IRFP1405 N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The IRFP1405 is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 55V drain-to-source voltage with 95A continuous drain current at 25°C. This device is housed in a TO-247AC through-hole package and is designed for high-power switching applications requiring robust thermal performance up to 310W at the case temperature.

The IRFP1405 is classified as an obsolete product. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support legacy system maintenance where this component remains in active use.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	55	V
Continuous Drain Current (Id) @ 25°C	95	A
On-State Resistance (Rds On) @ 95A, 10V	5.3	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	4	V
Gate Charge (Qg) @ 10V	180	nC
Power Dissipation (Max)	310	W
Operating Temperature Range	-55 to 175	°C
Package Type	TO-247AC	—
Mounting Type	Through Hole	—

Substitute Part Grouping Explanation

Substitute parts for the IRFP1405 are identified based on strict electrical and mechanical compatibility criteria. The following parameters define acceptable substitution:

Primary Substitution Criteria:

Drain-to-Source Voltage (Vdss) must be equal to or greater than 55V
Continuous Drain Current (Id) must be equal to or greater than 95A at 25°C
Gate Threshold Voltage (Vgs(th)) must be compatible at the specified gate drive voltage
Package type must be TO-247 or TO-247AC (through-hole mounting)
FET technology must be N-Channel MOSFET (Metal Oxide)
Operating temperature range must encompass -55°C to 175°C

Substitution Categories:

Direct Equivalent: Parts with identical electrical specifications and active product status, differing only in packaging format or RoHS compliance status.

Functional Equivalent: Parts with equal or superior electrical ratings that maintain full compatibility within the application circuit, though with enhanced performance characteristics.

Parameter Comparison

Parameter	IRFP1405	IRFP1405PBF	IXFH220N06T3
Manufacturer	Infineon Technologies	Infineon Technologies	IXYS
Vdss (V)	55	55	60
Id @ 25°C (A)	95	95	220
Rds On @ 10V (mOhm)	5.3 @ 95A	5.3 @ 95A	4.0 @ 100A
Vgs(th) @ 250µA (V)	4	4	4
Gate Charge @ 10V (nC)	180	180	136
Power Dissipation (W)	310	310	440
Operating Temperature (°C)	-55 to 175	-55 to 175	-55 to 175
Package	TO-247AC	TO-247AC	TO-247
Product Status	Obsolete	Active	Last Time Buy
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

IRFP1405PBF (Direct Equivalent - Recommended Primary Substitute)

The IRFP1405PBF is the direct equivalent of the obsolete IRFP1405. Both parts share identical electrical specifications: 55V Vdss, 95A continuous drain current, 5.3mOhm on-state resistance, and 310W power dissipation. The IRFP1405PBF differs only in packaging format (Tube) and regulatory compliance status (ROHS3 Compliant). With 37,370 units in stock and Active product status, the IRFP1405PBF provides immediate supply continuity for legacy designs without circuit modification. This part is suitable for direct pin-for-pin replacement in all applications currently using the IRFP1405.

IXFH220N06T3 (Functional Equivalent - Enhanced Performance)

The IXFH220N06T3 is a functional equivalent offering superior electrical performance. It provides 60V Vdss (5V higher rating), 220A continuous drain current (2.3× higher), 4mOhm on-state resistance (24.5% lower), and 440W power dissipation (42% higher). Gate charge is reduced to 136nC, improving switching speed. The IXFH220N06T3 maintains identical gate threshold voltage (4V) and operating temperature range (-55°C to 175°C). This part is electrically compatible and suitable for applications requiring enhanced current handling or reduced conduction losses. However, the IXFH220N06T3 carries Last Time Buy status, indicating limited future availability.

Both substitute parts are ROHS3 Compliant and REACH Unaffected, meeting modern regulatory requirements where the original IRFP1405 does not.

Frequently Asked Questions (FAQ)

Q: Can the IRFP1405PBF be used as a direct replacement for the IRFP1405?

A: Yes. The IRFP1405PBF is electrically and mechanically identical to the IRFP1405. Both parts have 55V Vdss, 95A continuous drain current, 5.3mOhm on-state resistance, and TO-247AC packaging. The IRFP1405PBF is the active production equivalent and requires no circuit modifications.

Q: What is the difference between IRFP1405 and IRFP1405PBF?

A: The primary differences are product status and packaging format. The IRFP1405 is obsolete and supplied in standard packaging, while the IRFP1405PBF is an active product supplied in Tube packaging. The IRFP1405PBF also carries ROHS3 compliance certification, whereas the IRFP1405 is RoHS non-compliant. Electrical specifications are identical.

Q: Is the IXFH220N06T3 a suitable substitute for the IRFP1405?

A: The IXFH220N06T3 is functionally compatible with the IRFP1405 in most applications. It exceeds the IRFP1405 specifications in drain current (220A vs. 95A), voltage rating (60V vs. 55V), and power dissipation (440W vs. 310W). Gate threshold voltage and operating temperature range are identical. The IXFH220N06T3 is suitable for direct replacement where enhanced performance is acceptable. However, verify that the application circuit can accommodate the higher current rating and reduced on-state resistance.

Q: What is the TO-247AC package, and is it compatible with TO-247?

A: TO-247AC and TO-247 are both through-hole packages with three leads (Gate, Drain, Source) and identical pin spacing and mounting footprint. The primary difference is internal construction and thermal characteristics. Both packages are mechanically compatible on standard PCB layouts. The IXFH220N06T3 uses TO-247 packaging, which is compatible with TO-247AC footprints.

Q: Why is the IRFP1405 obsolete, and what does this mean for my design?

A: The IRFP1405 has been discontinued by Infineon Technologies and is no longer in active production. Obsolete status indicates that new inventory will not be manufactured. Existing stock may be available from authorized distributors, but supply is finite. For new designs or long-term production, the IRFP1405PBF (active equivalent) or IXFH220N06T3 (enhanced equivalent) are recommended to ensure supply chain continuity.

Q: What are the RoHS compliance implications of substituting the IRFP1405?

A: The original IRFP1405 is RoHS non-compliant. Both substitute parts (IRFP1405PBF and IXFH220N06T3) are ROHS3 Compliant. If your application or end-market requires RoHS compliance, substitution with either equivalent part resolves this regulatory requirement. Both parts are also REACH Unaffected.

Q: How do I select between IRFP1405PBF and IXFH220N06T3?

A: Use IRFP1405PBF for direct replacement with identical electrical performance and maximum supply availability (37,370 units in stock). Use IXFH220N06T3 only if your application requires higher current capacity, lower on-state resistance, or higher power dissipation. Note that IXFH220N06T3 has limited availability (718 units) and Last Time Buy status.

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