Littelfuse SR05 Series - Manual (Page 4)

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/24/13
TVS Diode Arrays
(SPA ® Diodes)
Lightning Surge Protection- SR05 Series
Embossed Carrier Tape & Reel Specification—SOT143
User Feeding Direction
Pin 1
Symbol Millimeters
A 3.19±0.10
B 2.8±0.10
C 1.31±0.10
d 1.50±0.10
E 1.75±0.10
F 3.50±0.10
P0 4.00±0.10
P 4.00±0.10
P1 2.00±0.10
W 8.00±0.10
Package Dimensions—SOT143
Notes :
1. All dimensions are in millimeters
503B
E E1
c
e
e1
1 2
4 3
b2 b A1
A
D
L
L1
3.40 (.134")
3.60 (.140")
0.80 (.032")
1.00 (.040")
2.20
(.087")
REF
1.90
(.075")
1.70
(.067")
1.00 (.040")
1.20 (.048") 0.80 (.032")
1.00 (.040")
BSC
MAX
1.40 (.055")
Package SOT143
Pins 4
JEDEC TO-253
Millimeters Inches
Min Max Min Max
A 0.8 1.22 0.03 0.048
A1 0.05 0.15 0.002 0.006
b 0.30 0.50 0.012 0.020
b2 0.76 0.89 0.030 0.035
c 0.08 0.20 0.003 0.008
D 2.80 3.04 0.110 0.120
E 2.10 2.64 0.082 0.104
E1 1.20 1.40 0.047 0.055
e 1.92 BSC 0.076 BSC
e1 0.20 BSC 0.008 BSC
L 0.4 0.6 0.016 0.024
L1 0.550 REF 0.022 REF
503B
E E1
c
e
e1
1 2
4 3
b2 b A1
A
D
L
L1
3.40 (.134")
3.60 (.140")
0.80 (.032")
1.00 (.040")
2.20
(.087")
REF
1.90
(.075")
1.70
(.067")
1.00 (.040")
1.20 (.048") 0.80 (.032")
1.00 (.040")
BSC
MAX
1.40 (.055")
Recommended Pad Layout