IXTP230N04T4 Equivalent & Substitute Parts

Part Overview

The IXTP230N04T4 is an N-Channel MOSFET manufactured by IXYS, rated for 40V drain-to-source voltage with 230A continuous drain current at 25°C. This device is packaged in TO-220-3 through-hole configuration and is part of the Trench series. The part carries a Last Time Buy product status, indicating it is no longer in active production. Identifying equivalent and substitute parts is necessary to ensure design continuity and maintain supply chain reliability for applications requiring comparable electrical and mechanical characteristics.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	40	V
Continuous Drain Current (Id) @ 25°C	230	A (Tc)
On-State Resistance (Rds On Max) @ 115A, 10V	2.9	mOhm
Gate Threshold Voltage (Vgs(th) Max) @ 250µA	4	V
Gate Charge (Qg Max) @ 10V	140	nC
Power Dissipation (Max)	340	W (Tc)
Operating Temperature Range	-55 to 175	°C (TJ)
Package Type	TO-220-3	Through Hole
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of N-Channel MOSFETs is determined by the following critical parameters:

Electrical Compatibility Criteria:

Drain-to-Source Voltage (Vdss) must be equal to or greater than the main part specification
Continuous Drain Current (Id) must meet or exceed the application requirement
On-State Resistance (Rds On) must be compatible with thermal and efficiency requirements
Gate Threshold Voltage (Vgs(th)) must fall within acceptable switching characteristics
Operating Temperature Range must encompass the application environment

Mechanical Compatibility Criteria:

Package type must be TO-220-3 or compatible through-hole configuration
Mounting type must be through-hole
Pin configuration must be compatible with existing PCB layouts

Regulatory Compliance:

RoHS3 compliance status
REACH compliance status

The substitute parts listed below meet the core voltage rating (40V Vdss) and through-hole TO-220 package requirement. Variations in current rating, on-state resistance, and gate charge reflect different design trade-offs suitable for specific application requirements.

Parameter Comparison

Parameter	IXTP230N04T4	CSD18502KCS	IRFB7446PBF	IRL1404ZPBF	IRL40B215
Manufacturer	IXYS	Texas Instruments	Infineon Technologies	Infineon Technologies	Infineon Technologies
Vdss (V)	40	40	40	40	40
Id @ 25°C (A)	230	100	120	75	120
Rds On Max @ 10V (mOhm)	2.9 @ 115A	2.9 @ 100A	3.3 @ 70A	3.1 @ 75A	2.7 @ 98A
Vgs(th) Max (V)	4 @ 250µA	2.1 @ 250µA	3.9 @ 100µA	2.7 @ 250µA	2.4 @ 100µA
Qg Max @ 10V (nC)	140	62	93	110	84
Power Dissipation Max (W)	340	259	99	230	143
Operating Temperature (°C)	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175
Package	TO-220-3	TO-220-3	TO-220AB	TO-220AB	TO-220AB
Product Status	Last Time Buy	Active	Active	Active	Obsolete
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

CSD18502KCS (Texas Instruments)

The CSD18502KCS is an Active product with identical Vdss (40V) and matching Rds On (2.9 mOhm @ 10V). However, the continuous drain current is rated at 100A, which is 57% lower than the IXTP230N04T4. This part is suitable for applications where the current requirement does not exceed 100A. The lower gate charge (62 nC) provides faster switching characteristics. RoHS3 compliance and REACH unaffected status align with regulatory requirements.

IRFB7446PBF (Infineon Technologies)

The IRFB7446PBF is an Active product rated for 120A continuous drain current at 25°C, representing 52% of the IXTP230N04T4 rating. The on-state resistance is 3.3 mOhm at 70A, which is slightly higher than the main part. Power dissipation is significantly lower at 99W. This part is applicable to designs requiring moderate current handling with reduced thermal load. RoHS3 compliance and REACH unaffected status are confirmed.

IRL1404ZPBF (Infineon Technologies)

The IRL1404ZPBF is an Active product with 75A continuous drain current, representing 33% of the IXTP230N04T4 rating. The on-state resistance is 3.1 mOhm at 75A. Power dissipation is rated at 230W, which is 68% of the main part. This part is suitable for lower-current applications with comparable thermal performance. RoHS3 compliance and REACH unaffected status are confirmed.

IRL40B215 (Infineon Technologies)

The IRL40B215 is an Obsolete product with 120A continuous drain current and 2.7 mOhm on-state resistance at 98A, representing the lowest Rds On among substitute parts. However, the obsolete product status indicates this part is no longer in active production and should not be selected for new designs. RoHS3 compliance and REACH unaffected status are confirmed, but product availability is limited.

Recommendation Summary:

For new designs, select from Active products: CSD18502KCS, IRFB7446PBF, or IRL1404ZPBF based on specific current and thermal requirements. The IRL40B215 should be avoided due to obsolete status. All substitute parts maintain 40V Vdss rating, TO-220 package compatibility, and regulatory compliance with the main part.

Frequently Asked Questions (FAQ)

Q: Can the CSD18502KCS replace the IXTP230N04T4 in all applications?

A: The CSD18502KCS is electrically compatible at the voltage level (40V Vdss) and has identical on-state resistance (2.9 mOhm). However, the continuous drain current is limited to 100A compared to 230A for the IXTP230N04T4. Substitution is valid only for applications where the required drain current does not exceed 100A.

Q: What is the significance of the TO-220-3 versus TO-220AB package designation?

A: Both TO-220-3 and TO-220AB are through-hole packages with identical pin configurations and mechanical footprints. The designations reflect different manufacturer naming conventions but are mechanically and electrically interchangeable on standard PCB layouts.

Q: Why is the IRL40B215 listed if it is obsolete?

A: The IRL40B215 is included in the substitute list for reference purposes only. Its obsolete status means it is no longer manufactured and should not be selected for new designs. Existing inventory may be available through secondary sources, but primary supply channels are exhausted.

Q: How does gate charge (Qg) affect substitution suitability?

A: Gate charge determines the energy required to switch the MOSFET and influences switching speed and driver circuit design. The IXTP230N04T4 has 140 nC gate charge. Substitute parts with lower gate charge (CSD18502KCS at 62 nC) enable faster switching but may require driver circuit adjustment. Higher gate charge values require more driver current but are generally compatible with existing designs.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all listed substitute parts (CSD18502KCS, IRFB7446PBF, IRL1404ZPBF, and IRL40B215) are RoHS3 compliant and REACH unaffected, matching the regulatory status of the IXTP230N04T4.

Q: What is the impact of lower continuous drain current ratings on thermal design?

A: Substitute parts with lower current ratings (CSD18502KCS at 100A, IRFB7446PBF at 120A, IRL1404ZPBF at 75A) will generate less heat at equivalent current levels due to lower I²R losses. However, if the application requires the full 230A capability of the IXTP230N04T4, these parts cannot be used without circuit redesign.

Q: Can I use a substitute part with higher Vdss rating?

A: The provided substitute parts all match the 40V Vdss specification. Using a part with higher voltage rating is not necessary for this application and may introduce unnecessary cost and size considerations.

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