2N7002-G N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The 2N7002-G is an N-Channel MOSFET manufactured by Comchip Technology, rated for 60V drain-to-source voltage with 250mA continuous drain current in a surface mount SOT-23-3 package. This device is classified as obsolete product status. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for production and repair applications. Substitute parts maintain electrical compatibility while offering active product status and improved supply chain availability.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain to Source Voltage (Vdss)	60	V
Continuous Drain Current (Id) @ 25°C	250	mA
Rds On (Max) @ 250mA, 10V	3	Ohm
Gate Threshold Voltage (Vgs(th)) @ 250µA	2.5	V
Power Dissipation (Max)	350	mW
Operating Temperature Range	-55 to 150	°C
Package Type	SOT-23-3	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution logic for the 2N7002-G is based on the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Drain-to-Source Voltage (Vdss): 60V (exact match required)
FET Type: N-Channel (exact match required)
Package: SOT-23-3 or equivalent TO-236-3/SC-59 (mechanical compatibility)
Technology: MOSFET Metal Oxide (exact match required)
RoHS Compliance: ROHS3 Compliant (regulatory requirement)
Operating Temperature: -55°C to 150°C (functional range)

Secondary Consideration:

Continuous Drain Current (Id): The 2N7002-G specifies 250mA. Substitute parts with lower Id ratings (115mA) are functionally compatible in applications where the circuit current demand does not exceed the substitute part's rating. Higher Id ratings provide additional design margin.

Packaging Compatibility: All substitute parts use SOT-23-3 surface mount packaging, ensuring mechanical and thermal compatibility with the original design footprint.

Parameter Comparison

Parameter	2N7002-G (Comchip)	2N7002-HF (Comchip)	2N7002 (UMW)	2N7002-TP (MCC)	2N7002L (onsemi)	2N7002LT1G (onsemi)	2N7002LT3G (onsemi)
Manufacturer	Comchip	Comchip	UMW	Micro Commercial Co	onsemi	onsemi	onsemi
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
Vdss (V)	60	60	60	60	60	60	60
Id @ 25°C (mA)	250	250	115	115	115	115	115
Rds On (Max) @ 10V (Ohm)	3	3	5	7.5	7.5	7.5	7.5
Vgs(th) @ 250µA (V)	2.5	2.5	2.5	2.5	2.5	2.5	2.5
Power Dissipation (Max) (mW)	350	350	225	200	200	225	225
Operating Temperature (°C)	-55 to 150	-55 to 150	0 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150
Package	SOT-23-3	SOT-23-3	SOT-23	SOT-23	SOT-23-3	SOT-23-3	SOT-23-3
RoHS Status	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3
Inventory Status	2,300 Pcs	14,557 Pcs	1,000,100 Pcs	100,400 Pcs	102,100 Pcs	360,300 Pcs	30,396 Pcs

Engineering Selection Recommendations

Direct Equivalent (Highest Compatibility): The 2N7002-HF (Comchip Technology) is the direct equivalent to the 2N7002-G. Both parts share identical electrical specifications including 250mA continuous drain current, 3Ohm Rds On, and 350mW power dissipation. The 2N7002-HF is active product status with significantly higher inventory availability (14,557 units). This part is the primary recommendation for direct substitution.

Functional Substitutes (Lower Current Rating): The 2N7002-TP (Micro Commercial Co), 2N7002L (onsemi), 2N7002LT1G (onsemi), and 2N7002LT3G (onsemi) are functional substitutes with reduced continuous drain current ratings (115mA versus 250mA). These parts maintain the 60V Vdss rating, SOT-23-3 packaging, and ROHS3 compliance. Selection of these parts is appropriate for applications where circuit current requirements do not exceed 115mA. All four parts carry active product status.

Compliance and Regulatory Status: All substitute parts maintain ROHS3 compliance, REACH unaffected status, and identical EAR99 export classification. Moisture sensitivity level remains MSL 1 (unlimited) across all options.

Temperature Range Consideration: The UMW 2N7002 specifies 0°C to 150°C operating range, which is narrower than the original 2N7002-G specification of -55°C to 150°C. This part is suitable only for applications not requiring low-temperature operation below 0°C.

Frequently Asked Questions (FAQ)

Q: Can I use 2N7002-HF as a direct replacement for 2N7002-G? A: Yes. The 2N7002-HF is electrically and mechanically identical to the 2N7002-G. Both parts have 60V Vdss, 250mA continuous drain current, 3Ohm Rds On, and SOT-23-3 packaging. The primary difference is product status: 2N7002-HF is active while 2N7002-G is obsolete.

Q: What is the difference between 2N7002-G and the lower-current alternatives? A: The 2N7002-G supports 250mA continuous drain current, while 2N7002-TP, 2N7002L, 2N7002LT1G, and 2N7002LT3G support 115mA. All maintain 60V Vdss and SOT-23-3 packaging. Use lower-current parts only if your circuit current does not exceed 115mA.

Q: Are all substitute parts RoHS compliant? A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the original 2N7002-G regulatory status.

Q: Does package compatibility differ between SOT-23 and SOT-23-3? A: SOT-23 and SOT-23-3 are equivalent designations for the same three-lead surface mount package (TO-236-3, SC-59). All listed parts are mechanically compatible with the original PCB footprint.

Q: Which substitute part has the best supply availability? A: The 2N7002LT1G (onsemi) has the highest inventory at 360,300 units. The UMW 2N7002 has 1,000,100 units but operates only to 0°C minimum temperature.

Q: Can I use UMW 2N7002 in a design requiring -55°C operation? A: No. The UMW 2N7002 specifies 0°C to 150°C operating range. For applications requiring -55°C operation, use 2N7002-HF, 2N7002-TP, 2N7002L, 2N7002LT1G, or 2N7002LT3G.

Q: What is the Rds On difference between 2N7002-G and lower-current substitutes? A: The 2N7002-G has 3Ohm Rds On @ 250mA, 10V. The lower-current substitutes have 5-7.5Ohm Rds On @ 500mA, 10V. Higher Rds On increases power dissipation in high-current applications.

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