POLYFUSE
®
Resettable PTCs
Surface Mount > Lo Rho Series
Soldering Parameters
Profile Feature
S(max)
to T
P
)
Temperature Min (T
s(min)
)
Temperature Max (T
s(max)
)
Time (Min to Max) (t
s
)
60 – 180 secs
60 – 150 seconds
Time Maintained
Temperature (T
L
)
Temperature (t
L
)
P
)
260
20 – 40 seconds
Temperature (t
p
)
)
P
8 minutes Max.
performance requirements
2
environment for lead
Dimensions
Device Dimensions
Solder Pad Layout
A
C
Side
View
Top
View
B
G
H
F
F
Bottom
View
D
E
Marking code varies by device --
See Electrical Characteristics table
Device Dimension
Part Number
A
mm
Min
Max
Min
Solder Pad Layout
D
mm
E
mm
Min
Max
Max
B
mm
Max
Min
C
mm
Max
Min
F
mm
1.00
1.00
1.00
1.00
1.00
G
mm
1.20
1.80
1.80
2.00
2.00
3.45
H
mm
1.50
1.80
1.80
2.50
2.50
3.15
0805L110SLYR
1206L110SLYR
1206L150SLYR
1210L200SLYR
1812L190SLPR
2.00 2.20 1.20
3.00 3.40 1.50
3.00 3.40 1.50
1.50 0.40
1.80 0.40
1.80 0.40
0.20
0.25
0.25
0.25
0.25
0.30
0.55
0.10
0.10
0.10
0.20
0.20
0.45
0.45
0.45
0.50
0.50
0.65
3.00 3.43 2.35 2.80 0.40
3.00 3.43 2.35 2.80 0.60 1.00
3.41 0.40
1.20
0.25
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/LoRho.html for current information.
Revised: October 7, 2009
Lo Rho Series
Lo Rho Series
LITTELFUSE [ LITTELFUSE ]
