Multifuse® Resettable Fuses

Multifuse® Product Selection Worksheet (PDF, 9/05 - 592K)

Please visit our Library for Multifuse® Technical Literature.

All Multifuse Polymer PTC standard products are now RoHS Compliant, for further information see our RoHS compliance brochure.

 Products marked with this symbol are currently available, although not recommended for new designs.

Polymer PTC Resettable Fuses
Jump to Bourns RoHS information.

Specifications	MF-SMDF	MF-MSMF	MF-USMF	MF-NSMF
Product Photo
Footprint	Surface Mount/2018	Surface Mount/1812	Surface Mount/1210	Surface Mount/1206
Hold Current - Ihold (Amps)	0.55 - 2.00	0.10 - 2.60	0.05 - 1.75	0.12 - 2.00
Agency Certificates	CSA Class 9073 32	CSA Class 9073 32	CSA Class 9073 32	CSA Class 9073 32
	TÜV - IEC730-1/J (EN60730-1/J)	TÜV - IEC730-1/J (EN60730-1/J)	TÜV - IEC730-1/J (EN60730-1/J)	TÜV - IEC730-1/J (EN60730-1/J)
	UL - 1434	UL - 1434	UL - 1434	UL - 1434
RoHS Compliant	MF-SMDF	MF-MSMF	MF-USMF	MF-NSMF
Data Sheet

Top of Page

Specifications	MF-PSMF
Product Photo
Footprint	Surface Mount/0805
Hold Current - Ihold (Amps)	0.10 - 1.10
Agency Certificates	n/a
	n/a
	UL - 1434
RoHS Compliant	MF-PSMF
Data Sheet

Top of Page

Specifications	MF-R	MF-RHT	MF-RG	MF-RX
Product Photo
Footprint	Radial Leaded	Radial Leaded	Radial Leaded	Radial Leaded
Hold Current - Ihold (Amps)	0.05 - 11.0	0.7 - 13.0	3.0 - 5.0	1.1 - 3.75
Agency Certificates	CSA Class 9073 32	n/a	n/a	CSA Class 9073 32
	TÜV - IEC730-1/J (EN60730-1/J)	n/a	n/a	TÜV - IEC730-1/J (EN60730-1/J)
	UL - 1434	n/a	n/a	UL - 1434
RoHS Compliant	MF-R	MF-RHT	MF-RG	MF-RX
Data Sheet

Top of Page

Specifications	MF-RX/72	MF-R/90	MF-SM	MF-SMHT
Product Photo
Footprint	Radial Leaded	Radial Leaded	Surface Mount 2920/3425	Surface Mount/2029 & 3425
Hold Current - Ihold (Amps)	0.2 - 3.75	0.55 - 0.75	0.3 - 1.1 & 2.6/ 1.25 - 2.5	1.36 - 1.60
Agency Certificates	CSA Class 9073 32	CSA Class 9073 32	CSA Class 9073 32	n/a
	TÜV - IEC730-1/J (EN60730-1/J)	TÜV - IEC730-1/J (EN60730-1/J)	TÜV - IEC730-1/J (EN60730-1/J)	n/a
	UL - 1434	UL - 1434	UL - 1434	n/a
RoHS Compliant	MF-RX/72	MF-R/90	MF-SM	MF-SMHT
Data Sheet

Top of Page

Specifications	MF-D	MF-S	MF-LS	MF-SVS
Product Photo
Footprint	Disk	Axial leaded Battery Strap	Axial leaded Battery Strap	Axial leaded Battery Strap
Hold Current - Ihold (Amps)	2.5 - 12.2	1.2 - 4.2	1.0 - 3.4	1.7 - 2.3
Agency Certificates	n/a	CSA Class 9073 32	CSA Class 9073 32	CSA Class 9073 32
	n/a	TÜV - IEC730-1/J (EN60730-1/J)	TÜV - IEC730-1/J (EN60730-1/J)	TÜV - IEC730-1/J (EN60730-1/J)
	n/a	UL - 1434	UL - 1434	UL - 1434
RoHS Compliant	n/a	MF-S	MF-LS	MF-SVS
Data Sheet

Top of Page

Specifications	MF-VS	MF-VS Narrow Body	MF-LR	NEW!  MF-LL
Product Photo
Footprint	Axial leaded Battery Strap	Axial leaded Battery Strap	Axial leaded Battery Strap	Axial leaded Battery Strap
Hold Current - Ihold (Amps)	1.7 - 2.1	1.7 - 2.1	1.9 - 9.0	1.9
Agency Certificates	CSA Class 9073 32	CSA Class 9073 32 32	CSA Class 9073 32
	TÜV - IEC730-1/J (EN60730-1/J)	TÜV - IEC730-1/J (EN60730-1/J)	TÜV - IEC730-1/J (EN60730-1/J)
	UL - 1434	UL - 1434	UL - 1434
RoHS Compliant	MF-VS	MF-VS(narrowbody)	MF-LR	MF-LL
Data Sheet

Top of Page

Specifications	MF-R/600	MF-RX/250	MF-SM/250V	MF-SM/250
Product Photo
Footprint	Radial Leaded	Radial Leaded	Surface Mount	Surface Mount
Hold Current - Ihold (Amps)	0.15 - 0.16	0.12 - 0.18	0.13	0.13
Agency Certificates	CSA Class 9073 32	CSA Class 9073 32	CSA Class 9073 32	CSA Class 9073 32
	TÜV - IEC730-1/J (EN60730-1/J)	TÜV - IEC730-1/J (EN60730-1/J)	TÜV - IEC730-1/J (EN60730-1/J)	TÜV - IEC730-1/J (EN60730-1/J)
	UL - 1434	UL - 1434	UL - 1434	UL - 1434
RoHS Compliant	MF-R/600	MF-RX/250	MF-SM/250V	MF-SM/250
Data Sheet

Top of Page


Telecom Ceramic PTC Resettable Fuses

Bourns offers Design Kits for this product line.
Bourns offers Telecom Design Kits that include this product line.