2SC4116-Y-TP Equivalent & Substitute Parts

Part Overview

The 2SC4116-Y-TP is an NPN bipolar junction transistor manufactured by Micro Commercial Co, designed for surface mount applications in the SOT-323 package. This component operates at a maximum collector voltage of 60 V with a collector current rating of 150 mA and a maximum power dissipation of 100 mW. The device is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing production and maintenance applications. Active alternatives with comparable or enhanced electrical characteristics are available from multiple manufacturers.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	60	V
Current - Collector (Ic) (Max)	150	mA
Power - Max	100	mW
Frequency - Transition	80	MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	120 @ 1mA, 6V	—
Vce Saturation (Max) @ Ib, Ic	250mV @ 5mA, 50mA	—
Current - Collector Cutoff (Max)	100	nA
Operating Temperature (Max)	150	°C
Mounting Type	Surface Mount	—
Package / Case	SC-70, SOT-323	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the 2SC4116-Y-TP is determined by the following critical electrical and mechanical parameters:

Mandatory Compatibility Parameters:

Transistor Type: NPN
Collector Current (Ic) (Max): 150 mA minimum
Mounting Type: Surface Mount
Package / Case: SC-70 or SOT-323 compatible
Moisture Sensitivity Level: 1 (Unlimited)

Voltage Consideration: The 2SC4116-Y-TP operates at a maximum collector-emitter breakdown voltage of 60 V. Substitute parts with 50 V maximum ratings operate within a reduced voltage envelope and are suitable for applications where the circuit design does not exceed 50 V. Parts with 60 V or higher ratings provide direct voltage compatibility.

Power Dissipation: The 2SC4116-Y-TP is rated at 100 mW maximum power dissipation. Substitute parts rated at 100 mW or higher are electrically compatible. Parts with 200 mW ratings provide additional thermal margin.

Frequency and Gain: The transition frequency of 80 MHz and minimum DC current gain of 120 @ 1mA, 6V establish baseline performance. Substitute parts meeting or exceeding these specifications maintain functional equivalence.

Product Status: The 2SC4116-Y-TP is obsolete. Active substitute parts ensure continued component availability and supply chain reliability.

Parameter Comparison

Parameter	2SC4116-Y-TP (Main)	2SC4116-Y,LF	2PC4081Q,115	2PC4081R,135	2SC4081T106S
Manufacturer	Micro Commercial Co	Toshiba Semiconductor and Storage	Nexperia USA Inc.	Nexperia USA Inc.	Rohm Semiconductor
Product Status	Obsolete	Active	Active	Active	Not For New Designs
Transistor Type	NPN	NPN	NPN	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	60 V	50 V	50 V	50 V	50 V
Current - Collector (Ic) (Max)	150 mA	150 mA	150 mA	150 mA	150 mA
Power - Max	100 mW	100 mW	200 mW	200 mW	200 mW
Frequency - Transition	80 MHz	80 MHz	100 MHz	100 MHz	180 MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	120 @ 1mA, 6V	120 @ 2mA, 6V	120 @ 1mA, 6V	180 @ 1mA, 6V	120 @ 1mA, 6V
Vce Saturation (Max) @ Ib, Ic	250mV @ 5mA, 50mA	250mV @ 10mA, 100mA	400mV @ 5mA, 50mA	400mV @ 5mA, 50mA	400mV @ 5mA, 50mA
Current - Collector Cutoff (Max)	100 nA	100 nA	100 nA	100 nA	100 nA
Operating Temperature (Max)	150°C	125°C	150°C	150°C	150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	SC-70, SOT-323	SC-70, SOT-323	SC-70, SOT-323	SC-70, SOT-323	SC-70, SOT-323
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)
Automotive Grade / AEC-Q101	—	—	Yes	Yes	—

Engineering Selection Recommendations

2SC4116-Y,LF (Toshiba Semiconductor and Storage)

This part is a direct manufacturer equivalent with active product status. It maintains the same base product number (2SC4116) and identical collector current and power ratings. The 50 V maximum collector-emitter breakdown voltage is suitable for applications designed within this voltage envelope. The operating temperature maximum of 125°C is lower than the original 150°C specification. This part is ROHS3 compliant with unlimited moisture sensitivity rating and is recommended for applications where the 60 V rating of the original part is not required.

2PC4081Q,115 (Nexperia USA Inc.)

This part provides enhanced electrical performance with 100 MHz transition frequency (versus 80 MHz) and 200 mW power dissipation (versus 100 mW). It carries AEC-Q101 automotive qualification and active product status. The 50 V maximum collector-emitter breakdown voltage operates within a reduced voltage envelope. The higher saturation voltage (400 mV versus 250 mV) must be evaluated for circuit compatibility. This part is suitable for automotive applications and designs where increased power dissipation margin is beneficial.

2PC4081R,135 (Nexperia USA Inc.)

This part is electrically identical to 2PC4081Q,115 with the exception of a higher minimum DC current gain of 180 @ 1mA, 6V (versus 120). It carries AEC-Q101 automotive qualification and active product status. The 50 V maximum collector-emitter breakdown voltage and 200 mW power rating apply. This part is suitable for automotive applications requiring higher current gain characteristics.

2SC4081T106S (Rohm Semiconductor)

This part offers the highest transition frequency at 180 MHz with 200 mW power dissipation. It is classified as "Not For New Designs," indicating limited future availability. The 50 V maximum collector-emitter breakdown voltage and higher saturation voltage (400 mV) apply. This part is suitable only for maintenance and repair of existing designs where the specific performance characteristics are required.

Frequently Asked Questions (FAQ)

Q: Can the 2SC4116-Y-TP be directly replaced with a 50 V rated substitute?

A: Yes, provided the circuit design does not require operation above 50 V collector-emitter voltage. The 2SC4116-Y-TP is rated at 60 V maximum, while all listed substitutes are rated at 50 V maximum. Circuit analysis must confirm that the 50 V rating is sufficient for the application.

Q: What is the difference between the Nexperia 2PC4081Q,115 and 2PC4081R,135 parts?

A: Both parts are electrically identical with the exception of DC current gain. The 2PC4081Q,115 has a minimum gain of 120 @ 1mA, 6V, while the 2PC4081R,135 has a minimum gain of 180 @ 1mA, 6V. Selection depends on circuit requirements for current gain characteristics.

Q: Why does the 2SC4116-Y,LF have a lower operating temperature maximum than the original part?

A: The 2SC4116-Y,LF is rated at 125°C maximum junction temperature, while the 2SC4116-Y-TP is rated at 150°C. This difference reflects the thermal design of the specific device. Circuit thermal analysis must confirm that the 125°C rating is acceptable for the application environment.

Q: Are the Nexperia parts suitable for automotive applications?

A: Yes. The 2PC4081Q,115 and 2PC4081R,135 carry AEC-Q101 automotive qualification, making them suitable for automotive-grade applications. The other substitutes do not carry automotive qualification.

Q: What is the significance of the higher saturation voltage in the Nexperia and Rohm parts?

A: The 2SC4116-Y-TP has a maximum saturation voltage of 250 mV @ 5mA, 50mA, while the Nexperia and Rohm substitutes are rated at 400 mV @ 5mA, 50mA. Higher saturation voltage results in greater voltage drop across the transistor in saturation mode. Circuit designs relying on low saturation voltage must evaluate this parameter for compatibility.

Q: Can the 2SC4081T106S be used in new designs?

A: No. The 2SC4081T106S is classified as "Not For New Designs" by Rohm Semiconductor. This part is suitable only for maintenance and repair of existing designs. New designs should use active parts such as 2SC4116-Y,LF or the Nexperia 2PC4081 series.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and carry unlimited moisture sensitivity rating (MSL 1), matching the compliance profile of the original 2SC4116-Y-TP.

Q: What is the package compatibility between these parts?

A: All parts use SC-70 or SOT-323 package designations, which are mechanically and electrically compatible for surface mount applications. PCB footprints designed for SOT-323 accommodate all listed parts.

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