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参数资料
| 型号： | ATV321CR-7H1DBL |
| 厂商： | YAGEO CORP |
| 元件分类： | 衰减器 |
| 英文描述： | 0 MHz - 2500 MHz RF/MICROWAVE VARIABLE ATTENUATOR |
| 封装： | LEAD FREE PACKAGE-4 |
| 文件页数： | 3/7页 |
| 文件大小： | 211K |
| 代理商： | ATV321CR-7H1DBL |
Product specification
3
7
www.yageo.com
Oct 12, 2004 V.0
Chip Resistors RF Attenuators
SERIES
AT
V321 (0404) / Pb Free
DIMENSIONS
TYPE
ATV321
L (mm)
1.0 ±0.10
W (mm)
1.0 ±0.10
T (mm)
0.35 ±0.05
A (mm)
0.33 ±0.10
B (mm)
0.15 ±0.10
P (mm)
0.65 ±0.10
D (mm)
0.25 ±0.10
CONSTRUCTION
The attenuators are constructed on a high-grade
ceramic body (aluminium oxide). The internal
circuit is applied to the top surface of the substrate,
and its design determines the required attenuation
value. The attenuation layer is covered with a
protective coating and a marking dot indicates input
pin 1 as shown in the connection diagram of Fig.1.
Finally, the four external end terminations are
added. To guarantee optimum solderability the
outer layer of the terminations are lead free (pure
Tin).
MARKING
No marking.
HBK077
13
24
input
signal
attenuated
output signal
Fig. 1 Connection diagram
Table 1
SCR019
L
P
B
W
D
A
T
Fig. 2 Attenuator dimensions
For dimension see Table 1
The rectangular marker designates input pin 1.
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