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Littelfuse Polyswitch Resettable Fuses

Brand: Raychem

The Littelfuse Polyswitch is a resettable device that performs like a fuse under overcurrent conditions, but is unique in that it will reset. As soon as an overcurrent condition is reached the Polyswitch heats up to its trip temperature.

UL and TUV approved

Note: Previously manufactured by Raychem.

Products
Technical Details

Image	Product	Buy Qty	Pricing (Ex VAT)	Height	Hold Current	Initial Resistance	Lead Pitch	Length	Max Voltage Rating	Trip Current	Trip Time	Max Current Rating	Package/Case Style

Image

Product

Buy Qty

Pricing (Ex VAT)

Height

Hold Current

Initial Resistance

Lead Pitch

Length

Max Voltage Rating

Trip Current

Trip Time

Max Current Rating

Package/Case Style

Littlefuse RXEF010 0.1A Polyswitch Fuse

Standard range

Order code: 26-0695

MPN: RXEF010

Order in multiples of 5

858 in stock, despatched same dayAdditional quantity lead time 8 months

5+	£0.273
50+	£0.222
100+	£0.184

Price per unit Ex VAT

12.7mm

0.1A

4.5Ω

5.1mm

7.4mm

60V

0.2A

40A

Radial leaded

Littlefuse RXEF020 0.2A Polyswitch Fuse

Standard range

Order code: 26-0700

MPN: RXEF020

Order in multiples of 5

612 in stock, despatched same dayAdditional quantity lead time 8 months

5+	£0.285
50+	£0.233
100+	£0.193

Price per unit Ex VAT

12.2mm

0.2A

2.75Ω

5.1mm

7.4mm

72V

0.4A

2.2s

40A

Radial leaded

Littlefuse RXEF025 0.25A Polyswitch Fuse

Standard range

Order code: 26-0705

MPN: RXEF025

Order in multiples of 5

304 in stock, despatched same dayAdditional quantity lead time 8 months

5+	£0.257
50+	£0.188
100+	£0.156

Price per unit Ex VAT

12.7mm

0.25A

1.95Ω

5.1mm

7.4mm

72V

0.5A

2.5s

40A

Radial leaded

Littlefuse RXEF030 0.3A Polyswitch Fuse

Standard range

Order code: 26-0710

MPN: RXEF030

Order in multiples of 5

657 in stock, despatched same dayAdditional 500 due on 26/06/2025

5+	£0.300
50+	£0.270
100+	£0.225

Price per unit Ex VAT

13mm

0.3A

1.33Ω

5.1mm

7.4mm

72V

0.6A

40A

Radial leaded

Littlefuse RXEF040 0.4A Polyswitch Fuse

Standard range

Order code: 26-0715

MPN: RXEF040

Order in multiples of 5

166 in stock, despatched same dayAdditional quantity lead time 5 months

5+	£0.345
50+	£0.282
100+	£0.234

Price per unit Ex VAT

13.5mm

0.4A

0.86Ω

5.1mm

7.6mm

72V

0.8A

3.8s

40A

Radial leaded

Littlefuse RXEF050 0.5A Polyswitch Fuse

Standard range

Order code: 26-0720

MPN: RXEF050

Order in multiples of 5

3,500 in stock, despatched same dayAdditional 1,000 due on 11/09/2025

5+	£0.277
50+	£0.238
100+	£0.198

Price per unit Ex VAT

13.7mm

0.5A

0.77Ω

5.1mm

7.9mm

72V

40A

Radial leaded

Littlefuse RXEF065 0.65A Polyswitch Fuse

Standard range

Order code: 26-0725

MPN: RXEF065

Order in multiples of 5

515 in stock, despatched same dayAdditional quantity lead time 8 months

5+	£0.287
50+	£0.247
100+	£0.219

Price per unit Ex VAT

14.5mm

0.65A

0.48Ω

5.1mm

9.7mm

72V

1.3A

5.3s

40A

Radial leaded

Littlefuse RXEF090 0.9A Polyswitch Fuse

Standard range

Order code: 26-0735

MPN: RXEF090

Order in multiples of 5

660 in stock, despatched same dayAdditional quantity lead time 7 months

5+	£0.509
50+	£0.415
100+	£0.345

Price per unit Ex VAT

15.8mm

0.9A

0.31Ω

5.1mm

11.7mm

72V

1.8A

7.2s

40A

Radial leaded

Littlefuse RXEF110 1.1A Polyswitch Fuse

Standard range

Order code: 26-0740

MPN: RXEF110

Order in multiples of 5

587 in stock, despatched same dayAdditional quantity lead time 14 days

5+	£0.364
50+	£0.297
100+	£0.247

Price per unit Ex VAT

18mm

1.1A

0.25Ω

5.1mm

13mm

72V

2.2A

8.2s

40A

Radial leaded

Littlefuse RUEF110 1.1A Polyswitch Fuse

Standard range

Order code: 26-0780

MPN: RUEF110

Order in multiples of 5

1,230 in stock, despatched same dayAdditional quantity lead time 14 days

5+	£0.323
50+	£0.271
100+	£0.201

Price per unit Ex VAT

14.2mm

1.1A

0.1Ω

5.8mm

7.4mm

30V

2.2A

6.6s

40A

Radial leaded

Littlefuse RUEF135 1.35A Polyswitch Fuse

Standard range

Order code: 26-0785

MPN: RUEF135

Order in multiples of 5

748 in stock, despatched same dayAdditional quantity lead time 14 days

5+	£0.282
50+	£0.226
100+	£0.175

Price per unit Ex VAT

13.5mm

1.35A

0.08Ω

5.8mm

8.9mm

30V

2.7A

7.3s

40A

Radial leaded

Littlefuse RUEF160 1.6A Polyswitch Fuse

Standard range

Order code: 26-0790

MPN: RUEF160

Order in multiples of 5

499 in stock, despatched same dayAdditional quantity lead time 14 days

5+	£0.354
50+	£0.290
100+	£0.241

Price per unit Ex VAT

15.2mm

1.6A

0.07Ω

5.8mm

8.9mm

30V

3.2A

40A

Radial leaded

Littlefuse RUEF185 1.85A Polyswitch Fuse

Standard range

Order code: 26-0795

MPN: RUEF185

Order in multiples of 5

776 in stock, despatched same dayAdditional quantity lead time 14 days

5+	£0.374
50+	£0.290
100+	£0.216

Price per unit Ex VAT

15.7mm

1.85A

0.06Ω

5.8mm

10.2mm

30V

3.7A

8.7s

40A

Radial leaded

Littlefuse RUEF250 2.5A Polyswitch Fuse

Standard range

Order code: 26-0800

MPN: RUEF250

Order in multiples of 5

570 in stock, despatched same dayAdditional quantity lead time 14 days

5+	£0.370
50+	£0.297
100+	£0.232

Price per unit Ex VAT

18.3mm

2.5A

0.04Ω

5.8mm

11.4mm

30V

10.3s

40A

Radial leaded

Raychem RUEF300 3.0A Polyswitch Fuse

Standard range

Order code: 26-0805

MPN: RUEF300

Order in multiples of 5

199 in stock, despatched same dayAdditional quantity lead time 14 days

5+	£0.325
50+	£0.261
100+	£0.200

Price per unit Ex VAT

16.5mm

0.05Ω

5.8mm

11.4mm

30V

10.8s

40A

Radial leaded

Littlefuse RUEF400 4.0A Polyswitch Fuse

Standard range

Order code: 26-0775

MPN: RUEF400

Order in multiples of 5

209 in stock, despatched same dayAdditional quantity lead time 14 days

5+	£0.480
50+	£0.385
100+	£0.320

Price per unit Ex VAT

19.3mm

0.03Ω

5.8mm

14mm

30V

12.7s

40A

Radial leaded

Littlefuse RUEF500 5.0A Polyswitch Fuse

Standard range

Order code: 26-0810

MPN: RUEF500

Order in multiples of 5

283 in stock, despatched same dayAdditional quantity lead time 14 days

5+	£0.570
50+	£0.463
100+	£0.385

Price per unit Ex VAT

24.1mm

0.03Ω

10.9mm

14mm

30V

10A

14.5s

40A

Radial leaded

I Hold	I Trip		Pack–	A	B	C	D	Depth	Lead	Mftr.	Order
A*	A**	VRMS	age	max.	max.	max.	max.	min.	size	part	code
0.1	0.2	60	1	7.4	12.7	5.1	7.6	3	0.6	RXE010	26–0695
0.17	0.34	60	1	7.4	12.7	5.1	7.6	3	0.6	RXE017	26–0840
0.2	0.4	60	1	7.4	12.2	5.1	7.6	3	0.6	RXE020	26–0700
0.25	0.5	60	1	7.4	12.7	5.1	7.6	3	0.6	RXE025	26–0705
0.3	0.6	60	1	7.4	13	5.1	7.6	3	0.6	RXE030	26–0710
0.4	0.8	60	1	7.6	13.5	5.1	7.6	3	0.6	RXE040	26–0715
0.5	1	60	1	7.9	13.7	5.1	7.6	3	0.6	RXE050	26–0720
0.65	1.3	60	1	9.7	14.5	5.1	7.6	3	0.6	RXE065	26–0725
0.9	1.8	60	1	15.7	15.1	5.1	7.6	3	0.6	RXE090	26–0735
1.1	2.2	30	3	13.0	18.0	5.1	7.6	3	0.8	RXE110	26–0740
1.1	2.2	30	4	6.6	14.2	5.1	7.6	3	0.8	RUE110	26–0780
1.35	2.7	30	4	8.9	15.7	5.1	7.6	3	0.8	RUE135	26–0785
1.6	3.2	30	4	8.9	15.2	5.1	7.6	3	0.8	RUE160	26–0790
1.85	3.7	30	4	10.2	15.7	5.1	7.6	3	0.8	RUE185	26–0795
2.5	5	30	4	11.4	18.3	10.2	7.6	3	0.8	RUE250	26–0800
3	6	30	2	11.4	17.3	10.2	7.6	3	0.8	RUE300	26–0805
4	8	30	2	14	20.1	10.2	7.6	3	0.8	RUE400	26–0775
5	10	30	2	14	24.9	10.2	7.6	3	0.8	RUE500	26–0810
6	12	30	2	16.5	24.9	10.2	7.6	3	0.8	RUE600	26–0815
*	I Hold – current at which fuse will not trip
* *	I Trip – current at which fuse will trip

Littelfuse Polyswitch Resettable Fuses

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Littelfuse Polyswitch Resettable Fuses