicable standards.

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