Littelfuse SR70 Series Uživatelský manuál stáhnout pdf (Strana 4)

Speciﬁcations are subject to change without notice.

Revised: 04/24/13

TVS Diode Arrays (SPA

Diodes)

Lightning Surge Protection- SR70 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

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

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

1 2 3 4

Diodes) 1
Temperature 3

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