MF-R055/90U-0

Obsolete

Bourns Inc.

PTC RESET FUSE 90V 550MA RADIAL

Search across all available documentation for this part.

Obsolete

Bourns Inc.

PTC RESET FUSE 90V 550MA RADIAL

Technical Specifications

Parameters and characteristics for this part

Specification	MF-R055/90U-0

Approval Agency	cURus, TUV
Current - Hold (Ih) (Max) [Max]	550 mA
Current - Trip (It)	1.1 A
Height - Seated (Max) [Max]	16.7 mm
Height - Seated (Max) [Max]	0.657 in
Lead Spacing	5.1 mm
Lead Spacing	0.201 in
Mounting Type	Through Hole
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	Disc, Radial
Resistance - Initial (Ri) (Min) [Min]	450 mOhms
Resistance - Post Trip (R1) (Max) [Max]	2 Ohms
Size / Dimension [diameter]	0.429 in
Size / Dimension [diameter]	10.9 mm
Size / Dimension [z]	0.142 in
Size / Dimension [z]	3.6 mm
Time to Trip	28 s
Type	Polymeric
Voltage - Max [Max]	90 V

Part	Package / Case	Approval Agency	Height - Seated (Max) [Max]	Height - Seated (Max) [Max]	Mounting Type	Resistance - Post Trip (R1) (Max) [Max]	Current - Hold (Ih) (Max) [Max]	Current - Trip (It)	Resistance - Initial (Ri) (Min) [Min]	Type	Lead Spacing	Lead Spacing	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Max [Max]	Time to Trip	Size / Dimension [diameter]	Size / Dimension [diameter]	Size / Dimension [z]	Size / Dimension [z]
Bourns Inc. MF-R055/90U-0	Disc Radial	cURus TUV	16.7 mm	0.657 in	Through Hole	2 Ohms	550 mA	1.1 A	450 mOhms	Polymeric	5.1 mm	0.201 in	85 °C	-40 °C	90 V	28 s	0.429 in	10.9 mm	0.142 in	3.6 mm

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

General part information

Polymeric PTC Resettable Fuse 90V 550 mA Ih Through Hole Radial, Disc

Technical documentation and resources