FSMD010-1206-R

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FSMD010-1206-R

+BOM

RESETTABLE FUSE - SMD, 1206 SIZE

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Specifications

Attribute Value
Package Tape & Reel (TR)
Series FSMD1206
ProductStatus Active
Voltage-Max 60V
Current-Max 100 A
Current-Hold(Ih)(Max) 100 mA
Current-Trip(It) 250 mA
TimetoTrip 1 s
Resistance-Initial(Ri)(Min) 1.6 Ohms
Resistance-PostTrip(R1)(Max) 15 Ohms
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 1206 (3216 Metric), Concave
Size/Dimension 0.128 L x 0.065 W (3.25mm x 1.65mm)
Thickness(Max) 0.033 (0.85mm)

Overview

Description

FSMD010-1206-R likely refers to a course code or a model number, although specific context is required for a precise definition. If it is a course, it may relate to a specialized subject within a curriculum, possibly in fields like engineering, computing, or another technical discipline. The "FSMD" part could hint at a focus area, like "Finite State Machine Design," though this is speculative without additional context. The numbers could signify a course sequence or level, such as introductory or advanced study.
If FSMD010-1206-R refers to a product or model, it might be a specific version or type within a series, possibly in electronics, technology, or a similar industry. The code helps in identifying specifications, features, or compatibility.
For accurate information, reviewing the course syllabus, product manual, or related documentation is recommended to understand its scope, applications, and relevance in its respective field.

Equivalent

The FSMD010-1206-R is a PolySwitch resettable PTC (positive temperature coefficient) fuse from Littelfuse. Equivalent products can include similar resettable PTC fuses from other manufacturers like the Bourns MF-MSMD010-2 or the TE Connectivity (Raychem) RXEF010. When selecting an equivalent, ensure that the electrical characteristics, form factor, and environmental specifications match the original component. Always confirm equivalency with datasheets and manufacturer recommendations.

Features

The FSMD010-1206-R is an electronic component, specifically a type of surface-mount fuse. Here are its key features:
1. Package Size: It comes in a 1206 package, which makes it compact and suitable for space-constrained applications.
2. Current Rating: Typically rated for a current of 1 ampere.
3. Voltage Rating: Designed to handle voltages up to a certain limit, often around 63 volts DC.
4. Fast Acting: Provides overcurrent protection by responding quickly to excessive current, which helps in protecting sensitive components in electronic circuits.
5. RoHS Compliant: Environmentally friendly, adhering to regulations that restrict the use of certain hazardous substances.
6. Operating Temperature: Suitable for use in a wide range of temperatures, typically from -55°C to 125°C.
7. Applications: Used in various electronic devices, including consumer electronics, telecommunications equipment, and industrial electronics, due to its reliable performance in protecting circuits from overcurrent conditions.
These features make the FSMD010-1206-R a reliable choice for ensuring circuit protection in a variety of applications.

Pinout

The FSMD010-1206-R is a part of the FSMD series of PTC (Positive Temperature Coefficient) resettable fuses. It is designed to provide overcurrent protection in electronic circuits. This component is housed in a 1206 surface-mount package, which adheres to standard dimensions for such packages but does not have traditional pins like through-hole components. Instead, it has two terminals for surface mounting.
The primary function of the FSMD010-1206-R is to act as a resettable fuse that protects devices from overcurrent conditions. When excessive current flows through the circuit, the PTC material inside increases in resistance, effectively limiting the current and protecting downstream components. Once the fault condition is removed and the device cools down, it resets to its low-resistance state, allowing normal operation to resume without the need for replacement.

Manufacturer

The FSMD010-1206-R is manufactured by Littelfuse, Inc. Littelfuse is a company specializing in circuit protection products, including fuses, semiconductors, polymers, and other electronic components. Founded in 1927, Littelfuse serves a variety of industries such as automotive, industrial, consumer electronics, and telecommunications. The company's products are designed to protect electronic circuits from overcurrent and overvoltage situations, enhancing the reliability and safety of electronic devices.

Application

The FSMD010-1206-R is a specific type of electrical or electronic component, often used in applications involving power management and regulation. It can be utilized in power supplies for electronic devices, motor control systems, consumer electronics, and industrial automation. Its primary role is typically related to enhancing power efficiency and ensuring stable voltage regulation. For precise application details, consult the manufacturer's datasheet or technical specifications.

Package

The FSMD010-1206-R is a surface-mount device (SMD) package, specifically in the 1206 size. This denotes a passive component package with dimensions approximately 3.2mm x 1.6mm, typically used for resistors, capacitors, and diodes.

FAQ


Q: What is the primary function of the FSMD010-1206-R?
A: It is a resettable fuse (PPTC) that provides overcurrent protection by rapidly increasing its resistance to trip the circuit, then automatically resetting once the fault is removed and power is cycled.


Q: What is the maximum voltage and hold current for this device?
A: The FSMD010-1206-R has a maximum voltage rating of 60V DC and a maximum hold current (Ih) of 100 mA under specified ambient conditions.


Q: At what current level does the fuse typically trip?
A: The device is designed to trip at a current (It) of 250 mA. The time to trip is approximately 1 second at this current under 20°C ambient conditions.


Q: What are the resistance values before and after tripping?
A: The initial resistance (Ri) is a maximum of 1.6 Ohms. After tripping into a high-resistance state, the resistance (R1) increases to a maximum of 15 Ohms.


Q: Is this component suitable for automotive or industrial applications?
A: With an operating temperature range of -40°C to 85°C, it is suitable for a wide range of industrial applications. Specific automotive qualification should be verified with the manufacturer.


Q: What is the advantage of the concave package design?
A: The concave 1206 package improves solder joint reliability by reducing stress during thermal cycling and preventing solder wicking, ensuring a robust surface mount connection.


Q: How does the trip time affect circuit protection?
A: The 1-second typical trip time at 250mA provides a balance, offering protection against sustained overloads while allowing for brief, harmless current surges without nuisance tripping.


Q: In what packaging is this component supplied?
A: The FSMD010-1206-R is supplied on Tape & Reel (TR) packaging, which is standard for automated surface-mount assembly processes in high-volume manufacturing.


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