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MF-RX135/72-0 PTC resettable fuse from Bourns, rated for 72V and 1.35A hold current, with radial through-hole package.
Mfr Part #:

MF-RX135/72-0

Available from 2 distributors
Mfr Name: Bourns
Bourns
PTC resettable fuse from Bourns, rated for 72V and 1.35A hold current, with radial through-hole package.
✓ Total Stock: 34,211 pcs
$ Price Range: $0.21 - $0.48

MF-RX135/72-0 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
34,200 pcs
On Request
34200 pcs On Request 1 On Request On Request 15+ On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
11 pcs
On Request
11 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-RX135/72-0 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Halogen Free
Height
Lead Spacing
Lead Style
Length
Mounting Type
Operating Temperature
Resistance
Storage Temperature
Tape & Reel
Time to Trip
Type
Voltage
Width
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MF-RX135/72-0 Description

Short technical summary and product information.

The Bourns MF-RX135/72-0 is a PTC resettable fuse from the MF-RX/72 series, designed for overcurrent protection in low voltage circuits up to 72V. It features a hold current of 1.35A and a trip current of 2.70A. The device has a typical tripped power dissipation of 1.70W and a maximum time to trip of 9.6 seconds at 6.75A. The initial resistance ranges from 0.12Ω to 0.19Ω, with a post-trip resistance maximum of 0.30Ω. It is mounted in a radial through-hole package with lead spacing of 5.10mm. The operating temperature range is -40°C to 85°C. This component is RoHS compliant and halogen-free, and it meets UL 94 V-0 flammability rating. Applications include security systems, loudspeakers, and power transformers.

MF-RX135/72-0 Quick Information

Product Type: PTC Resettable Fuse
Series: MF-RX
Canonical Name: MF-RX135/72-0 PTC Resettable Fuse
Subcategory: Resettable Fuse

MF-RX135/72-0 Compliance

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

MF-RX135/72-0 Estimated Pricing

Qty Low High
1+ $0.48 $0.48
10+ $0.35 $0.35
50+ $0.32 $0.32
100+ $0.30 $0.30
250+ $0.29 $0.29
500+ $0.24 $0.24
3,000+ $0.23 $0.23
6,000+ $0.21 $0.21

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

MF-RX135/72-0 Features

  • Polymeric PTC resettable fuse technology.
  • Rated for 72V maximum voltage and 40A fault current.
  • Hold current of 1.35A with 2.70A trip current.
  • Radial through-hole package with 5.10mm lead spacing.
  • RoHS compliant and halogen-free.

MF-RX135/72-0 Applications

  • Overcurrent protection in security and fire alarm systems.
  • Protection for loudspeaker audio circuits.
  • Used in power transformer primary and secondary circuits.
  • Suitable for low voltage power supply protection.

MF-RX135/72-0 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the hold current of the MF-RX135/72-0?

The hold current is 1.35A at 23°C.

What is the maximum voltage rating?

The maximum voltage is 72V.

What is the maximum interrupt current?

The maximum interrupt current (Imax) is 40A.

What is the time to trip at 6.75A?

The maximum time to trip at 6.75A is 9.6 seconds.

What is the package type?

The package is radial, disc through-hole.

What is the operating temperature range?

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

What is the initial resistance range?

The initial resistance is 0.12Ω minimum and 0.19Ω maximum.

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