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參數資料
| 型號： | PCAF-T2 |
| 元件分類： | 衰減器 |
| 英文描述： | 0 MHz - 18000 MHz RF/MICROWAVE FIXED ATTENUATOR |
| 封裝： | ROHS COMPLIANT PACKAGE-2 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 62K |
| 代理商： | PCAF-T2 |
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
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.
Options (Note 4)
L = Lead/Tab (Gold Plated BeCu)
W = Wrap around ground only
F = Wrap around all terminals (flip-chip)
T = Tinned terminals (any terminal type) Sn63
H = Tinned terminals (any terminal type) Sn96
G = Gold plated terminals
SERIES PCA, PCAA
ATTENUATORS, CHIP
Low Power – DC-18 GHz
NOTES
1. Performance of other dB values vary dependent on attenuation.
Contact factory for specifications for fractional dB values.
2. Performance is based on device mounted in matched 50 Ohm line.
3. Rated power 1.5 Watts input PCA, 100 mw PCAA.
4. Tinning with Sn96 “Lead Free” high temperature solder will maintain RoHS
compliance.
GENERAL SPECIFICATIONS
Impedance
50 Ohms
Operating Temperature
–55°C to +150°C
Attenuation Stability
0.0001 dB/dB/°C
EXAMPLE:
EXAMPLES:
PCA
or
PCAA
(x)
Option(s)
L
W
F
Basic
Series
PCAW-T3
PCAAF-G3
(x)
Option(s)
T
H
G
dB
Value
AVERAGE POWER DERATING CURVE
25
100
75
50
25
0
85
150°C
POWER DERATING
%
O
F
R
A
TED
POWER
Attenuation Accuracy (dB) Note 2
VSWR (Typical) Note 2
Increments
DC - 4 GHz
4 - 8 GHz
8 - 12.4 GHz
12.4 - 18 GHz
DC - 4 GHz
4 - 8 GHz
8 - 12.4 GHz
12.4 - 18 GHz
(dB)
PCA, PCAA
PCAA
PCA, PCAA
PCAA
Note 1
Series
Series Only
Series
Series Only
1 - 3
0.5
1.25
1.35
1.50
4 - 6
0.5
0.75
1.25
1.35
1.50
7 - 10
0.5
0.75
1.0
1.25
1.35
1.50
11 - 15
0.75
+0.5
—
1.25
1.35
1.50
—
-3.0
-4.0
16 - 20
1.0
+0.5
—
1.25
1.35
—
-4.0
PERFORMANCE SPECIFICATIONS
KEY: Inches [Millimeters] .XX ±.03 .XXX ±.010 [.X ±0.8 .XX ±0.25]
±
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