NCP335FCT2G Equivalent & Substitute Parts

Part Overview

The NCP335FCT2G is an active power switch manufactured by onsemi, designed for high-side P-channel load switching applications. This component operates as a 1:1 power switch/driver with a maximum output current of 2A and is housed in a 4-WLCSP (0.96x0.96mm) package. The device is currently in active production status and is RoHS3 compliant. Equivalent and substitute parts are identified to provide design flexibility, support supply chain continuity, and accommodate specific application requirements such as package preferences or thermal operating ranges.

Substiute Parts

NCP335FCT2G

onsemiIn Stock: 42282NCP335FCT2G Datasheet

Current PartRFQ

BUS1DJC0GWZ-E2

Rohm SemiconductorIn Stock: 7889BUS1DJC0GWZ-E2 Datasheet

SimilarRFQ

BUS1DJC3GWZ-E2

Rohm SemiconductorIn Stock: 12393BUS1DJC3GWZ-E2 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the NCP335FCT2G are qualified based on the following electrical and mechanical parameters:

Core Functional Requirements:

• Output Type: P-Channel
• Output Configuration: High Side
• Ratio - Input:Output: 1:1
• Number of Outputs: 1
• Switch Type: General Purpose
• Interface: On/Off
• Input Type: Non-Inverting

Electrical Performance Parameters:

• Current - Output (Max): 2A
• Voltage - Load: Minimum 1.1V (substitute tolerance)
• Rds On (Typ): Within acceptable range for application
• Features: Load Discharge, Slew Rate Controlled

Physical & Environmental Parameters:

• Mounting Type: Surface Mount
• Operating Temperature Range: Minimum -30°C to 85°C (substitute tolerance)
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: MSL 1 or MSL 3

Package Considerations: Substitute parts utilize alternative ultra-compact packages (UCSP30L1, 4-XFBGA, CSPBGA) that maintain functional equivalence while offering different form factors and thermal characteristics.

Parameter Comparison

Engineering Selection Recommendations

NCP335FCT2G (onsemi): Primary selection for applications requiring the widest load voltage range (1.2V ~ 5.5V) and extended operating temperature range (-40°C ~ 125°C). Lowest on-resistance (38Ohm) minimizes power dissipation. MSL 1 rating provides unlimited moisture sensitivity tolerance. Recommended for high-reliability applications and extended temperature environments.

BUS1DJC0GWZ-E2 (Rohm Semiconductor): Suitable for applications operating within 1.1V ~ 5V load voltage and -30°C ~ 85°C temperature range. Lower on-resistance (58mOhm) compared to BUS1DJC3GWZ-E2. MSL 1 rating matches NCP335FCT2G moisture sensitivity. UCSP30L1 package offers ultra-compact form factor. Active product status and ROHS3 compliance maintained.

BUS1DJC3GWZ-E2 (Rohm Semiconductor): Applicable for applications within 1.1V ~ 5V load voltage and -30°C ~ 85°C temperature range. Includes short circuit fault protection. Higher on-resistance (140mOhm) results in increased power dissipation compared to other options. MSL 3 rating requires controlled moisture exposure (168 hours maximum). UCSP30L1 package provides ultra-compact integration. Active product status and ROHS3 compliance maintained.

All substitute parts maintain functional equivalence in core switching characteristics, output configuration, and interface topology. Selection should account for specific thermal requirements, moisture handling procedures, and on-resistance performance needs of the target application.

Frequently Asked Questions (FAQ)

Q: What are the primary substitution criteria for the NCP335FCT2G?

A: Substitutes must maintain P-channel high-side output configuration, 1:1 input-output ratio, single output topology, 2A maximum output current, non-inverting input type, on/off interface, and load discharge with slew rate control features. All parts must be surface-mount, RoHS3 compliant, and active production status.

Q: How do the operating temperature ranges differ between the main part and substitutes?

A: The NCP335FCT2G operates from -40°C to 125°C (junction temperature), providing a 40°C lower minimum and 40°C higher maximum compared to the Rohm substitutes (BUS1DJC0GWZ-E2 and BUS1DJC3GWZ-E2), which operate from -30°C to 85°C (ambient temperature). Applications requiring extended low-temperature operation or higher thermal environments should prioritize the NCP335FCT2G.

Q: What is the significance of on-resistance (Rds On) differences?

A: The NCP335FCT2G exhibits 38Ohm typical on-resistance, BUS1DJC0GWZ-E2 exhibits 58mOhm, and BUS1DJC3GWZ-E2 exhibits 140mOhm. Lower on-resistance reduces power dissipation and heat generation during switching operations. Applications with high current density or thermal constraints should prioritize lower on-resistance values.

Q: How do package differences affect substitution?

A: The NCP335FCT2G uses 4-UFBGA/WLCSP packaging, while both Rohm substitutes use UCSP30L1 (4-XFBGA/CSPBGA) packaging. Both are ultra-compact surface-mount packages suitable for space-constrained applications. PCB layout and assembly process compatibility must be verified for the target package type.

Q: What is the difference between MSL 1 and MSL 3 moisture sensitivity ratings?

A: MSL 1 (Unlimited) allows indefinite storage without moisture control. MSL 3 (168 Hours) requires controlled moisture exposure, limiting storage to 168 hours at specified humidity levels before reflow soldering. The NCP335FCT2G and BUS1DJC0GWZ-E2 carry MSL 1 ratings, while BUS1DJC3GWZ-E2 carries MSL 3. Applications with extended storage or high-humidity environments should prioritize MSL 1 rated components.

Q: Does BUS1DJC3GWZ-E2 short circuit protection affect substitution suitability?

A: Short circuit fault protection in BUS1DJC3GWZ-E2 provides additional circuit protection but is not present in the NCP335FCT2G or BUS1DJC0GWZ-E2. This feature does not prevent substitution but represents an additional capability. Applications requiring explicit short circuit protection may benefit from BUS1DJC3GWZ-E2 selection.

Q: Are all substitute parts currently available?

A: All parts maintain active production status. Inventory availability is subject to current supply conditions and should be verified with component distributors prior to design commitment.