SIDACtor
®
Protection Thyristors
39
Revised: February 22, 2011
© 2011 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
Broadband Optimized™ Protection
Packing Options
Package Type Description Quantity Added Suffix
Industry Standard
Q38
5x6x1.5 QFN
Tape and Reel
4000 N/A EIA-481-D
Tape and Reel Specifications — 5x6 QFN
A
B
C
W
1
N
Reel Dimension
K
0
P
0
P
1
W
D
0
A
0
D
1
P
2
E
2
F
W
0
CARRIER TAPE
COVER TAPE
T
E
1
B
0
Tape Dimension Items
TRAILER
160mm MIN
LEADER
400mm MIN
CARRIER TAPE
COVER TAPE
Tape Leader and Trailer Dimensions
START
END
Symbols Description
Inches Millimeters
Min Max Min Max
A Reel Diameter N/A 12.992 N/A 330.0
B Drive Spoke Width 0.059 N/A 1.50 N/A
C Arbor Hole Diameter 0.504 0.531 12.80 13.50
D Drive Spoke Diameter 0.795 N/A 20.20 N/A
N Hub Diameter 1.969 N/A 50.00 N/A
W
1
Reel Inner Width at Hub 0.488 0.567 12.40 14.40
A
0
Pocket Width at Bottom 0.204 0.212 5.20 5.40
B
0
Pocket Length at Bottom 0.244 0.252 6.20 6.40
D
0
Feed Hole Diameter 0.059 0.063 1.50 1.60
D
1
Pocket Hole Diameter 0.059 N/A 1.50 N/A
E
1
Feed Hole Position 1 0.065 0.073 1.65 1.85
E
2
Feed Hole Position 2 0.400 0.408 10.15 10.35
F
Feed Hole Center -
Pocket Hole Center 2
0.212 0.220 5.40 5.60
K
0
Pocket Depth 0.067 0.075 1.70 1.90
P
0
Feed Hole Pitch 0.153 0.161 3.90 4.10
P
1
Component Spacing 0.311 0.319 7.90 8.10
P
2
Feed Hole Center -
Pocket Hole Center 1
0.077 0.081 1.90 2.10
T Carrier Tape Thickness 0.010 0.014 0.25 0.35
W
Embossed Carrier
Tape Width
0.460 0.484 11.70 12.30
W
0
Cover Tape Width 0.358 0.366 9.10 9.30
