FCD620N60ZF Equivalent & Substitute Parts

Part Overview

The FCD620N60ZF is an N-Channel 600V 7.3A MOSFET manufactured by onsemi in the HiPerFET™ and Polar™ series. This device is housed in a TO-252AA (DPAK) surface mount package and is rated for 89W maximum power dissipation. The part is classified as "Not For New Designs," indicating it has reached end-of-life status. Identifying equivalent and substitute parts is necessary for ongoing maintenance, repair, and legacy system support where the original component is no longer available or procurement becomes difficult.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain to Source Voltage (Vdss)	600	V
Continuous Drain Current (Id) @ 25°C	7.3	A
Rds On (Max) @ Id, Vgs	620 mOhm @ 3.6A, 10V	—
Gate Charge (Qg) @ Vgs	36 nC @ 10V	—
Input Capacitance (Ciss) @ Vds	1135 pF @ 25V	—
Power Dissipation (Max)	89	W
Operating Temperature Range	-55 to 150	°C
Package Type	TO-252-3 (DPAK)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the FCD620N60ZF is determined by the following critical parameters:

Voltage Rating (Vdss): The substitute must meet or exceed 600V to maintain circuit protection and reliability. Parts rated at 650V are acceptable as they provide additional voltage margin.

Drain Current (Id): The substitute must support the required continuous drain current. The FCD620N60ZF operates at 7.3A; substitutes rated at 7A or higher are functionally compatible.

On-State Resistance (Rds On): This parameter directly affects power dissipation and thermal performance. Substitutes with lower Rds On values improve efficiency; higher values increase heat generation but remain acceptable if power dissipation limits are not exceeded.

Package Type: All substitutes must use the TO-252-3 (DPAK) surface mount package to ensure mechanical and electrical compatibility with existing PCB layouts.

Gate Charge (Qg) and Input Capacitance (Ciss): These parameters affect switching speed and drive circuit requirements. Variations are acceptable within the range of active substitute parts.

Operating Temperature Range: The substitute must support the application's thermal requirements. The FCD620N60ZF operates from -55°C to 150°C; substitutes with equivalent or wider ranges are suitable.

Compliance and Status: Active product status and ROHS3 compliance ensure long-term availability and regulatory conformance.

Parameter Comparison

Parameter	FCD620N60ZF (onsemi)	STD10N60M2 (STMicroelectronics)	STD10NM60N (STMicroelectronics)	STD11NM60ND (STMicroelectronics)	R6013VND3TL1 (Rohm)	R6009RND3TL1 (Rohm)	IPD65R650CEAUMA1 (Infineon)	IXTY4N65X2 (IXYS)
Vdss (V)	600	600	600	600	600	600	650	650
Id @ 25°C (A)	7.3	7.5	10	10	13	9	7	4
Rds On (mOhm)	620 @ 3.6A, 10V	600 @ 3A, 10V	550 @ 4A, 10V	450 @ 5A, 10V	300 @ 3A, 15V	665 @ 4.5A, 15V	650 @ 2.1A, 10V	850 @ 2A, 10V
Qg (nC)	36 @ 10V	13.5 @ 10V	19 @ 10V	30 @ 10V	21 @ 10V	22 @ 15V	23 @ 10V	8.3 @ 10V
Ciss (pF)	1135 @ 25V	400 @ 100V	540 @ 50V	850 @ 50V	900 @ 100V	640 @ 100V	440 @ 100V	455 @ 25V
Power Dissipation (W)	89	85	70	90	131	125	86	80
Operating Temp (°C)	-55 to 150	-55 to 150	-55 to 150	—150	—150	—150	-40 to 150	-55 to 150
Package	TO-252-3 (DPAK)	TO-252-3 (DPAK)	TO-252-3 (DPAK)	TO-252-3 (DPAK)	TO-252-3 (DPAK)	TO-252-3 (DPAK)	TO-252-3 (DPAK)	TO-252-3 (DPAK)
Product Status	Not For New Designs	Active	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	Not specified	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

STD10N60M2, STD10NM60N, and STD11NM60ND from STMicroelectronics are the preferred substitutes. All three maintain the 600V voltage rating, support continuous drain currents at or above 7.3A, use the identical TO-252-3 (DPAK) package, and carry Active product status with ROHS3 compliance. STD10N60M2 provides the closest electrical match with 7.5A rating and 600 mOhm Rds On. STD10NM60N and STD11NM60ND offer higher current ratings (10A) with improved Rds On characteristics, reducing thermal load in the application.

Secondary Substitutes (Acceptable with Application Review):

R6013VND3TL1 and R6009RND3TL1 from Rohm Semiconductor are rated at 600V with higher continuous drain currents (13A and 9A respectively). These parts feature lower Rds On values, improving efficiency. However, operating temperature specifications list only a maximum of 150°C without a minimum temperature range. Moisture Sensitivity Level and REACH compliance information are not provided in the data. These parts are suitable for applications where the lower temperature limit is not critical.

IPD65R650CEAUMA1 from Infineon Technologies operates at 650V, providing additional voltage margin. The 7A continuous drain current matches the FCD620N60ZF requirement. This part carries Active status and ROHS3 compliance. The Moisture Sensitivity Level is rated at 3 (168 Hours), requiring controlled storage conditions. The operating temperature range begins at -40°C, which may not be suitable for applications requiring -55°C operation.

IXTY4N65X2 from IXYS is rated at 650V with 4A continuous drain current. This part is below the FCD620N60ZF current rating and is suitable only for applications with reduced current requirements. It carries Active status, ROHS3 compliance, and MSL 1 rating.

Compliance Considerations:

All recommended substitutes maintain ROHS3 compliance and EAR99 export classification. Parts with MSL 1 rating (STMicroelectronics and IXYS) require no special moisture control during storage and handling. The Infineon part (IPD65R650CEAUMA1) with MSL 3 rating requires controlled humidity storage (≤60% RH) for 168 hours after opening.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute with a higher voltage rating (650V) instead of 600V?

A: Yes. A higher voltage rating provides additional safety margin and does not compromise circuit operation. The 650V-rated parts (IPD65R650CEAUMA1 and IXTY4N65X2) are electrically compatible with 600V applications.

Q: What is the impact of different Rds On values on my circuit?

A: On-state resistance directly affects power dissipation and heat generation. Lower Rds On values reduce power loss and operating temperature. For example, STD11NM60ND has 450 mOhm Rds On compared to FCD620N60ZF at 620 mOhm, resulting in approximately 27% lower conduction losses at the same current. Higher Rds On values increase heat dissipation but remain acceptable if the thermal design accommodates the additional power.

Q: Are all substitutes pin-compatible with the FCD620N60ZF?

A: Yes. All listed substitutes use the TO-252-3 (DPAK) package with identical pin configuration (2 leads plus tab). Direct PCB replacement is possible without layout modifications.

Q: What does "Not For New Designs" mean for the FCD620N60ZF?

A: This designation indicates the part has reached end-of-life status and onsemi no longer recommends it for new circuit designs. Existing inventory may be available, but long-term supply is not guaranteed. Substitution with an Active-status part ensures future availability and ongoing manufacturer support.

Q: How do gate charge differences affect my drive circuit?

A: Gate charge (Qg) determines the energy required to switch the MOSFET. The FCD620N60ZF requires 36 nC at 10V. Substitutes with lower gate charge (such as IXTY4N65X2 at 8.3 nC) reduce drive circuit power consumption and allow faster switching. Higher gate charge values (such as STD11NM60ND at 30 nC) require more drive energy but remain compatible with standard gate driver circuits.

Q: What is the significance of Moisture Sensitivity Level (MSL)?

A: MSL 1 (Unlimited) parts have no moisture absorption restrictions and can be stored in standard conditions indefinitely. MSL 3 (168 Hours) parts, such as IPD65R650CEAUMA1, must be stored in controlled humidity (≤60% RH) and used within 168 hours of opening the sealed package. Exceeding this window requires baking the component at 125°C for 24 hours before use.

Q: Can I use IXTY4N65X2 as a direct replacement?

A: IXTY4N65X2 is mechanically compatible but has a continuous drain current rating of only 4A, compared to the FCD620N60ZF at 7.3A. This part is suitable only for applications with reduced current requirements or as a substitute in circuits where the actual operating current is below 4A. For full current capacity replacement, use STMicroelectronics or Rohm alternatives.

Q: Which substitute offers the best thermal performance?

A: R6013VND3TL1 from Rohm offers the lowest Rds On value at 300 mOhm (measured at 3A, 15V), resulting in the lowest conduction losses and best thermal performance. STD11NM60ND at 450 mOhm (measured at 5A, 10V) is the second-best option among 600V-rated parts. Both parts support higher continuous drain currents than the original FCD620N60ZF.

Q: Are there any temperature range limitations I should consider?

A: The FCD620N60ZF operates from -55°C to 150°C. STMicroelectronics and IXYS substitutes maintain this full range. Rohm parts and IPD65R650CEAUMA1 have limited low-temperature specifications. If your application requires operation below -40°C, use STMicroelectronics (STD10N60M2, STD10NM60N, STD11NM60ND) or IXYS (IXTY4N65X2) parts.

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