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PCAFT4 PDF预览

PCAFT4

更新时间： 2024-11-13 10:40:47
品牌 Logo 应用领域
艾法斯 - AEROFLEX 衰减器射频微波
页数 文件大小 规格书
2页 378K
描述
RF/Microwave Attenuator, 0 MHz - 12400 MHz RF/MICROWAVE FIXED ATTENUATOR, ROHS COMPLIANT PACKAGE

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PCAFT4 数据手册

 浏览型号PCAFT4的Datasheet PDF文件第2页 
SERIES PCA, PCAA  
ATTENUATORS, CHIP  
Low Power – DC-18 GHz  
RoHS  
ꢀ
FEATURES  
• Laser Trimmed  
• Temperature Stable  
GENERAL INFORMATION  
The PCA and PCAA Series consists of a laser trimmed distrib-  
uted thin film element on an alumina ceramic substrate with  
solderable terminals. Two sizes are available. The PCA size  
operates to 12.4 GHz and the PCAA size operates to 18.0 GHz.  
Both sizes are available with leads and wrap around conduc-  
tors for ease of installation. The PCAF and PCAAF options are  
designed for “flip-chip” application in lower frequency circuits.  
PCA & PCAA SERIES DATA  
• Substrate: 96% Alumina  
• Solderable Terminals: Electroplated Silver over Nickel  
• Resistive Element: Proprietary Thin Film  
• Wrap around Ground Terminal available, “W” option  
• Wrap around-all terminals—“F” option  
• Standard values 1, 2, 3, 4, 5, 6, 10, 20 dB  
• Non-std. values available as special order  
GENERAL SPECIFICATIONS  
Impedance  
Operating Temperature –55°C to +150°C  
Attenuation Stability 0.0001 dB/dB/°C  
50 Ohms  
ORDERING INFORMATION  
The attenuators listed are available in 1 dB increments from 1  
through 20 dB. When ordering, to specify the correct part num-  
ber for the desired attenuation value, select any of the series  
listed and add the attenuation value desired to the basic series  
designation.  
AVERAGE POWER DERATING CURVE  
Options (Note 4)  
L = Lead/Tab (Gold Plated BeCu)  
POWER DERATING  
W = Wrap around ground only  
100  
75  
50  
F = Wrap around all terminals (flip-chip)  
T = Tinned terminals (any terminal type) SN62  
H = Tinned terminals ( any terminal type) SN96  
G = Gold plated terminals  
25  
0
EXAMPLE:  
PCA  
or  
25  
85  
150°C  
(x)  
(x)  
PCAA  
NOTES  
Basic Option(s)  
Option(s)  
dB  
1. Performance of other dB values vary dependent on attenuation.  
Contact factory for specifications for fractional dB values.  
Series  
L
W
F
T
H
G
Value  
2. Performance is based on device mounted in matched 50 ohm line.  
3. Rated power 1.5 watts input PCA, 100 mw PCAA.  
EXAMPLES: PCAW-T3  
PCAAF-G3  
4. Tinnning with SN96 “Lead Free” high temperature solder will maintain RoHS  
compliance.  
PERFORMANCE SPECIFICATIONS  
Attenuation  
Increments  
(dB)  
Attenuation Accuracy (dB) Note 2  
VSWR (Typical) Note 2  
DC - 4 GHz  
PCA, PCAA  
Series  
4 - 8 GHz  
PCA, PCAA  
Series  
8 - 12.4 GHz  
PCA, PCAA  
Series  
12.4 - 18 GHz  
PCAA  
Series Only  
DC - 4 GHz  
PCA, PCAA  
Series  
4 - 8 GHz  
PCA, PCAA  
Series  
8 - 12.4 GHz 12.4 - 18 GHz  
PCA, PCAA  
Series  
PCAA  
Series Only  
Note 1  
1 - 3  
4 - 6  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.75  
1.0  
—
1.25  
1.25  
1.25  
1.25  
1.35  
1.35  
1.35  
1.35  
1.50  
1.50  
1.50  
1.50  
1.50  
1.50  
1.50  
—
7 - 10  
11 - 15  
0.5  
0.75  
0.75  
+0.5  
-3.0  
+0.5  
-4.0  
16 - 20  
1.0  
+0.5  
-4.0  
—
—
1.25  
1.35  
—
—
KEY: Inches [Millimeters] .XX .03 .XXX .010 [.X 0.8 .XX 0.25]  
REV 3/09  
12

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