NTJS3157NT2G N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The NTJS3157NT2G is an N-Channel MOSFET manufactured by onsemi, rated for 20V drain-to-source voltage with 3.2A continuous drain current at 25°C. This device is housed in a 6-TSSOP/SC-88/SOT-363 surface mount package and is designed for general-purpose switching and amplification applications requiring compact form factors. The part maintains Active product status and is ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1).

Substitute parts are identified when electrical characteristics, mechanical packaging, and compliance certifications remain identical across manufacturing batches or packaging configurations. The primary reason for identifying equivalent parts relates to inventory availability, supply chain continuity, and packaging format options while maintaining identical electrical performance.

Substiute Parts

NTJS3157NT2G

onsemiIn Stock: 794NTJS3157NT2G Datasheet

Current PartRFQ

NTJS3157NT1G

onsemiIn Stock: 1647NTJS3157NT1G Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the NTJS3157NT2G are identified based on electrical and mechanical parameter equivalence. The substitution logic is based on the following criteria:

Electrical Equivalence Requirements:

• Identical FET type (N-Channel)
• Identical technology (MOSFET Metal Oxide)
• Identical Vdss rating (20V)
• Identical continuous drain current (3.2A @ 25°C)
• Identical Rds On specification (60mOhm @ 4A, 4.5V)
• Identical gate threshold voltage (1V @ 250µA)
• Identical gate charge (15nC @ 4.5V)
• Identical maximum gate voltage (±8V)
• Identical input capacitance (500pF @ 10V)
• Identical power dissipation rating (1W)
• Identical operating temperature range (-55°C to 150°C)

Mechanical Equivalence Requirements:

• Identical package type (6-TSSOP/SC-88/SOT-363)
• Identical mounting type (Surface Mount)

Compliance Equivalence Requirements:

• Identical RoHS status (ROHS3 Compliant)
• Identical moisture sensitivity level (MSL 1)
• Identical REACH status (REACH Unaffected)

Parts meeting all three equivalence categories are classified as direct substitutes. Packaging format variations (Cut Tape vs. Digi-Reel) do not affect electrical or mechanical compatibility and represent supply chain options only.

Parameter Comparison

Engineering Selection Recommendations

NTJS3157NT1G is a direct electrical and mechanical equivalent to NTJS3157NT2G. Both parts share identical electrical specifications, package configuration, and compliance certifications. The distinction between these part numbers relates to packaging format and supply chain configuration rather than device performance.

Product Status Consideration: Both parts maintain Active product status from onsemi, ensuring continued availability and manufacturing support.

Compliance Alignment: Both parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 rating, meeting identical environmental and regulatory requirements for deployment in commercial and industrial applications.

Packaging Format: NTJS3157NT1G is supplied in Cut Tape (CT) and Digi-Reel® format, while NTJS3157NT2G packaging format is not specified in the provided data. Selection between these parts should be based on procurement requirements and assembly line compatibility rather than electrical performance.

Base Product Number: Both parts share the base product number NTJS3157, confirming they are variants of the same device design with identical electrical characteristics.

Frequently Asked Questions (FAQ)

Q: Can NTJS3157NT1G be used as a direct replacement for NTJS3157NT2G in existing designs?

A: Yes. Both parts are electrically identical with matching Vdss (20V), drain current (3.2A), Rds On (60mOhm), and all other electrical parameters. They share the same 6-TSSOP/SC-88/SOT-363 package and surface mount configuration. No circuit modifications are required.

Q: Are there differences in reliability or lifespan between these parts?

A: No. Both parts are manufactured by onsemi with identical specifications, operating temperature range (-55°C to 150°C), and power dissipation rating (1W). Reliability characteristics are equivalent.

Q: What is the difference between the part numbers if they are electrically identical?

A: The part number suffix reflects packaging and supply format. NTJS3157NT1G is supplied in Cut Tape and Digi-Reel® format, while NTJS3157NT2G uses a different packaging configuration. The electrical device itself is identical.

Q: Do both parts meet the same compliance standards?

A: Yes. Both NTJS3157NT2G and NTJS3157NT1G are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited moisture sensitivity). They meet identical regulatory requirements.

Q: Can these parts be mixed in the same production batch?

A: Yes. Since both parts are electrically and mechanically identical with matching compliance certifications, they can be used interchangeably in the same circuit design and production environment.

Q: What should I verify when switching between these parts?

A: Verify that your assembly equipment is compatible with the specific packaging format (Cut Tape vs. alternative format). Electrical verification is not required due to identical specifications.

Q: Are there any thermal or performance differences?

A: No. Both parts have identical power dissipation ratings (1W), operating temperature ranges (-55°C to 150°C), and thermal characteristics. Performance under identical operating conditions is equivalent.

Q: Which part should I select for new designs?

A: Either part is suitable for new designs. Selection should be based on procurement availability, packaging format compatibility with your assembly process, and supply chain preferences. Electrical performance and reliability are identical.