Welcome to the heart of innovation in the electronics world – the Littelfuse SMDC125F/33-2. In this comprehensive article, we will delve into its definition, key features, specifications, applications, and a closer look at its manufacturer.
The Littelfuse SMDC125F/33-2 is a Polymeric Positive Temperature Coefficient (PPTC) device, more commonly known as a resettable fuse. Its primary function is to protect electronic circuits from overcurrent and short-circuit conditions. This miniature powerhouse offers a unique advantage over traditional fuses – it can reset itself after tripping, ensuring the continuous protection of your valuable electronic components.
Let's delve into the standout features that make SMDC125F/33-2 a game-changer:
· Handles up to 33VDC and 40A, covering a broad range of electronic applications.
· Automatically resets after tripping, eliminating the need for manual intervention.
· Boasts minimal initial resistance (0.04 Ohm) and controlled post-trip resistance (0.25 Ohm) for optimal circuit performance.
· With 1.5W power dissipation and a quick 2-second trip time at 8A, it ensures swift response without compromising efficiency.
Now, let's delve into the technical specifications that make the SMDC125F/33-2 a standout choice for electronic projects:
Type | Parameter |
Maximum Voltage Rating | 33VDC |
Maximum Current Rating (A) | 40 |
Hold Current (A) | 1.25 |
Trip Current (A) | 2.5 |
Minimum Initial Resistance (Ohm) | 0.04 |
Maximum Post Trip Resistance (Ohm) | 0.25 |
Typical Power Dissipation (W) | 1.5(Max) |
Maximum Trip Time (S) | 2@8A |
Termination Style | Solder Pad |
Number of Terminals | 2 |
Minimum Operating Temperature (°C) | -40 |
Maximum Operating Temperature (°C) | 85 |
Packaging | Tape and Reel |
Size (mm) | 7.7 X 5.3 X 0.71 |
Product Length (mm) | 7.7(Max) |
Product Depth (mm) | 5.3(Max) |
Product Height (mm) | 0.71(Max) |
Package/Case | 2920 |
Mounting | Surface Mount |
The flexibility and reliability of the SMDC125F/33-2 make it an ideal choice for various applications, including but not limited to:
· Power Supplies: Ensures stable performance and protection in a variety of power supply applications.
· Battery Packs: Safeguards battery packs from overcurrent events, contributing to the longevity and reliability of the battery system.
· Motor Drives: Ideal for protecting motor drives from short-circuits, ensuring uninterrupted operation in diverse motor-driven systems.
· LED Lighting: Guarantees the safety and longevity of LED lighting systems by preventing overcurrent damage.
· Automotive Electronics: A reliable choice for automotive applications, offering circuit protection in the demanding and dynamic automotive environment.
Littlefuse, a prominent player in the electronic components industry, has established itself as a leading provider of innovative solutions for circuit protection, power control, and sensing applications. With a rich history dating back to its founding in 1927, Littlefuse has consistently been at the forefront of technological advancements, delivering high-quality and reliable products. Specializing in fuses, sensors, and other critical components, Littlefuse is renowned for its commitment to safety, efficiency, and cutting-edge design.
In conclusion, the Littelfuse SMDC125F/33-2 is not just a component; it's a testament to the advancements in circuit protection technology. Its resettable nature, combined with impeccable specifications, positions it as a key player in the ever-evolving landscape of electronics.