Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
92
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Surface Mount Fuses
461E Series
Surge Resistant > 461E Series Enhanced TeleLink
®
Fuse
Please refer to www.littelfuse.com/series/461E.html for current information.
Materials
#PEZ$FSBNJD
5FSNJOBUJPOT4JMWFSQMBUFE$BQT
Product Marking #SBOE-PHP"NQFSF3BUJOH
Operating
Temperature
¡$UP¡$
Moisture Sensitivity
Level
-FWFM+o45%o$
Product Characteristics
Reow Condition 1Co'SFFBTTFNCMZ
Pre Heat
- Temperature Min (T
s(min)
) ¡$
- Temperature Max (T
s(max)
) ¡$
- Time (Min to Max) (t
s
) o4FDPOET
Average ramp up rate (Liquidus Temp
(T
L
) to peak
¡$4FD.BY
T
S(max)
to T
L
- Ramp-up Rate ¡$4FD.BY
Reow
- Temperature (T
L
) (Liquidus) ¡$
- Temperature (t
L
) o4FDPOET
Peak Temperature (T
P
)
¡$
Time within 5°C of actual peak
Temperature (t
p
)
o4FDPOET
Ramp-down Rate ¡$4FD.BY
Time 25°C to peak Temperature (T
P
) .JOVUFT.BY
Do not exceed ¡$
Soldering Parameters
Packaging
Part Numbering System
Packaging Option Packaging Specication Quantity Quantity & Packaging Code
NN5BQFBOE3FFM &*"34*&$QBSU &3
Thermal Shock
.*-o45%o.FUIPE5FTU
$POEJUJPO#DZDMFT¡$UP
¡$NJOVUFT!FBDIFYUSFNF
Mechanical Shock
.*-o45%o.FUIPE5FTU
$POEJUJPO*o4BXUPPUI8BWFGPSNNT
EVSBUJPO(TQFBL
Vibration
.*-o45%o.FUIPEI[
NJOVUF
Moisture Resistance .*-o45%o.FUIPEDZDMFT
No Load Humidity
.JM4UE.FUIPEIPVST
P$3)
0461 1.25 E E R
SERIES
AMP Code
QUANTITY Code
PACKAGING Code
&QDT
35BQFBOE3FFM
Enhanced TELELINK
®
Time
Temperature
T
P
T
L
T
S(max)
T
S(min)
25
t
P
t
L
t
S
time to peak temperature
(t 25ºC to peak)
Ramp-down
Ramp-up
Preheat
Critical Zone
T
L
to T
P
