SFT1342-TL-E P-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The SFT1342-TL-E is a P-Channel MOSFET manufactured by onsemi, rated for 60V drain-to-source voltage with 12A continuous drain current in a surface mount DPAK/TP-FA package. This device is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The part operates at a maximum junction temperature of 150°C and features a maximum on-resistance of 62mOhm at 6A and 10V gate-source voltage.

Key Parameters

Parameter	Value	Unit
FET Type	P-Channel	—
Drain to Source Voltage (Vdss)	60	V
Continuous Drain Current (Id) @ 25°C	12	A (Ta)
Rds On (Max) @ Id, Vgs	62	mOhm @ 6A, 10V
Gate Charge (Qg) (Max) @ Vgs	26	nC @ 10V
Vgs (Max)	±20	V
Input Capacitance (Ciss) (Max) @ Vds	1150	pF @ 20V
Power Dissipation (Max)	1 (Ta), 15 (Tc)	W
Operating Temperature (TJ)	150	°C
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63	—
Mounting Type	Surface Mount	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the SFT1342-TL-E is determined by strict alignment of electrical and mechanical parameters within the P-Channel MOSFET category. The following criteria establish substitution validity:

Primary Substitution Criteria:

FET Type: P-Channel (required match)
Drain to Source Voltage (Vdss): 60V or higher (backward compatible)
Continuous Drain Current (Id): Equal to or greater than 12A
Package / Case: TO-252-3, DPAK (2 Leads + Tab), SC-63 (mechanical compatibility)
Mounting Type: Surface Mount (required match)
Vgs (Max): ±20V or greater (gate voltage compatibility)

Secondary Compatibility Parameters:

Rds On (Max): Lower or equal values indicate improved performance
Gate Charge (Qg): Lower values reduce switching losses
Input Capacitance (Ciss): Lower values improve switching speed
Power Dissipation: Higher ratings provide thermal margin
Operating Temperature: Higher maximum junction temperature provides design flexibility

Substitute parts listed below meet or exceed the primary criteria and maintain electrical compatibility within the specified parameter ranges.

Parameter Comparison

Parameter	SFT1342-TL-E (Main)	IRFR5305TRPBF	NP20P06SLG-E1-AY	SQD19P06-60L_GE3	SUD19P06-60-GE3	TJ15S06M3L(T6L1,NQ	ZXMP6A18KTC
Manufacturer	onsemi	Infineon Technologies	Renesas Electronics	Vishay Siliconix	Vishay Siliconix	Toshiba Semiconductor	Diodes Incorporated
FET Type	P-Channel	P-Channel	P-Channel	P-Channel	P-Channel	P-Channel	P-Channel
Vdss (V)	60	55	60	60	60	60	60
Id @ 25°C (A)	12 (Ta)	31 (Tc)	20 (Tc)	20 (Tc)	18.3 (Tc)	15 (Ta)	6.8 (Ta)
Rds On (Max) (mOhm)	62 @ 6A, 10V	65 @ 16A, 10V	48 @ 10A, 10V	55 @ 19A, 10V	60 @ 10A, 10V	50 @ 7.5A, 10V	55 @ 3.5A, 10V
Qg (Max) @ 10V (nC)	26	63	34	41	40	36	44
Ciss (Max) (pF)	1150 @ 20V	1200 @ 25V	1650 @ 10V	1490 @ 25V	1710 @ 25V	1770 @ 10V	1580 @ 30V
Vgs (Max) (V)	±20	±20	±20	±20	±20	+10, -20	±20
Power Dissipation (Max) (W)	1 (Ta), 15 (Tc)	110 (Tc)	1.2 (Ta), 38 (Tc)	46 (Tc)	2.3 (Ta), 38.5 (Tc)	41 (Tc)	2.15 (Ta)
Operating Temperature (TJ) (°C)	150	-55 to 175	175	-55 to 175	-55 to 150	175	-55 to 150
Package / Case	TO-252-3, DPAK	TO-252-3, DPAK	TO-252-3, DPAK	TO-252-3, DPAK	TO-252-3, DPAK	TO-252-3, DPAK	TO-252-3, DPAK
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	—	REACH Affected	—	REACH Unaffected

Engineering Selection Recommendations

Direct Substitutes (Recommended for Replacement):

NP20P06SLG-E1-AY (Renesas Electronics Corporation) and SQD19P06-60L_GE3 (Vishay Siliconix) are the primary recommended substitutes. Both devices maintain the 60V Vdss rating, exceed the 12A continuous drain current requirement, and are housed in compatible TO-252-3 DPAK packages. NP20P06SLG-E1-AY provides 20A continuous current with 48mOhm on-resistance and is ROHS3 compliant with REACH Unaffected status. SQD19P06-60L_GE3 delivers 20A continuous current with 55mOhm on-resistance, includes AEC-Q101 automotive qualification, and is ROHS3 compliant.

Secondary Substitutes (Performance Enhancement Options):

SUD19P06-60-GE3 (Vishay Siliconix) provides 18.3A continuous current with 60mOhm on-resistance and higher power dissipation capability (38.5W at Tc). This device is ROHS3 compliant but carries REACH Affected status. TJ15S06M3L(T6L1,NQ (Toshiba Semiconductor) offers 15A continuous current with superior 50mOhm on-resistance and 41W power dissipation, supporting higher operating temperatures (175°C TJ). This part is ROHS3 compliant and REACH Unaffected.

Limited Current Applications:

ZXMP6A18KTC (Diodes Incorporated) is suitable only for applications requiring 6.8A or less continuous current. While it maintains 60V Vdss and TO-252-3 DPAK packaging, its reduced current rating restricts use to lower-power circuit implementations. This device is ROHS3 compliant and REACH Unaffected.

Voltage-Reduced Alternative:

IRFR5305TRPBF (Infineon Technologies) operates at 55V Vdss, which is 5V below the SFT1342-TL-E specification. This device delivers 31A continuous current with superior thermal performance (110W power dissipation) and extended operating temperature range (-55°C to 175°C). Use this substitute only in applications where 55V Vdss meets system voltage requirements. ROHS3 compliant and REACH Unaffected.

All substitute parts maintain surface mount DPAK packaging, MSL 1 (Unlimited) moisture sensitivity, and EAR99 export classification consistent with the original device.

Frequently Asked Questions (FAQ)

Q: Can I use IRFR5305TRPBF as a direct replacement for SFT1342-TL-E?

A: IRFR5305TRPBF is electrically compatible in most applications but operates at 55V Vdss versus the SFT1342-TL-E specification of 60V. Use this substitute only if your circuit design operates at 55V or lower. The device provides superior current handling (31A) and thermal performance (110W).

Q: Which substitute offers the best on-resistance performance?

A: NP20P06SLG-E1-AY provides the lowest on-resistance at 48mOhm (measured at 10A, 10V gate-source voltage), compared to the SFT1342-TL-E at 62mOhm. Lower on-resistance reduces power dissipation and heat generation in switching applications.

Q: Are all substitute parts RoHS compliant?

A: Yes, all listed substitute parts are ROHS3 compliant. The SFT1342-TL-E compliance status was not specified in the original data. Verify RoHS requirements for your specific application and supply chain.

Q: What is the difference between REACH Unaffected and REACH Affected status?

A: REACH Unaffected parts contain no substances of very high concern (SVHC) listed under EU REACH regulations. REACH Affected parts may contain SVHC substances but are subject to authorization or exemption procedures. SUD19P06-60-GE3 and SUD19P06-60-E3 carry REACH Affected status; verify compliance requirements for your end-use application and geographic market.

Q: Can I use ZXMP6A18KTC in a 12A application?

A: No. ZXMP6A18KTC is rated for 6.8A continuous drain current, which is insufficient for applications requiring 12A. Exceeding the rated current will cause device failure and potential circuit damage. Use this part only in applications requiring 6.8A or less.

Q: What is the significance of the TO-252-3 DPAK package compatibility?

A: All substitute parts use the same TO-252-3 DPAK (2 Leads + Tab) SC-63 package as the SFT1342-TL-E. This ensures mechanical and thermal compatibility with existing PCB layouts, mounting fixtures, and thermal management designs. No board redesign is required for package substitution.

Q: Which substitute has the lowest gate charge?

A: The SFT1342-TL-E has the lowest gate charge at 26nC (measured at 10V), followed by NP20P06SLG-E1-AY at 34nC. Lower gate charge reduces driver circuit power consumption and enables faster switching transitions in high-frequency applications.

Q: Are there automotive-qualified alternatives?

A: Yes. SQD19P06-60L_GE3 carries AEC-Q101 automotive qualification, making it suitable for automotive and industrial applications requiring automotive-grade component certification.

Q: What is the maximum junction temperature difference among substitutes?

A: Operating temperature ranges vary from 150°C to 175°C maximum junction temperature. SUD19P06-60-GE3 and ZXMP6A18KTC are limited to 150°C, while NP20P06SLG-E1-AY, SQD19P06-60L_GE3, TJ15S06M3L(T6L1,NQ, and IRFR5305TRPBF support 175°C. Select based on your thermal design requirements and ambient operating conditions.

Q: How do I verify electrical compatibility before design implementation?

A: Compare the key parameters in the Parameter Comparison table: Vdss (must equal or exceed 60V), Id (must equal or exceed 12A), Vgs (Max) (must support ±20V), and package type (must be TO-252-3 DPAK). Verify that on-resistance, gate charge, and power dissipation meet your circuit performance requirements. Consult device datasheets for detailed electrical characteristics and application-specific performance curves.

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