MF-PSMF050X-2

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MF-PSMF050X-2

+BOM

PTC RESET FUSE 6V 500MA 0805

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Specifications

Attribute Value
Package / Case Tape & Reel (TR),Cut Tape (CT)
Series Multifuse®, MF-PSMF
Part Status Active
Type Polymeric
Voltage - Max 6V
Current - Max 40 A
Current - Hold(Ih)(Max) 500 mA
Current - Trip(It) 1 A
Timeto Trip 100 ms
Resistance - Initial(Ri)(Min) 150 mOhms
Resistance - Post Trip(R1)(Max) 900 mOhms
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Size / Dimension 0.085 L x 0.053 W (2.15mm x 1.35mm)
Thickness(Max) 0.033 (0.85mm)

Overview

Description

The MF-PSMF050X-2 is a resettable fuse (PPTC) designed for overcurrent protection in electronic circuits. Key features include:
- Rated current: 5.0A
- Voltage rating: 30V DC
- Hold current (Iₕ): 5A (typical)
- Trip current (Iₜ): 10A (minimum)
- Low resistance: ~9mΩ (max)
It automatically resets after fault clearance, eliminating the need for replacement. Commonly used in power supplies, batteries, and USB ports, it safeguards against short circuits and overloads. Compact and reliable, it suits space-constrained applications.
For detailed specs, refer to the manufacturer’s datasheet.

Equivalent

Equivalent products to the MF-PSMF050X-2 (a resettable fuse/PTC) include:
- Bourns MF-R050
- TE Connectivity RUEF050
- Littelfuse 050 Series (e.g., 050-300UPR)
- Raychem PolySwitch RXE050
These are resettable fuses with similar ratings (50V, 0.5A hold current). Verify specs (trip current, max voltage, size) for exact compatibility.

Features

The MF-PSMF050X-2 is a resettable polymeric PTC fuse (PPTC) with the following key features:
- Current Rating: 0.5A (hold) / 1A (trip)
- Voltage Rating: 60V DC max
- Low Resistance: ~0.15Ω (typical)
- Fast Trip Response: Protects against overcurrent/short circuits
- Resettable: Automatically resets after fault removal
- Compact Size: Surface-mount (SMD) design
- Operating Temp: -40°C to +85°C
- Applications: Battery protection, consumer electronics, and power circuits
Ideal for overcurrent protection in space-constrained designs.

Pinout

The MF-PSMF050X-2 is a PolySwitch resettable fuse with 2 pins (SMD package).
Key Functions:
- Overcurrent Protection: Automatically resets after fault removal.
- Rated Current: 0.5A (hold) / 1.0A (trip).
- Voltage Rating: 30V DC max.
- Package: 1206 (3.2mm × 1.6mm).
Pinout:
- Pins 1 & 2: Electrically connected (no polarity).
Used in circuits to safeguard against short circuits or excessive current.

Manufacturer

The MF-PSMF050X-2 is manufactured by Bourns, Inc., a globally recognized electronics manufacturer specializing in circuit protection, sensors, resistors, and other electronic components. Founded in 1947 and headquartered in Riverside, California, Bourns is known for its high-quality, reliable components used in industries like automotive, industrial, and consumer electronics. The MF-PSMF050X-2 is part of their PolySwitch resettable fuse series, designed for overcurrent protection in various applications. Bourns serves a broad customer base, including major OEMs, emphasizing innovation and compliance with industry standards.

Package

The MF-PSMF050X-2 is a surface-mount PPTC (Polymer Positive Temperature Coefficient) resettable fuse, typically in a 1206 package size (3.2mm x 1.6mm). It offers overcurrent protection with a 0.5A hold current and is designed for compact PCB applications. Its small form factor and reliability make it suitable for consumer electronics, automotive, and industrial circuits.

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