2SC5103TLQ Equivalent & Substitute Parts Reference

Part Overview

The 2SC5103TLQ, manufactured by Rohm Semiconductor, is an NPN Bipolar Junction Transistor (BJT) with a collector-emitter breakdown voltage of 60 V, collector current capability of 5 A, and a transition frequency of 120 MHz. It is designed for surface mount applications using the TO-252-3, DPAK (SC-63) package. The part is flagged as "Not For New Designs," making the identification of alternative or substitute NPN transistors with matching electrical and mechanical parameters necessary for ongoing production, service, and design continuity.

Key Parameters

Parameter	Value
Transistor Type	NPN
Current - Collector (Ic) (Max)	5 A
Voltage - Collector Emitter Breakdown (Max)	60 V
Vce Saturation (Max) @ Ib, Ic	500mV @ 200mA, 4A
Current - Collector Cutoff (Max)	10µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	120 @ 1A, 2V
Power - Max	1 W
Frequency - Transition	120MHz
Operating Temperature	150°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts are identified strictly based on matching core electrical characteristics, surface mount compatibility, and package dimensions. Key substitution parameters include Transistor Type, Maximum Collector Current, Collector-Emitter Breakdown Voltage, Saturation Voltage, Collector Cutoff Current, DC Current Gain (hFE), Maximum Power Dissipation, Transition Frequency, Maximum Junction Temperature, Mounting Type, Package/Case, RoHS compliance, MSL, and REACH status. All substitute models listed have equivalent or comparable values in these fields, ensuring functional and mechanical compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Transistor Type	Current - Collector (Ic) (Max)	Voltage - Collector Emitter Breakdown (Max)	Vce Saturation (Max) @ Ib, Ic	Current - Collector Cutoff (Max)	DC Current Gain (hFE) (Min) @ Ic, Vce	Power - Max	Frequency - Transition	Operating Temperature	Mounting Type	Package / Case	RoHS Status	MSL	REACH Status
2SC5103TLQ	Rohm Semiconductor	NPN	5 A	60 V	500mV @ 200mA, 4A	10µA	120 @ 1A, 2V	1 W	120MHz	150°C	Surface Mount	TO-252-3, DPAK (2 Leads + Tab), SC-63	ROHS3 Compliant	1	REACH Unaffected
2SCR586D3TL1	Rohm Semiconductor	NPN	5 A	80 V	300mV @ 100mA, 2A	1µA	120 @ 500mA, 3V	10 W	200MHz	150°C	Surface Mount	TO-252-3, DPAK (2 Leads + Tab), SC-63	ROHS3 Compliant	1	REACH Unaffected
2SC5706-TL-E	onsemi	NPN	5 A	50 V	240mV @ 100mA, 2A	1µA	200 @ 500mA, 2V	800 mW	400MHz	150°C	Surface Mount	TO-252-3, DPAK (2 Leads + Tab), SC-63	ROHS3 Compliant	1	REACH Unaffected
2SD1803T-TL-H	onsemi	NPN	5 A	50 V	400mV @ 150mA, 3A	1µA	200 @ 500mA, 2V	1 W	180MHz	150°C	Surface Mount	TO-252-3, DPAK (2 Leads + Tab), SC-63	ROHS3 Compliant	1	REACH Unaffected
MJD148T4G	onsemi	NPN	4 A	45 V	500mV @ 200mA, 2A	20µA	85 @ 500mA, 1V	1.75 W	3MHz	-65°C ~ 150°C	Surface Mount	TO-252-3, DPAK (2 Leads + Tab), SC-63	ROHS3 Compliant	1	REACH Unaffected
NJVMJD3055T4G	onsemi	NPN	10 A	60 V	8V @ 3.3A, 10A	50µA	20 @ 4A, 4V	1.75 W	2MHz	-55°C ~ 150°C	Surface Mount	TO-252-3, DPAK (2 Leads + Tab), SC-63	ROHS3 Compliant	1	REACH Unaffected
PHPT60606NYX	Nexperia USA Inc.	NPN	6 A	60 V	360mV @ 300mA, 6A	100nA	240 @ 500mA, 2V	1.35 W	180MHz	175°C	Surface Mount	SC-100, SOT-669	ROHS3 Compliant	1	REACH Unaffected
ZXT1053AKTC	Diodes Incorporated	NPN	5 A	75 V	460mV @ 200mA, 5A	10nA	300 @ 1A, 2V	4 W	140MHz	-55°C ~ 150°C	Surface Mount	TO-252-3, DPAK (2 Leads + Tab), SC-63	ROHS3 Compliant	1	REACH Unaffected

Engineering Selection Recommendations

Main selection criteria are based on the product status of the 2SC5103TLQ, which is "Not For New Designs." All listed substitute parts are ROHS3 Compliant, have Moisture Sensitivity Level 1 (Unlimited), and REACH Unaffected, conforming to the same regulatory and reliability standards required for sustained manufacturing and environmental compliance. Only substitute parts matching or exceeding the certified statuses should be selected for ongoing design or procurement.

Frequently Asked Questions (FAQ)

Q1: What parameters are essential for substituting the 2SC5103TLQ in a design?
A1: The critical substitution parameters are Transistor Type (NPN), Collector Current, Collector-Emitter Breakdown Voltage, DC Current Gain, Power Dissipation, Transition Frequency, Mounting Type, Package/Case, RoHS Compliance, MSL, and REACH Status.

Q2: Can substitute parts with different collector current or voltage ratings be used?
A2: Substitute parts must meet or exceed the minimum required collector current and voltage specifications for safe operation. All listed parts have collector current and voltage characteristics compatible with the 2SC5103TLQ.

Q3: Is package compatibility mandatory in selecting a substitute?
A3: Yes, substitutes must employ compatible surface mount packages (TO-252-3, DPAK, SC-63 or equivalent) to ensure fit and function on the PCB.

Q4: How does regulatory compliance affect the selection of substitute BJTs?
A4: Substitute BJTs must maintain regulatory statuses consistent with the original part, such as RoHS3 compliance and appropriate MSL and REACH standards, to assure legal and environmental conformity. All alternatives listed meet these criteria.

Q5: Are the substitute parts suitable for reflow soldering and standard SMT processes?
A5: All substitute BJTs described are surface mount types with MSL 1 (Unlimited), supporting standard SMT manufacturing processes.

Q6: Is it necessary to match manufacturer series or part numbering when selecting a substitute?
A6: Substitution is based solely on matched electrical and mechanical parameters, along with compliance standards, and not on manufacturer part numbering or series.

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