2SC1623-L6-TP-HF Equivalent & Substitute Parts

Part Overview

The 2SC1623-L6-TP-HF is an NPN bipolar junction transistor manufactured by Micro Commercial Co, designed for general-purpose switching and amplification applications. This surface mount device operates at 50 V collector-emitter breakdown voltage with a maximum collector current of 100 mA and transition frequency of 250 MHz. The part is classified as Active status with 1110 units in current inventory.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to component availability, supply chain considerations, or design flexibility within specified parameter ranges.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	50	V
Current - Collector (Ic) (Max)	100	mA
Frequency - Transition	250	MHz
Power - Max	200	mW
Vce Saturation (Max) @ Ib, Ic	300mV @ 10mA, 100mA	—
DC Current Gain (hFE) (Min) @ Ic, Vce	200 @ 1mA, 6V	—
Operating Temperature Range	-55 to 150	°C
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution eligibility for the 2SC1623-L6-TP-HF is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Transistor Type: NPN
Collector-Emitter Breakdown Voltage (Vceo): Equal to or greater than 50 V
Maximum Collector Current (Ic): Equal to or greater than 100 mA
Transition Frequency (fT): Equal to or greater than 250 MHz
Maximum Power Dissipation: Equal to or greater than 200 mW
Package Type: Surface mount SOT-23 or equivalent footprint compatibility
Mounting Type: Surface Mount

Substitute parts are grouped into two categories:

Direct Substitutes (Upgrade Category): Parts meeting or exceeding all electrical parameters with active product status and current availability.

Similar Substitutes (Alternative Category): Parts with comparable electrical performance within acceptable ranges, including parts with lower voltage ratings (45 V) or lower transition frequencies (100 MHz), which remain functionally compatible in applications not requiring the full 50 V or 250 MHz specification.

Parameter Comparison

Part Number	Manufacturer	Vceo (Max) [V]	Ic (Max) [mA]	fT [MHz]	Power (Max) [mW]	Vce Sat (Max) [mV]	hFE (Min)	Package	Status
2SC1623-L6-TP-HF	Micro Commercial Co	50	100	250	200	300 @ 10mA, 100mA	200 @ 1mA, 6V	SOT-23	Active
NSVMSD601-RT1G	onsemi	50	100	—	—	—	—	SC-59-3	Active
BC847A RFG	Taiwan Semiconductor Corporation	45	100	100	200	500 @ 5mA, 100mA	110 @ 2mA, 5V	SOT-23	Active
BC847B-7-F	Diodes Incorporated	45	100	300	300	600 @ 5mA, 100mA	200 @ 2mA, 5V	SOT-23-3	Active
BC847BWH6433XTMA1	Infineon Technologies	45	100	250	250	600 @ 5mA, 100mA	200 @ 2mA, 5V	SOT-323	Obsolete
BC847C,215	Nexperia USA Inc.	45	100	100	250	400 @ 5mA, 100mA	420 @ 2mA, 5V	SOT-23-3	Active
BC847CLT1G	onsemi	45	100	100	300	600 @ 5mA, 100mA	420 @ 2mA, 5V	SOT-23-3	Active
BC848BT116	Rohm Semiconductor	30	100	200	350	600 @ 5mA, 100mA	200 @ 2mA, 5V	SOT-23-3	Active
BC850B,215	Nexperia USA Inc.	45	100	100	250	600 @ 5mA, 100mA	200 @ 2mA, 5V	SOT-23-3	Active
BC850BLT1G	onsemi	45	100	100	225	600 @ 5mA, 100mA	200 @ 2mA, 5V	SOT-23-3	Active
BCV72,215	Nexperia USA Inc.	60	100	100	250	210 @ 2.5mA, 50mA	200 @ 2mA, 5V	SOT-23-3	Active

Engineering Selection Recommendations

Direct Upgrade Substitute:

NSVMSD601-RT1G (onsemi) meets the 50 V Vceo specification and maintains 100 mA collector current capability. This part is Active status with ROHS3 compliance and MSL 1 rating, providing direct electrical compatibility with the 2SC1623-L6-TP-HF.

Active Status Alternatives:

The following parts are Active status and provide functional substitution within specified parameter ranges:

BC847B-7-F (Diodes Incorporated): Exceeds transition frequency specification at 300 MHz with 300 mW power rating. Vceo reduced to 45 V. ROHS3 compliant, MSL 1.
BC847C,215 (Nexperia USA Inc.): Automotive-grade part with AEC-Q101 qualification. Vceo 45 V, 100 MHz transition frequency. ROHS3 compliant, MSL 1.
BC847CLT1G (onsemi): Vceo 45 V, 100 MHz transition frequency, 300 mW power rating. ROHS3 compliant, MSL 1, wide temperature range -55°C to 150°C.
BC850B,215 (Nexperia USA Inc.): Automotive-grade with AEC-Q101 qualification. Vceo 45 V, 100 MHz transition frequency. ROHS3 compliant, MSL 1.
BC850BLT1G (onsemi): Vceo 45 V, 100 MHz transition frequency, 225 mW power rating. ROHS3 compliant, MSL 1, wide temperature range -55°C to 150°C.
BCV72,215 (Nexperia USA Inc.): Automotive-grade with AEC-Q101 qualification. Vceo 60 V (exceeds specification), 100 MHz transition frequency. ROHS3 compliant, MSL 1.

Not Recommended:

BC847BWH6433XTMA1 (Infineon Technologies) carries Obsolete product status and is not suitable for new designs.

BC848BT116 (Rohm Semiconductor) has reduced Vceo rating of 30 V, below the 50 V specification of the 2SC1623-L6-TP-HF.

BC847A RFG (Taiwan Semiconductor Corporation) has reduced DC current gain (110 @ 2mA, 5V) compared to the main part specification (200 @ 1mA, 6V).

Frequently Asked Questions (FAQ)

Q: Can BC847C,215 replace the 2SC1623-L6-TP-HF in all applications?

A: BC847C,215 is compatible for applications where the 45 V Vceo rating is sufficient. The 2SC1623-L6-TP-HF operates at 50 V maximum, so substitution is valid only when circuit design does not require the full 50 V specification. Both parts share identical 100 mA collector current and SOT-23 package compatibility.

Q: What is the difference between BC847CLT1G and BC850BLT1G?

A: Both parts are manufactured by onsemi with identical electrical specifications: 45 V Vceo, 100 mA Ic, 100 MHz fT, and SOT-23-3 package. The primary difference is base product designation (BC847 versus BC850 series). Both are Active status with ROHS3 compliance and MSL 1 rating.

Q: Is NSVMSD601-RT1G a direct replacement for 2SC1623-L6-TP-HF?

A: NSVMSD601-RT1G maintains the 50 V Vceo specification and 100 mA collector current, providing electrical compatibility. Both parts are Active status. Package designation differs (SC-59-3 versus SOT-23), but both are surface mount three-terminal configurations with equivalent footprints.

Q: Why do some substitute parts have lower transition frequencies?

A: BC847 and BC850 series parts operate at 100 MHz transition frequency, compared to the 2SC1623-L6-TP-HF at 250 MHz. These parts remain functionally compatible in applications where switching speed requirements do not exceed 100 MHz. Higher frequency applications require parts with fT ≥ 250 MHz, such as BC847B-7-F (300 MHz).

Q: Are automotive-grade parts suitable for non-automotive applications?

A: Automotive-grade parts such as BC847C,215 and BC850B,215 with AEC-Q101 qualification meet enhanced reliability and quality standards. These parts are suitable for any application, including non-automotive designs, and provide additional assurance of manufacturing consistency.

Q: What does MSL 1 (Unlimited) moisture sensitivity level indicate?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed substitute parts carry MSL 1 rating, eliminating moisture-related reliability concerns.

Q: Can BCV72,215 be used where 50 V Vceo is required?

A: BCV72,215 exceeds the 50 V specification with 60 V Vceo rating, providing additional voltage margin. This part is suitable for applications requiring 50 V or lower voltage operation. The higher voltage rating does not create compatibility issues in circuits designed for 50 V operation.

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