2SC4116-BL,LF Equivalent & Substitute Parts

Part Overview

The 2SC4116-BL,LF is an NPN bipolar junction transistor manufactured by Toshiba Semiconductor and Storage, designed for surface mount applications in the SC-70 package. This transistor operates at a maximum collector current of 150 mA with a 50 V collector-emitter breakdown voltage and delivers 100 mW maximum power dissipation. The device is classified as Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified based on matching or exceeding the electrical and mechanical specifications of the 2SC4116-BL,LF. Substitutes are necessary when the primary part is unavailable, when alternative packaging formats are required, or when enhanced performance characteristics are beneficial for specific circuit applications.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Current - Collector (Ic) Max	150	mA
Voltage - Collector Emitter Breakdown (Max)	50	V
Vce Saturation (Max)	250	mV @ 10mA, 100mA
Current - Collector Cutoff (Max)	100	nA
DC Current Gain (hFE) Min	350	@ 2mA, 6V
Power - Max	100	mW
Frequency - Transition	80	MHz
Operating Temperature (TJ)	125	°C
Package / Case	SC-70, SOT-323	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the 2SC4116-BL,LF are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalent: Parts that match all critical electrical specifications and package format, allowing direct replacement without circuit modification.

Similar Parts: Parts that share the same transistor type (NPN), package family (SC-70/SOT-323), and surface mount mounting type, but may differ in one or more electrical parameters such as maximum collector current, power dissipation, transition frequency, or DC current gain. Similar parts are suitable for applications where the enhanced or alternative specifications do not conflict with circuit requirements.

Key Parameters for Substitution Eligibility:

Transistor Type: NPN (mandatory match)
Package / Case: SC-70 or SOT-323 (mandatory match)
Mounting Type: Surface Mount (mandatory match)
Voltage - Collector Emitter Breakdown: Must equal or exceed 50 V
Current - Collector (Ic) Max: Must equal or exceed 150 mA
Power - Max: Must equal or exceed 100 mW
RoHS Status: ROHS3 Compliant (mandatory match)

Parameter Comparison

Part Number	Manufacturer	Ic Max (mA)	Vce Breakdown (V)	Power Max (mW)	Frequency (MHz)	hFE Min	Package	Product Status
2SC4116-BL,LF	Toshiba	150	50	100	80	350	SC-70	Active
2SC4116-BL,LXHF	Toshiba	150	50	100	80	350	SC-70	Active
2PD1820AR,115	Nexperia USA Inc.	500	50	200	150	120	SOT-323	Active
2PD1820AS,115	NXP USA Inc.	500	50	200	150	170	SOT-323	Active
2SC4081T106Q	Rohm Semiconductor	150	50	200	180	120	UMT3	Not For New Designs
2SC4081T106R	Rohm Semiconductor	150	50	200	180	180	UMT3	Not For New Designs
2SC4081T106S	Rohm Semiconductor	150	50	200	180	120	UMT3	Not For New Designs
2SD2351T106V	Rohm Semiconductor	150	50	200	250	820	UMT3	Active
BC847AW RFG	Taiwan Semiconductor Corporation	100	45	200	100	110	SOT-323	Active
BC847BW RFG	Taiwan Semiconductor Corporation	100	45	200	100	200	SOT-323	Active
BC847CW RFG	Taiwan Semiconductor Corporation	100	45	200	100	420	SOT-323	Active

Engineering Selection Recommendations

Parametric Equivalent (Direct Replacement):

The 2SC4116-BL,LXHF is a parametric equivalent to the 2SC4116-BL,LF. Both parts are manufactured by Toshiba Semiconductor and Storage, share identical electrical specifications, and are packaged in SC-70. Both are Active product status and RoHS3 compliant. This part provides direct substitution capability.

Similar Parts - Active Product Status:

The 2PD1820AR,115 and 2PD1820AS,115 (Nexperia/NXP) and 2SD2351T106V (Rohm) are Active product status alternatives. These parts exceed the collector current (500 mA and 150 mA respectively) and power dissipation (200 mW) specifications of the 2SC4116-BL,LF. The 2PD1820 series provides enhanced current handling capability with automotive-grade qualification (AEC-Q101). The 2SD2351T106V offers significantly higher transition frequency (250 MHz) and DC current gain (820 @ 1mA, 5V), suitable for high-frequency applications.

Similar Parts - Not For New Designs:

The 2SC4081T106Q, 2SC4081T106R, and 2SC4081T106S (Rohm Semiconductor) are classified as Not For New Designs. While these parts match the collector current and voltage specifications, their obsolescence status restricts their use to legacy system maintenance or existing design support only. These parts feature higher transition frequency (180 MHz) and increased power dissipation (200 mW) compared to the 2SC4116-BL,LF.

Similar Parts - Reduced Specifications:

The BC847AW RFG, BC847BW RFG, and BC847CW RFG (Taiwan Semiconductor Corporation) are Active alternatives with reduced maximum collector current (100 mA) and collector-emitter breakdown voltage (45 V). These parts are suitable only for applications where the 2SC4116-BL,LF specifications exceed circuit requirements. The BC847 series offers extended operating temperature range (-55°C to 150°C) and multiple hFE grades (110, 200, and 420 respectively).

Frequently Asked Questions (FAQ)

Q: Can the 2SC4116-BL,LXHF be used as a direct replacement for the 2SC4116-BL,LF?

A: Yes. The 2SC4116-BL,LXHF is a parametric equivalent with identical electrical specifications, package format (SC-70), and product status (Active). No circuit modification is required.

Q: Are the 2PD1820AR,115 and 2PD1820AS,115 suitable substitutes for the 2SC4116-BL,LF?

A: These parts are suitable substitutes for applications where higher collector current (500 mA) and power dissipation (200 mW) are acceptable. Both parts meet the 50 V breakdown voltage requirement and are RoHS3 compliant. The 2PD1820 series includes automotive-grade qualification (AEC-Q101). Circuit verification is necessary to confirm compatibility with the specific application.

Q: What is the difference between the 2SC4081T106Q, 2SC4081T106R, and 2SC4081T106S?

A: These three Rohm parts share identical electrical specifications except for DC current gain (hFE). The 2SC4081T106Q and 2SC4081T106S specify hFE minimum of 120 @ 1mA, 6V, while the 2SC4081T106R specifies hFE minimum of 180 @ 1mA, 6V. All three are classified as Not For New Designs and should be used only for legacy system support.

Q: Why do the BC847 series parts have lower maximum collector current than the 2SC4116-BL,LF?

A: The BC847 series (BC847AW, BC847BW, BC847CW) are designed for lower current applications with a maximum collector current of 100 mA compared to the 2SC4116-BL,LF specification of 150 mA. These parts are suitable only for circuits where the required collector current does not exceed 100 mA.

Q: Is the 2SD2351T106V compatible with the 2SC4116-BL,LF?

A: The 2SD2351T106V is compatible from an electrical standpoint, matching the 50 V breakdown voltage and 150 mA collector current specifications. This part offers enhanced performance with 250 MHz transition frequency and 820 hFE minimum gain. The 2SD2351T106V is Active product status and RoHS3 compliant. Circuit verification is recommended to confirm suitability for the specific application.

Q: What packaging formats are available for substitutes?

A: The 2SC4116-BL,LF is supplied in SC-70 package. Equivalent and similar parts are available in SC-70, SOT-323, and UMT3 packages. All packages are surface mount formats compatible with automated assembly processes. Verify PCB layout compatibility before selecting a substitute with a different package designation.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are RoHS3 compliant. Moisture sensitivity level (MSL 1 - Unlimited) is consistent across all parts, indicating no special moisture control requirements during storage or handling.

Q: Which substitute part offers the highest transition frequency?

A: The 2SD2351T106V offers the highest transition frequency at 250 MHz, compared to the 2SC4116-BL,LF specification of 80 MHz. This part is suitable for high-frequency switching applications requiring enhanced bandwidth performance.

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