View products below to see detailed pricing

Fusible Wirewound Fixed Resistors - Type FWFU Series

FWFU Resistors combine resistance with fuse functionality, allowing normal current flow but breaking the circuit when current exceeds safe levels. Used in power supplies, chargers, and appliances, they help prevent overheating and short circuits.

More Less

Image Gallery |
Datasheet |

Connect with Us

Product Features

Resistor Type : Fusible Resistor
Element Type : Wire Wound
Power Rating (W): 1 | 2 | 3 | 5 | 7
Resistance Class : Up to 1kΩ
Resistance Value (Ω): .47 | .51 | .56 | .62 | .68 | .75 | .82 | .91 | 1 | 1.1 | 1.2 | 1.3 | 1.5 | 1.6 | 1.8 | 2 | 2.2 | 2.4 | 2.7 | 3 | 3.3 | 3.6 | 3.9 | 4.3 | 4.7 | 5.1 | 5.6 | 6.2 | 6.8 | 7.5 | 8.2 | 9.1 | 10 | 11 | 12 | 13 | 15 | 16 | 18 | 20 | 22 | 24 | 27 | 30 | 33 | 36 | 39 | 43 | 47 | 51 | 56 | 62 | 68 | 75 | 82 | 91 | 100 | 110 | 120 | 130 | 150 | 160 | 180 | 200 | 220 | 240

Available from

Product	TE Part #	Documents	Power Rating	Resistance Value	Temperature Coefficient	Passive Component Dimensions	Packaging Method
FWFU 1W R47 5%	2176791-1	Product Drawing 3D PDF	1 W	.47 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W R51 5%	2176791-2	Product Drawing 3D PDF	1 W	.51 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W R56 5%	2176791-3	Product Drawing 3D PDF	1 W	.56 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W R62 5%	2176791-4	Product Drawing 3D PDF	1 W	.62 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W R68 5%	2176791-5	Product Drawing 3D PDF	1 W	.68 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W R75 5%	2176791-6	Product Drawing 3D PDF	1 W	.75 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W R82 5%	2176791-7	Product Drawing 3D PDF	1 W	.82 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W R91 5%	2176791-8	Product Drawing 3D PDF	1 W	.91 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 1R0 5%	2176791-9	Product Drawing 3D PDF	1 W	1 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 1R1 5%	1-2176791-0	Product Drawing 3D PDF	1 W	1.1 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 1R2 5%	1-2176791-1	Product Drawing 3D PDF	1 W	1.2 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 1R3 5%	1-2176791-2	Product Drawing 3D PDF	1 W	1.3 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 1R5 5%	1-2176791-3	Product Drawing 3D PDF	1 W	1.5 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 1R6 5%	1-2176791-4	Product Drawing 3D PDF	1 W	1.6 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 1R8 5%	1-2176791-5	Product Drawing 3D PDF	1 W	1.8 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 2R0 5%	1-2176791-6	Product Drawing 3D PDF	1 W	2 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 2R2 5%	1-2176791-7	Product Drawing 3D PDF	1 W	2.2 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 2R4 5%	1-2176791-8	Product Drawing 3D PDF	1 W	2.4 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 2R7 5%	1-2176791-9	Product Drawing 3D PDF	1 W	2.7 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 3R0 5%	2-2176791-0	Product Drawing 3D PDF	1 W	3 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 3R3 5%	2-2176791-1	Product Drawing 3D PDF	1 W	3.3 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 3R6 5%	2-2176791-2	Product Drawing 3D PDF	1 W	3.6 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 3R9 5%	2-2176791-3	Product Drawing 3D PDF	1 W	3.9 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 4R3 5%	2-2176791-4	Product Drawing 3D PDF	1 W	4.3 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 4R7 5%	2-2176791-5	Product Drawing 3D PDF	1 W	4.7 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 5R1 5%	2-2176791-6	Product Drawing 3D PDF	1 W	5.1 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 5R6 5%	2-2176791-7	Product Drawing 3D PDF	1 W	5.6 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 6R2 5%	2-2176791-8	Product Drawing 3D PDF	1 W	6.2 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 6R8 5%	2-2176791-9	Product Drawing 3D PDF	1 W	6.8 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 7R5 5%	3-2176791-0	Product Drawing 3D PDF	1 W	7.5 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 8R2 5%	3-2176791-1	Product Drawing 3D PDF	1 W	8.2 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 9R1 5%	3-2176791-2	Product Drawing 3D PDF	1 W	9.1 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 10R 5%	3-2176791-3	Product Drawing 3D PDF	1 W	10 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 11R 5%	3-2176791-4	Product Drawing 3D PDF	1 W	11 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 12R 5%	3-2176791-5	Product Drawing 3D PDF	1 W	12 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 13R 5%	3-2176791-6	Product Drawing 3D PDF	1 W	13 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 15R 5%	3-2176791-7	Product Drawing 3D PDF	1 W	15 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 16R 5%	3-2176791-8	Product Drawing 3D PDF	1 W	16 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 18R 5%	3-2176791-9	Product Drawing 3D PDF	1 W	18 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 20R 5%	4-2176791-0	Product Drawing 3D PDF	1 W	20 Ω	±300 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 22R 5%	4-2176791-1	Product Drawing 3D PDF	1 W	22 Ω	±400 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 24R 5%	4-2176791-2	Product Drawing 3D PDF	1 W	24 Ω	±400 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 27R 5%	4-2176791-3	Product Drawing 3D PDF	1 W	27 Ω	±400 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 30R 5%	4-2176791-4	Product Drawing 3D PDF	1 W	30 Ω	±400 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 33R 5%	4-2176791-5	Product Drawing 3D PDF	1 W	33 Ω	±400 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 36R 5%	4-2176791-6	Product Drawing 3D PDF	1 W	36 Ω	±400 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 39R 5%	4-2176791-7	Product Drawing 3D PDF	1 W	39 Ω	±400 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 43R 5%	4-2176791-8	Product Drawing 3D PDF	1 W	43 Ω	±400 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 47R 5%	4-2176791-9	Product Drawing 3D PDF	1 W	47 Ω	±400 ppm/°C	12 x 5 mm	Ammo Packed
FWFU 1W 51R 5%	5-2176791-0	Product Drawing 3D PDF	1 W	51 Ω	±400 ppm/°C	12 x 5 mm	Ammo Packed

Overview

Datasheet

Fusible Wire Wound Fixed Resistor

TE Connectivity (TE)’s Fusible Wire Wound Fixed (FWFU) Resistor are a special type of resistor that also act as a safety fuse. They allow current to flow normally but break the circuit when the current exceeds a safe level, protecting electronic devices from damage.

Features

Please review product documents or contact us for the latest agency approval information.

Product Type Features

Resistor Type Fusible Resistor
Element Type Wire Wound

Configuration Features

Number of Resistors 1

Electrical Characteristics

Power Rating (W) 1 | 2 | 3 | 5 | 7
Resistance Class Up to 1kΩ
Resistance Value (Ω) .47 | .51 | .56 | .62 | .68 | .75 | .82 | .91 | 1 | 1.1 | 1.2 | 1.3 | 1.5 | 1.6 | 1.8 | 2 | 2.2 | 2.4 | 2.7 | 3 | 3.3 | 3.6 | 3.9 | 4.3 | 4.7 | 5.1 | 5.6 | 6.2 | 6.8 | 7.5 | 8.2 | 9.1 | 10 | 11 | 12 | 13 | 15 | 16 | 18 | 20 | 22 | 24 | 27 | 30 | 33 | 36 | 39 | 43 | 47 | 51 | 56 | 62 | 68 | 75 | 82 | 91 | 100 | 110 | 120 | 130 | 150 | 160 | 180 | 200 | 220 | 240
Passive Component Tolerance (%) 5

Body Features

Lead Type Axial-Leaded

Termination Features

Termination Area Base Material Copper
Number of Terminations 2

Dimensions

Passive Component Dimensions (mm) 12 x 5 | 16 x 5.5 | 17.5 x 6.5 | 20 x 8 | 20 x 5 | 25 x 8.5

Usage Conditions

Operating Temperature Range -55 – 155 °C [ -67 – 311 °F ]
Temperature Coefficient (ppm/°C) ±300 | ±400

Packaging Features

Packaging Method Ammo Packed | Bag & Box | Loose Piece - Box

Reference Number

TE Internal Number CAT-G41-F

Related Materials

Datasheets & Catalog Pages

Fusible Wire Wound Fixed Resistor - Type FWFU Series pdf English

Fusible Wirewound Fixed Resistors - Type FWFU Series

Product Features

Resistor Type : Fusible Resistor

Element Type : Wire Wound

Power Rating (W): 1 | 2 | 3 | 5 | 7

Resistance Class : Up to 1kΩ

Product Type Features

Resistor Type Fusible Resistor

Element Type Wire Wound

Configuration Features

Number of Resistors 1

Electrical Characteristics

Power Rating (W) 1 | 2 | 3 | 5 | 7

Resistance Class Up to 1kΩ

Passive Component Tolerance (%) 5

Body Features

Lead Type Axial-Leaded

Termination Features

Termination Area Base Material Copper

Number of Terminations 2

Dimensions

Passive Component Dimensions (mm) 12 x 5 | 16 x 5.5 | 17.5 x 6.5 | 20 x 8 | 20 x 5 | 25 x 8.5

Usage Conditions

Operating Temperature Range -55 – 155 °C [ -67 – 311 °F ]

Temperature Coefficient (ppm/°C) ±300 | ±400

Packaging Features

Packaging Method Ammo Packed | Bag & Box | Loose Piece - Box

Reference Number

TE Internal Number CAT-G41-F

Datasheets & Catalog Pages