Protection of Circuits in a New Dimension

2026-03-24

The new polymer fuse series from BOURNS - effective circuit protection

We present branded polymer fuses from BOURNS, combining modern design with high reliability in protecting electronic circuits. The range includes both through-hole (THT) and surface-mount (SMD) fuses in popular sizes, ensuring that every project can be equipped with the appropriate protective component.

Why choose these fuses?

They are small, versatile, and durable. They perform well in a variety of electronic circuits, providing overload protection and stable system operation, giving designers and manufacturers confidence in their reliability.

Key features of the series:

  • Wide current range: from 0.10A in miniature SMD fuses up to 5A in larger THT models.
  • Variety of operating voltages: from 6V to 60V, suitable for a wide range of low-voltage systems.
  • Thermal resistance: all models operate from -40°C to +85°C, ensuring stability even in harsh environmental conditions.
  • Compatibility and equivalents: each model has multiple market-standard replacements, simplifying replacement and integration with existing circuits.
  • Durable construction: polymer housing ensures safety, resistance to shocks and vibrations, and electrical stability.

Applications

  • Professional and industrial electronics - circuit protection in power supplies, audio systems, controllers, and low-voltage devices.
  • Industry and automation - reliable protection of PLCs, relays, and low-voltage power systems.
  • Automotive and transportation - safeguarding sensitive circuits in electric vehicles and onboard systems.
  • Engineering projects and prototyping - miniature SMD versions allow easy assembly and fast integration into professional projects and lab tests.

Backed by Bourns proven quality, our products deliver dependable protection across all projects, from professional electronics and prototypes to industrial systems.

If you want to check current stock levels and prices, click on the product symbol.

SYMBOL DESCRIPTION

MF-R050

MF-R050 Bourns Bezpiecznik

Resettable fuse; THT; current: 0.50A; voltage: 60V; r=5.1mm; operating temperature: -40÷85°C; equivalents: Bp500-060; RXEF050; FRX050-60F; 60R050

MF-R065

MF-R065 Bourns Bezpiecznik

Resettable fuse; THT; current: 0.65A; voltage: 60V; r=5.1mm; operating temperature: -40÷85°C; equivalents: Bp650-060; RXEF065; FRX065-60F; 60R065

MF-R090

MF-R090 Bourns Bezpiecznik

Resettable fuse; THT; current: 0.90A; voltage: 60V; r=5.1mm; operating temperature: -40÷85°C; equivalents: Bp900-060; RXEF090; FRX090-60F; 60R090

MF-R110

MF-R090 Bourns Bezpiecznik

Resettable fuse; THT; current: 1.1A; voltage: 30V; r=5.1mm; operating temperature: -40÷85°C; equivalents: BpA01.10-030; RUEF110; FRU110-30F; 30R110; 0ZRB0110FF1C

MF-R160

MF-R090 Bourns Bezpiecznik

Resettable fuse; THT; current: 1.6A; voltage: 30V; r=5.1mm; operating temperature: -40÷85°C; equivalents: BpA01.60-030; RUEF160; FRU160-30F; 30R160; 0ZRB0160FF1E

MF-R185

MF-R090 Bourns Bezpiecznik

Resettable fuse; THT; current: 1.85A; voltage: 30V; r=5.1mm; endurance: 100cycles; operating temperature: -40÷85°C; equivalents: RUE185; FRU185-30F; 30R185; BpA01.85-030

MF-R300

MF-R300 Bourns Bezpiecznik

Resettable fuse; THT; current: 3A; voltage: 30V; r=5.1mm; operating temperature: -40÷85°C; equivalents: BpA03.00-030; RUEF300; FRU300-30F; 30R300; 0ZRB0300FF1A

MF-R400

MF-R300 Bourns Bezpiecznik

Resettable fuse; THT; current: 4A; voltage: 30V; r=5.1mm; operating temperature: -40÷85°C; equivalents: BpA04.00-030; RUEF400; FRU400-30F; 30R400; 0ZRB0400FF1A

MF-R500

MF-R300 Bourns Bezpiecznik

Resettable fuse; THT; current: 5A; voltage: 30V; r=10.2mm; operating temperature: -40÷85°C; equivalents: BpA05.00-030; RUEF500; FRU500-30F; 30R500; 0ZRB0500FF1A

MF-PSMF010X-2

MF-PSMF010X-2 Bourns Bezpiecznik

Resettable fuse; SMD0805; current: 0.10A; voltage: 15V; operating temperature: -40÷85°C equivalents: BpS05-100-15; FSMD010-0805; 0805L010; SMD0805B010TF; 0ZCK0010FF2G

MF-PSMF020X-2

MF-PSMF010X-2 Bourns Bezpiecznik

Resettable fuse; SMD0805; current: 0.20A; voltage: 9V; operating temperature: -40÷85°C equivalents: BpS05-200-09; PICOSMDC020S-2; FSMD020-0805; 0805L020; 0ZCK0020FF2G

MF-PSMF035X-2

MF-PSMF010X-2 Bourns Bezpiecznik

Resettable fuse; SMD0805; current: 0.35A; voltage: 6V; operating temperature: -40÷85°C equivalents: BpS05-350-06; PICOSMDC035S-2; FSMD035-0805; 0805L035; 0ZCK0035FF2G

MF-PSMF075X-2

MF-PSMF075X-2 Bourns Bezpiecznik

Resettable fuse; SMD0805; current: 0.75A; voltage: 6V; operating temperature: -40÷85°C equivalents: BpS05-750-06; FSMD075-0805R; 0805L075; 0ZCK0075FF2E

MF-NSMF012-2 

MF-NSMF012-2 Bourns Bezpiecznik

Resettable fuse; SMD1206; current: 0.12A; voltage: 30V; operating temperature: -40÷85°C equivalents: PTS120630V012

MF-NSMF020-2

MF-NSMF012-2 Bourns Bezpiecznik

Resettable fuse; SMD1206; current: 0.20A; voltage: 24V; operating temperature: -40÷85°C equivalents: 1206L020YR; BpS06-200-24

MF-PSMF110X-2

MF-PSMF110X-2 Bourns Bezpiecznik

Resettable fuse; SMD0805; current: 1.10A; voltage: 6V; operating temperature: -40÷85°C equivalents: BpS05A01.10-06; 0805L110SLYR; 0ZCK0110FF2E

MF-MSMF010-2 

MF-MSMF010-2 Bourns Bezpiecznik

Resettable fuse; SMD1812; current: 0.10A; voltage: 60V; operating temperature: -40÷85°C; equivalents: 1812L010; BpS12-100-60; 0ZCG0010FF2C

MF-MSMF014-2

MF-MSMF010-2 Bourns Bezpiecznik

Resettable fuse; SMD1812; current: 0.14A; voltage: 60V; operating temperature: -40÷85°C; equivalents: MINISMDC014F-2; FSMD014; MSMF; 1812L014; 0ZCG0014FF2C; BpS12-140-60

MF-MSMF020-2

MF-MSMF010-2 Bourns Bezpiecznik

Resettable fuse; SMD1812; current: 0.20A; voltage: 30V; operating temperature: -40÷85°C; equivalents: BpS12-200-30; MINISMDC020F-2; FSMD020; 1812L020; 0ZCG0020FF2C

MF-MSMF030-2

MF-MSMF010-2 Bourns Bezpiecznik

Resettable fuse; SMD1812; current: 0.30A; voltage: 30V; operating temperature: -40÷85°C; equivalents: BpS12-300-30; MINISMDC030F-2; PFMF.030.2; 0ZCG0030FF2C

MF-MSMF050-2

MF-MSMF010-2 Bourns Bezpiecznik

Resettable fuse; SMD1812; current: 0.50A; voltage: 15V; operating temperature: -40÷85°C; equivalents: BpS12-500-15; 1812L050

MF-MSMF075/24-2 

MF-MSMF010-2 Bourns Bezpiecznik

Resettable fuse; SMD1812; current: 0.75A; voltage: 24V; operating temperature: -40÷85°C; equivalents: BpS12-750-24; MINISMDC075F-2; FSMD075; 1812L075; 0ZCG0075AF2B

MF-MSMF110/16-2

MF-MSMF010-2 Bourns Bezpiecznik

Resettable fuse; SMD1812; current: 1.10A; voltage: 16V; operating temperature: -40÷85°C; equivalents: BpS12A01.10-16; MINISMDC110F/16-2; FSMD110-16; 1812L110/16; 0ZCG0110AF2C

MF-MSMF110/24X-2

MF-MSMF010-2 Bourns Bezpiecznik

Resettable fuse; SMD1812; current: 1.10A; voltage: 24V; operating temperature: -40÷85°C; freeXpansion construction; equivalents: BpS12A01.10-24; MINISMDC110F/24-2; FSMD110-24; 1812L110/24; 0ZCG0110BF2B

MF-MSMF150/24X-2

MF-MSMF010-2 Bourns Bezpiecznik

Resettable fuse; SMD1812; current: 1.5A; voltage: 24V; operating temperature: -40÷85°C; freeXpansion construction; equivalents: BpS12A01.50-24; MINISMDC150F/24-2; FSMD150-24R; 1812L150/24MR; 0ZCG0150BF2C

MF-SM050-2

MF-SM050-2 Bourns Bezpiecznik

Resettable fuse; SMD2920; current: 0.50A; voltage: 60V; operating temperature: -40÷85°C; equivalents: FSMD050-2920; 0ZCF0050FF2C; 2920L050DR; SMD050F-2; BpS20-500-60

MF-LSMF185/33X-2

MF-LSMF185/33X Bourns Bezpiecznik

Resettable fuse; SMD2920; current: 1.85A; voltage: 33V; operating temperature: -40÷85°C equivalents: FSMD185-2920; BpS20A01.85-33; SMD185F-2; 2920L185DR; 0ZCF0185FF2C
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