NTJS4405NT4G N-Channel MOSFET 25V 1A Equivalent & Substitute Parts

Part Overview

The NTJS4405NT4G is an N-Channel MOSFET manufactured by onsemi, rated for 25V drain-to-source voltage with 1A continuous drain current at 25°C. This device is housed in a 6-TSSOP/SC-88/SOT-363 surface mount package and is designed for general-purpose switching applications requiring low on-resistance performance.

The NTJS4405NT4G is classified as obsolete. Identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this component.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Technology	MOSFET (Metal Oxide)	—
Drain to Source Voltage (Vdss)	25	V
Continuous Drain Current (Id) @ 25°C	1	A
Rds On (Max) @ 600mA, 4.5V	350	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	1.5	V
Power Dissipation (Max)	630	mW
Operating Temperature Range	-55 to 150	°C
Package Type	6-TSSOP, SC-88, SOT-363	—
Mounting Type	Surface Mount	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the NTJS4405NT4G is determined by electrical and mechanical parameter compatibility within the N-Channel MOSFET category. The critical parameters governing substitution are:

Electrical Parameters:

Drain-to-source voltage rating (Vdss) must equal or exceed 25V
Continuous drain current (Id) must equal or exceed 1A at 25°C
On-resistance (Rds On) must not exceed 350mOhm at specified conditions
Gate threshold voltage (Vgs(th)) must be compatible with 1.5V maximum
Operating temperature range must encompass -55°C to 150°C

Mechanical Parameters:

Package type must be compatible with 6-TSSOP/SC-88/SOT-363 footprint
Surface mount mounting type required
Moisture sensitivity level must be MSL 1 or equivalent

Substitute Classification:

Direct Manufacturer Equivalent: NTJS4405NT1G meets all electrical and mechanical parameters identically. This part differs only in product status (active versus obsolete) and packaging format (Cut Tape & Digi-Reel versus unspecified original packaging).

Parametric Equivalent: NVJS4405NT1G meets all electrical and mechanical parameters identically. This part is qualified to AEC-Q101 automotive standard and carries active product status.

Similar Part: PMZ290UNE2YL is a Nexperia device with comparable electrical performance but operates at reduced voltage rating (20V versus 25V) and higher current capability (1.2A versus 1A). Package type differs (SOT-883 versus SC-88/SOT-363). This part is suitable only for applications where 20V rating is acceptable.

Parameter Comparison

Parameter	NTJS4405NT4G	NTJS4405NT1G	NVJS4405NT1G	PMZ290UNE2YL
Manufacturer	onsemi	onsemi	onsemi	Nexperia USA Inc.
FET Type	N-Channel	N-Channel	N-Channel	N-Channel
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)
Vdss (V)	25	25	25	20
Id @ 25°C (A)	1	1	1	1.2
Rds On Max @ 4.5V (mOhm)	350	350	350	320
Vgs(th) Max @ 250µA (V)	1.5	1.5	1.5	0.95
Gate Charge @ 4.5V (nC)	1.5	1.5	1.5	1.4
Vgs Max (V)	±8	±8	±8	±8
Ciss Max @ 10V (pF)	60	60	60	46
Power Dissipation Max (mW)	630	630	630	350
Operating Temperature (°C)	-55 to 150	-55 to 150	-55 to 150	-55 to 150
Package Type	6-TSSOP, SC-88, SOT-363	6-TSSOP, SC-88, SOT-363	6-TSSOP, SC-88, SOT-363	SC-101, SOT-883
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical and Mechanical Performance):

NTJS4405NT1G is the primary direct substitute for NTJS4405NT4G. Both parts are manufactured by onsemi and share identical electrical specifications, voltage ratings, current ratings, and on-resistance characteristics. NTJS4405NT1G carries active product status, ensuring long-term availability and supply chain continuity. This part is ROHS3 compliant and carries REACH Unaffected status. Selection of NTJS4405NT1G eliminates obsolescence risk while maintaining full design compatibility.

For Automotive and Qualified Applications:

NVJS4405NT1G is a parametric equivalent suitable for applications requiring automotive-grade components. This part meets AEC-Q101 qualification and carries active product status. Electrical and mechanical parameters are identical to NTJS4405NT4G. NVJS4405NT1G is ROHS3 compliant and REACH Unaffected. Selection of this part is appropriate for automotive and mission-critical applications where component qualification is required.

For Reduced Voltage Applications:

PMZ290UNE2YL is a Nexperia alternative suitable only for applications where the 25V rating is not required and 20V operation is acceptable. This part offers improved on-resistance (320mOhm versus 350mOhm) and higher current capability (1.2A versus 1A). However, PMZ290UNE2YL uses a different package type (SOT-883 versus SC-88/SOT-363), requiring PCB layout modification. This part is ROHS3 compliant and REACH Unaffected. Selection of PMZ290UNE2YL requires design verification and is not recommended as a direct footprint replacement.

Frequently Asked Questions (FAQ)

Q: Can NTJS4405NT1G be used as a direct replacement for NTJS4405NT4G?

A: Yes. NTJS4405NT1G is a direct electrical and mechanical equivalent. Both parts share identical Vdss (25V), Id (1A), Rds On (350mOhm), and package type (6-TSSOP/SC-88/SOT-363). The primary difference is product status: NTJS4405NT1G is active, while NTJS4405NT4G is obsolete. No design changes are required.

Q: What is the difference between NTJS4405NT1G and NVJS4405NT1G?

A: Both parts are parametric equivalents with identical electrical specifications. NVJS4405NT1G carries AEC-Q101 automotive qualification, making it suitable for automotive applications. NTJS4405NT1G is the standard industrial-grade version. Both are active products manufactured by onsemi.

Q: Can PMZ290UNE2YL replace NTJS4405NT4G in all applications?

A: No. PMZ290UNE2YL has a lower voltage rating (20V versus 25V) and uses a different package type (SOT-883 versus SC-88/SOT-363). This part is suitable only for applications where 20V operation is acceptable and PCB layout can accommodate the different footprint. Applications requiring 25V rating must use NTJS4405NT1G or NVJS4405NT1G.

Q: Are all substitute parts ROHS3 compliant?

A: NTJS4405NT1G, NVJS4405NT1G, and PMZ290UNE2YL are all ROHS3 compliant. The original NTJS4405NT4G does not specify RoHS status. All substitute parts carry REACH Unaffected status.

Q: What is the moisture sensitivity level for these parts?

A: All parts listed (NTJS4405NT4G, NTJS4405NT1G, NVJS4405NT1G, and PMZ290UNE2YL) carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.

Q: Can these parts operate across the full temperature range of -55°C to 150°C?

A: Yes. All listed parts support the operating temperature range of -55°C to 150°C (junction temperature). No thermal derating is required within this range based on the provided specifications.

Q: What packaging formats are available for NTJS4405NT1G?

A: NTJS4405NT1G is available in Cut Tape (CT) and Digi-Reel packaging formats. NVJS4405NT1G is available in Tape & Reel (TR) format. Packaging selection depends on production volume and assembly requirements.

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