IXTP110N055T2 N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The IXTP110N055T2 is an N-Channel MOSFET manufactured by IXYS, rated for 55V drain-to-source voltage with 110A continuous drain current at 25°C. This device is part of the TrenchT2™ series and is housed in a through-hole TO-220-3 package. The part is currently in active production status with 3171 units in stock.

Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter ranges, accounting for differences in packaging, current ratings, voltage ratings, and thermal characteristics. Substitution becomes necessary when the primary part is unavailable, when design requirements permit higher voltage or current ratings, or when alternative package types are acceptable for the application.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	55	V
Continuous Drain Current (Id) @ 25°C	110	A (Tc)
On-Resistance (Rds On) @ 25A, 10V	6.6	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	4	V
Gate Charge (Qg) @ 10V	57	nC
Power Dissipation (Max)	180	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

Substitute parts for the IXTP110N055T2 are grouped based on the following electrical and mechanical criteria:

Primary Substitution Criteria:

Drain-to-Source Voltage (Vdss): Equal to or greater than 55V
Continuous Drain Current (Id): Equal to or greater than 110A at 25°C
On-Resistance (Rds On): Comparable performance at specified gate voltage
Gate Threshold Voltage (Vgs(th)): Within acceptable switching characteristics
Operating Temperature Range: Minimum -55°C to 175°C
Package Compatibility: TO-220-3 through-hole or equivalent surface-mount alternatives
Compliance: ROHS3 compliant, REACH unaffected

Grouping Logic:

Group 1 – Direct TO-220-3 Through-Hole Substitutes (Voltage-Rated Higher): Parts maintaining the same through-hole TO-220-3 package with voltage ratings of 60V or 75V, supporting equivalent or higher current ratings. These parts are pin-compatible and require no PCB layout modifications.

Group 2 – Surface-Mount Alternative (D2PAK Package): Parts utilizing surface-mount D2PAK packaging with equivalent voltage and current specifications. These require PCB redesign but offer improved thermal performance in certain applications.

All substitute parts listed maintain N-Channel MOSFET technology, ROHS3 compliance, and active product status.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Vgs(th) (V)	Qg (nC)	Power Diss. (W)	Temp Range (°C)	Package
IXTP110N055T2	IXYS	55	110 (Tc)	6.6 @ 25A, 10V	4 @ 250µA	57 @ 10V	180 (Tc)	-55 to 175	TO-220-3
CSD18533KCS	Texas Instruments	60	100 (Tc)	6.3 @ 75A, 10V	2.3 @ 250µA	34 @ 10V	192 (Tc)	-55 to 175	TO-220-3
DMT6005LCT	Diodes Incorporated	60	100 (Tc)	6 @ 20A, 10V	3 @ 250µA	47.1 @ 10V	104 (Tc)	-55 to 150	TO-220-3
DMT6010SCT	Diodes Incorporated	60	98 (Tc)	7.2 @ 20A, 10V	4 @ 250µA	36.3 @ 10V	104 (Tc)	-55 to 150	TO-220-3
DMTH6010SCT	Diodes Incorporated	60	100 (Tc)	7.2 @ 20A, 10V	4 @ 250µA	36.3 @ 10V	125 (Tc)	-55 to 175	TO-220-3
IRFB3307ZPBF	Infineon Technologies	75	120 (Tc)	5.8 @ 75A, 10V	4 @ 150µA	110 @ 10V	230 (Tc)	-55 to 175	TO-220AB
STP140NF75	STMicroelectronics	75	120 (Tc)	7.5 @ 70A, 10V	4 @ 250µA	218 @ 10V	310 (Tc)	-55 to 175	TO-220
BUK9608-55B,118	Nexperia USA Inc.	55	75 (Tc)	7 @ 25A, 10V	2 @ 1mA	45 @ 5V	203 (Tc)	-55 to 175	D2PAK

Engineering Selection Recommendations

TO-220-3 Through-Hole Direct Substitutes:

CSD18533KCS (Texas Instruments NexFET™ Series) – Recommended for applications requiring identical through-hole packaging. Vdss rating of 60V exceeds the 55V requirement. Continuous drain current of 100A is within acceptable range for most applications. Operating temperature range matches the original part (-55°C to 175°C). ROHS3 compliant and REACH unaffected. Active product status with 5900 units in stock.

DMTH6010SCT (Diodes Incorporated) – Suitable for through-hole applications with automotive-grade qualification (AEC-Q101). Vdss of 60V and Id of 100A (Tc) provide equivalent performance. Operating temperature range extends to 175°C, matching the original specification. Power dissipation of 125W (Tc) is adequate. ROHS3 compliant. Active product status with 4450 units in stock.

DMT6005LCT (Diodes Incorporated) – Acceptable for through-hole applications with automotive qualification. Vdss of 60V and Id of 100A (Tc) meet requirements. Note: Operating temperature range limited to -55°C to 150°C, which is 25°C lower than the original part. ROHS3 compliant. Active product status with 4150 units in stock.

DMT6010SCT (Diodes Incorporated) – Suitable for through-hole applications. Vdss of 60V and Id of 98A (Tc) provide near-equivalent performance. Operating temperature range limited to -55°C to 150°C. ROHS3 compliant. Active product status with 4250 units in stock.

Higher Voltage Rating Through-Hole Alternatives:

IRFB3307ZPBF (Infineon HEXFET® Series) – Suitable when higher voltage margin is required. Vdss of 75V and Id of 120A (Tc) exceed original specifications. TO-220AB package is pin-compatible with TO-220-3. Operating temperature range -55°C to 175°C matches original. ROHS3 compliant. Active product status with 55200 units in stock.

STP140NF75 (STMicroelectronics STripFET™ III Series) – Suitable for applications requiring higher voltage and current ratings. Vdss of 75V and Id of 120A (Tc) provide margin above original specifications. TO-220 package is compatible. Operating temperature range -55°C to 175°C matches original. ROHS3 compliant. Active product status with 5272 units in stock.

Surface-Mount Alternative:

BUK9608-55B,118 (Nexperia TrenchMOS™ Series) – Suitable only when PCB redesign for surface-mount D2PAK packaging is acceptable. Vdss of 55V matches original specification. Continuous drain current of 75A is lower than the original 110A and may not be suitable for all applications. Automotive-grade qualification (AEC-Q101). Operating temperature range -55°C to 175°C matches original. ROHS3 compliant. Active product status with 44196 units in stock. Tape & Reel packaging available.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a higher Vdss rating than the IXTP110N055T2?

A: Yes. A higher Vdss rating provides additional voltage margin and does not compromise circuit operation. Parts rated for 60V or 75V are suitable replacements for a 55V application. The circuit will operate within the lower voltage specification of the original design.

Q: What is the minimum continuous drain current required for a substitute part?

A: The substitute part must support at least 110A continuous drain current at 25°C (Tc) to maintain equivalent performance. Parts with lower current ratings (such as BUK9608-55B,118 at 75A) may not be suitable for applications requiring the full 110A specification.

Q: Are TO-220-3 and TO-220AB packages interchangeable?

A: Yes. TO-220-3 and TO-220AB are functionally equivalent through-hole packages with identical pin configurations and thermal characteristics. Both are suitable for direct PCB substitution without layout modifications.

Q: Can I use a surface-mount D2PAK part as a substitute for a through-hole TO-220-3 part?

A: Surface-mount D2PAK parts require PCB redesign and cannot be used as direct drop-in replacements for through-hole TO-220-3 devices. PCB layout, footprint, and assembly process modifications are necessary.

Q: What is the significance of the operating temperature range difference between parts?

A: The IXTP110N055T2 operates from -55°C to 175°C. Substitute parts with a lower maximum temperature (such as DMT6005LCT and DMT6010SCT at 150°C) are suitable only for applications that do not require operation above 150°C. For applications requiring the full -55°C to 175°C range, select substitutes with matching or higher temperature specifications.

Q: Does a lower on-resistance (Rds On) value indicate a better substitute?

A: Lower on-resistance reduces power dissipation and heat generation, which is generally beneficial. However, substitution suitability is determined by whether the part meets or exceeds the minimum electrical specifications of the original design. A part with slightly higher Rds On is acceptable if all other parameters are met.

Q: Are all listed substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed in this document are ROHS3 compliant and REACH unaffected, matching the compliance status of the IXTP110N055T2.

Q: What does AEC-Q101 qualification mean?

A: AEC-Q101 is an automotive-grade qualification standard. Parts bearing this qualification (such as BUK9608-55B,118, DMT6005LCT, and DMTH6010SCT) have undergone additional reliability testing and are suitable for automotive applications. This qualification is not required for all applications but indicates enhanced reliability.

Q: Can I substitute based on gate charge (Qg) alone?

A: No. Gate charge is one parameter among many that determine substitution suitability. Substitution must be based on the complete set of electrical specifications: Vdss, Id, Rds On, Vgs(th), operating temperature range, and package compatibility. All parameters must be evaluated together.

Q: What inventory levels should I consider when selecting a substitute?

A: Inventory levels are provided for reference. CSD18533KCS (5900 units), IRFB3307ZPBF (55200 units), and STP140NF75 (5272 units) have substantial stock availability. Verify current inventory with your supplier before finalizing part selection.

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