SPP35N10 N-Channel MOSFET 100V 35A Equivalent & Substitute Parts

Part Overview

The SPP35N10 is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 100V drain-to-source voltage with 35A continuous drain current at 25°C. This device is packaged in TO-220-3 through-hole configuration and is part of the SIPMOS® series. The SPP35N10 is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Substitute parts must maintain electrical compatibility across critical parameters including drain-to-source voltage rating, continuous drain current capability, on-state resistance characteristics, and gate charge specifications. All substitute candidates listed are N-Channel MOSFETs with matching 100V voltage ratings and comparable current handling in the 32A to 43.5A range.

Key Parameters

Parameter	SPP35N10 Value	Unit
Drain to Source Voltage (Vdss)	100	V
Continuous Drain Current (Id) @ 25°C	35	A (Tc)
Rds On (Max) @ Id, Vgs	44	mOhm @ 26.4A, 10V
Gate Threshold Voltage Vgs(th) (Max) @ Id	4	V @ 83µA
Gate Charge (Qg) (Max) @ Vgs	65	nC @ 10V
Input Capacitance (Ciss) (Max) @ Vds	1570	pF @ 25V
Power Dissipation (Max)	150	W (Tc)
Operating Temperature Range	-55 to 175	°C (TJ)
Package / Case	TO-220-3	Through Hole
Vgs (Max)	±20	V

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following electrical and mechanical criteria:

Primary Matching Criteria:

Drain-to-Source Voltage (Vdss): 100V (exact match required)
Continuous Drain Current (Id): 32A to 43.5A range (within operational envelope)
Package Type: TO-220-3 or TO-220AB through-hole configuration
Gate Threshold Voltage: 2.5V to 4V maximum
Operating Temperature: -55°C to 175°C minimum

Secondary Compatibility Factors:

On-state Resistance (Rds On): 26.5mOhm to 45mOhm @ 10V gate drive
Gate Charge (Qg): 28nC to 65nC @ 10V
Input Capacitance (Ciss): 1180pF to 2300pF @ 25V
Maximum Gate Voltage: ±17V to ±25V

All listed substitute parts meet the primary matching criteria. Variations in secondary parameters reflect different manufacturing technologies and design optimizations while maintaining functional equivalence within the 100V/35A application space.

Parameter Comparison

Parameter	SPP35N10	IRF540ZPBF	FDP3682	FQP44N10	PSMN027-100PS,127	STP30NF10	STP40NF10L
Manufacturer	Infineon	Infineon	onsemi	onsemi	Nexperia	STMicroelectronics	STMicroelectronics
Vdss (V)	100	100	100	100	100	100	100
Id @ 25°C (A)	35	36	32	43.5	37	35	40
Rds On (Max) @ 10V (mOhm)	44	26.5	36	39	26.8	45	33
Vgs(th) (Max) (V)	4	4	4	4	4	4	2.5
Qg (Max) @ 10V (nC)	65	63	28	62	30	55	64
Ciss (Max) @ 25V (pF)	1570	1770	1250	1800	1624	1180	2300
Power Dissipation (Max) (W)	150	92	95	146	103	115	150
Operating Temp Range (°C)	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	175
Package	TO-220-3	TO-220AB	TO-220-3	TO-220-3	TO-220AB	TO-220	TO-220
Product Status	Obsolete	Active	Active	Obsolete	Obsolete	Active	Active
RoHS Status	Not Specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Active Product Status Preference: STP30NF10, STP40NF10L, IRF540ZPBF, and FDP3682 are classified as active products with current manufacturing support. These parts are preferred for new designs and ongoing procurement due to sustained availability and manufacturer support.

Compliance and Certification: All substitute parts carry ROHS3 compliance certification. IRF540ZPBF, FDP3682, FQP44N10, PSMN027-100PS,127, STP30NF10, and STP40NF10L are ROHS3 compliant. All parts maintain REACH Unaffected status and EAR99 export classification, matching the regulatory profile of the SPP35N10.

Inventory Availability: STP30NF10 maintains the highest inventory level at 70,887 pieces. IRF540ZPBF (17,422 pieces), PSMN027-100PS,127 (23,005 pieces), and FDP3682 (15,465 pieces) provide substantial stock. FQP44N10 and STP40NF10L each maintain 15,326 and 15,465 pieces respectively.

Thermal Performance Consideration: STP40NF10L and SPP35N10 both specify 150W maximum power dissipation at Tc. IRF540ZPBF specifies 92W, FDP3682 95W, FQP44N10 146W, PSMN027-100PS,127 103W, and STP30NF10 115W. Applications requiring maximum thermal headroom should prioritize STP40NF10L or FQP44N10.

On-State Resistance Profile: IRF540ZPBF and PSMN027-100PS,127 offer superior on-state resistance at 26.5mOhm and 26.8mOhm respectively, reducing conduction losses. STP40NF10L provides 33mOhm. FDP3682 offers 36mOhm. Applications sensitive to conduction losses benefit from these lower resistance options.

Frequently Asked Questions (FAQ)

Q: Can SPP35N10 be directly replaced with any of these substitute parts?

A: Direct replacement is possible for parts with matching TO-220-3 package configuration: FDP3682, FQP44N10, and STP30NF10. Parts with TO-220AB or TO-220 packaging (IRF540ZPBF, PSMN027-100PS,127, STP40NF10L) require PCB layout verification due to pin spacing variations, though electrical functionality remains compatible.

Q: What is the primary difference between active and obsolete substitute parts?

A: Active products (STP30NF10, STP40NF10L, IRF540ZPBF, FDP3682) have current manufacturing support and guaranteed long-term availability. Obsolete products (FQP44N10, PSMN027-100PS,127) may face supply constraints and should be avoided for new designs requiring multi-year production runs.

Q: Which substitute part offers the best thermal performance?

A: STP40NF10L and SPP35N10 both specify 150W maximum power dissipation. STP40NF10L is the active product alternative with identical thermal rating. For applications operating near thermal limits, STP40NF10L provides equivalent performance with current manufacturing support.

Q: Are gate drive voltage requirements identical across all substitutes?

A: Gate threshold voltage (Vgs(th)) ranges from 2.5V to 4V maximum across the substitute group. All parts operate with 10V gate drive specification. STP40NF10L specifies lower threshold at 2.5V, requiring verification in gate driver circuits designed for 4V threshold devices.

Q: What is the significance of on-state resistance variation?

A: On-state resistance (Rds On) directly affects conduction losses and heat generation. IRF540ZPBF and PSMN027-100PS,127 at 26.5mOhm and 26.8mOhm reduce losses compared to SPP35N10 at 44mOhm. Applications with high switching frequency or continuous current operation benefit from lower Rds On alternatives.

Q: Can STP40NF10L be used in applications requiring -55°C minimum operating temperature?

A: STP40NF10L specifies 175°C maximum operating temperature without explicit lower temperature limit in the provided data. Verification against detailed datasheets is required for applications requiring confirmed -55°C minimum operation.

Q: What packaging considerations apply to TO-220AB variants?

A: IRF540ZPBF and PSMN027-100PS,127 use TO-220AB packaging. While electrically compatible, TO-220AB pin spacing differs from TO-220-3. PCB footprint verification is required before substitution to ensure mechanical fit and thermal interface integrity.

Q: Which substitute part has the lowest gate charge requirement?

A: FDP3682 specifies 28nC gate charge at 10V, the lowest among all substitutes. This reduces gate driver power requirements and enables faster switching transitions in high-frequency applications.

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