2SC1623-L5-TP Equivalent & Substitute Parts

Part Overview

The 2SC1623-L5-TP is an NPN bipolar junction transistor manufactured by Micro Commercial Co, designed for interface applications in surface mount configurations. This transistor operates at 50 V collector-emitter breakdown voltage with a maximum collector current of 100 mA and transition frequency of 250 MHz. The device is housed in a SOT-23 package and is currently in active product status with 979 units in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging or compliance requirements are needed, or when design optimization requires different electrical characteristics within compatible 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	300 mV @ 10 mA, 100 mA	—
DC Current Gain (hFE) (Min) @ Ic, Vce	135 @ 1 mA, 6 V	—
Current - Collector Cutoff (Max)	100	nA
Operating Temperature Range	-55 to 150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-236-3, SC-59, SOT-23-3	—

Substitute Part Grouping Explanation

Substitution of the 2SC1623-L5-TP is determined by compatibility across the following critical parameters:

Mandatory Compatibility Criteria:

Transistor Type: NPN configuration required
Collector-Emitter Breakdown Voltage: Substitute must equal or exceed 50 V
Maximum Collector Current: Substitute must support 100 mA minimum
Package Type: Surface mount SOT-23 or equivalent footprint
Mounting Type: Surface mount configuration

Performance Parameters:

Transition Frequency: Substitute must meet or exceed 250 MHz for equivalent switching performance
Power Dissipation: Substitute must support minimum 200 mW
DC Current Gain: Substitute must provide adequate hFE for circuit biasing requirements
Operating Temperature: Substitute must cover -55°C to 150°C range

Compliance Requirements:

REACH Status: REACH Unaffected designation maintained
ECCN Classification: EAR99 maintained
RoHS Status: ROHS3 Compliant preferred for new designs

The substitute parts listed below meet these criteria with variations in specific parameters that do not compromise functional compatibility in interface applications.

Parameter Comparison

Parameter	2SC1623-L5-TP	NSVMSD601-RT1G	BC847A RFG	BC847B-13-F	BC847C-7-F	BC847CLT1G	BC848BT116	BC850BLT1G	BC850C,235	BCW72LT1G	BCX70J,215
Manufacturer	Micro Commercial Co	onsemi	Taiwan Semiconductor	Diodes Inc	Diodes Inc	onsemi	Rohm Semiconductor	onsemi	Nexperia USA Inc	onsemi	Nexperia USA Inc
Transistor Type	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	50 V	50 V	45 V	45 V	45 V	45 V	30 V	45 V	45 V	45 V	45 V
Current - Collector (Ic) (Max)	100 mA	—	100 mA	100 mA	100 mA	100 mA	100 mA	100 mA	100 mA	100 mA	100 mA
Frequency - Transition	250 MHz	—	100 MHz	300 MHz	300 MHz	100 MHz	200 MHz	100 MHz	100 MHz	300 MHz	250 MHz
Power - Max	200 mW	—	200 mW	310 mW	300 mW	300 mW	350 mW	225 mW	250 mW	300 mW	250 mW
Vce Saturation (Max) @ Ib, Ic	300 mV @ 10 mA, 100 mA	—	500 mV @ 5 mA, 100 mA	600 mV @ 5 mA, 100 mA	600 mV @ 5 mA, 100 mA	600 mV @ 5 mA, 100 mA	600 mV @ 5 mA, 100 mA	600 mV @ 5 mA, 100 mA	600 mV @ 5 mA, 100 mA	250 mV @ 500 µA, 10 mA	550 mV @ 1.25 mA, 50 mA
DC Current Gain (hFE) (Min) @ Ic, Vce	135 @ 1 mA, 6 V	—	110 @ 2 mA, 5 V	450 @ 2 mA, 5 V	420 @ 2 mA, 5 V	420 @ 2 mA, 5 V	200 @ 2 mA, 5 V	200 @ 2 mA, 5 V	420 @ 2 mA, 5 V	200 @ 2 mA, 5 V	250 @ 2 mA, 5 V
Current - Collector Cutoff (Max)	100 nA	—	100 nA	15 nA	15 nA	15 nA	100 nA	15 nA	15 nA	100 nA	20 nA
Operating Temperature Range	-55 to 150 °C	—	-55 to 150 °C	-65 to 150 °C	-65 to 150 °C	-55 to 150 °C	to 150 °C	-55 to 150 °C	to 150 °C	-55 to 150 °C	to 150 °C
Package / Case	TO-236-3, SC-59, SOT-23-3	SC-59-3	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	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	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Inventory Status	979 Pcs New Original	698 Pcs New Original	9851 Pcs New Original	22926 Pcs New Original	16152 Pcs New Original	80100 Pcs New Original	6490 Pcs New Original	65200 Pcs New Original	44122 Pcs New Original	65100 Pcs New Original	28630 Pcs New Original

Engineering Selection Recommendations

Primary Upgrade Path:

NSVMSD601-RT1G (onsemi) is the direct functional equivalent, maintaining the 50 V collector-emitter breakdown voltage specification. This part is supplied in Tape & Reel packaging and carries ROHS3 compliance with MSL 1 rating. Selection of this part is appropriate when maintaining exact voltage specifications is critical.

Secondary Substitutes with Reduced Voltage Rating:

The BC847 series variants (BC847A RFG, BC847B-13-F, BC847C-7-F, BC847CLT1G) operate at 45 V collector-emitter breakdown voltage, representing a 10% reduction from the 2SC1623-L5-TP specification. These parts are suitable for applications where the 50 V rating provides design margin and the reduced voltage does not compromise circuit operation. All BC847 variants maintain 100 mA collector current capability and SOT-23 packaging compatibility. Transition frequency varies from 100 MHz to 300 MHz across the BC847 family.

Specialized Substitutes:

BC848BT116 (Rohm Semiconductor) operates at 30 V collector-emitter breakdown voltage and is suitable only for applications with lower voltage requirements. This part is not recommended as a direct substitute for the 2SC1623-L5-TP due to the significant voltage reduction.

BC850BLT1G and BC850C,235 (onsemi and Nexperia respectively) operate at 45 V with 100 MHz transition frequency. BC850C,235 carries AEC-Q101 automotive qualification, making it suitable for automotive interface applications.

BCW72LT1G (onsemi) operates at 45 V with 300 MHz transition frequency and features improved saturation voltage characteristics (250 mV @ 500 µA, 10 mA), beneficial for switching applications requiring lower on-state losses.

BCX70J,215 (Nexperia USA Inc) operates at 45 V with 250 MHz transition frequency and carries AEC-Q101 automotive qualification. This part matches the transition frequency of the 2SC1623-L5-TP and is suitable for automotive interface designs.

Compliance Considerations:

All substitute parts maintain REACH Unaffected status and EAR99 ECCN classification. All substitute parts carry ROHS3 compliance. Parts designated with AEC-Q101 qualification (BC850C,235 and BCX70J,215) are suitable for automotive applications requiring formal qualification documentation.

Frequently Asked Questions (FAQ)

Q: Can BC847 series transistors directly replace the 2SC1623-L5-TP?

A: BC847 series transistors are functionally compatible substitutes with the following consideration: they operate at 45 V collector-emitter breakdown voltage compared to the 2SC1623-L5-TP specification of 50 V. This 10% voltage reduction is acceptable in applications where the original design includes voltage margin. All BC847 variants maintain 100 mA collector current capability and SOT-23 package compatibility. Transition frequency varies across the BC847 family from 100 MHz to 300 MHz.

Q: What is the difference between BC847CLT1G and BC847B-13-F?

A: Both parts are NPN transistors in SOT-23 packages with 45 V collector-emitter breakdown voltage and 100 mA maximum collector current. BC847CLT1G is manufactured by onsemi with 100 MHz transition frequency, while BC847B-13-F is manufactured by Diodes Incorporated with 300 MHz transition frequency. BC847B-13-F provides higher frequency capability. Both parts carry ROHS3 compliance and MSL 1 moisture sensitivity rating.

Q: Is the NSVMSD601-RT1G a direct replacement for the 2SC1623-L5-TP?

A: NSVMSD601-RT1G maintains the 50 V collector-emitter breakdown voltage specification of the 2SC1623-L5-TP and is functionally equivalent. The primary difference is packaging: NSVMSD601-RT1G is supplied in Tape & Reel format while the 2SC1623-L5-TP is supplied in Bulk. Both parts are in active product status and carry REACH Unaffected and EAR99 designations.

Q: Which substitute part is suitable for automotive applications?

A: BC850C,235 and BCX70J,215 both carry AEC-Q101 automotive qualification. BC850C,235 operates at 45 V with 100 MHz transition frequency, while BCX70J,215 operates at 45 V with 250 MHz transition frequency. BCX70J,215 more closely matches the 250 MHz transition frequency of the 2SC1623-L5-TP.

Q: What is the significance of the transition frequency difference between substitute parts?

A: Transition frequency (fT) determines the maximum frequency at which the transistor can amplify signals. The 2SC1623-L5-TP operates at 250 MHz. Substitute parts range from 100 MHz to 300 MHz. For interface applications operating below 100 MHz, any substitute part is suitable. For applications requiring 250 MHz operation, BCX70J,215 or BCW72LT1G are appropriate selections. BC847B-13-F and BC847C-7-F provide 300 MHz capability for higher-frequency applications.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts carry ROHS3 compliance designation. The 2SC1623-L5-TP does not specify RoHS status in the provided data. For new designs requiring RoHS compliance, any of the listed substitute parts is suitable.

Q: What is the difference between SOT-23 and SOT-23-3 packaging?

A: SOT-23 and SOT-23-3 refer to the same three-terminal surface mount package used for small signal transistors. The designations are equivalent. All listed parts use this package type and are mechanically and electrically compatible.

Q: Which substitute part has the lowest saturation voltage?

A: BCW72LT1G features the lowest saturation voltage at 250 mV measured at 500 µA base current and 10 mA collector current. This characteristic is beneficial for switching applications where minimizing on-state losses is important. The 2SC1623-L5-TP specifies 300 mV saturation voltage at 10 mA base current and 100 mA collector current, measured at different bias points.

Q: Can BC848BT116 replace the 2SC1623-L5-TP?

A: BC848BT116 is not recommended as a direct substitute. While it maintains 100 mA collector current and SOT-23 package compatibility, it operates at only 30 V collector-emitter breakdown voltage compared to the 2SC1623-L5-TP specification of 50 V. This represents a 40% voltage reduction and is suitable only for applications with significantly lower voltage requirements.

Q: What is the MSL rating and why is it important?

A: MSL (Moisture Sensitivity Level) indicates the moisture absorption characteristics of the component. All listed substitute parts carry MSL 1 rating, which means unlimited shelf life without moisture control. This simplifies inventory management and storage requirements compared to higher MSL ratings.

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