IRF3710ZSPBF N-Channel MOSFET 100V 59A Equivalent & Substitute Parts

Part Overview

The IRF3710ZSPBF is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 100V drain-to-source voltage with 59A continuous drain current in a D2PAK surface mount package. This device is part of the HEXFET® series and is designed for high-current switching applications requiring efficient power dissipation up to 160W.

The IRF3710ZSPBF is currently discontinued at DiGi Electronics. Equivalent and substitute parts are available from active product lines, including Infineon OptiMOS™ series devices and Nexperia TrenchMOS™ technology MOSFETs, as well as STMicroelectronics STripFET™ II alternatives. These substitutes maintain electrical compatibility within specified parameter tolerances while offering improved availability and active product support.

Key Parameters

Parameter	IRF3710ZSPBF	Unit
Drain-to-Source Voltage (Vdss)	100	V
Continuous Drain Current (Id) @ 25°C	59	A
On-State Resistance (Rds On) @ Id, Vgs	18 mOhm @ 35A, 10V	mOhm
Gate Threshold Voltage (Vgs(th)) @ Id	4	V @ 250µA
Gate Charge (Qg) @ Vgs	120	nC @ 10V
Input Capacitance (Ciss) @ Vds	2900	pF @ 25V
Power Dissipation (Max)	160	W
Operating Temperature Range	-55 to 175	°C
Package Type	D2PAK (TO-263-3)	Surface Mount
FET Type	N-Channel	—
Technology	MOSFET (Metal Oxide)	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the IRF3710ZSPBF is determined by strict alignment of the following electrical and mechanical parameters:

Critical Substitution Parameters:

Drain-to-Source Voltage (Vdss): Must equal or exceed 100V
Package Type: Must be D2PAK (TO-263-3) surface mount
Continuous Drain Current (Id): Must support minimum 59A operation
Gate Threshold Voltage (Vgs(th)): Must be compatible with 10V drive voltage
Operating Temperature Range: Must span -55°C to 175°C minimum
RoHS3 Compliance: Required for regulatory equivalence

Substitution Logic:

Substitute parts are grouped into two categories based on electrical performance relative to the main part:

Category A – Direct Electrical Equivalents (Vdss = 100V, Id ≥ 59A): These devices maintain the same voltage rating and meet or exceed the current specification. Rds On values may vary within acceptable engineering tolerances for the application.

PSMN016-100BS,118 (Nexperia): 100V, 57A, 16 mOhm Rds On
PSMN015-100B,118 (Nexperia): 100V, 75A, 15 mOhm Rds On
STB80NF10T4 (STMicroelectronics): 100V, 80A, 15 mOhm Rds On

Category B – Voltage-Rated Alternatives (Vdss ≥ 100V, Id ≥ 50A): These devices provide higher voltage ratings with comparable or superior current handling, suitable for applications requiring voltage margin or higher performance.

IPB144N12N3GATMA1 (Infineon): 120V, 56A, 14.4 mOhm Rds On
IPB50N10S3L16ATMA1 (Infineon): 100V, 50A, 15.4 mOhm Rds On

All substitute parts are available in active product status with confirmed inventory and maintain D2PAK packaging, RoHS3 compliance, and MSL 1 rating.

Parameter Comparison

Parameter	IRF3710ZSPBF	IPB144N12N3GATMA1	IPB50N10S3L16ATMA1	PSMN015-100B,118	PSMN016-100BS,118	STB80NF10T4	Unit
Vdss	100	120	100	100	100	100	V
Id @ 25°C	59	56	50	75	57	80	A
Rds On (Max)	18 @ 35A, 10V	14.4 @ 56A, 10V	15.4 @ 50A, 10V	15 @ 25A, 10V	16 @ 15A, 10V	15 @ 40A, 10V	mOhm
Vgs(th) @ Id	4 @ 250µA	4 @ 61µA	2.4 @ 60µA	4 @ 1mA	4 @ 1mA	4 @ 250µA	V
Qg @ Vgs	120 @ 10V	49 @ 10V	64 @ 10V	90 @ 10V	49 @ 10V	182 @ 10V	nC
Ciss @ Vds	2900 @ 25V	3220 @ 60V	4180 @ 25V	4900 @ 25V	2404 @ 50V	5500 @ 25V	pF
Power Dissipation (Max)	160	107	100	300	148	300	W
Operating Temp Range	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	°C
Package	D2PAK	D2PAK	D2PAK	D2PAK	D2PAK	D2PAK	—
Product Status	Discontinued	Active	Active	Active	Active	Active	—
RoHS3 Compliance	Yes	Yes	Yes	Yes	Yes	Yes	—
MSL Rating	1	1	1	1	1	1	—

Engineering Selection Recommendations

Primary Substitutes (Recommended for Direct Replacement):

PSMN016-100BS,118 (Nexperia USA Inc.) is the closest electrical equivalent. It maintains 100V Vdss, delivers 57A continuous drain current (within 3% of the original 59A specification), and provides 16 mOhm Rds On. This device is in active product status with 4,180 units in stock. RoHS3 compliance and MSL 1 rating are confirmed. The Nexperia TrenchMOS™ technology offers mature manufacturing support and is suitable for direct pin-compatible replacement in existing designs.

STB80NF10T4 (STMicroelectronics) provides superior current handling at 80A with improved Rds On of 15 mOhm at 40A, 10V. The 100V voltage rating matches the original specification exactly. This device is in active status with 15,265 units available. STripFET™ II technology delivers higher power dissipation capability (300W vs. 160W), making it suitable for applications requiring thermal margin or higher switching frequencies. RoHS3 and MSL 1 compliance are confirmed.

PSMN015-100B,118 (Nexperia USA Inc.) offers the highest current rating at 75A with excellent Rds On of 15 mOhm at 25A, 10V. Power dissipation reaches 300W, providing significant thermal headroom. This device is active with 2,893 units in stock and is suitable for applications where current margin or reduced thermal stress is required.

Secondary Substitutes (Voltage-Rated Alternatives):

IPB144N12N3GATMA1 (Infineon Technologies) provides a 120V voltage rating with 56A current capability and 14.4 mOhm Rds On. This device is suitable for applications requiring voltage margin above 100V or where higher voltage tolerance is beneficial. Active status with 17,820 units in stock. Infineon OptiMOS™ series technology ensures compatibility with existing Infineon-based designs.

IPB50N10S3L16ATMA1 (Infineon Technologies) maintains 100V Vdss with 50A current rating. This device is suitable for lower-current applications or where gate charge reduction (64 nC vs. 120 nC) is advantageous for faster switching. Active status with 3,296 units available.

Selection Criteria:

For thermal-constrained applications: Select STB80NF10T4 or PSMN015-100B,118 (300W dissipation)
For direct current matching: Select PSMN016-100BS,118 (57A, closest to 59A)
For voltage margin: Select IPB144N12N3GATMA1 (120V rating)
For gate charge optimization: Select IPB50N10S3L16ATMA1 or IPB144N12N3GATMA1 (49 nC)

All recommended substitutes are RoHS3 compliant, MSL 1 rated, and available in active product status with confirmed inventory.

Frequently Asked Questions (FAQ)

Q1: Can I use a substitute part with a higher Vdss rating (e.g., 120V instead of 100V)?

A: Yes. A higher Vdss rating is electrically compatible and does not compromise circuit operation. The IPB144N12N3GATMA1 (120V) operates safely in 100V applications. Higher voltage ratings provide additional safety margin and do not affect switching performance in circuits designed for 100V operation.

Q2: What is the significance of Rds On variation among substitute parts?

A: Rds On (on-state resistance) directly affects power dissipation and heat generation. Lower Rds On values reduce conduction losses. The IRF3710ZSPBF specifies 18 mOhm at 35A, 10V. Substitutes with lower Rds On (14.4–16 mOhm) reduce power dissipation and thermal stress. Selection depends on thermal budget and efficiency requirements of the application.

Q3: Are all substitute parts pin-compatible with the IRF3710ZSPBF?

A: Yes. All listed substitutes use the D2PAK (TO-263-3) package with identical pin configuration: Gate, Drain, and Source (with tab). Physical and electrical pin compatibility is confirmed for all recommended substitutes.

Q4: What is the impact of gate charge (Qg) differences on circuit design?

A: Gate charge affects gate drive circuit requirements and switching speed. The IRF3710ZSPBF specifies 120 nC at 10V. Substitutes with lower Qg (49–90 nC) require less gate drive energy and enable faster switching transitions. Substitutes with higher Qg (182 nC for STB80NF10T4) require proportionally more gate drive current but do not prevent substitution if the gate driver has adequate current capacity.

Q5: Can I substitute a part with lower continuous drain current (e.g., 50A instead of 59A)?

A: Substitution with lower current rating is not recommended for applications requiring the full 59A specification. The IPB50N10S3L16ATMA1 (50A) is suitable only for applications with actual current requirements below 50A. Verify actual circuit current demand before selecting lower-rated alternatives.

Q6: What does "active product status" mean for substitution purposes?

A: Active product status indicates the manufacturer continues production, provides technical support, and maintains long-term availability. All recommended substitutes are in active status, ensuring supply chain continuity and access to updated datasheets and application notes. The original IRF3710ZSPBF is discontinued, making active alternatives necessary for new designs and long-term production.

Q7: Are there any thermal performance differences I should consider?

A: Yes. Maximum power dissipation varies significantly: IRF3710ZSPBF (160W), STB80NF10T4 (300W), and PSMN015-100B,118 (300W). Higher power dissipation ratings indicate better thermal performance and suitability for high-frequency switching or continuous high-current operation. Select based on actual thermal requirements and available heatsinking.

Q8: How do I verify that a substitute part is suitable for my specific application?

A: Confirm the following parameters match or exceed your circuit requirements: (1) Vdss ≥ circuit maximum voltage, (2) Id ≥ circuit maximum continuous current, (3) Rds On acceptable for thermal budget, (4) Qg compatible with gate driver, (5) Package type matches PCB layout. All listed substitutes meet these criteria for the IRF3710ZSPBF application envelope.

Q9: What is the difference between Infineon OptiMOS™ and STMicroelectronics STripFET™ II technology?

A: Both are advanced MOSFET technologies offering improved performance over legacy designs. OptiMOS™ devices (IPB series) typically feature lower gate charge and optimized Rds On. STripFET™ II devices (STB series) emphasize high current capability and robust thermal performance. Both are suitable substitutes; selection depends on specific performance priorities (switching speed vs. current capacity).

Q10: Is RoHS3 compliance mandatory for substitution?

A: For applications subject to RoHS3 regulations (EU and equivalent markets), RoHS3 compliance is mandatory. All recommended substitutes are RoHS3 compliant, matching the original IRF3710ZSPBF specification. Verify regulatory requirements for your target market before final part selection.

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