2SC4116-BL-TP Equivalent & Substitute Parts

Part Overview

The 2SC4116-BL-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 transition frequency of 80 MHz. The device is classified as obsolete, necessitating identification of equivalent and substitute parts for ongoing design requirements and production continuity. Active alternatives with comparable electrical characteristics are available from manufacturers including Toshiba Semiconductor and Storage and Rohm Semiconductor.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Collector Current (Max)	150	mA
Collector-Emitter Breakdown Voltage (Max)	60	V
Power Dissipation (Max)	100	mW
Transition Frequency	80	MHz
Operating Temperature (Max)	150	°C
Mounting Type	Surface Mount	—
Package	SOT-323 / SC-70	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

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

Primary Substitution Criteria:

Transistor type: NPN configuration
Collector current rating: 150 mA minimum
Collector-emitter breakdown voltage: 60 V minimum (or lower voltage rating acceptable for reduced voltage applications)
Power dissipation: 100 mW minimum
Transition frequency: 80 MHz minimum
Mounting type: Surface mount
Package compatibility: SOT-323 or SC-70 equivalent footprint
RoHS3 compliance and MSL 1 rating

Substitution Logic: Parts are classified as direct or similar substitutes based on adherence to these parameters. Direct substitutes maintain all electrical specifications within the same tolerance bands. Similar substitutes may exhibit variations in specific parameters such as DC current gain (hFE), saturation voltage, or transition frequency, provided they remain functionally compatible within the application's design margins.

Parameter Comparison

Parameter	2SC4116-BL-TP (Main)	2SC4116-BL,LF (Direct)	2SC4116-Y,LF (Similar)	2SD2351T106V (Similar)
Manufacturer	Micro Commercial Co	Toshiba Semiconductor	Toshiba Semiconductor	Rohm Semiconductor
Product Status	Obsolete	Active	Active	Active
Transistor Type	NPN	NPN	NPN	NPN
Ic (Max)	150 mA	150 mA	150 mA	150 mA
Vce Breakdown (Max)	60 V	50 V	50 V	50 V
Power (Max)	100 mW	100 mW	100 mW	200 mW
Frequency - Transition	80 MHz	80 MHz	80 MHz	250 MHz
Operating Temperature (Max)	150°C	125°C	125°C	150°C
Package / Case	SOT-323	SC-70	SC-70	UMT3
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

2SC4116-BL,LF (Direct Substitute - Toshiba Semiconductor)

This part is classified as a direct substitute for the 2SC4116-BL-TP. Both devices share the same base product number (2SC4116) and maintain identical collector current and power dissipation ratings. The 2SC4116-BL,LF operates at a reduced maximum collector-emitter breakdown voltage of 50 V compared to the 60 V rating of the main part. This voltage reduction is acceptable for applications operating below 50 V. The part is currently in active production status with substantial inventory availability (24,300 units). Full ROHS3 compliance and MSL 1 rating are maintained. Packaging is supplied as Tape & Reel (TR) in SC-70 configuration, which is footprint-compatible with the SOT-323 package.

2SC4116-Y,LF (Similar Substitute - Toshiba Semiconductor)

This part shares the same base product number and maintains electrical compatibility with the main device across collector current, power dissipation, and transition frequency. The DC current gain (hFE) is specified at 120 @ 2mA, 6V, which is lower than the 350 @ 1mA, 6V rating of the main part. The maximum collector-emitter breakdown voltage is 50 V. This part is in active production with 2,000 units in inventory. ROHS3 compliance and MSL 1 rating are confirmed. Selection of this part requires verification that the reduced DC current gain does not impact circuit biasing or gain requirements.

2SD2351T106V (Similar Substitute - Rohm Semiconductor)

This part is functionally compatible as an NPN transistor with 150 mA collector current and 50 V breakdown voltage. The 2SD2351T106V offers enhanced performance characteristics including a transition frequency of 250 MHz (compared to 80 MHz) and maximum power dissipation of 200 mW (compared to 100 mW). The DC current gain is significantly higher at 820 @ 1mA, 5V. The device maintains ROHS3 compliance and MSL 1 rating with an operating temperature maximum of 150°C. The package is UMT3, which requires PCB footprint verification for compatibility. This part is in active production with 4,096 units available. Selection is appropriate for applications requiring higher frequency performance or increased power handling capability.

Frequently Asked Questions (FAQ)

Q: Can the 2SC4116-BL,LF directly replace the 2SC4116-BL-TP without circuit modification?

A: The 2SC4116-BL,LF is footprint-compatible and electrically compatible for applications operating at collector-emitter voltages of 50 V or below. The reduced voltage rating (50 V vs. 60 V) does not affect functionality in circuits designed for lower voltage operation. No circuit modification is required for voltage-compliant applications.

Q: What is the primary difference between the 2SC4116-BL,LF and 2SC4116-Y,LF?

A: Both parts are Toshiba products with identical collector current and power ratings. The primary difference is the DC current gain (hFE) specification: 2SC4116-BL,LF is rated at 350 @ 2mA, 6V, while 2SC4116-Y,LF is rated at 120 @ 2mA, 6V. Applications sensitive to transistor gain or requiring specific biasing conditions must account for this difference.

Q: Is the 2SD2351T106V suitable for all applications requiring the 2SC4116-BL-TP?

A: The 2SD2351T106V is electrically compatible for NPN switching and amplification applications with 150 mA collector current and 50 V breakdown voltage. The enhanced transition frequency (250 MHz) and power rating (200 mW) make it suitable for higher-frequency applications. Package compatibility (UMT3 vs. SOT-323) must be verified against PCB layout requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The 2SC4116-BL,LF, 2SC4116-Y,LF, and 2SD2351T106V are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the compliance profile of the main part.

Q: What is the impact of the reduced operating temperature maximum on the Toshiba substitutes?

A: The 2SC4116-BL,LF and 2SC4116-Y,LF are rated to 125°C maximum junction temperature, compared to 150°C for the main part and 2SD2351T106V. Applications operating near or above 125°C require thermal analysis to confirm compatibility. The 2SD2351T106V maintains the 150°C rating.

Q: Can the 2SD2351T106V be used in space-constrained PCB layouts designed for SOT-323?

A: The 2SD2351T106V uses the UMT3 package, which has different physical dimensions than SOT-323. PCB footprint compatibility must be verified before selection. The Toshiba substitutes (2SC4116-BL,LF and 2SC4116-Y,LF) use SC-70 packaging, which is footprint-compatible with SOT-323.

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