STP9NK60ZFP N-Channel 600V 7A MOSFET Equivalent & Substitute Parts

Part Overview

The STP9NK60ZFP is an N-Channel 600V 7A MOSFET manufactured by STMicroelectronics in the SuperMESH™ series. This through-hole TO-220FP packaged device is rated for 30W power dissipation and operates across a temperature range of -55°C to 150°C. The part is currently Active in product status with 15,326 units in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements demand alternative electrical characteristics, or when supply chain optimization requires component standardization across manufacturing facilities. Substitute parts must maintain compatibility with the application's electrical requirements, thermal management capabilities, and mechanical mounting constraints.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	600	V
Continuous Drain Current (Id) @ 25°C	7	A
On-State Resistance (Rds On) @ 3.5A, 10V	950	mOhm
Gate Threshold Voltage (Vgs(th)) @ 100µA	4.5	V
Gate Charge (Qg) @ 10V	53	nC
Input Capacitance (Ciss) @ 25V	1110	pF
Power Dissipation (Max)	30	W
Operating Temperature Range	-55 to 150	°C
Mounting Type	Through Hole	-
Package Type	TO-220-3 Full Pack	-
Gate Voltage (Max)	±30	V

Substitute Part Grouping Explanation

Substitution compatibility for the STP9NK60ZFP is determined by the following critical parameters:

Voltage Rating: All substitute parts must maintain a Drain to Source Voltage (Vdss) rating of 600V to ensure safe operation in the application circuit.

Current Rating: The continuous drain current (Id) at 25°C must be sufficient to support the application load. The STP9NK60ZFP is rated at 7A; substitute parts with equal or higher current ratings are acceptable.

On-State Resistance (Rds On): This parameter directly affects power dissipation and thermal performance. Lower Rds On values reduce heat generation and improve efficiency.

Gate Charge (Qg): Lower gate charge values reduce switching losses and improve high-frequency performance.

Package and Mounting: All substitute parts must use through-hole mounting in TO-220 package variants to ensure mechanical compatibility with existing PCB layouts.

Operating Temperature Range: Substitute parts must support the full -55°C to 150°C operating range.

Compliance and Status: Active product status and RoHS3 compliance are preferred for new designs and long-term availability.

Parameter Comparison

Parameter	STP9NK60ZFP (Main)	FCPF7N60	FCPF7N60YDTU	FQPF7N60	IPA60R950C6XKSA1	IRFIB6N60APBF	R6004KNX	R6008FNX
Manufacturer	STMicroelectronics	onsemi	Fairchild Semiconductor	onsemi	Infineon Technologies	Vishay Siliconix	Rohm Semiconductor	Rohm Semiconductor
Vdss (V)	600	600	600	600	600	600	600	600
Id @ 25°C (A)	7	7	7	4.3	4.4	5.5	4	8
Rds On @ 10V (mOhm)	950 @ 3.5A	600 @ 3.5A	600 @ 3.5A	1000 @ 2.2A	950 @ 1.5A	750 @ 3.3A	980 @ 1.5A	950 @ 4A
Vgs(th) (V)	4.5 @ 100µA	5 @ 250µA	5 @ 250µA	5 @ 250µA	3.5 @ 130µA	4 @ 250µA	5 @ 1mA	4 @ 1mA
Qg @ 10V (nC)	53	30	30	38	13	49	10.2	20
Ciss @ 25V (pF)	1110	920	920	1430	280	1400	280	580
Power Dissipation (W)	30	31	31	48	26	60	40	50
Operating Temp Range (°C)	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150
Package Type	TO-220FP	TO-220F-3	TO-220F-3 (Y-Forming)	TO-220F-3	PG-TO220-FP	TO-220-3	TO-220FM	TO-220FM
Product Status	Active	Not For New Designs	Active	Obsolete	Obsolete	Active	Active	Active
RoHS3 Compliance	Yes	Yes	Not Specified	Yes	Yes	Yes	Yes	Yes

Engineering Selection Recommendations

Primary Substitutes (Active Status, Recommended for New Designs)

FCPF7N60YDTU (Fairchild Semiconductor) and IRFIB6N60APBF (Vishay Siliconix) are the preferred substitute options. Both parts maintain Active product status, ensuring long-term availability and supply chain stability. FCPF7N60YDTU matches the 7A current rating of the STP9NK60ZFP with improved on-state resistance (600mOhm vs. 950mOhm), resulting in lower power dissipation. IRFIB6N60APBF provides 5.5A continuous current with superior thermal performance (60W dissipation rating) and lower on-state resistance (750mOhm), making it suitable for applications requiring enhanced thermal headroom.

Secondary Substitutes (Active Status, Current Rating Considerations)

R6008FNX (Rohm Semiconductor) offers 8A continuous current rating, exceeding the STP9NK60ZFP specification and providing design margin for higher-load applications. R6004KNX (Rohm Semiconductor) provides 4A current rating with significantly lower gate charge (10.2nC), beneficial for high-frequency switching applications where gate drive power is a constraint.

Obsolete and Legacy Parts (Not Recommended for New Designs)

FQPF7N60 (onsemi) and IPA60R950C6XKSA1 (Infineon Technologies) carry Obsolete or Not For New Designs status. FCPF7N60 (onsemi) is marked Not For New Designs. These parts should be used only for legacy system maintenance or when existing inventory must be consumed.

Compliance Verification

All recommended substitute parts maintain RoHS3 compliance and REACH Unaffected status, consistent with the STP9NK60ZFP. All parts are classified under ECCN EAR99 and HTSUS 8541.29.0095.

Frequently Asked Questions (FAQ)

Q: Can FCPF7N60YDTU directly replace STP9NK60ZFP in existing designs?

A: Yes. Both parts share identical 600V voltage rating, 7A current rating, and TO-220 package family. The FCPF7N60YDTU features lower on-state resistance (600mOhm vs. 950mOhm), which reduces power dissipation and improves thermal performance. The Y-forming lead configuration requires verification against PCB hole spacing and lead bend specifications.

Q: What is the difference between TO-220FP, TO-220F-3, and TO-220FM packages?

A: All three are TO-220 family through-hole packages with identical electrical performance and pin configuration. The designations reflect manufacturer-specific packaging variants. TO-220FP indicates full pack with formed leads, TO-220F-3 specifies three-pin configuration, and TO-220FM indicates metal mounting tab. Mechanical compatibility depends on PCB hole spacing and thermal interface requirements. Verify lead spacing and tab isolation characteristics against PCB design specifications.

Q: Why does FQPF7N60 have lower current rating (4.3A) than STP9NK60ZFP (7A)?

A: FQPF7N60 is from the QFET® series with different internal design optimization. Despite lower continuous current rating, it provides higher power dissipation capability (48W vs. 30W), indicating different thermal and switching characteristics. This part is Obsolete and should not be selected for new designs.

Q: Is R6008FNX suitable for applications requiring exactly 7A continuous current?

A: Yes. R6008FNX provides 8A continuous current rating, which exceeds the 7A requirement. The higher current rating provides design margin and thermal headroom. On-state resistance (950mOhm @ 4A) is comparable to STP9NK60ZFP, ensuring similar power dissipation characteristics at the 7A operating point.

Q: What does gate charge (Qg) affect in MOSFET selection?

A: Gate charge directly impacts switching losses and gate drive circuit requirements. Lower gate charge values (such as R6004KNX at 10.2nC) reduce energy required per switching cycle, beneficial for high-frequency applications. Higher gate charge values (such as FQPF7N60 at 38nC) increase switching losses but may indicate different optimization for other parameters.

Q: Are all substitute parts rated for the full -55°C to 150°C operating range?

A: All listed substitute parts support the -55°C to 150°C operating temperature range, with the exception of R6008FNX which specifies 150°C maximum without explicit lower temperature limit in the provided data. Verify complete temperature specifications against application requirements.

Q: What is the significance of RoHS3 compliance for substitute part selection?

A: RoHS3 compliance ensures the part meets European Union Restriction of Hazardous Substances regulations, eliminating lead and other restricted materials. All recommended Active status parts maintain RoHS3 compliance, ensuring regulatory compliance and supply chain consistency with the primary STP9NK60ZFP part.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message