0242.050UR Cartridge fuse rated 50mA at 250VAC/VDC with fast blow response and 4kA interrupting rating. Designed for intrinsic safety in hazardous locations.
Mfr Part #:

0242.050UR

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Cartridge fuse rated 50mA at 250VAC/VDC with fast blow response and 4kA interrupting rating. Designed for intrinsic safety in hazardous locations.
✓ Total Stock: 5,915 pcs
$ Price Range: $3.47 - $7.25

0242.050UR 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
5,415 pcs
5415 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
500 pcs
500 pcs On Request 1 On Request On Request 15+ On Request On Request

0242.050UR Specifications Quick View

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

0242.050UR Description

Short technical summary and product information.

The Littelfuse 0242.050UR is a 242 Series barrier fuse designed for intrinsic safety protection in hazardous location equipment. It is rated for 50mA at 250VAC/VDC with a fast blow response time. The fuse has a high interrupting rating of 4kA, suitable for barrier circuits. It features a surface mount package (Cartridge, Non-Standard) with dimensions 3.02mm x 8.40mm. The nominal cold resistance is 1.34 ohms and melting I2t is 0.000103 A²s. Operating temperature range is -40°C to 125°C. The fuse is RoHS compliant and halogen-free, with cURus approval.

0242.050UR Quick Information

Product Type: Cartridge Fuse
Series: 242
Canonical Name: Littelfuse 242 Series Barrier Fuse, 50mA, 250VAC/VDC, Fast Blow, Surface Mount
Subcategory: Specialty Fuse

0242.050UR Compliance

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

0242.050UR Estimated Pricing

Qty Low High
1+ $7.25 $7.25
5+ $6.41 $6.41
10+ $6.07 $6.07
50+ $4.90 $4.90
100+ $4.38 $4.38
250+ $4.04 $4.04
500+ $3.55 $3.55
1,000+ $3.47 $3.47

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

0242.050UR Features

  • Rated for 50mA at 250VAC/VDC.
  • Fast blow response time.
  • 4kA interrupting rating for intrinsic safety.
  • Surface mount cartridge package.
  • RoHS compliant and halogen-free.

0242.050UR Applications

  • Used in hazardous location barrier circuits.
  • Ideal for intrinsic safety equipment protection.
  • Suitable for electrical connections and test equipment.
  • Provides overcurrent protection for barriers.

0242.050UR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0242.050UR?

50 mA.

What is the voltage rating?

250 VAC/VDC.

What is the breaking capacity?

4 kA at 250VAC/VDC.

What is the response time?

Fast blow.

What is the package type?

Cartridge, Non-Standard (surface mount).

What is the operating temperature range?

-40°C to 125°C.

What is the nominal cold resistance?

1.34 ohms.

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