NTMFS4841NT3G Equivalent & Substitute Parts

Part Overview

The NTMFS4841NT3G is an N-Channel MOSFET manufactured by onsemi, rated for 30V drain-to-source voltage with continuous drain current of 8.3A at ambient temperature (Ta) and 57A at case temperature (Tc). The device is housed in a 5-DFN (5x6) surface mount package and is designed for general-purpose switching applications requiring low on-resistance performance.

This part is classified as obsolete. Identifying equivalent and substitute components is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems utilizing this MOSFET.

Substiute Parts

NTMFS4841NT3G

onsemiIn Stock: 1227NTMFS4841NT3G Datasheet

Current PartRFQ

NTMFS4841NT1G

onsemiIn Stock: 5185NTMFS4841NT1G Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the NTMFS4841NT3G is determined by electrical and mechanical parameter equivalence. The primary substitution criteria are:

Electrical Parameters:

• Drain-to-source voltage rating (Vdss) must equal or exceed 30V
• Continuous drain current (Id) must meet or exceed 8.3A at Ta and 57A at Tc
• On-resistance (Rds On) must not exceed 7mOhm at specified conditions
• Gate threshold voltage (Vgs(th)) must be compatible at 2.5V @ 250µA
• Gate charge (Qg) and input capacitance (Ciss) must remain within acceptable switching performance parameters
• Operating temperature range must encompass −55°C to 150°C

Mechanical Parameters:

• Mounting type must be surface mount
• Package must be 5-DFN (5x6) or equivalent footprint-compatible variant
• Lead count and pinout must be compatible with 5-lead configuration

Compliance Parameters:

• Moisture sensitivity level must be MSL 1 or equivalent
• REACH and ECCN classifications must be maintained

The NTMFS4841NT1G is identified as a parametric equivalent substitute, meeting all electrical and mechanical requirements specified above.

Parameter Comparison

Engineering Selection Recommendations

NTMFS4841NT1G as Primary Substitute:

The NTMFS4841NT1G is a direct parametric equivalent to the NTMFS4841NT3G. Both devices are manufactured by onsemi and share identical electrical specifications, package configuration, and compliance certifications. The NTMFS4841NT1G carries RoHS3 compliance status, providing enhanced environmental regulatory alignment compared to the original part.

Both parts are classified as obsolete. The NTMFS4841NT1G currently maintains higher inventory availability (5077 pieces in stock versus 1128 pieces for the NTMFS4841NT3G), supporting sustained supply chain continuity for production requirements.

Compliance Considerations:

Both parts maintain REACH Unaffected status and EAR99 ECCN classification. The NTMFS4841NT1G's RoHS3 compliance status aligns with current environmental standards for electronic component manufacturing and distribution.

Inventory and Availability:

Selection between these two equivalent parts should prioritize the NTMFS4841NT1G due to superior inventory availability and RoHS3 compliance status. The NTMFS4841NT3G remains available for applications where specific procurement requirements mandate its use.

Frequently Asked Questions (FAQ)

Q: Can the NTMFS4841NT1G be used as a direct replacement for the NTMFS4841NT3G?

A: Yes. The NTMFS4841NT1G is a parametric equivalent with identical electrical specifications, package configuration, and operating characteristics. Both devices are pin-compatible 5-DFN (5x6) surface mount MOSFETs with matching Vdss, Id, Rds On, and thermal performance ratings.

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

A: Substitution compatibility is determined by: Drain-to-source voltage (Vdss) of 30V, continuous drain current of 8.3A at Ta and 57A at Tc, on-resistance (Rds On) of 7mOhm at 30A and 10V, gate threshold voltage of 2.5V at 250µA, gate charge of 17nC at 4.5V, and input capacitance of 1436pF at 12V. All substitute parts must meet or exceed these specifications.

Q: Are there package compatibility concerns when substituting these parts?

A: No. Both the NTMFS4841NT3G and NTMFS4841NT1G utilize the identical 5-DFN (5x6) surface mount package with 5 leads. Footprint, pinout, and land pattern are fully compatible. No PCB redesign is required.

Q: What is the significance of the RoHS3 compliance status on the NTMFS4841NT1G?

A: RoHS3 compliance indicates the NTMFS4841NT1G meets current European Union Restriction of Hazardous Substances directives. This status supports regulatory compliance for products distributed in markets with environmental substance restrictions. Both parts maintain REACH Unaffected status.

Q: Why are both parts classified as obsolete?

A: Obsolete classification indicates these parts are no longer in active production by onsemi. However, both remain available through authorized distributors with existing inventory. Obsolete status does not affect electrical performance or substitution compatibility.

Q: How should inventory availability influence part selection?

A: The NTMFS4841NT1G maintains significantly higher inventory availability (5077 pieces versus 1128 pieces). For applications requiring sustained production volumes or long-term supply chain stability, the NTMFS4841NT1G is the preferred selection. Both parts are electrically and mechanically equivalent.

Q: Are there thermal performance differences between these substitute parts?

A: No. Both parts share identical power dissipation ratings of 870mW at Ta and 41.7W at Tc, and identical operating temperature ranges of −55°C to 150°C. Thermal management requirements and heat dissipation characteristics are equivalent.