High Power Resistive Products
Attenuators
AVX introduces its line of High Power Attenuator Products.
All products are designed and manufactured at our ISO 9001
Facilities.
ELECTRICAL SPECIFICATIONS
Attenuation:
1 dB through 30 dB
Frequency Range:
DC to 3 GHz
Input Power:
up to 150 Watts
Operating Temperature Range:
-55ºC through +150ºC
MECHANICAL SPECIFICATIONS
Package:
Leaded and Flange Mounted
Substrate Material:
Aluminum Nitride
Process:
100% Thin Film Processed
Resistive Material:
Tantalum Nitride
Terminals:
100% Ag
Cover:
Alumina
Mounting Flange:
100% Cu, Ni or Ag Plated
RoHS Compliant
HOW TO ORDER
RP2 3740
A
AVX
Series
RP1
RP2
Case Size
3740
0975
Type
A = Attenuator
01DB
F
P
BK
Nominal
Attenuation
(dB)
See chart
Tolerance
F = 1%
Plating
P = Palladium
Packaging
BK = Bulk
Contact factory for custom ratings and sizes.
Attenuator Power Handling vs. Mounting Surface Temperature
350
300
250
Power Handling (Watts)
Notes:
1. Plot refers to incident continuous power of “P” Watts
2. Mounting surface is assumed an isotherm at T
M
°C
3. Actual testing done at P = 100 Watts, T
M
= 100 °C
4. Plot based on 1-dimensional heat transfer formula: T = T
M
+ PR, where
T = area-average resistive film temperature, held to 150 °C, max.
R = thermal resistance, mounting surface to resistive film ≈ 0.5 °C/W
for 30- and 20- dB devices (other values will run cooler and therefore
handle more power – consult factory)
200
150
100
50
0
0
25
50
75
100
125
150
Mounting Surface Temperature (°C)
* Test Condition: With mounting surface temperature = 75°C, max. (see plot above). Actual test conditions are as follows: Flange attached to a large
copper carrier whose surface, directly under the flange center, is held at 100°C; power applied = 100 Watts.
** Attenuation vs. frequency as a function of temperature, -55°C to +125°C
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High Power Resistive Products
Attenuators
FLANGE MOUNT ATTENUATORS – RP1 SERIES
GENERAL SPECIFICATIONS
Frequency Range:
DC to 3 GHz
Input Power*:
150 Watts
Operating Temp Range:
-55 to +150ºC
Attenuation Stability**:
0.0001 dB/dB/°C, Max.
Mounting Flange:
Copper, Pd over Ni;
other platings available
Resistive Elements:
Tantalum Nitride
Substrate Material:
Aluminum Nitride
Tabs:
99.99% Pure Silver, 0.25 (0.004) thick
Cover:
Alumina
RoHS Compliant
5.76 MAX.
(0.227)
3.18 (0.125)
3.18
(0.125)
24.77 (0.975)
18.4 MIN. (0.724)
10.16 (0.400)
4.76
(0.187)
9.53
(0.375)
3.18 THRU
(0.125)
1.02 TYP.
(0.040)
7.49 ± 0.127
(0.295 ± 0.005)
4.32 (0.170)
0.10 (0.004)
7.36 TYP.
(0.290)
6.35 TYP.
(0.250)
17.27 (0.680)
mm (inches)
Mechanical Tolerance:
±0.25 (0.010) unless otherwise specified
AVX
Part Number
RP10975A01DBFPBK
RP10975A02DBFPBK
RP10975A03DBFPBK
RP10975A06DBFPBK
RP10975A09DBFPBK
RP10975A10DBFPBK
RP10975A17DBFPBK
RP10975A20DBFPBK
RP10975A30DBFPBK
Nominal
Attenuation (dB)
1
2
3
6
9
10
17
20
30
Frequency
Sensitivity (dB, max.)
± 0.25
±0.30
± 0.30
± 0.45
± 0.35
± 0.20
± 1.00
± 1.00
± 1.05
Maximum Deviation
from Nominal (dB)
+0.45 / -0.15
+0.50 / -0.30
+0.60 / -0.30
+0.80 / -0.20
+0.70 / -0.20
+0.40 / -0.30
+1.00 / -1.20
+1.00 / -1.20
+1.75 / -1.20
VSWR
(max.)
1.55:1
1.50:1
1.50:1
1.40:1
1.30:1
1.40:1
1.30:1
1.30:1
1.25:1
For Attenuator Power Handling vs. Mounting Surface Temperature, see page 2.
LEADED CHIP ATTENUATORS – RP2 SERIES
GENERAL SPECIFICATIONS
Frequency Range:
DC to 3 GHz
Input Power*:
150 Watts
Operating Temp Range:
-55ºC to +150ºC
Attenuation Stability**:
0.0001 dB/dB/ºC, Max.
Resistive Elements:
Tantalum Nitride
Substrate Material:
Aluminum Nitride
Tabs:
99.99% Pure Silver, 0.10 (0.004) thick
Cover:
Alumina
RoHS Compliant
2.03 MAX.
(0.800)
1.02 (0.040)
10.16
(0.400)
6.35 TYP.
(0.250)
9.53
(0.375)
0.10 (0.004)
1.02 TYP.
(0.040)
Mechanical Tolerance:
±0.25 (0.010) unless otherwise specified
AVX
Part Number
RP23740A01DBFPBK
RP23740A03DBFPBK
RP23740A06DBFPBK
RP23740A09DBFPBK
RP23740A10DBFPBK
RP23740A20DBFPBK
RP23740A30DBFPBK
Nominal
Attenuation (dB)
1
3
6
9
10
20
30
Frequency
Sensitivity (dB, max.)
± 0.20
± 0.30
± 0.30
± 0.30
± 0.20
± 1.00
± 1.05
Maximum Deviation
from Nominal (dB)
+0.45 / -0.15
+0.60 / -0.30
+0.60 / -0.20
+0.60 / -0.20
+0.40 / -0.30
+1.00 / -1.20
+1.75 / -1.20
VSWR
(max.)
1.55
1.50
1.30
1.30
1.25
1.25
1.25
For Attenuator Power Handling vs. Mounting Surface Temperature, see page 2.
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