MF-R135 Bourns MF-R135 PTC resettable fuse rated for 30V max voltage and 1.35A hold current. Through-hole radial package with 5.10mm lead spacing.
Mfr Part #:

MF-R135

Available from 1 distributors
Mfr Name: Bourns
Bourns
Bourns MF-R135 PTC resettable fuse rated for 30V max voltage and 1.35A hold current. Through-hole radial package with 5.10mm lead spacing.
✓ Total Stock: 6,927 pcs
$ Price Range: $0.22 - $0.47

MF-R135 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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6,927 pcs
6927 pcs On Request 1 On Request On Request On Request On Request On Request

MF-R135 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Current
Diameter
Halogen Free
Height
Lead Spacing
Mounting Type
Operating Temperature
Prop 65
Resistance
SVHC Present
Tape & Reel
Thickness
Time to Trip
Type
Voltage

MF-R135 Description

Short technical summary and product information.

The Bourns MF-R135 is a PTC resettable fuse from the MF-R series, designed for overcurrent protection in a wide range of electronic circuits. It features a hold current of 1.35 A and a trip current of 2.70 A, with a maximum voltage rating of 30 V and a maximum fault current handling capability of 40 A. The device has an initial resistance range of 0.065 Ohm to 0.115 Ohm at 23°C, and a post-trip resistance maximum of 0.17 Ohm. Typical tripped power dissipation is 0.80 W at 23°C.

 

This resettable fuse is housed in a radial, disc package with a diameter of 8.90 mm and a thickness of 3.00 mm. It features a lead spacing of 5.10 mm and a seated height of 18.90 mm, making it suitable for through-hole mounting on printed circuit boards. The operating temperature range is -40°C to 85°C.

 

The MF-R135 is RoHS compliant, lead free, and halogen free. It carries a California Proposition 65 warning for cancer and reproductive harm. The device is suitable for use in power supplies, battery chargers, and other applications requiring resettable overcurrent protection.

MF-R135 Quick Information

Product Type: PTC Resettable Fuse
Series: MF-R135
Canonical Name: Bourns MF-R135 PTC Resettable Fuse
Subcategory: Radial Leaded PTC

MF-R135 Compliance

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

MF-R135 Estimated Pricing

Qty Low High
1+ $0.47 $0.47
10+ $0.40 $0.40
50+ $0.35 $0.35
100+ $0.30 $0.30
250+ $0.29 $0.29
500+ $0.27 $0.27
1,000+ $0.23 $0.23
3,000+ $0.22 $0.22
6,000+ $0.22 $0.22

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

MF-R135 Features

  • Hold current of 1.35 A at 23°C.
  • Maximum voltage rating of 30 V.
  • Maximum fault current of 40 A.
  • Through-hole radial package with 5.10 mm lead spacing.
  • RoHS compliant and lead free.

MF-R135 Applications

  • Overcurrent protection in power supplies.
  • Battery charger protection circuits.
  • General purpose resettable fuse applications.

MF-R135 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the hold current of the Bourns MF-R135?

The hold current (Ihold) is 1.35 A at 23°C.

What is the maximum voltage rating of the MF-R135?

The maximum voltage (Vmax) is 30 V.

What is the maximum fault current the MF-R135 can handle?

The maximum current (Imax) is 40 A.

What is the time to trip for the MF-R135?

The maximum time to trip at 6.75 A and 23°C is 7.3 seconds.

What is the operating temperature range of the MF-R135?

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

What is the package type of the MF-R135?

The MF-R135 comes in a radial, disc through-hole package with a diameter of 8.90 mm and lead spacing of 5.10 mm.

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