NDF08N60ZG N-Channel 600V 8.4A MOSFET Equivalent & Substitute Parts

Part Overview

The NDF08N60ZG is an N-Channel 600V 8.4A MOSFET manufactured by onsemi in TO-220FP package configuration. This device is classified as obsolete product status. The part operates across a temperature range of -55°C to 150°C and is designed for through-hole mounting applications requiring high-voltage switching capability. Due to obsolete status, equivalent and substitute parts from active product lines provide continuity for design requirements and procurement needs.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	600	V
Continuous Drain Current (Id) @ 25°C	8.4	A
Rds On (Max) @ Id, Vgs	950 mOhm @ 3.5A, 10V	mOhm
Gate Threshold Voltage Vgs(th) (Max)	4.5	V @ 100µA
Gate Charge (Qg) (Max) @ Vgs	39	nC @ 10V
Power Dissipation (Max)	36	W
Operating Temperature Range	-55 to 150	°C
Package Type	TO-220FP	Through Hole

Substitute Part Grouping Explanation

Substitution of the NDF08N60ZG is determined by the following critical parameters:

Voltage Rating Compatibility: All substitute parts maintain 600V Vdss minimum rating, with STF10N65K3 rated at 650V providing additional voltage margin.

Current Capability: The NDF08N60ZG specifies 8.4A continuous drain current. Substitute parts range from 4A to 10A, allowing selection based on application current requirements. Parts with lower current ratings (4A to 5A) are suitable for applications not requiring full 8.4A capacity. STF10N65K3 at 10A and R6008FNX at 8A provide equivalent or higher current handling.

On-Resistance (Rds On): The main part specifies 950 mOhm maximum at 3.5A, 10V gate voltage. Substitute parts maintain comparable Rds On values between 950 mOhm and 1.2 Ohm, ensuring similar switching losses and thermal performance.

Gate Charge (Qg): The NDF08N60ZG specifies 39 nC at 10V. Substitute parts range from 8 nC to 53 nC, affecting switching speed and gate drive requirements.

Package Configuration: All substitute parts use TO-220 package variants (TO-220FP, TO-220F-3, TO-220FM), maintaining mechanical and thermal compatibility with through-hole mounting.

Operating Temperature: All parts support -55°C to 150°C operating range, ensuring thermal compatibility.

Parameter Comparison

Parameter	NDF08N60ZG	STF10N65K3	STF7N60M2	R6004ENX	R6008FNX	FQPF7N60	STP9NK60ZFP	STF6N60M2
Manufacturer	onsemi	STMicroelectronics	STMicroelectronics	Rohm Semiconductor	Rohm Semiconductor	onsemi	STMicroelectronics	STMicroelectronics
Vdss (V)	600	650	600	600	600	600	600	600
Id @ 25°C (A)	8.4	10	5	4	8	4.3	7	4.5
Rds On (mOhm)	950 @ 3.5A	1000 @ 3.6A	950 @ 2.5A	980 @ 1.5A	950 @ 4A	1000 @ 2.2A	950 @ 3.5A	1200 @ 2.25A
Vgs(th) (V)	4.5 @ 100µA	4.5 @ 100µA	4 @ 250µA	4 @ 1mA	4 @ 1mA	5 @ 250µA	4.5 @ 100µA	4 @ 250µA
Qg (nC)	39 @ 10V	42 @ 10V	8.8 @ 10V	15 @ 10V	20 @ 10V	38 @ 10V	53 @ 10V	8 @ 10V
Power Dissipation (W)	36	35	20	40	50	48	30	20
Operating Temp (°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	TO-220FP	TO-220FP	TO-220FP	TO-220FM	TO-220FM	TO-220F-3	TO-220FP	TO-220FP
Product Status	Obsolete	Active	Active	Active	Active	Obsolete	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes for Direct Replacement:

STF10N65K3 and R6008FNX provide the closest electrical equivalence to NDF08N60ZG. STF10N65K3 offers 10A current capability with 650V voltage rating and active product status with ROHS3 compliance. R6008FNX provides 8A current rating matching the original specification with 50W power dissipation and active product status.

Current-Reduced Substitutes:

STF7N60M2 and STP9NK60ZFP operate at 5A and 7A respectively, suitable for applications where full 8.4A capacity is not required. Both maintain 600V voltage rating, active product status, and ROHS3 compliance. STF7N60M2 features reduced gate charge (8.8 nC) and lower power dissipation (20W), beneficial for gate-drive-limited applications.

Lower-Current Alternatives:

R6004ENX (4A) and FQPF7N60 (4.3A) serve applications requiring reduced current handling. R6004ENX maintains active product status and ROHS3 compliance. FQPF7N60 is obsolete but available in inventory.

Compliance Considerations:

All active substitute parts (STF10N65K3, STF7N60M2, R6004ENX, R6008FNX, STP9NK60ZFP, STF6N60M2) carry ROHS3 compliance certification. All parts maintain REACH Unaffected status and EAR99 export classification.

Thermal Performance:

R6008FNX and FQPF7N60 provide highest power dissipation ratings (50W and 48W respectively), suitable for high-power applications. STF7N60M2 and STF6N60M2 feature reduced power dissipation (20W), appropriate for thermally constrained designs.

Frequently Asked Questions (FAQ)

Q: Can STF10N65K3 directly replace NDF08N60ZG?

A: STF10N65K3 provides electrical compatibility with higher current (10A vs 8.4A) and voltage (650V vs 600V) ratings. Package configuration (TO-220FP) matches identically. Active product status and ROHS3 compliance provide supply continuity advantages over the obsolete NDF08N60ZG.

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

A: All three are TO-220 through-hole variants with identical pin configuration and mechanical footprint. Differences exist in lead forming and thermal characteristics. TO-220FP and TO-220FM are fully compatible for PCB mounting. TO-220F-3 maintains identical electrical and thermal performance with minor mechanical variations.

Q: Which substitute part has the lowest gate charge?

A: STF6N60M2 specifies 8 nC gate charge at 10V, the lowest among all substitutes. This reduces gate drive power requirements and enables faster switching transitions. However, current rating is limited to 4.5A.

Q: Are all substitute parts RoHS compliant?

A: All active product status substitutes (STF10N65K3, STF7N60M2, R6004ENX, R6008FNX, STP9NK60ZFP, STF6N60M2) carry ROHS3 compliance. FQPF7N60 is obsolete and compliance status is not specified.

Q: What is the maximum gate voltage for all parts?

A: NDF08N60ZG, STF10N65K3, STP9NK60ZFP, and R6008FNX support ±30V maximum gate voltage. STF7N60M2 and STF6N60M2 support ±25V. R6004ENX supports ±20V. Gate drive circuits must not exceed these ratings.

Q: Which substitute provides the best on-resistance match?

A: STF7N60M2, STP9NK60ZFP, and R6008FNX all specify 950 mOhm Rds On, identical to NDF08N60ZG. These parts provide equivalent switching loss characteristics and thermal performance at their respective current ratings.

Q: Can lower-current parts (4A-5A) be used in 8.4A applications?

A: No. Current rating represents maximum continuous drain current. Using parts rated below application current requirements causes excessive junction temperature rise and device failure. Select parts with current ratings equal to or exceeding application requirements.

Q: What inventory availability exists for active substitutes?

A: STF10N65K3 (15,326 pcs), STF7N60M2 (15,426 pcs), STP9NK60ZFP (15,326 pcs), and STF6N60M2 (15,465 pcs) maintain substantial active inventory. R6004ENX (4,205 pcs) and R6008FNX (915 pcs) provide lower but adequate stock levels.

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