8
DEMO MANUAL DC309
NO-DESIGN SWITCHER
dc309fa
LINEAR TECHNOLOGY CORPORATION 2001
LT/TP 0603 500 REV A • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
PC FAB DRAWI
U
G
DD
C
B
A
2.300
2.200
A
C
NOTES: UNLESS OTHERWISE SPECIFIED
1. MATERIAL: FR4 OR EQUIVALENT EPOXY,
2 OZ COPPER CLAD, THICKNESS 0.062 ±0.006
TOTAL OF 4 LAYERS
2. FINISH: ALL PLATED HOLES 0.001 MIN/0.0015 MAX
COPPER PLATE, ELECTRODEPOSITED TIN-LEAD COMPOSITION
BEFORE REFLOW, SOLDER MASK OVER BARE COPPER (SMOBC)
3. SOLDER MASK: BOTH SIDES USING LPI OR EQUIVALENT
4. SILKSCREEN: USING WHITE NONCONDUCTIVE EPOXY INK
5. ALL DIMENSIONS IN INCHES
6. SCORING
SYMBOL
A
B
C
D
PLATED
PLTD
PLTD
NPLTD
PLTD
DIAMETER
0.015
0.040
0.072
0.094
TOTAL HOLES
NUMBER
OF HOLES
33
6
2
6
47
0.017
