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APT38M50J Equivalent & Substitute Parts Reference
Part Overview
The APT38M50J, manufactured by Microchip Technology, is an N-Channel Power MOSFET in the Transistors, FETs, MOSFETs category. It features a 500V drain-to-source voltage, 38A continuous drain current at 25°C (Tc), and is supplied in an ISOTOP® (SOT-227-4, miniBLOC) chassis mount package. The device offers a maximum power dissipation of 357W and operates within a temperature range of -55°C to 150°C (TJ). The part is ROHS3 compliant, has unlimited moisture sensitivity level (MSL 1), and is designated as active status.
It is necessary to find equivalent or substitute models such as IXTN60N50L2 for applications requiring the same critical electrical, mechanical, and compliance attributes, especially for design flexibility, multi-sourcing, or in situations where there are inventory shortages.
Substiute Parts
Key Parameters
| Parameter | APT38M50J |
|---|---|
| Category | Transistors, FETs, MOSFETs |
| FET Type | N-Channel |
| Technology | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 500 V |
| Current - Continuous Drain (Id) @ 25°C | 38A (Tc) |
| Rds On (Max) @ Id, Vgs | 100mOhm @ 28A, 10V |
| Vgs(th) (Max) @ Id | 5V @ 2.5mA |
| Gate Charge (Qg) (Max) @ Vgs | 220 nC @ 10 V |
| Vgs (Max) | ±30V |
| Input Capacitance (Ciss) (Max) @ Vds | 8800 pF @ 25 V |
| Power Dissipation (Max) | 357W (Tc) |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Chassis Mount |
| Supplier Device Package | ISOTOP® |
| Package / Case | SOT-227-4, miniBLOC |
| RoHS Status | ROHS3 Compliant |
| MSL | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitute selection is governed by strict matching to the following allowed parameters: device category (Transistors, FETs, MOSFETs), electrical type (N-Channel MOSFET), equivalent or superior maximum drain-to-source voltage (Vdss), comparable or higher continuous drain current (Id) at specified conditions, comparable Rds On at specified Vgs and Id, Vgs threshold (Vgs(th)), gate charge (Qg), Vgs (Max), power dissipation capability, compatible package and mounting type, compliance (ROHS3, MSL, REACH), and corresponding operating temperature range.
Parameter Comparison
| Parameter | APT38M50J | IXTN60N50L2 |
|---|---|---|
| Manufacturer | Microchip Technology | IXYS |
| Category | Transistors, FETs, MOSFETs | Transistors, FETs, MOSFETs |
| FET Type | N-Channel | N-Channel |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 500 V | 500 V |
| Current - Continuous Drain (Id) @ 25°C | 38A (Tc) | 53A (Tc) |
| Rds On (Max) @ Id, Vgs | 100mOhm @ 28A, 10V | 100mOhm @ 30A, 10V |
| Vgs(th) (Max) @ Id | 5V @ 2.5mA | 4.5V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 220 nC @ 10 V | 610 nC @ 10 V |
| Vgs (Max) | ±30V | ±30V |
| Input Capacitance (Ciss) (Max) @ Vds | 8800 pF @ 25 V | 24000 pF @ 25 V |
| Power Dissipation (Max) | 357W (Tc) | 735W (Tc) |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Chassis Mount | Chassis Mount |
| Package / Case | SOT-227-4, miniBLOC | SOT-227-4, miniBLOC |
| Supplier Device Package | ISOTOP® | SOT-227B |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| MSL | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both APT38M50J and IXTN60N50L2 are listed as active and are ROHS3 compliant, REACH unaffected, with unlimited moisture sensitivity (MSL 1). Both parts have chassis mount, SOT-227-4, miniBLOC package compatibility, and equivalent operating temperature range. All listed substitute components match the compliance and certification requirements provided.
Frequently Asked Questions (FAQ)
Q1: What key parameters must be matched for substituting APT38M50J?
A1: Substitute selection must match device category, FET type, technology, drain-to-source voltage (Vdss), continuous drain current (Id) at specified conditions, Rds On at specified Vgs and Id, Vgs(th), power dissipation, gate charge, Vgs (Max), input capacitance, compliance (RoHS, REACH), moisture sensitivity, operating temperature, and have a compatible package/mounting configuration.
Q2: Is the SOT-227-4, miniBLOC package required for substitution?
A2: Yes, only substitutes with the SOT-227-4, miniBLOC package and compatible mounting are allowable based on the parameters provided.
Q3: Does product status affect selection of a substitute?
A3: Yes. Only parts with "Active" product status, per provided inputs, are considered for direct substitution.
Q4: Does RoHS or REACH compliance impact substitute selection?
A4: Yes. Both the main and substitute parts must be ROHS3 compliant and REACH unaffected.
Q5: Are electrical parameters and environmental ratings the only criteria for substitution?
A5: Based strictly on the input, only the explicitly listed electrical, mechanical, and compliance parameters are valid for determining substitution suitability.
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