English
Language : 

RXEF300K Datasheet, PDF (1/1 Pages) Tyco Electronics – PolySwitch PTC Devices
PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: RXEF300K
DOCUMENT: SCD26451
REV LETTER: D
REV DATE: FEBRUARY 06, 2012
PAGE NO.: 1 OF 1
Specification Status: Released
Electrical Rating
Voltage: 72 V max (AC or DC)
Current: 40 A max (AC or DC)
Insulating Material:
Cured, Flame Retardant Epoxy Polymer
meets UL94 V-0 Requirements
Lead Material:
20 AWG Tin Plated Copper
Marking:
Manufacturer’s Mark
X300 and Part Identification
Lot Identification
TABLE I. DIMENSIONS:
A
B
C
D
MIN MAX MIN MAX MIN MAX MIN MAX
mm: -- 23.11 --
29.3
9.4
10.9 7.6
--
in*: -- (0.91) -- (1.16) (0.37) (0.43) (0.30) --
*Rounded off approximation
E
MIN MAX
--
3.0
-- (0.12)
TABLE II. PERFORMANCE RATINGS:
I HOLD
CURRENT
INITIAL
RATED
RATINGS
RESISTANCE
CURRENT
VALUES
TIME TO TRIP
AMPERES
AT 20C
HOLD
3.0
AMPERES
AT 20C
HOLD TRIP
3.0
6.0
OHMS
AT 20C
MIN MAX
0.04 0.06
SECONDS AT
20C, 15.0A
MAX
19.8
ONE HOUR
POST-TRIP
RESISTANCE
STANDARD
TRIP
OHMS
AT 20C
MAX
0.10
TRIPPED- STATE
POWER
DISSIPATION
WATTS
AT 20C
NOMINAL
2.8
WATTS
AT 20C
MAX
3.49
Agency Recognitions
Reference Documents:
Precedence:
Effectivity:
CAUTION:
UL, CSA, TUV
PS300
This specification takes precedence over documents referenced herein.
Reference documents shall be the issue in effect on the date of invitation for bid.
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*
HF
* Halogen Free refers to: Br≤900ppm, Cl≤900ppm, Br+Cl≤1500ppm.
© 2005, 2012 Tyco Electronics Corporation, a TE Connectivity Ltd. Company. All rights reserved.