APT1003RKLLG Equivalent & Substitute Parts Reference

Part Overview

The APT1003RKLLG is an N-channel MOSFET manufactured by Microchip Technology, classified under the "Transistors, FETs, MOSFETs" category. It features a drain-to-source voltage of 1000 V, continuous drain current of 4A (Tc), and is supplied in a TO-220 [K] through-hole package. The product status is Obsolete. Due to its obsolescence, it is necessary to identify alternative models that meet or closely match its key electrical and mechanical parameters to ensure design continuity and repairability where APT1003RKLLG was originally specified.

Substiute Parts

APT1003RKLLG

Microchip TechnologyIn Stock: 1122APT1003RKLLG Datasheet

Current PartRFQ

APT1003RBLLG

Microchip TechnologyIn Stock: 1158APT1003RBLLG Datasheet

Parametric EquivalentRFQ

IXFP4N100P

IXYSIn Stock: 1007IXFP4N100P Datasheet

SimilarRFQ

IXFP4N100Q

IXYSIn Stock: 1487IXFP4N100Q Datasheet

SimilarRFQ

STP5N105K5

STMicroelectronicsIn Stock: 4304STP5N105K5 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Alternative and equivalent MOSFETs are selected strictly based on the following parameters: MOSFET type (N-Channel), drain-to-source voltage rating, maximum continuous drain current, drive voltage for Rds On specifications, Rds On value, Vgs threshold (Vgs(th)), gate charge, maximum Vgs, input capacitance, power dissipation rating, operating temperature, mounting and package type. All listed substitutes are classified under "Transistors, FETs, MOSFETs" and support through-hole mounting for replacement compatibility.

Parameter Comparison

Engineering Selection Recommendations

Since APT1003RKLLG is marked Obsolete, replacement should prioritize current production status and compliance data. APT1003RBLLG, IXFP4N100P, and STP5N105K5 all have Active status and meet RoHS or REACH unaffected status and MSL 1 (Unlimited) ratings as required. These substitute MOSFETs are suitable selections when maintenance of compliance and ongoing product availability is necessary.

Frequently Asked Questions (FAQ)

Q1: What are the most critical parameters for substituting APT1003RKLLG?
A1: Key parameters include FET type, drain-to-source voltage (Vdss), continuous drain current (Id), drive voltage, Rds On, Vgs(th), gate charge, maximum Vgs, input capacitance, power dissipation, operating temperature, mounting type, and package.

Q2: Is package type significant when replacing APT1003RKLLG?
A2: Yes, package and mounting type affect mechanical compatibility. Alternatives are generally offered in TO-220-3 or TO-247-3 through-hole packages.

Q3: Can I use a part with a higher voltage or current rating?
A3: Substitute selection here matches or slightly exceeds the main part ratings for critical parameters as strictly provided in the input.

Q4: How important is product compliance?
A4: Compliance (REACH, RoHS3) and MSL designation ensure substitute MOSFETs meet regulatory and handling requirements compatible with APT1003RKLLG.

Q5: Why does the product status matter in substation?
A5: Selection of Active status components ensures ongoing availability compared to the Obsolete status of APT1003RKLLG.

Q6: If the package differs but specifications match, is substitution possible?
A6: Mechanical fit must be verified, as only TO-220-3 and TO-247-3 packages are listed based on the input parameters. Substitute MOSFETs in these packages meet compatibility requirements.