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0438.375WR Board mount fuse rated 375mA, 32VAC/63VDC, fast blow response, in 0603 surface mount package. Compliant with RoHS, lead-free, and halogen-free.
Mfr Part #:

0438.375WR

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Board mount fuse rated 375mA, 32VAC/63VDC, fast blow response, in 0603 surface mount package. Compliant with RoHS, lead-free, and halogen-free.
Total Stock: 12,162 pcs

0438.375WR Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
12,000 pcs
12000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
162 pcs
162 pcs On Request 1 On Request On Request 16+ On Request On Request

0438.375WR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Breaking Capacity
Breaking Capacity @ Rated Voltage
Current Rating
Current Rating (Amps)
Fuse Type
Halogen Free
Height
Length
Melting I²t
Mounting Type
Nominal Power Dissipation
Nominal Voltage Drop
Operating Temperature
Package / Case
Response Time
Storage Temperature
Voltage Rating
Voltage Rating AC
Voltage Rating DC
Width

0438.375WR Description

Short technical summary and product information.

The Littelfuse 0438.375WR is a 0603 surface mount fast-acting fuse from the 438 Series. It is rated at 375mA with a voltage rating of 63VDC and 32VAC, and a breaking capacity of 50A. The fuse features a fast blow response time and a melting I²t of 0.0041 A²s. Designed for overcurrent protection in circuits operating under high ambient temperatures up to 150°C, it offers excellent temperature stability and performance reliability. The ceramic construction ensures high inrush current withstand capability. The 0438.375WR is 100% lead-free, RoHS compliant, and halogen-free. It is suitable for both leaded and lead-free reflow/wave soldering processes. Agency approvals include CSA, UL, CE, and UKCA. The 0603 (1608 Metric) package is ideal for compact PCB designs.

0438.375WR Quick Information

Product Type: Fuse
Series: 438
Canonical Name: Littelfuse 0438.375WR 375mA 63VDC/32VAC Fast Blow Surface Mount Fuse
Subcategory: Surface Mount Fuses

0438.375WR Compliance

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

0438.375WR Features

  • Rated 375mA, 63VDC/32VAC.
  • Fast blow response time.
  • Surface mount 0603 package.
  • Operating temperature range -55°C to 150°C.
  • RoHS, lead-free, halogen-free compliant.

0438.375WR Applications

  • Overcurrent protection for circuits.
  • Suitable for high ambient temperature applications.
  • Used in power supplies and consumer electronics.
  • Ideal for compact PCB designs.

0438.375WR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0438.375WR?

375 mA.

What is the voltage rating of the 0438.375WR?

63 VDC and 32 VAC.

What is the breaking capacity of the 0438.375WR?

50A at rated voltage.

What is the response time of the 0438.375WR?

Fast Blow.

What is the package/case of the 0438.375WR?

0603 (1608 Metric).

What is the operating temperature range of the 0438.375WR?

-55°C to 150°C.

What agency approvals does the 0438.375WR have?

CSA, UL, CE, UKCA.

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