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FPF3381UCX The FPF3381UCX from On Semiconductor is a single-channel over-voltage protection switch with integrated TVS and low on-resistance. It operates from 2.8V to 23V and supports up to 5A continuous current.
Mfr Part #:

FPF3381UCX

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The FPF3381UCX from On Semiconductor is a single-channel over-voltage protection switch with integrated TVS and low on-resistance. It operates from 2.8V to 23V and supports up to 5A continuous current.
✓ Total Stock: 240,000 pcs
$ Price Range: $0.32

FPF3381UCX Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
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240,000 pcs
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240000 pcs On Request 1 On Request On Request On Request On Request On Request
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FPF3381UCX Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Fault Protection
Input Type
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Ratio
Rds On (Typ)
Supplier Device Package
Supplier Package
Switch Type
Voltage
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FPF3381UCX Description

Short technical summary and product information.

The FPF3381UCX is an over-voltage protection (OVP) switch from On Semiconductor, featuring an integrated N-channel MOSFET designed for downstream component protection. It operates within an input voltage range of 2.8V to 23V and can handle a maximum continuous current of 5A. When the input voltage exceeds a predefined threshold, the internal FET rapidly turns off to prevent damage.

 

Key features include integrated ±110V surge protection based on IEC61000-4-5 standards, and robust ESD performance with ±4kV HBM and ±2kV CDM ratings. The device also offers system-level ESD protection up to ±10kV contact discharge and ±15kV air gap discharge per IEC61000-4-2.

 

This OVP switch boasts a low typical on-resistance of 15mΩ and a super-fast OVLO response time of 40ns. It includes over-temperature protection (thermal shutdown) and an active-low enable pin. The device is available in a compact 12-bump WLCSP package and operates over a free-air temperature range of -40°C to +85°C.

 

Typical applications for the FPF3381UCX include mobile phones, PDAs, and GPS devices, where reliable power protection is critical.

FPF3381UCX Quick Information

Product Type: Over-Voltage Protection Switch
Canonical Name: FPF3381UCX Over-Voltage Protection Switch
Subcategory: Load Drivers

FPF3381UCX Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

FPF3381UCX Estimated Pricing

Qty Low High
1+ $0.32 $0.32

Estimated market price range - modelled values for guidance only, not live distributor offers.

FPF3381UCX Features

  • 28V rated over-voltage protection.
  • 5A maximum continuous current.
  • Low 15mΩ typical on-resistance.
  • Integrated ±110V TVS surge protection.
  • Robust ESD and thermal protection.

FPF3381UCX Applications

  • Protects mobile phone power inputs.
  • Safeguards downstream components in PDAs.
  • Ensures power integrity for GPS devices.
  • Used in portable electronic power systems.

FPF3381UCX FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the FPF3381UCX?

The maximum input voltage is 28 V.

What is the operating temperature range?

-40°C to +85°C.

What package is the FPF3381UCX available in?

12-UFBGA, WLCSP (12-WLCSP 1.83x1.29).

What is the continuous current rating?

5 A.

What is the typical on-resistance?

15 mOhm.

What ESD protection does it provide?

±4 kV HBM, ±2 kV CDM, ±10 kV contact discharge, ±15 kV air gap discharge.

What over-voltage protection features are included?

Over-voltage protection up to 28 V with 40 ns typical response time, and integrated TVS surge protection up to ±110 V.

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