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0402L050SLKR PTC resettable fuse with 500mA hold current, 6V max voltage, and 100ms trip time in a 0402 surface mount package.
Mfr Part #:

0402L050SLKR

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
PTC resettable fuse with 500mA hold current, 6V max voltage, and 100ms trip time in a 0402 surface mount package.
✓ Total Stock: 8,335 pcs
$ Price Range: $1.42 - $3.23

0402L050SLKR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
8,335 pcs
On Request
8335 pcs On Request 1 On Request On Request 21+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

0402L050SLKR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Length
Mounting Type
Operating Temperature
Resistance
Tape & Reel
Thickness (Max)
Time to Trip
Type
Voltage
Width
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0402L050SLKR Description

Short technical summary and product information.

The 0402L050SLKR is a polymeric PTC resettable fuse from Littelfuse Inc. designed for overcurrent protection in compact electronic circuits. It features a hold current of 500 mA and a maximum voltage rating of 6V, with a typical time to trip of 100 ms. The initial resistance is 400 mΩ, ensuring low power loss during normal operation.

 

This device is housed in a 0402 (1005 Metric) concave surface mount package with dimensions of 1.00mm x 0.50mm and a maximum thickness of 0.60mm. It operates over a temperature range of -40°C to 85°C, making it suitable for a wide variety of environments. The surface mount design enables automated assembly and space-efficient placement on PCBs.

 

Typical applications include overcurrent protection in portable electronics, battery packs, and other low-voltage circuits where resettable protection is desired. The polymeric PTC technology automatically resets after the fault is cleared and power is removed, eliminating the need for fuse replacement.

0402L050SLKR Quick Information

Product Type: PTC Resettable Fuse
Series: LoRho
Canonical Name: PTC Resettable Fuse 500mA 6V 0402 Polymeric Surface Mount
Subcategory: Polymeric PTC

0402L050SLKR Compliance

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

0402L050SLKR Estimated Pricing

Qty Low High
1+ $3.23 $3.23
5+ $2.42 $2.42
10+ $2.25 $2.25
50+ $1.89 $1.89
100+ $1.76 $1.76
250+ $1.60 $1.60
500+ $1.49 $1.49
1,000+ $1.42 $1.42
10,000+ $1.42 $1.42

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

0402L050SLKR Features

  • 500 mA hold current rating.
  • 6V maximum voltage rating.
  • 100 ms typical time to trip.
  • 400 mΩ initial resistance.
  • 0402 surface mount package.

0402L050SLKR Applications

  • Overcurrent protection in portable electronics.
  • Protection for battery pack circuits.
  • Use in low-voltage DC power lines.
  • Resettable protection in compact PCBs.

0402L050SLKR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the hold current of the 0402L050SLKR?

The hold current is 500 mA.

What is the maximum voltage rating?

The maximum voltage is 6V.

What is the time to trip?

The typical time to trip is 100 ms.

What is the package size?

The package is 0402 (1005 Metric), concave, measuring 1.00mm x 0.50mm with a maximum thickness of 0.60mm.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

What is the initial resistance?

The initial resistance is 400 mΩ.

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