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MF-RM055/240-2 PTC resettable fuse rated for 240V (265V internal) with 550mA hold current and 1.25A trip current. Through-hole radial disc package.
Mfr Part #:

MF-RM055/240-2

Available from 1 distributors
Mfr Name: Bourns
Bourns
PTC resettable fuse rated for 240V (265V internal) with 550mA hold current and 1.25A trip current. Through-hole radial disc package.
✓ Total Stock: 4,000 pcs
$ Price Range: $0.50 - $1.09

MF-RM055/240-2 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
AA2DE ✓
Non-Authorised Inventory information
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request On Request 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.

MF-RM055/240-2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Halogen Free
Height
Industrial Grade
Lead Spacing
Lead Style
Length
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Prop 65
Resistance
Storage Temperature
Tape & Reel
Time to Trip
Type
Voltage
Width
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MF-RM055/240-2 Description

Short technical summary and product information.

The Bourns MF-RM055/240-2 is a polymeric PTC resettable fuse from the MF-RM series designed for line voltage overcurrent protection. It features a maximum voltage rating of 240V (265V internal) and a hold current of 550 mA. The trip current is 1.25 A, with a maximum time to trip of 26 seconds at rated conditions. Initial resistance ranges from 0.45 Ohms minimum to 1.45 Ohms maximum, and post-trip resistance is 1.45 Ohms maximum. Tripped power dissipation is 3.4 W typical. The device is housed in a radial disc package with through-hole mounting and 2.90 mm lead spacing. Dimensions are 14.00 mm length, 4.10 mm width, and 22.40 mm seated height. Operating temperature range is -20°C to 85°C. The component is RoHS compliant and halogen free, with a California Prop 65 warning for cancer and reproductive harm.

MF-RM055/240-2 Quick Information

Product Type: PTC Resettable Fuse
Series: MF-RM055
Canonical Name: Bourns MF-RM055/240-2 PTC Resettable Fuse
Subcategory: Line Voltage PTC

MF-RM055/240-2 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 70
REACH Status: REACH Unaffected

MF-RM055/240-2 Estimated Pricing

Qty Low High
1+ $1.09 $1.09
10+ $0.99 $0.99
50+ $0.80 $0.80
100+ $0.75 $0.75
200+ $0.69 $0.69
500+ $0.64 $0.64
1,000+ $0.59 $0.59
2,000+ $0.51 $0.51
4,000+ $0.50 $0.50

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

MF-RM055/240-2 Features

  • Polymeric PTC resettable overcurrent protection.
  • Rated for 240V (265V internal) operation.
  • 550 mA hold current, 1.25 A trip current.
  • Through-hole radial disc package.
  • RoHS compliant and halogen free.

MF-RM055/240-2 Applications

  • Overcurrent protection in food blenders and coffee machines.
  • HVAC system circuit protection.
  • Protection for electric fans and blowers.
  • AC adapter overcurrent protection.

MF-RM055/240-2 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the maximum voltage rating of the MF-RM055/240-2?

The maximum voltage is 240V (265V internal).

What is the hold current of this PTC fuse?

The hold current (Ih) is 550 mA.

What is the trip current?

The trip current (It) is 1.25 A.

What is the operating temperature range?

The operating temperature range is -20°C to 85°C.

What package does this device come in?

It comes in a radial disc through-hole package with 2.90 mm lead spacing.

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