PolySwitch®

PTC Devices

Overcurrent Protection Device

PRODUCT: RUEF110S

DOCUMENT: SCD26522

REV LETTER: D

PAGE NO.: 1 OF 2

© 2016 Littelfuse,Inc.

littelfuse.com

Specifications are subject to change without notice.

Revised July 26, 2016

Maximum Electrical Rating at 20°C

Insulating Material:

Cured, Flame Retardant Epoxy Polymer

meets UL94 V-0 Requirements

Lead Material:

24 AWG Tin Plated Copper Clad Steel

Marking:

Manufacturer’s Mark

Lot Identification

and Part Identification

U110

TABLE I. DIMENSIONS:

A

B

C

D

E

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

mm:

--

7.4

--

14.2

4.3

5.8

7.6

--

--

3.0

in*:

--

(0.29)

--

(0.56)

(0.17)

(0.23)

(0.30)

--

--

(0.12)

*Rounded off approximation

TABLE II. PERFORMANCE RATINGS:

I HOLD

CURRENT

RATINGS

TIME TO

TRIP

RESISTANCE

ONE-HOUR

POST-TRIP

RESISTANCE

STANDARD

TRIP

TRIPPED POWER

DISSIPATION

AMPS

20°C

AMPS AT

20°C

SECONDS AT

20°C,

5.5A

OHMS

AT 20°C

OHMS

AT 20°C

WATTS AT

20°C

WATTS AT

20°C

HOLD

HOLD

TRIP

MAX

MIN

MAX

MAX

NOMINAL

MAX

1.10

1.10

2.20

6.6

0.07

0.10

0.17

0.70

1.17

Agency Recognitions:

UL, CSA, TUV

Reference Documents:

PS300

Precedence:

This specification takes precedence over documents referenced herein.

Effectivity:

Reference documents shall be the issue in effect on the date of invitation for bid.

CAUTION:

Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.

Materials Information

ROHS Compliant

ELV Compliant

Pb-Free

Halogen Free*

* Halogen Free refers to: Br≤900ppm, l≤900ppm, Br+Cl≤1500ppm

HF