FQPF12N60C N-Channel 600V 12A MOSFET Equivalent & Substitute Parts

Part Overview

The FQPF12N60C is an N-Channel 600V 12A MOSFET manufactured by onsemi in the QFET® series, housed in a TO-220F-3 through-hole package. This device is classified as obsolete, though 29,852 units remain in stock as new original inventory. The part is designed for high-voltage switching applications requiring 600V drain-to-source voltage capability with 12A continuous drain current at 25°C.

Due to the obsolete product status, equivalent and substitute parts from active manufacturers are necessary to ensure long-term design continuity, supply chain reliability, and access to current production inventory. Substitute parts must maintain electrical compatibility across critical parameters including voltage rating, current capacity, on-resistance characteristics, and thermal performance while accommodating packaging variations.

Key Parameters

Parameter	Value	Unit	Condition
Drain to Source Voltage (Vdss)	600	V	Maximum rating
Current - Continuous Drain (Id) @ 25°C	12	A	Tc
Rds On (Max) @ Id, Vgs	650	mOhm	@ 6A, 10V
Gate Charge (Qg) (Max) @ Vgs	63	nC	@ 10V
Power Dissipation (Max)	51	W	Tc
Operating Temperature Range	-55 to 150	°C	TJ
Mounting Type	Through Hole	-	-
Package	TO-220-3 Full Pack	-	-

Substitute Part Grouping Explanation

Substitution logic for the FQPF12N60C is based on the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Drain to Source Voltage (Vdss): 600V minimum (allows higher voltage ratings)
Continuous Drain Current (Id): 12A minimum at 25°C
On-Resistance (Rds On): 650mOhm maximum @ specified conditions
Gate Charge (Qg): Lower values preferred for reduced switching losses
Power Dissipation: 51W minimum capability
Operating Temperature: -55°C to 150°C minimum range
Mounting Type: Through Hole
Package: TO-220 variants (TO-220-3, TO-220F-3, TO-220AB)

Substitution Groups:

Group 1 - Direct Equivalents (600V, 12A, TO-220F-3): Parts maintaining identical voltage and current ratings with full package compatibility. FDPF12N60NZ qualifies as a direct equivalent with active product status and improved thermal characteristics.

Group 2 - Functional Equivalents (600V, 11-12A, TO-220F variants): Parts with 11A or 12A current ratings at 600V in TO-220F packaging. AOTF11N60L and AOTF11N62L provide functional equivalence with slightly lower current ratings but compatible on-resistance and thermal performance.

Group 3 - Reduced Current Alternatives (600V, 10A, TO-220 variants): Parts rated for 10A continuous current at 600V. AOT10N60L and AOTF10N60L provide voltage and package compatibility with reduced current capacity, suitable for applications not requiring full 12A capability.

Group 4 - Higher Voltage Alternatives (620V+, 11A, TO-220F): AOTF11N62L rated at 620V provides enhanced voltage margin while maintaining 11A current capability.

Group 5 - Reduced Current, Higher Voltage (800V, 7A, TO-220): IPP80R750P7XKSA1 from Infineon offers significantly higher voltage rating (800V) with reduced current (7A), suitable for applications prioritizing voltage headroom over current capacity.

Group 6 - Lower Current Alternatives (600V, 5-7.5A, TO-220FP): STF10N60M2 and STF7NM60N provide 600V voltage compatibility with reduced current ratings (7.5A and 5A respectively), applicable to lower-power switching applications.

Group 7 - Reduced Current, Standard Voltage (600V, 9.2A, TO-220AB): IRFB9N60APBF rated at 9.2A provides near-equivalent current capacity with standard TO-220AB packaging.

Group 8 - Higher Power Dissipation (600V, 12A, TO-220): APT12F60K from Microsemi maintains 12A current and 600V voltage with significantly higher power dissipation rating (225W vs. 51W), suitable for high-power applications.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Qg (nC)	Pd (W)	Package	Status
FQPF12N60C	onsemi	600	12	650 @ 6A, 10V	63 @ 10V	51	TO-220F-3	Obsolete
FDPF12N60NZ	onsemi	600	12	650 @ 6A, 10V	34 @ 10V	39	TO-220F-3	Active
AOTF11N60L	Alpha & Omega	600	11	650 @ 5.5A, 10V	37 @ 10V	37.9	TO-220F	Active
AOTF11N62L	Alpha & Omega	620	11	650 @ 5.5A, 10V	37 @ 10V	39	TO-220F	Active
AOT10N60L	Alpha & Omega	600	10	750 @ 5A, 10V	40 @ 10V	250	TO-220	Active
AOTF10N60L	Alpha & Omega	600	10	750 @ 5A, 10V	40 @ 10V	-	TO-220F	Active
APT12F60K	Microsemi	600	12	620 @ 6A, 10V	55 @ 10V	225	TO-220	Active
IPP80R750P7XKSA1	Infineon	800	7	750 @ 2.7A, 10V	17 @ 10V	51	TO-220	Active
IRFB9N60APBF	Vishay Siliconix	600	9.2	750 @ 5.5A, 10V	49 @ 10V	170	TO-220AB	Active
STF10N60M2	STMicroelectronics	600	7.5	600 @ 4A, 10V	13.5 @ 10V	25	TO-220FP	Active
STF7NM60N	STMicroelectronics	600	5	900 @ 2.5A, 10V	14 @ 10V	20	TO-220FP	Active

Engineering Selection Recommendations

Primary Recommendation - FDPF12N60NZ: The FDPF12N60NZ from onsemi is the preferred substitute for the FQPF12N60C. Both parts are manufactured by onsemi, maintaining design continuity and supply chain familiarity. The FDPF12N60NZ is active in production with 15,465 units in stock. It maintains identical voltage (600V) and current (12A) ratings with matching on-resistance (650mOhm @ 6A, 10V). The substitute offers improved performance characteristics: reduced gate charge (34nC vs. 63nC) and lower power dissipation (39W vs. 51W). Both parts are RoHS3 compliant and REACH unaffected. The TO-220F-3 package is identical, ensuring direct mechanical compatibility. The UniFET-II™ series technology represents a generational improvement over the obsolete QFET® series.

Secondary Recommendation - AOTF11N60L: The AOTF11N60L from Alpha & Omega Semiconductor provides functional equivalence with 600V voltage rating and 11A continuous current (1A below the original specification). This part is active with 3,610 units in stock. On-resistance matches the original at 650mOhm @ 5.5A, 10V. Gate charge is significantly reduced (37nC vs. 63nC), and power dissipation is lower (37.9W vs. 51W). The TO-220F package provides full mechanical compatibility. RoHS3 compliance and REACH unaffected status are maintained. This option is suitable for applications where 11A current capacity is sufficient.

Tertiary Recommendation - APT12F60K: The APT12F60K from Microsemi maintains the full 12A current rating and 600V voltage specification. This part is active with 2,680 units in stock. On-resistance is slightly improved (620mOhm vs. 650mOhm @ 6A, 10V). The significant advantage is substantially higher power dissipation capability (225W vs. 51W), making this part suitable for high-power switching applications. The TO-220 package provides mechanical compatibility. RoHS3 compliance and REACH unaffected status are confirmed. Gate charge is slightly lower (55nC vs. 63nC).

Alternative for Reduced Current Applications - STF10N60M2: For applications not requiring the full 12A current capacity, the STF10N60M2 from STMicroelectronics offers 600V voltage compatibility with 7.5A continuous current. This part is active with 45,924 units in stock, providing excellent supply availability. On-resistance is improved (600mOhm @ 4A, 10V), and gate charge is significantly reduced (13.5nC vs. 63nC). Power dissipation is lower (25W vs. 51W). The TO-220FP package provides mechanical compatibility. RoHS3 compliance and REACH unaffected status are maintained. This option is recommended for lower-power switching circuits.

Higher Voltage Alternative - AOTF11N62L: The AOTF11N62L from Alpha & Omega Semiconductor provides enhanced voltage margin at 620V with 11A current rating. This part is active with 3,040 units in stock. On-resistance matches the original at 650mOhm @ 5.5A, 10V. Gate charge is reduced (37nC vs. 63nC), and power dissipation is comparable (39W vs. 51W). The TO-220F package provides full mechanical compatibility. RoHS3 compliance and REACH unaffected status are maintained. This option is suitable for applications requiring voltage headroom above 600V.

Compliance and Certification Status: All recommended substitutes maintain RoHS3 compliance and REACH unaffected status, ensuring regulatory compatibility with the original FQPF12N60C. All parts operate across the -55°C to 150°C temperature range, matching the original specification. Vgs (Max) ratings of ±30V or ±25V provide gate drive compatibility with standard control circuits.

Frequently Asked Questions (FAQ)

Q1: Can FDPF12N60NZ be used as a direct replacement for FQPF12N60C without circuit modifications?

A: Yes. The FDPF12N60NZ is a direct replacement. Both parts share identical electrical specifications (600V, 12A, 650mOhm on-resistance @ 6A, 10V) and identical TO-220F-3 packaging. The FDPF12N60NZ offers improved performance with lower gate charge (34nC vs. 63nC) and reduced power dissipation (39W vs. 51W). No circuit modifications are required. Both parts accept ±30V gate drive voltage and operate across -55°C to 150°C.

Q2: What is the difference between TO-220F-3 and TO-220F packaging?

A: TO-220F-3 and TO-220F refer to the same package family with full-pack isolation. The "F" designation indicates full-pack construction with isolated mounting tab. Both the FQPF12N60C and FDPF12N60NZ use TO-220F-3 packaging. The AOTF11N60L and AOTF11N62L use TO-220F packaging, which is mechanically compatible. The primary difference is in the specific manufacturer's implementation, but all three variants accommodate standard TO-220 mounting hardware and thermal management solutions.

Q3: Why does AOTF11N60L have lower current rating (11A vs. 12A) but is still considered a substitute?

A: The AOTF11N60L is classified as a functional equivalent for applications where 11A continuous current is sufficient. The 1A reduction represents an 8.3% decrease in current capacity. For many switching applications, this margin is acceptable. The substitute offers compensating advantages: identical on-resistance (650mOhm @ 5.5A, 10V), significantly reduced gate charge (37nC vs. 63nC), and lower power dissipation (37.9W vs. 51W). Circuit designers must verify that their specific application does not require the full 12A capacity before selecting this substitute.

Q4: Is APT12F60K suitable for high-power applications?

A: Yes. The APT12F60K is specifically recommended for high-power switching applications. It maintains the full 12A current rating and 600V voltage specification while providing substantially higher power dissipation capability (225W vs. 51W). This 4.4x increase in thermal capacity makes it suitable for continuous high-current operation or applications with limited heat dissipation. The on-resistance is slightly improved (620mOhm vs. 650mOhm), and gate charge is reduced (55nC vs. 63nC). Thermal management design should account for the higher power dissipation capability.

Q5: Can STF7NM60N be used in place of FQPF12N60C?

A: No. The STF7NM60N is not a suitable substitute for the FQPF12N60C. While both parts share 600V voltage rating and TO-220FP packaging, the STF7NM60N is rated for only 5A continuous current, representing a 58% reduction from the original 12A specification. This part is suitable only for low-power switching applications. The on-resistance is significantly higher (900mOhm @ 2.5A, 10V vs. 650mOhm @ 6A, 10V). Use this part only in applications specifically designed for 5A or lower current operation.

Q6: What are the gate drive voltage requirements for substitute parts?

A: All recommended substitutes accept gate drive voltages within ±25V to ±30V range. The FQPF12N60C specifies Vgs (Max) of ±30V. Substitute parts maintain this specification or higher: FDPF12N60NZ (±30V), AOTF11N60L (±30V), AOTF11N62L (±30V), APT12F60K (±30V), IRFB9N60APBF (±30V), STF10N60M2 (±25V), STF7NM60N (±25V), and IPP80R750P7XKSA1 (±20V). Standard gate drive circuits operating at 10V or 15V are compatible with all substitutes. Verify gate threshold voltage (Vgs(th)) specifications for your specific control circuit design.

Q7: How does gate charge affect switching performance?

A: Gate charge (Qg) directly impacts switching speed and power loss. The FQPF12N60C specifies 63nC @ 10V. Lower gate charge enables faster switching transitions, reducing switching losses. FDPF12N60NZ (34nC) provides 46% reduction in gate charge, improving efficiency. STF10N60M2 (13.5nC) and STF7NM60N (14nC) provide 79% reduction, enabling very fast switching. Higher gate charge (IRFB9N60APBF at 49nC, APT12F60K at 55nC) still provides acceptable switching performance. For high-frequency switching applications (>100kHz), lower gate charge substitutes reduce switching losses and improve overall circuit efficiency.

Q8: Are all substitute parts RoHS3 compliant?

A: Yes. All recommended substitute parts are RoHS3 compliant, matching the compliance status of the FQPF12N60C. This ensures compatibility with modern manufacturing and environmental regulations. All parts are also REACH unaffected, with the exception of IRFB9N60APBF, which is REACH affected. Verify REACH compliance requirements for your specific application and supply chain before selecting IRFB9N60APBF.

Q9: What is the thermal management difference between 51W and 225W power dissipation ratings?

A: Power dissipation rating indicates the maximum thermal power the device can safely dissipate at the specified case temperature (Tc). The FQPF12N60C is rated for 51W, while APT12F60K is rated for 225W. This 4.4x difference reflects different thermal design approaches and junction-to-case thermal resistance. Higher power dissipation rating does not mean the device generates more heat; rather, it can safely handle higher heat generation without exceeding maximum junction temperature. For applications with limited heat dissipation (passive cooling or constrained thermal design), the higher-rated APT12F60K provides greater thermal margin.

Q10: Can I use IPP80R750P7XKSA1 in a 600V circuit?

A: Yes, but with voltage margin consideration. The IPP80R750P7XKSA1 is rated for 800V drain-to-source voltage, providing 200V additional margin above the 600V circuit requirement. This higher voltage rating is beneficial for circuits with transient overvoltage conditions or where voltage headroom is desired. However, the continuous current rating is only 7A, representing a 42% reduction from the original 12A specification. This part is suitable only for applications where 7A current capacity is sufficient and higher voltage rating is advantageous. The CoolMOS™ P7 technology provides excellent switching characteristics with very low gate charge (17nC).

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