STF11N65M5 N-Channel MOSFET 650V 9A Equivalent & Substitute Parts

Part Overview

The STF11N65M5 is an N-Channel MOSFET manufactured by STMicroelectronics, rated for 650V drain-to-source voltage with 9A continuous drain current at 25°C. This device operates in the MDmesh™ V series and is housed in a TO-220FP through-hole package. The part is currently Active in product status with 15,132 units in stock inventory.

Equivalent and substitute parts are identified when applications require alternative sourcing, inventory availability, or when design specifications allow for components with comparable or enhanced electrical characteristics within the same voltage and current class. Substitutes must maintain compatibility with the TO-220 package family and preserve critical electrical parameters including drain-to-source voltage rating, gate-source voltage limits, and thermal characteristics.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	650	V
Continuous Drain Current (Id) @ 25°C	9	A
Drive Voltage (Max Rds On)	10	V
Rds On (Max) @ Id, Vgs	480 mOhm @ 4.5A, 10V	mOhm
Gate-Source Voltage (Vgs) Max	±25	V
Power Dissipation (Max)	25	W
Operating Temperature (TJ)	150	°C
Mounting Type	Through Hole	—
Package / Case	TO-220-3 Full Pack	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution logic for the STF11N65M5 is based on the following critical parameters:

Primary Substitution Criteria:

Drain-to-source voltage (Vdss) rating of 600V or higher
N-Channel MOSFET technology with Metal Oxide construction
Through-hole mounting in TO-220 package family (TO-220F, TO-220FP, TO-220SIS)
Gate-source voltage (Vgs) rating of ±20V or higher
Operating temperature range supporting 150°C junction temperature
RoHS3 compliance and REACH unaffected status

Secondary Compatibility Factors:

Continuous drain current (Id) at or above 9A at 25°C
On-resistance (Rds On) characteristics at 10V drive voltage
Gate charge (Qg) and input capacitance (Ciss) within acceptable ranges for switching applications
Power dissipation capability of 25W or greater

Substitute parts are grouped into two categories: direct equivalents with matching or superior current ratings at 650V, and functional alternatives with slightly reduced voltage ratings (600V) but enhanced current handling or thermal performance.

Parameter Comparison

Parameter	STF11N65M5 (Main)	AOTF11S65L	FDPF15N65	IPA60R600E6XKSA1	TK12A60D(STA4,Q,M)
Manufacturer	STMicroelectronics	Alpha & Omega Semiconductor	onsemi	Infineon Technologies	Toshiba Semiconductor
Vdss (V)	650	650	650	600	600
Id @ 25°C (A)	9	11	15	7.3	12
Rds On (Max) @ 10V (mOhm)	480 @ 4.5A	399 @ 5.5A	440 @ 7.5A	600 @ 2.4A	550 @ 6A
Vgs (Max) (V)	±25	±30	±30	±20	±30
Power Dissipation (Max) (W)	25	31	38.5	28	45
Operating Temperature (TJ) (°C)	150	-55 to 150	-55 to 150	-55 to 150	150
Package	TO-220FP	TO-220F	TO-220F-3	PG-TO220-FP	TO-220SIS
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Not For New Designs	Active

Engineering Selection Recommendations

AOTF11S65L (Alpha & Omega Semiconductor)

The AOTF11S65L maintains the 650V Vdss rating with increased continuous drain current of 11A, representing a direct upgrade path. This part is Active in product status with 6,030 units available. The improved on-resistance of 399 mOhm at 5.5A and higher power dissipation rating of 31W provide enhanced thermal performance. Extended operating temperature range of -55°C to 150°C offers broader environmental compatibility. All compliance certifications match the main part. Pin-compatible within the TO-220 family.

FDPF15N65 (onsemi)

The FDPF15N65 maintains the 650V Vdss rating with the highest continuous drain current of 15A among all substitutes. This part is Active in product status with 15,326 units in stock. The 440 mOhm on-resistance and 38.5W power dissipation capability support high-current applications. Extended operating temperature range of -55°C to 150°C and ±30V Vgs rating provide design flexibility. All compliance certifications are met. Pin-compatible within the TO-220 family.

IPA60R600E6XKSA1 (Infineon Technologies)

The IPA60R600E6XKSA1 operates at 600V Vdss, representing a 50V reduction from the main part specification. This part carries a "Not For New Designs" product status and is not recommended for new circuit implementations. The 7.3A continuous drain current falls below the main part rating. Limited inventory of 828 units. This substitute is suitable only for legacy system maintenance or replacement scenarios where 600V operation is acceptable.

TK12A60D(STA4,Q,M) (Toshiba Semiconductor)

The TK12A60D operates at 600V Vdss with 12A continuous drain current, exceeding the main part's current rating. This part is Active in product status with 760 units available. The 550 mOhm on-resistance and 45W power dissipation rating support thermal-demanding applications. Operating temperature maximum of 150°C matches the main part. All compliance certifications are met. Pin-compatible within the TO-220 family.

Frequently Asked Questions (FAQ)

Q: Can the AOTF11S65L directly replace the STF11N65M5 in existing designs?

A: Yes. Both parts maintain 650V Vdss rating, ±25V minimum Vgs specification, and TO-220 package compatibility. The AOTF11S65L provides improved current handling (11A vs. 9A) and thermal performance (31W vs. 25W). Pin configuration is identical within the TO-220 family. No circuit modifications are required.

Q: What is the primary advantage of the FDPF15N65 over the main part?

A: The FDPF15N65 provides the highest current capacity at 15A continuous drain current while maintaining the 650V voltage rating. Power dissipation capability increases to 38.5W. This part is suitable for applications requiring higher current throughput without voltage derating.

Q: Why is the IPA60R600E6XKSA1 marked "Not For New Designs"?

A: The IPA60R600E6XKSA1 carries a legacy product status indicating that Infineon has discontinued active development and support for this device. While functional for existing applications, this part should not be selected for new circuit designs. Use AOTF11S65L or FDPF15N65 for new implementations.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All four substitute parts listed carry ROHS3 Compliant certification and REACH Unaffected status, matching the environmental compliance profile of the STF11N65M5.

Q: What is the difference between TO-220F, TO-220FP, and TO-220SIS packages?

A: All three are through-hole TO-220 variants with identical pin configurations and mechanical footprints. TO-220FP and TO-220F include full-pack isolation, while TO-220SIS (Single In-line Single) provides similar electrical performance. All are mechanically and electrically interchangeable for PCB mounting purposes.

Q: Can the TK12A60D be used in applications requiring 650V operation?

A: No. The TK12A60D is rated for 600V maximum Vdss, which is 50V below the STF11N65M5 specification. Using this part in circuits designed for 650V operation creates a voltage margin violation and increases failure risk. Use AOTF11S65L or FDPF15N65 for 650V applications.

Q: Which substitute offers the best on-resistance performance?

A: The AOTF11S65L provides the lowest on-resistance at 399 mOhm measured at 5.5A and 10V drive voltage. This characteristic reduces conduction losses and heat generation in switching applications.

Q: Is inventory availability a factor in part selection?

A: Inventory levels are provided for reference. FDPF15N65 and STF11N65M5 both maintain high stock levels (15,326 and 15,132 units respectively), ensuring supply continuity. AOTF11S65L (6,030 units) and TK12A60D (760 units) have lower availability. IPA60R600E6XKSA1 (828 units) has the lowest stock level.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message