STP14NK60Z N-Channel 600V 13.5A MOSFET Equivalent & Substitute Parts

Part Overview

The STP14NK60Z is an N-Channel 600V 13.5A MOSFET manufactured by STMicroelectronics in the SuperMESH™ series, housed in a TO-220-3 through-hole package. This device is classified as obsolete product status. The part delivers 160W maximum power dissipation at the case temperature and operates across a temperature range of -55°C to 150°C. Due to its obsolete classification, equivalent and substitute parts are necessary for ongoing design support, production continuity, and component sourcing flexibility.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	600	V
Continuous Drain Current (Id) @ 25°C	13.5	A
Rds On (Max) @ 6A, 10V	500	mOhm
Gate Threshold Voltage (Vgs(th)) @ 100µA	4.5	V
Gate Charge (Qg) @ 10V	75	nC
Power Dissipation (Max)	160	W
Operating Temperature Range	-55 to 150	°C
Package Type	TO-220-3
Mounting Type	Through Hole

Substitute Part Grouping Explanation

Substitution of the STP14NK60Z is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Drain to Source Voltage (Vdss): 600V minimum
Continuous Drain Current (Id): 13.5A or greater
Rds On (Max): 500mOhm or lower at specified gate voltage
Gate Threshold Voltage (Vgs(th)): Within ±30V gate voltage range
Package Type: TO-220-3 through-hole configuration
Operating Temperature: -55°C to 150°C minimum range
RoHS3 Compliance and REACH Unaffected status

Grouping Logic:

Group 1 - Direct Electrical Equivalents (600V, 13.5A+): Parts meeting or exceeding the exact voltage and current specifications with comparable Rds On characteristics and identical package configuration.

Group 2 - Functional Alternatives (600V, 11A-14A): Parts with slightly lower current ratings but maintaining 600V voltage class and TO-220-3 packaging, suitable for applications with reduced current demands.

Group 3 - Higher Voltage Alternatives (650V-800V, 7A-11.5A): Parts with elevated voltage ratings and reduced current specifications, applicable in circuits where voltage margin is prioritized over current capacity.

Group 4 - Performance-Optimized Variants: Parts from the same manufacturer (STMicroelectronics) with modified packaging or thermal characteristics while maintaining core electrical specifications.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On Max (mOhm)	Vgs(th) Max (V)	Qg Max (nC)	Power Diss. (W)	Package	Status
STP14NK60Z	STMicroelectronics	600	13.5	500	4.5	75	160	TO-220-3	Obsolete
STP14NK60ZFP	STMicroelectronics	600	13.5	500	4.5	75	40	TO-220-3	Active
IXFP14N60P	IXYS	600	14	550	5.5	36	300	TO-220-3	Active
IXFP16N60P3	IXYS	600	16	470	5	36	347	TO-220-3	Active
FCP11N60F	onsemi	600	11	380	5	52	125	TO-220-3	Not For New Designs
FCP600N60Z	Fairchild Semiconductor	600	7.4	600	3.5	26	89	TO-220-3	Active
SPP07N60C3XKSA1	Infineon Technologies	650	7.3	600	3.9	27	83	TO-220-3	Active
IPP80R600P7XKSA1	Infineon Technologies	800	8	600	3.5	20	60	TO-220-3	Active
TK12E80W,S1X	Toshiba Semiconductor and Storage	800	11.5	450	4	23	165	TO-220-3	Active
IXTP8N65X2M	IXYS	650	4	550	5	12	32	TO-220-3	Active

Engineering Selection Recommendations

Primary Recommendation - Direct Replacement:

STP14NK60ZFP is the primary substitute for STP14NK60Z. Both parts are manufactured by STMicroelectronics and share identical electrical specifications: 600V Vdss, 13.5A continuous drain current, 500mOhm Rds On, and 4.5V gate threshold voltage. The STP14NK60ZFP carries Active product status and maintains full RoHS3 compliance and REACH Unaffected designation. The primary difference is packaging configuration (TO-220FP versus TO-220AB) and reduced power dissipation rating (40W versus 160W). This part is suitable for applications where the thermal profile permits lower power dissipation.

Secondary Recommendations - Electrical Equivalents:

IXFP14N60P (IXYS) and IXFP16N60P3 (IXYS) maintain the 600V voltage class with current ratings of 14A and 16A respectively, both exceeding the STP14NK60Z specification. Both parts are Active status with RoHS3 compliance. IXFP14N60P provides comparable current handling with 550mOhm Rds On, while IXFP16N60P3 offers superior current capacity at 16A with improved Rds On of 470mOhm. Both are suitable for direct substitution in applications requiring equal or greater current capacity.

Alternative Recommendations - Higher Voltage Class:

TK12E80W,S1X (Toshiba) provides 800V Vdss with 11.5A continuous current and 450mOhm Rds On, delivering comparable power dissipation (165W) to the original part. This part is Active status with RoHS3 compliance and is applicable in circuits where elevated voltage margin is required.

IPP80R600P7XKSA1 (Infineon Technologies CoolMOS™ P7 series) operates at 800V with 8A continuous current and 600mOhm Rds On. This part is Active status with RoHS3 compliance and is suitable for lower-current applications requiring higher voltage headroom.

Not Recommended for New Designs:

FCP11N60F (onsemi) carries Not For New Designs product status and should not be selected for new circuit implementations despite meeting electrical specifications.

Frequently Asked Questions (FAQ)

Q: Can STP14NK60ZFP be used as a direct replacement for STP14NK60Z?

A: Yes. Both parts share identical electrical specifications: 600V Vdss, 13.5A continuous drain current, 500mOhm Rds On, and 4.5V gate threshold voltage. Both are manufactured by STMicroelectronics and housed in TO-220-3 packages. The STP14NK60ZFP is Active status, making it the preferred substitute for the obsolete STP14NK60Z. Verify that the application thermal design accommodates the reduced power dissipation rating of 40W in the STP14NK60ZFP variant.

Q: What is the difference between TO-220-3 and TO-220AB packaging?

A: Both designations refer to through-hole TO-220 packages with three leads (Gate, Drain, Source). TO-220AB and TO-220-3 are functionally equivalent in terms of pin configuration and mechanical footprint. Consult specific manufacturer datasheets for precise dimensional specifications if board layout requires exact measurements.

Q: Can IXFP16N60P3 replace STP14NK60Z in all applications?

A: IXFP16N60P3 is electrically compatible with STP14NK60Z for applications requiring 600V operation. The part exceeds current specifications (16A versus 13.5A) and provides superior Rds On performance (470mOhm versus 500mOhm). Both parts operate across -55°C to 150°C and are housed in TO-220-3 packages. Verify that the application circuit design accommodates the different gate charge characteristics (36nC versus 75nC) and input capacitance (1830pF versus 2220pF) if gate drive circuitry is optimized for the original part.

Q: Why would I select a higher voltage part like TK12E80W,S1X?

A: Higher voltage alternatives such as TK12E80W,S1X (800V) are selected when circuit design requires additional voltage margin above the nominal 600V specification. This part maintains comparable current capacity (11.5A) and power dissipation (165W) while providing 200V additional voltage headroom. Selection depends on application requirements for overvoltage protection and transient voltage handling.

Q: Are all substitute parts RoHS3 compliant?

A: All recommended substitute parts carry RoHS3 compliance and REACH Unaffected status, matching the environmental and regulatory compliance of the original STP14NK60Z. Verify compliance documentation with component suppliers for specific procurement batches.

Q: What is the significance of gate charge (Qg) differences between substitute parts?

A: Gate charge differences affect gate drive circuit design and switching speed characteristics. The STP14NK60Z specifies 75nC gate charge, while alternatives such as IXFP14N60P (36nC) and TK12E80W,S1X (23nC) require lower gate drive energy. If gate drive circuitry is optimized for the original 75nC specification, verify that selected substitutes operate within the existing drive voltage and current capabilities.

Q: Can FCP600N60Z be used as a substitute despite lower current rating?

A: FCP600N60Z operates at 600V but provides only 7.4A continuous current, significantly below the STP14NK60Z specification of 13.5A. This part is suitable only for applications with reduced current requirements. The part is Active status and RoHS3 compliant but should be selected only when circuit design permits lower current capacity.

Q: What packaging considerations apply when substituting parts?

A: All recommended substitute parts are housed in TO-220-3 through-hole packages, maintaining mechanical compatibility with the original STP14NK60Z footprint. Verify that printed circuit board layout and thermal management provisions accommodate any differences in power dissipation ratings between the original and substitute parts. Consult specific manufacturer datasheets for precise lead spacing and mounting hole dimensions.

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