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0437005.WR Surface mount fast-acting fuse rated 5A at 63V. 1206 package, operating temperature -55°C to 150°C.
Mfr Part #:

0437005.WR

Available from 3 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Surface mount fast-acting fuse rated 5A at 63V. 1206 package, operating temperature -55°C to 150°C.
Total Stock: 9,200 pcs
$ Price Range: $0.63 - $1.56

0437005.WR Available from 3 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
6,000 pcs
6000 pcs On Request 1 On Request On Request 22+ On Request On Request
Non-Authorised Inventory information
2,300 pcs
2300 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
900 pcs
900 pcs On Request 1 On Request On Request On Request On Request On Request

0437005.WR Specifications Quick View

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

0437005.WR Description

Short technical summary and product information.

The Littelfuse 0437005.WR is a 5A fast-acting surface mount fuse from the 437 Series. It is rated for a maximum voltage of 63V and has a breaking capacity of 50A at 32VAC/35VDC. The fuse features a nominal melting I²t of 2.3 A²s and a nominal resistance of 0.0159 ohms. It is designed for overcurrent protection in circuits that may encounter high ambient temperatures up to 150°C.

 

The fuse is housed in a 1206 (3216 metric) package with dimensions 3.20mm x 1.63mm x 0.82mm. It is 100% lead-free, RoHS compliant, and halogen-free. The device is suitable for both leaded and lead-free reflow/wave soldering processes.

0437005.WR Quick Information

Product Type: Surface Mount Fuse
Series: 437
Canonical Name: Littelfuse 437 Series 5A 63V Fast-Acting Surface Mount Fuse
Subcategory: Board Mount Fuse

0437005.WR Compliance

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

0437005.WR Estimated Pricing

Qty Low High
1+ $1.56 $1.56
5+ $1.38 $1.38
10+ $1.31 $1.31
50+ $1.06 $1.06
100+ $0.92 $0.92
250+ $0.87 $0.87
500+ $0.75 $0.75
1,000+ $0.69 $0.69
3,000+ $0.63 $0.63

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

0437005.WR Features

  • Fast-acting response for overcurrent protection.
  • Rated 5A at 63V maximum voltage.
  • 50A interrupting capacity at rated voltage.
  • Operating temperature range -55°C to 150°C.
  • RoHS compliant and halogen-free design.

0437005.WR Applications

  • Overcurrent protection in power supply circuits.
  • Used in high-temperature industrial electronics.
  • Suitable for automotive and telecom equipment.
  • Protection for DC/DC converter input stages.

0437005.WR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0437005.WR fuse?

The current rating is 5 A.

What is the maximum voltage rating?

The maximum voltage rating is 63 V.

What is the breaking capacity?

The breaking capacity is 50 A at 32 VAC / 35 VDC.

What is the response time of this fuse?

The response time is fast blow (fast-acting).

What package does the 0437005.WR come in?

The fuse is in a 1206 (3216 Metric) surface mount package.

What is the operating temperature range?

The operating temperature range is -55°C to 150°C.

Is the 0437005.WR RoHS compliant?

Yes, it is RoHS3 compliant and halogen-free as verified by the datasheet.

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