Frequency Synthesizer
HDM9220
ALL OTHER PINS ARE GROUND
SYMBOL
DIMENSION(mm)
SYMBOL
DIMENSION(mm)
A
B
C
D
E
21.00±0.25
19.05±0.25
4.0±0.3
1.05 MAX
0.5
L1
S
T
U
W
X
Y
M
N
P
2.00
21
14.2
1.0
2.0
0.6
R=0.57
10.2
1.25
11
F
15.45
20.5
16.5
3.3
G
H
J
K
K1
L
1.5
2.0
2.00±0.05
Q
2.5
NOTE.UNLESS CASE OTHERWISE SPECIFICD:
1. THE METAL CASE IS GROUND.
2. ALL HALF VIA CONTACTS ARE PLATED THRU FROM THE PAN ON THE TOP SIDE
TO THE PAD ON THE BOTTOM SIDE OF THE BOARD.
3. CROSS HATCHED AREAS ARE GROUND AND ARE COVERED WITH LP1 SOLDER
MASK OVER BARE COPPER.ALL CONTACT AREAS ARE PLATED WITH Sn63/Pb37
SOLDER.
4. SUBSTRATE MATERIAL:FR-4.
5. HDMXXXX REPRESENTS THE MODEL NUMBER.
注意事项：
·To Good Grounding
·Good Power Filter
·The maximum Welding Temperature 230 oC，10S
www.shoulder.cn Tel:0755-82916880 Fax:0755-82916881 E-mail:info@shoulder.cn
Page 6 of 6
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