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RXEF040S
P1-P2
Poly
Sw
itc
h®
PTC Dev
ices
Overcurrent Protection Device
PRODUCT: RXEF
040S
DOCUM
ENT: SCD
26111
REV LETTER: G
REV DATE: JULY 26, 2016
PAGE NO.: 1 OF 2
© 2016 Littelfuse,Inc.
littelfuse.com
Specifications are subject to change w
ithout notice.
Revised July 26, 20
16
Specification Status:
Released
Electrical Rating
Voltage: 72 V
m
ax (AC or DC)
Current: 40 A max (AC or DC)
Insulating Material
:
Cured, Flame Retardant Epoxy
Poly
mer
meets UL94 V-0 Requirem
ents
Lead Material:
24 AW
G Tin
Pla
ted Copper Clad Steel
Marking:
Manufacturer’s M
ark
Lot Identification
and
Part Identification
X
40
TABLE I. DIMENSIONS:
A
B
C
D
E
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
mm:
--
7.6
--
11.0
4.3
5.8
7.6
--
--
3.0
in*:
--
(0.30)
--
(0.43)
(0.17)
(0.23)
(0.30)
--
--
(0.12)
*Rounded off a
pprox
imatio
n
T
A
BLE II. PE
RFORM
A
NCE RA
TINGS :
I HOLD
RATED
CURRENT
CURRENT
RATINGS
INITIAL
RESISTANCE
VALUES
TIM
E TO TRIP
ONE HOUR
POST-TRIP
RESISTANCE
STANDARD
TRIP
TRIPPED- STAT
E
POW
ER
DISSIPATION
AMPERES
AT 20
C
AMPERES
AT 20
C
OHMS
AT 20
C
SECONDS AT
20
C, 2.0A
OHMS
AT 20
C
W
ATTS
AT 20
C
W
ATTS
AT 20
C
HOLD
HOLD
TRIP
MIN
MAX
MAX
MAX
NOMINAL
MAX
0.40
0.40
0.80
0.55
0.86
3.8
1.29
0.56
0.82
Recogniti
ons:
UL, CSA, TUV, CQC
Reference Doc
uments:
PS300
Precedenc
e:
This speci
fication takes
precedence over doc
uments referenced
herein.
Effectivity:
Reference doc
uments shall b
e the issue in e
ffect on the date o
f invitation for bid.
CAUTION:
Operation be
yond the rated voltage or c
urrent may result in ru
pture
, electrical a
rcing or flame.
Materials Information
ROHS Compliant
ELV Compliant
Pb
-Free
Halogen Free*
*
Halogen Free refers to: Br
≤
900ppm, Cl
≤
900ppm, B
r+C
l
≤
1500ppm.
HF
Poly
Sw
itc
h®
PTC Dev
ices
Overcurrent Protection Device
PRODUCT: RXEF
040S
DOCUM
ENT: SCD
26111
REV LETTER: G
REV DATE: JULY 26, 2016
PAGE NO.: 2 OF 2
© 2016 Littelfuse,Inc.
littelfuse.com
Specifications are subject to change w
ithout notice.
Revised July 26, 20
16
P1-P2
RXEF040S
Mfr. #:
Buy RXEF040S
Manufacturer:
Littelfuse
Description:
Resettable Fuses - PPTC Radial Lead .4A 72V 40A Imax
Lifecycle:
New from this manufacturer.
Delivery:
DHL
FedEx
Ups
TNT
EMS
Payment:
T/T
Paypal
Visa
MoneyGram
Western
Union
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