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RXEF300-1

型号:

RXEF300-1

品牌:

LITTELFUSE[ LITTELFUSE ]

页数:

2 页

PDF大小:

237 K

PRODUCT : RXEF300-1  
PolySwitch®  
DOCUMENT : SCD26907  
REV LETTER : E  
REV DATE: JULY 26, 2016  
PAGE NO.: 1 OF 2  
PTC Devices  
Overcurrent Protection Device  
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  
and Part Identification  
X300  
Lot Identification  
TABLE I. DIMENSIONS:  
A
B
C
D
E
MIN  
--  
--  
MAX  
23.9  
(0.94)  
MIN  
--  
--  
MAX  
28.6  
(1.13)  
MIN  
9.4  
(0.37)  
MAX  
10.9  
(0.43) (1.00)  
MIN  
25.4  
MAX  
--  
--  
MIN  
--  
--  
MAX  
3.0  
(0.12)  
mm:  
in*:  
*Rounded off approximation  
TABLE II. PERFORMANCE RATINGS:  
I HOLD  
RATED  
CURRENT  
CURRENT  
RATINGS  
INITIAL  
RESISTANCE  
VALUES  
TIME TO TRIP  
ONE HOUR  
POST-TRIP  
RESISTANCE  
STANDARD  
TRIP  
TRIPPED- STATE  
POWER  
DISSIPATION  
AMPERES  
AT 20C  
HOLD  
AMPERES  
AT 20C  
OHMS  
AT 20C  
SECONDS AT  
20C, 15.0A  
MAX  
OHMS  
AT 20C  
MAX  
WATTS  
AT 20C  
NOMINAL  
2.8  
WATTS  
AT 20C  
MAX  
HOLD TRIP  
MIN  
0.04  
MAX  
0.06  
3.0  
3.0  
6.0  
19.8  
0.10  
3.49  
Agency Recognitions  
Reference Documents:  
Precedence:  
UL, CSA, TUV, CQC  
PS300  
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*  
HF  
* Halogen Free refers to: Br900ppm, Cl900ppm, Br+Cl1500ppm.  
© 2016 Littelfuse,Inc  
littelfuse.com  
Specifications are subject to change without notice.  
Revised July 26, 2016  
PRODUCT : RXEF300-1  
PolySwitch®  
DOCUMENT : SCD26907  
REV LETTER : E  
REV DATE: JULY 26, 2016  
PAGE NO.: 2 OF 2  
PTC Devices  
Overcurrent Protection Device  
Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their  
own applications. Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, military, aerospace, medical, lifesaving,  
life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired  
operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation.  
Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall  
not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse  
documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse  
© 2016 Littelfuse,Inc  
littelfuse.com  
Specifications are subject to change without notice.  
Revised July 26, 2016  
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