SPA07N60CFDXKSA1 Equivalent & Substitute Parts

Part Overview

The SPA07N60CFDXKSA1 is an N-Channel 650V 6.6A MOSFET manufactured by Infineon Technologies in the CoolMOS™ series. This device is rated for 32W power dissipation and features a TO-220-3 Full Pack through-hole package. The part is classified as obsolete, necessitating identification of active equivalent and substitute components that maintain functional compatibility within the specified electrical and mechanical parameters.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	650	V
Continuous Drain Current (Id) @ 25°C	6.6	A (Tc)
On-State Resistance (Rds On Max) @ Id, Vgs	700 mOhm @ 4.6A, 10V	mOhm
Gate Threshold Voltage (Vgs(th) Max) @ Id	5	V @ 300µA
Gate Charge (Qg Max) @ Vgs	47	nC @ 10V
Power Dissipation (Max)	32	W (Tc)
Operating Temperature Range	-55 to 150	°C (TJ)
Package Type	TO-220-3 Full Pack	Through Hole
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Voltage Class Compatibility: Drain-Source voltage (Vdss) must equal or exceed 650V to maintain dielectric integrity in the application circuit.

Current Capacity: Continuous drain current (Id) must meet or exceed 6.6A at 25°C to ensure thermal stability and prevent device derating.

On-State Resistance (Rds On): Maximum on-state resistance at specified gate voltage (10V) must not significantly exceed 700 mOhm to maintain power dissipation within acceptable limits.

Gate Charge (Qg): Gate charge characteristics affect switching speed and driver requirements. Values within the range of 12.5 nC to 90 nC are acceptable for circuit compatibility.

Power Dissipation: Maximum power rating must support the thermal requirements of the application, with 25W to 45W ratings acceptable for equivalent operation.

Package and Mounting: All substitutes must use TO-220-3 Full Pack through-hole configuration to ensure mechanical and thermal interface compatibility.

Compliance: All substitute parts must maintain ROHS3 compliance and REACH unaffected status.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On Max (mOhm)	Qg Max (nC)	Power (W)	Status	Package
SPA07N60CFDXKSA1	Infineon	650	6.6	700 @ 4.6A, 10V	47 @ 10V	32	Obsolete	TO-220-3 FP
STF11N65M2	STMicroelectronics	650	7	670 @ 3.5A, 10V	12.5 @ 10V	25	Active	TO-220-3 FP
STF8N65M5	STMicroelectronics	650	7	600 @ 3.5A, 10V	15 @ 10V	25	Active	TO-220-3 FP
STF9NM60N	STMicroelectronics	600	6.5	745 @ 3.25A, 10V	17.4 @ 10V	25	Active	TO-220-3 FP
STF10NM60ND	STMicroelectronics	600	8	550 @ 4A, 10V	19 @ 10V	25	Active	TO-220-3 FP
STF8NM60ND	STMicroelectronics	600	7	700 @ 3.5A, 10V	22 @ 10V	25	Active	TO-220-3 FP
AOTF11N62L	Alpha & Omega Semiconductor	620	11	650 @ 5.5A, 10V	37 @ 10V	39	Active	TO-220-3 FP
IXTP4N70X2M	IXYS	700	4	850 @ 2A, 10V	11.8 @ 10V	30	Active	TO-220-3 FP
STF10N95K5	STMicroelectronics	950	8	800 @ 4A, 10V	22 @ 10V	30	Active	TO-220-3 FP
STP10NK70ZFP	STMicroelectronics	700	8.6	850 @ 4.5A, 10V	90 @ 10V	35	Active	TO-220-3 FP
TK9A60D(STA4,Q,M)	Toshiba Semiconductor	600	9	830 @ 4.5A, 10V	24 @ 10V	45	Active	TO-220-3 FP

Engineering Selection Recommendations

Primary Equivalent (Closest Match): STF11N65M2 from STMicroelectronics provides the closest electrical equivalence to the SPA07N60CFDXKSA1. This part maintains 650V Vdss rating, delivers 7A continuous drain current, and features comparable on-state resistance of 670 mOhm. The device is active in production status with full ROHS3 compliance and unlimited moisture sensitivity rating. The MDmesh™ II Plus technology series ensures reliable long-term availability.

High-Current Alternative: AOTF11N62L from Alpha & Omega Semiconductor offers enhanced current capacity at 11A with 620V Vdss rating. This part is suitable for applications requiring higher current margins. Power dissipation rating of 39W exceeds the original specification, providing thermal headroom. Active production status and ROHS3 compliance confirm long-term supply viability.

Voltage-Elevated Options: STF10N95K5 (950V) and STP10NK70ZFP (700V) provide higher voltage ratings for applications requiring enhanced dielectric margin. Both devices maintain active production status and ROHS3 compliance. These parts are appropriate when circuit topology permits higher voltage operation without performance degradation.

Lower-Voltage Alternatives: STF9NM60N, STF10NM60ND, and STF8NM60ND operate at 600V Vdss, suitable for applications where 650V rating is not mandatory. All three maintain active status with ROHS3 compliance. Current ratings range from 6.5A to 8A, accommodating various load requirements.

All recommended substitutes are active production components with ROHS3 compliance and REACH unaffected status, ensuring regulatory compliance and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can STF11N65M2 directly replace SPA07N60CFDXKSA1 without circuit modification?

A: STF11N65M2 maintains identical 650V Vdss rating and comparable on-state resistance characteristics. The TO-220-3 Full Pack package provides identical pinout and thermal interface. No circuit modification is required for direct substitution in applications operating within the original design parameters.

Q: What is the significance of gate charge (Qg) differences between the original part and substitutes?

A: Gate charge affects switching speed and driver current requirements. The original SPA07N60CFDXKSA1 specifies 47 nC at 10V. Substitutes range from 12.5 nC to 90 nC. Lower gate charge values (STF11N65M2 at 12.5 nC) enable faster switching with reduced driver stress. Higher values (STP10NK70ZFP at 90 nC) require proportionally higher driver current but do not prevent substitution if the driver circuit is rated accordingly.

Q: Are 600V-rated parts acceptable substitutes for a 650V application?

A: 600V-rated substitutes (STF9NM60N, STF10NM60ND, STF8NM60ND) operate at reduced voltage margin. These parts are acceptable only if the application circuit operates at or below 600V maximum. If the design requires 650V dielectric withstand capability, 600V parts are not suitable.

Q: What is the impact of on-state resistance (Rds On) variation on circuit performance?

A: On-state resistance directly affects power dissipation and thermal performance. The original part specifies 700 mOhm maximum. Substitutes range from 550 mOhm to 850 mOhm. Lower resistance values (STF10NM60ND at 550 mOhm) reduce power loss and heat generation. Higher values (IXTP4N70X2M at 850 mOhm) increase power dissipation proportionally. Selection depends on thermal design margins and application duty cycle.

Q: Does package type variation affect mechanical compatibility?

A: All recommended substitutes use TO-220-3 Full Pack through-hole configuration, ensuring identical mechanical interface, PCB footprint, and thermal coupling to heatsinks. Package compatibility is confirmed across all alternatives.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the original SPA07N60CFDXKSA1. Moisture sensitivity level (MSL) is rated at 1 (Unlimited) for all parts, indicating no special storage or handling requirements.

Q: Can higher-voltage parts (STF10N95K5 at 950V) be used in a 650V application?

A: Higher voltage-rated parts operate safely in lower-voltage applications. The 950V Vdss rating of STF10N95K5 provides enhanced dielectric margin. However, this part exhibits higher on-state resistance (800 mOhm) and increased gate charge (22 nC), which may affect circuit efficiency and switching characteristics. Use is acceptable if thermal and switching performance remain within design specifications.

Q: What is the production status significance for long-term supply planning?

A: The original SPA07N60CFDXKSA1 is classified as obsolete, indicating discontinued production. All recommended substitutes are active production components, ensuring availability for current and future procurement. Active status confirms manufacturer commitment to supply continuity and technical support.

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