NTJS3151PT2G P-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The NTJS3151PT2G is an active P-Channel MOSFET manufactured by onsemi, designed for surface mount applications in the SC-88/SC70-6/SOT-363 package. This device operates at 12V drain-to-source voltage with a continuous drain current rating of 2.7A at 25°C and dissipates up to 625mW. The component is ROHS3 compliant with MSL 1 (unlimited moisture sensitivity level) and REACH unaffected status. Substitute parts are identified to provide design flexibility when the primary part number becomes unavailable or when inventory constraints require alternative sourcing options.

Key Parameters

Parameter	Value	Unit
FET Type	P-Channel	—
Drain to Source Voltage (Vdss)	12	V
Current - Continuous Drain (Id) @ 25°C	2.7	A (Ta)
Rds On (Max) @ Id, Vgs	60	mOhm @ 3.3A, 4.5V
Power Dissipation (Max)	625	mW (Ta)
Operating Temperature Range	-55 to 150	°C (TJ)
Package / Case	6-TSSOP, SC-88, SOT-363	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution of the NTJS3151PT2G is determined by electrical and mechanical parameter equivalence. The substitute part NTJS3151PT1G shares identical electrical specifications across all critical parameters: P-Channel FET topology, 12V Vdss rating, 2.7A continuous drain current, 60mOhm maximum on-resistance, 625mW power dissipation, and -55°C to 150°C operating temperature range. Both parts utilize the same SC-88/SC70-6/SOT-363 surface mount package, ensuring mechanical and thermal compatibility. The substitution is based on matching the following key parameters:

FET Type (P-Channel)
Drain to Source Voltage (12V)
Continuous Drain Current (2.7A @ 25°C)
On-Resistance (60mOhm @ 3.3A, 4.5V)
Power Dissipation (625mW)
Operating Temperature Range (-55°C to 150°C)
Package Configuration (6-TSSOP/SC-88/SOT-363)

Parameter Comparison

Parameter	NTJS3151PT2G	NTJS3151PT1G	Match
Manufacturer	onsemi	onsemi	Yes
FET Type	P-Channel	P-Channel	Yes
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	Yes
Drain to Source Voltage (Vdss)	12 V	12 V	Yes
Current - Continuous Drain (Id) @ 25°C	2.7A (Ta)	2.7A (Ta)	Yes
Rds On (Max) @ Id, Vgs	60mOhm @ 3.3A, 4.5V	60mOhm @ 3.3A, 4.5V	Yes
Vgs(th) (Max) @ Id	1.2V @ 100µA	1.2V @ 100µA	Yes
Gate Charge (Qg) (Max) @ Vgs	8.6 nC @ 4.5 V	8.6 nC @ 4.5 V	Yes
Input Capacitance (Ciss) (Max) @ Vds	850 pF @ 12 V	850 pF @ 12 V	Yes
Power Dissipation (Max)	625mW (Ta)	625mW (Ta)	Yes
Operating Temperature Range	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	Yes
Mounting Type	Surface Mount	Surface Mount	Yes
Package / Case	6-TSSOP, SC-88, SOT-363	6-TSSOP, SC-88, SOT-363	Yes
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Yes
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Yes
REACH Status	REACH Unaffected	REACH Unaffected	Yes
Product Status	Active	Active	Yes

Engineering Selection Recommendations

Both the NTJS3151PT2G and NTJS3151PT1G are active products from onsemi with identical electrical and mechanical specifications. Selection between these parts is based on inventory availability and supply chain considerations rather than technical differentiation. Both parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 rating, ensuring regulatory and environmental compatibility across applications. The NTJS3151PT1G currently has higher inventory availability (6300 pcs) compared to the NTJS3151PT2G (3722 pcs), making it a viable alternative when primary part sourcing is constrained. Direct substitution is permissible in all circuit applications where the NTJS3151PT2G is specified, as all electrical performance characteristics, thermal ratings, and package dimensions are identical.

Frequently Asked Questions (FAQ)

Q: Can NTJS3151PT1G be used as a direct replacement for NTJS3151PT2G?

A: Yes. Both parts are manufactured by onsemi and share identical electrical specifications, on-resistance characteristics, power dissipation ratings, and operating temperature ranges. The SC-88/SC70-6/SOT-363 package is identical, ensuring mechanical and thermal compatibility without circuit modification.

Q: What are the key electrical parameters that define substitution eligibility?

A: Substitution is determined by matching P-Channel FET topology, 12V Vdss rating, 2.7A continuous drain current at 25°C, 60mOhm maximum on-resistance at 3.3A and 4.5V gate-source voltage, 625mW power dissipation, and -55°C to 150°C operating temperature range. All these parameters are identical between the two parts.

Q: Are there any package or mounting differences between these parts?

A: No. Both NTJS3151PT2G and NTJS3151PT1G use the 6-TSSOP/SC-88/SOT-363 surface mount package. Pin configuration, footprint, and thermal characteristics are identical, allowing direct PCB substitution without layout modifications.

Q: Do both parts meet the same compliance standards?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity level ratings. Regulatory and environmental compliance is equivalent across both part numbers.

Q: What is the difference between NTJS3151PT2G and NTJS3151PT1G?

A: The parts are electrically and mechanically identical. The difference lies in packaging configuration or manufacturing date code, indicated by the suffix designation (PT2G versus PT1G). Both are active products suitable for new designs and production applications.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. No circuit redesign, simulation, or layout modification is required when substituting NTJS3151PT1G for NTJS3151PT2G or vice versa. The parts are functionally equivalent across all specified parameters.

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