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045803.5DR Littelfuse 045803.5DR is a 3.5A fast blow board mount fuse rated for 48VAC/75VDC in a 1206 surface mount package.
Mfr Part #:

045803.5DR

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse 045803.5DR is a 3.5A fast blow board mount fuse rated for 48VAC/75VDC in a 1206 surface mount package.
Total Stock: 10,370 pcs
$ Price Range: $1.02 - $2.60

045803.5DR Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
10,370 pcs
10370 pcs On Request 1 On Request On Request 21+ On Request On Request

045803.5DR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Breaking Capacity @ Rated Voltage
Current Rating (Amps)
Fuse Type
Halogen Free
Height
Length
Medical Grade
Melting I²t
Military Grade
Mounting Type
Operating Temperature
Response Time
SVHC Present
Tape & Reel
Voltage Rating
Width

045803.5DR Description

Short technical summary and product information.

The Littelfuse 045803.5DR is a 3.5A fast blow board mount fuse designed for surface mount applications. It is rated for 48VAC and 75VDC operation with a breaking capacity of 50A at rated voltage. The fuse is housed in a compact 1206 (3216 metric) package measuring 3.18mm x 1.58mm x 1.58mm.

 

This fuse features a fast blow response time, making it suitable for protecting sensitive electronic circuits where rapid overcurrent interruption is required. It operates over a wide temperature range of -55°C to 125°C, ensuring reliable performance in harsh environments.

 

The 045803.5DR is cULus approved and is RoHS3 compliant. Its surface mount design allows for automated assembly, reducing manufacturing costs and improving reliability in high-volume production environments.

045803.5DR Quick Information

Product Type: Board Mount Fuse
Series: 458
Canonical Name: Littelfuse 045803.5DR 3.5A 48VAC/75VDC Fast Blow Surface Mount Fuse
Subcategory: Surface Mount Fuse

045803.5DR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): Level 1 (Unlimited)
REACH Status: REACH Unaffected
Lead Free: Yes

045803.5DR Estimated Pricing

Qty Low High
1+ $2.60 $2.60
5+ $2.28 $2.28
10+ $2.14 $2.14
50+ $1.75 $1.75
100+ $1.46 $1.46
250+ $1.31 $1.31
500+ $1.26 $1.26
1,000+ $1.03 $1.03
1,500+ $1.02 $1.02

Estimated market price range - modelled values for guidance only, not live distributor offers.

045803.5DR Features

  • 3.5A current rating with fast blow response.
  • Rated for 48VAC and 75VDC operation.
  • 50A breaking capacity at rated voltage.
  • Surface mount 1206 package for automated assembly.
  • Wide operating temperature range -55°C to 125°C.

045803.5DR Applications

  • Overcurrent protection for board-level circuits.
  • Suitable for power supply and DC-DC converter protection.
  • Ideal for industrial control and automation equipment.
  • Used in automotive electronics and infotainment systems.
  • Protection for battery management and charging circuits.

045803.5DR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 045803.5DR fuse?

The current rating is 3.5 A.

What is the voltage rating of this fuse?

The fuse is rated for 48VAC and 75VDC.

What is the breaking capacity of the 045803.5DR?

The breaking capacity is 50A at rated voltage.

What is the response time of this fuse?

The response time is fast blow.

What package does the 045803.5DR come in?

It comes in a 1206 (3216 metric) surface mount package.

What is the operating temperature range?

The operating temperature range is -55°C to 125°C.

What approvals does this fuse have?

It is cULus approved.

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