MF-MSMD110-2 Circuit Protection

Resistance - Initial (Ri) (Min):	40 mOhms
Approvals:	CSA, TUV, UR
Lead Spacing:	--
Thickness (Max):	0.134" (3.41mm)
Height - Seated (Max):	--
Size / Dimension:	0.179" L x 0.020" W (4.55mm x 0.50mm)
Package / Case:	1812 (4532 Metric)
Mounting Type:	Surface Mount
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	210 mOhms
Series:	Multifuse®, MF-MSMD
Time to Trip:	300ms
Current - Trip (It):	2.2A
Current - Hold (Ih) (Max):	1.1A
Current - Max:	100A
Voltage - Max:	6V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

A PTC Resettable Fuse, or Polymeric Positive Temperature Coefficient (PPTC) Fuse, is a type of overcurrent protection device that is designed to provide protection for a circuit or device from an excessive current. The MF-MSMD110-2 is one such device, and is primarily used as an overcurrent protection device in low-power applications.

Application Field and Working Principle

MF-MSMD110-2 PTC resettable fuses are designed for low voltage applications, such as those found in automated electronics systems or automotive systems.They are often used in applications where a conventional fuse would not be suitable, such as in automotive applications where the amount of voltage surges are unpredictable and the characteristics of the currents cannot be precisely known. The MF-MSMD110-2 resettable fuse is a current-limiting device. When a current begins to exceed the threshold, the fuse will trip and become an open circuit, thus preventing further current passing through it. The device has an internal resistance, and when a current begins to exceed the threshold, the fuse will heat up. This heat will cause a special type of polymeric material within the fuse to react, thus increasing the fuse’s resistance, which in turn will cause the fuse to trip. The thermal reaction of the polymer is what makes this type of fuse self-resetting, meaning it can isolate and protect the circuit from further overcurrent surges until it cools down again.

Benefits of Using MF-MSMD110-2

The main benefits of using an MF-MSMD110-2 resettable fuse are its ability to provide reliable overcurrent protection in addition to being able to reset itself after a surge. This means that the device can be used in applications where the current characteristics are not known or where the current characteristics may change over time. This makes them an ideal choice for automotive applications.Additionally, the MF-MSMD110-2 resettable fuse is very compact and easy to mount onto circuit boards. It’s also resistant to vibration, meaning it is a very reliable device for applications where vibration is present. Finally, it is a very cost-effective device, and is often preferred over other overcurrent protection devices such as fuses or circuit breakers.

Conclusion

Overall, the MF-MSMD110-2 is a very reliable and cost-effective device that is suitable for many low voltage applications. It’s ability to self-reset after a surge makes it an ideal choice for automotive applications and electronic systems where the current characteristics may change. Additionally, it is very compact, vibration resistant, and easy to mount, making it a great device for any of these applications.

The specific data is subject to PDF, and the above content is for reference