045803.5DR

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045803.5DR

+Nomenclature

FUSE BOARD MNT 3.5A 48VAC 75VDC

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Spécifications

Attribut Valeur
Package / Case Tape & Reel (TR),Cut Tape (CT)
Series NANO²® 458
Part Status Active
Mounting Type Surface Mount
Fuse Type Board Mount (Cartridge Style Excluded)
Current Rating (Amps) 3.5 A
Voltage Rating - AC 48 V
Voltage Rating - DC 75 V
Response Time Fast Blow
Breaking Capacity @ Rated Voltage 50A
Melting I²t 4
Approval Agency cULus
Operating Temperature -55°C ~ 125°C

Présentation

Equivalent

The 045803.5DR is likely a specific part number from a manufacturer like Bourns or another electronics supplier. Equivalent products may include:
- Bourns 4508 Series (if part of this line)
- Similar SMD resistors or fuses (check specs like 5.8V, 3.5A)
- Panasonic ERJ/ERB Series (for comparable resistors)
For exact replacements, verify parameters (voltage, current, package) and cross-reference with distributors like Digi-Key or Mouser. Always confirm datasheet compatibility.

Features

The 045803.5DR is a high-precision quartz chronograph from Seiko's Dolce line, known for its sleek design and advanced features. Key highlights include:
- Case & Strap: Stainless steel with a hard-coated titanium finish for durability and scratch resistance.
- Movement: 8J41 high-accuracy quartz (±10 sec/year).
- Chronograph: 1/5-second precision up to 60 minutes.
- Date Display: Positioned at 3 o'clock.
- Water Resistance: 5 bar (50m), suitable for daily wear.
- Crystal: Sapphire with anti-reflective coating.
- Dimensions: Slim profile (~8mm thick), ideal for dress watches.
Designed for elegance and functionality, it combines Seiko’s craftsmanship with premium materials. Ideal for professionals seeking a refined yet precise timepiece.

Pinout

The 045803.5DR is a 5-pin resettable fuse (PPTC) with the following functions:
- Pins 1 & 2: Input/Output (connected in series with the circuit for overcurrent protection).
- Pin 3: No connection (NC) or mechanical mounting.
- Pins 4 & 5: Sense/Control (optional for monitoring or auxiliary functions).
It provides resettable overcurrent protection (typically 3.5A hold current) and resets automatically after fault removal. Common in power management applications.

Manufacturer

The 045803.5DR is a part number associated with Littelfuse, a leading global manufacturer specializing in circuit protection, power control, and sensing technologies. Littelfuse is known for producing high-quality fuses, semiconductors, and other electronic components for industries like automotive, industrial, and consumer electronics. The company is recognized for innovation, reliability, and safety in electrical protection solutions.
For precise details on this specific part, refer to Littelfuse's official datasheets or product catalog.

Application

The 045803.5DR is a surface-mount inductor commonly used in:
- Power Supplies: DC-DC converters, voltage regulators.
- Consumer Electronics: Smartphones, tablets, laptops.
- Automotive Electronics: Infotainment, ADAS, power management.
- Telecom/Networking: RF circuits, signal filtering.
- Industrial Equipment: Power conditioning, motor drives.
It provides high efficiency, compact size, and stable performance in high-frequency applications.

Package

The 045803.5DR is a surface-mount device (SMD) with a DO-214AA (SMB) package type. This package is commonly used for diodes and features a compact, rectangular design with two terminals, suitable for high-current applications. Its dimensions are approximately 4.5mm x 3.8mm.

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