STN4NF06L N-Channel MOSFET 60V 4A Equivalent & Substitute Parts

Part Overview

The STN4NF06L is an N-Channel MOSFET manufactured by STMicroelectronics in the STripFET™ II series. This device is rated for 60V drain-to-source voltage with 4A continuous drain current and 3.3W maximum power dissipation in a Surface Mount SOT-223 package. The part is currently Active in product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when alternative sourcing is required for supply chain optimization, or when design flexibility permits selection from multiple qualified manufacturers offering compatible electrical and mechanical characteristics.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	60	V
Continuous Drain Current (Id) @ 25°C	4	A
On-State Resistance (Rds On) @ 1.5A, 10V	100	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	2.8	V
Gate Charge (Qg) @ 5V	9	nC
Input Capacitance (Ciss) @ 25V	340	pF
Power Dissipation (Max)	3.3	W
Operating Temperature Range	-55 to 150	°C
Package Type	SOT-223	Surface Mount
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the STN4NF06L is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Drain-to-Source Voltage (Vdss): 60V minimum
Continuous Drain Current (Id): 4A or greater at 25°C
On-State Resistance (Rds On): 100mOhm or lower at specified gate voltage
Gate Threshold Voltage (Vgs(th)): Within ±0.8V of 2.8V
Package Type: SOT-223 Surface Mount (TO-261-4 or TO-261AA case)
FET Type: N-Channel Enhancement Mode
Technology: Metal Oxide MOSFET
Compliance: ROHS3 compliant, MSL 1

Parametric Equivalent Classification: Parts meeting all primary criteria with identical or superior electrical performance within the specified operating range are classified as parametric equivalents.

Similar Part Classification: Parts meeting the primary voltage and package requirements but with variations in current rating, on-state resistance, or gate charge characteristics are classified as similar alternatives. These parts are suitable for applications where the specific performance variation does not impact circuit operation.

Parameter Comparison

Parameter	STN4NF06L	STN3NF06L	BSP318SH6327XTSA1	PJW4N06A-AU_R2_000A1	ZXMN6A08GTA	ZXMN6A11GTA
Manufacturer	STMicroelectronics	STMicroelectronics	Infineon Technologies	Panjit International Inc.	Diodes Incorporated	Diodes Incorporated
Vdss (V)	60	60	60	60	60	60
Id @ 25°C (A)	4	4	2.6	4	3.8	3.1
Rds On (mOhm)	100 @ 1.5A, 10V	100 @ 1.5A, 10V	90 @ 2.6A, 10V	100 @ 3A, 10V	80 @ 4.8A, 10V	120 @ 2.5A, 10V
Vgs(th) (V)	2.8 @ 250µA	2.8 @ 250µA	2 @ 20µA	2.5 @ 250µA	1 @ 250µA	3 @ 250µA
Qg (nC)	9 @ 5V	9 @ 5V	20 @ 10V	5.1 @ 4.5V	5.8 @ 10V	5.7 @ 10V
Ciss (pF)	340 @ 25V	340 @ 25V	380 @ 25V	509 @ 15V	459 @ 40V	330 @ 40V
Power Dissipation (W)	3.3	3.3	1.8	3.7	2	2
Operating Temperature (°C)	-55 to 150	-55 to 150	-55 to 150	-55 to 175	-55 to 150	-55 to 150
Package	SOT-223	SOT-223	PG-SOT223-4	SOT-223	SOT-223-3	SOT-223-3
Product Status	Active	Active	Last Time Buy	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Parametric Equivalent:

STN3NF06L (STMicroelectronics) is a parametric equivalent to the STN4NF06L. Both devices share identical electrical specifications across all critical parameters including 60V Vdss, 4A continuous drain current, 100mOhm Rds On, 2.8V gate threshold voltage, and 9nC gate charge. Both are manufactured by STMicroelectronics in the STripFET™ II series with Active product status. The STN3NF06L offers significantly higher inventory availability (72,446 pieces) compared to the STN4NF06L (3,300 pieces). This part is suitable for direct replacement in all applications without circuit modification.

Similar Alternatives:

BSP318SH6327XTSA1 (Infineon Technologies) is a similar alternative with 60V Vdss and SOT-223 package compatibility. This device is rated for 2.6A continuous drain current, which is lower than the STN4NF06L. The on-state resistance is 90mOhm at 2.6A, providing superior performance at lower current levels. Gate charge is higher at 20nC. This part carries Last Time Buy status, indicating limited future availability. Selection is appropriate only for applications where the 2.6A current rating is sufficient.

PJW4N06A-AU_R2_000A1 (Panjit International Inc.) is a similar alternative rated for 60V Vdss and 4A continuous drain current with 3.7W power dissipation. This device includes AEC-Q101 automotive qualification and operates to 175°C, extending the upper temperature range by 25°C. Gate charge is lower at 5.1nC, and input capacitance is higher at 509pF. This part is suitable for automotive applications requiring extended temperature range and qualification compliance.

ZXMN6A08GTA (Diodes Incorporated) is a similar alternative rated for 60V Vdss and 3.8A continuous drain current. This device features the lowest on-state resistance at 80mOhm when measured at 4.8A and 10V gate voltage. Gate charge is 5.8nC. This part is appropriate for applications prioritizing low on-state resistance and switching efficiency.

ZXMN6A11GTA (Diodes Incorporated) is a similar alternative rated for 60V Vdss and 3.1A continuous drain current. This device features 120mOhm on-state resistance and 5.7nC gate charge. Input capacitance is 330pF, matching the STN4NF06L specification. This part is suitable for applications where the 3.1A current rating is adequate.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and SOT-223 package compatibility. Selection should be based on specific application current requirements, thermal dissipation needs, and temperature operating range.

Frequently Asked Questions (FAQ)

Q: Can STN3NF06L be used as a direct replacement for STN4NF06L?

A: Yes. The STN3NF06L is a parametric equivalent with identical electrical specifications. All critical parameters including voltage rating, current rating, on-state resistance, gate threshold voltage, and gate charge are identical. Both devices use the same SOT-223 package and share the same thermal characteristics. Direct substitution is possible without circuit modification.

Q: What is the difference between parametric equivalent and similar alternative?

A: A parametric equivalent meets or exceeds all electrical specifications of the original part across the full operating range. A similar alternative meets the primary voltage and package requirements but may have variations in current rating, on-state resistance, gate charge, or other secondary parameters. Similar alternatives require application-specific evaluation to confirm suitability.

Q: Why does BSP318SH6327XTSA1 have Last Time Buy status?

A: Last Time Buy status indicates that the manufacturer has announced end-of-life for this product. Existing inventory may be available for a limited time, but future production is not planned. This part should be selected only when current availability is confirmed and long-term supply is not required.

Q: Which substitute part has the lowest on-state resistance?

A: ZXMN6A08GTA features the lowest on-state resistance at 80mOhm when measured at 4.8A and 10V gate voltage. This characteristic reduces power dissipation during conduction and is beneficial for applications requiring high efficiency.

Q: Is PJW4N06A-AU_R2_000A1 suitable for non-automotive applications?

A: Yes. While PJW4N06A-AU_R2_000A1 includes AEC-Q101 automotive qualification, this certification does not restrict use in non-automotive applications. The part meets all standard ROHS3 compliance requirements and can be used in any application where the electrical specifications are appropriate.

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

A: Gate charge affects switching speed and gate drive requirements. Lower gate charge (5.1 to 5.8nC in similar alternatives) enables faster switching compared to the STN4NF06L (9nC). Higher gate charge (20nC in BSP318SH6327XTSA1) requires more gate drive energy. Selection depends on circuit switching frequency and gate driver capability.

Q: Are all substitute parts available in the same packaging options?

A: All substitute parts are available in SOT-223 Surface Mount package with TO-261-4 or TO-261AA case designation. Packaging compatibility is confirmed across all listed alternatives.

Q: Which substitute part offers the highest operating temperature range?

A: PJW4N06A-AU_R2_000A1 operates to 175°C junction temperature, extending 25°C above the STN4NF06L specification of 150°C. This extended range is beneficial for high-temperature applications.

Q: Can ZXMN6A11GTA be used in applications requiring 4A continuous current?

A: ZXMN6A11GTA is rated for 3.1A continuous drain current, which is below the 4A requirement of the STN4NF06L. This part is not suitable for applications requiring sustained 4A operation. ZXMN6A08GTA (3.8A) or PJW4N06A-AU_R2_000A1 (4A) are more appropriate alternatives for this requirement.

Q: What inventory levels are available for each substitute part?

A: STN3NF06L offers the highest availability at 72,446 pieces. ZXMN6A08GTA provides 42,230 pieces. BSP318SH6327XTSA1 has 28,300 pieces. PJW4N06A-AU_R2_000A1 has 7,303 pieces. ZXMN6A11GTA has 6,047 pieces. Inventory levels should be confirmed with suppliers for current availability.

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