Fixed Attenuator

Fixed Attenuator RF Component Supplier

Patented Product
China Patent No.: CN 2009 1 0006333
USA Patent No.: US 8,100,721 B2

Features:
● Frequency range from DC to 18GHz
● Attenuation from 1dB to 30dB
● Input power: 2W、5W、25W、80W、100W
● High attenuation accuracy
● Small VSWR
● Stainless steel or brass
● Ceramic chip
● Low cost-high performance 		Applications:
● Communications
● Digital transmission
● Radar
● Broadcast television
● Tes
Suffix "M" refers to the miniature size type
Note: SMA/N/TNC/MCX/MMCX/QMA Connector Types Available
Specifications
DC to 6GHz,2 Watts and 5 Watts, SMA(S), N type(N), QMA(Q), MCX(M),
MMCX(C), BNC(B) type Coaxial Fixed Attenuator
1.Dc to 6GHz 2 Watts and 5 Watts, SMA(S) type Coaxial Fixed Attenuator
Model
FREQ.
RANGE
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY
(dB)
VSWR
(:1)
POWER
(Watt)
DC-3GHz
DC-4GHz
DC-6GHz
DC to 3GHz
3 to 6GHz
Typical 
Typical 
Typical 
Max.
DC-6
1
±0.45
±0.45 
1.10
1.15
1.20
1.30
2
2
±0.35
±0.35 
1.10
1.15
1.20
1.30
3
±0.35
±0.35 
1.10
1.15
1.20
1.30
4
±0.35
±0.35 
1.10
1.15
1.20
1.30
5
±0.35
±0.35 
1.10
1.15
1.20
1.30
6
±0.35
±0.35 
1.10
1.15
1.20
1.30
9
±0.60
±0.60
1.10
1.15
1.20
1.30
10
±0.60
±0.60 
1.10
1.15
1.20
1.30
15
±0.70
±0.70 
1.10
1.15
1.20
1.30
20
±0.60
±0.60 
1.10
1.15
1.20
1.35
30
±2.0
±2.0 
1.15
1.20
1.25
1.35
40
0~-4
-
1.10
1.15
-
-
DC-6
1
±0.45
±0.45 
1.10
1.15
1.20
1.30
5
2
±0.35
±0.35 
1.10
1.15
1.20
1.30
3
±0.35
±0.35 
1.10
1.15
1.20
1.30
4
±0.35
±0.35 
1.10
1.15
1.20
1.30
5
±0.35
±0.35 
1.10
1.15
1.20
1.30
6
±0.45
±0.45 
1.10
1.15
1.20
1.30
9
±0.60
±0.60 
1.10
1.15
1.20
1.30
10
±0.60
±0.60 
1.10
1.15
1.20
1.30
15
±0.70
±0.70 
1.10
1.15
1.20
1.30
20
±0.60
±0.60 
1.10
1.15
1.20
1.35
30
±2.0
±2.0 
1.10
1.15
1.20
1.35

  DC-6GHz Outline Dimensions(unit: mm & inch)
   SMA

                


2.Dc to 6GHz 2 Watts and 5 Watts, N(N) type Coaxial Fixed Attenuator
Model
FREQ.
RANGE
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY
(dB)
VSWR
(:1)
POWER
(Watt)
DC-3GHz
DC-4GHz
DC-6GHz
DC to 3GHz
3 to 6GHz
Typical 
Typical 
Typical 
Max.
DC-6
1
±0.45
±0.45 
1.10
1.15
1.20
1.30
2
2
±0.35
±0.35 
1.10
1.15
1.20
1.30
3
±0.35
±0.35 
1.10
1.15
1.20
1.30
4
±0.35
±0.35 
1.10
1.15
1.20
1.30
5
±0.35
±0.35 
1.10
1.15
1.20
1.30
6
±0.35
±0.53 
1.10
1.15
1.20
1.30
9
±0.60
±0.60 
1.10
1.15
1.20
1.30
10
±0.60
±0.60 
1.10
1.15
1.20
1.30
15
±0.70
±0.70 
1.10
1.15
1.20
1.30
20
±0.60
±0.60 
1.10
1.15
1.20
1.35
25
±2.0
±2.00 
1.10
1.15
1.25
1.35
30
±2.0
±2.00 
1.10
1.15
1.25
1.35
40
±1.50
±1.50
1.15
1.20
1.25
1.30
50
±3.0
±3.0
1.15
1.20
1.25
1.30
60
±3.0
±3.0
1.15
1.20
1.25
1.30
DC-6
1
±0.45
±0.45
1.10
1.15
1.20
1.30
5
2
±0.35
±0.35 
1.10
1.15
1.20
1.30
3
±0.35
±0.35 
1.10
1.15
1.20
1.30
4
±0.35
±0.35 
1.10
1.15
1.20
1.30
5
±0.35
±0.35 
1.10
1.15
1.20
1.30
6
±0.35
±0.35 
1.10
1.15
1.20
1.30
8
±0.60
±0.60 
1.10
1.15
1.20
1.30
9
±0.60
±0.60 
1.10
1.15
1.20
1.30
10
±0.25
±0.50 
1.10
1.15
1.20
1.30
15
±0.70
±0.70 
1.10
1.15
1.25
1.30
20
±0.60
±0.60 
1.10
1.15
1.20
1.35
25
±2.00
±2.00 
1.10
1.15
1.25
1.35
30
±2.00
±2.00 
1.15
1.20
1.30
1.35
40
±1.50
±1.50 
1.15
1.20
1.25
1.30
50
±1.50
±1.50 
1.15
1.20
1.25
1.30
60
±1.50
±1.50 
1.15
1.20
1.25
1.30

  DC-6GHz Outline Dimensions(unit: mm & inch)
   N

                

    

DC to 6GHz,2 Watts MCX(M) type Coaxial Fixed Attenuator
Model
FREQ.
RANGE
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY
(dB)
VSWR
(:1)
POWER
(Watt)
DC-3GHz
DC-4GHz
DC-6GHz
DC to 3GHz
3 to 6GHz
Typical 
Typical 
Typical 
Max.
DC-6
3
±0.20
±0.40 
1.10
1.15
1.20
1.25
2
6
±0.20
±0.40 
1.10
1.15
1.20
1.25
10
±0.25
±0.50 
1.10
1.15
1.20
1.25
20
±0.60
±0.60 
1.10
1.15
1.20
1.25

  DC-6GHz Outline Dimensions(unit: mm & inch)
    MCX
Size A for 1-12(dB)
Size B for 15-40(dB)
 
Ultra-small & Excellent Attenuation Accuracy Series
DC to 6GHz,2 Watts SMA(S) type Coaxial Fixed Attenuator
Model
FREQ.
RANGE
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY
(dB)
VSWR
(:1)
POWER
(Watt)
DC-3GHz
DC-4GHz
DC-6GHz
DC to 3GHz
3 to 6GHz
Typical 
Typical 
Typical 
Max.
DC-6
1
±0.20
±0.40 
1.10
1.15
1.20
1.25
2
3
±0.20
±0.40 
1.10
1.15
1.20
1.25
6
±0.20
±0.30 
1.10
1.15
1.20
1.25
9
±0.20
±0.50 
1.10
1.15
1.20
1.25
10
±0.25
±0.50 
1.10
1.15
1.20
1.25
15
±0.55
±0.60 
1.10
1.15
1.20
1.25
20
±0.60
±0.60 
1.10
1.15
1.20
1.25
30
±0.60
±1.2 
1.10
1.15
1.20
1.25

  DC-6GHz Ultra-small Outline Dimensions(unit: mm & inch)
   SMA

                

DC to 18GHz,2 Watts and 5 Watts SMA(S) type Miniature Size Coaxial Fixed Attenuator
Model
　
FREQ. RANGE  
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY   
(dB)
VSWR
(:1)
　
POWER
(Watt)
DC-6GHz
DC-12GHz
DC-18GHz
DC to 18GHz
Typical 
Typical 
Typical 
Max.
DC-18
1
±0.4 
1.15
1.25
1.30
1.35
2
2
±0.4 
1.15
1.25
1.30
1.35
3
±0.6 
1.15
1.25
1.30
1.35
4
±0.6 
1.15
1.25
1.30
1.35
5
±0.65 
1.15
1.25
1.30
1.35
6
±0.65 
1.15
1.25
1.30
1.35
7
±0.8 
1.15
1.25
1.30
1.35
8
±0.8 
1.15
1.25
1.30
1.35
9
±1.0 
1.15
1.25
1.30
1.35
10
±1.0 
1.15
1.25
1.30
1.35
15
±1.2 
1.15
1.25
1.30
1.35
20
±1.2 
1.15
1.25
1.30
1.35
30
±1.5 
1.15
1.25
1.30
1.35
40
±1.5 
1.15
1.25
1.30
1.35
DC-18
1
±0.5 
1.15
1.25
1.30
1.35
5
2
±0.5 
1.15
1.25
1.30
1.35
3
±0.6 
1.15
1.25
1.30
1.35
4
±0.8 
1.15
1.25
1.30
1.35
5
±0.8 
1.15
1.25
1.30
1.35
6
±0.8 
1.15
1.25
1.30
1.35
7
±0.8 
1.15
1.25
1.30
1.35
8
±0.8 
1.15
1.25
1.30
1.35
9
±1.0 
1.15
1.25
1.30
1.35
10
±1.0 
1.15
1.25
1.30
1.35
15
±1.2 
1.15
1.25
1.30
1.35
20
±1.2 
1.15
1.25
1.30
1.35
30
±1.5 
1.15
1.25
1.30
1.35
40
±1.5 
1.15
1.25
1.30
1.35


  DC-18GHz Outline Dimensions(unit: mm & inch)
   SMA 2W

               

   SMA 5W

              


DC to 18GHz,5 Watts N type Coaxial Fixed Attenuator
Model
　
FREQ. RANGE  
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY   
(dB)
VSWR
(:1)
　
POWER
(Watt)
DC-6GHz
DC-12GHz
DC-18GHz
DC to 18GHz
Typical 
Typical 
Typical 
Max.
DC-18
1
±0.4 
1.15
1.25
1.30
1.35
2
2
±0.4 
1.15
1.25
1.30
1.35
3
±0.6 
1.15
1.25
1.30
1.35
4
±0.6 
1.15
1.25
1.30
1.35
5
±0.65 
1.15
1.25
1.30
1.35
6
±0.65 
1.15
1.25
1.30
1.35
7
±0.8 
1.15
1.25
1.30
1.35
8
±0.8 
1.15
1.25
1.30
1.35
9
±1.0 
1.15
1.25
1.30
1.35
10
±1.0 
1.15
1.25
1.30
1.35
15
±1.2 
1.15
1.25
1.30
1.35
20
±1.2 
1.15
1.25
1.30
1.35
30
±1.5 
1.15
1.25
1.30
1.35
40
±1.5 
1.15
1.25
1.30
1.35


  DC-18GHz Outline Dimensions(unit: mm & inch)
   SMA 2W

               





DC to 18GHz,2 Watts and 5 Watts, SMA(S) type Coaxial Fixed Attenuator
　
Model
　
FREQ. RANGE  
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY   
(dB)
VSWR
(:1)
　
POWER
(Watt)
DC-6GHz
DC-12GHz
DC-18GHz
DC to 18GHz
Typical 
Typical 
Typical 
Max.
DC-18
3
±0.3 
1.20
1.25
1.35
1.40
2
6
±0.5 
1.20
1.25
1.35
1.40
10
±1.0
1.20
1.25
1.35
1.40
20
±1.2 
1.20
1.25
1.35
1.40
30
±1.5
1.20
1.25
1.35
1.40
40
±1.5
1.20
1.25
1.35
1.40
DC-18
3
±0.3 
1.20
1.25
1.35
1.40
5
6
±0.5 
1.20
1.25
1.35
1.40
10
±1.0
1.20
1.25
1.35
1.40
20
±1.2 
1.20
1.25
1.35
1.40
30
±1.5
1.20
1.25
1.35
1.40
40
±1.5
1.20
1.25
1.35
1.40
　
Model
　
FREQ. RANGE  
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY   
(dB)
VSWR
(:1)
　
POWER
(Watt)
DC-6GHz
DC-12GHz
DC-15GHz
DC to 15GHz
Typical 
Typical 
Typical 
Max.
DC-15
3
±0.6
1.20
1.35
1.45
1.55
2
6
±0.65
1.20
1.35
1.45
1.55
10
±1.0
1.20
1.35
1.45
1.55
20
±1.2
1.20
1.35
1.45
1.55
30
±1.5
1.20
1.35
1.45
1.55
40
±1.5
1.20
1.35
1.45
1.55
DC-15
3
±0.6
1.20
1.35
1.45
1.55
5
6
±0.65
1.20
1.35
1.45
1.55
10
±1.0
1.20
1.35
1.45
1.55
20
±1.2
1.20
1.35
1.45
1.55
30
±1.5
1.20
1.35
1.45
1.55
40
±1.5
1.20
1.35
1.45
1.55

  DC-18GHz Outline Dimensions(unit: mm & inch)
   SMA

            
   N

                    
Power：150W
DC to 3.5GHz, N(N) type Low PIM Coaxial Fixed Attenuator
　
Model
　
FREQ. RANGE  
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY   
(dB)
VSWR
(:1)
　
POWER
(Watt)
DC-1GHz
DC-2GHz
DC-3.5GHz
DC-3GHz
3 to 3.5GHz
Typical 
Typical 
Typical 
Max.
DC-3.5
3
±0.65
±0.9
1.10
1.20
1.25
1.30
150
6
±0.65
±0.9
1.10
1.20
1.25
1.30
10
±1.0
±1.2
1.15
1.20
1.30
1.35
20
±1.2
±1.2
1.15
1.20
1.30
1.35
30
±1.0
±1.2
1.15
1.20
1.30
1.35
40
±1.0
±1.2
1.15
1.25
1.30
1.35
DC-3.5GHz 150W Outline Dimensions(Unit: mm & inch)
Power：100W
DC to 3.5GHz, N(N) type Low PIM Coaxial Fixed Attenuator
　
Model
　
FREQ. RANGE  
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY   
(dB)
VSWR
(:1)
　
POWER
(Watt)
DC-1GHz
DC-2GHz
DC-3.5GHz
DC-3GHz
3 to 3.5GHz
Typical 
Typical 
Typical 
Max.
DC-3.5
3
±0.65
±0.9
1.10
1.20
1.25
1.30
100
6
±0.65
±0.9
1.10
1.20
1.25
1.30
10
±0.75
±1.0
1.15
1.25
1.30
1.35
20
±0.75
±1.0
1.15
1.25
1.30
1.35
30
±1.0
±1.2
1.15
1.20
1.30
1.35
40
±1.0
±1.2
1.15
1.25
1.30
1.35
DC-3.5GHz 100W Outline Dimensions(Unit: mm & inch)
Power：80W
DC to 3GHz, N(N) type Low PIM Coaxial Fixed Attenuator
　
Model
　
FREQ. RANGE  
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY   
(dB)
VSWR
(:1)
　
POWER
(Watt)
DC-1GHz
DC-2GHz
DC-3GHz
DC-3GHz
3 to 6GHz
Typical 
Typical 
Typical 
Max.
DC-3
3
±0.60
-
1.10
1.20
1.25
1.30
80
6
±0.60
-
1.10
1.20
1.25
1.30
10
±0.60
-
1.10
1.20
1.25
1.30
20
±1.0
-
1.15
1.25
1.30
1.35
30
±1.0
-
1.15
1.25
1.30
1.35
40
±1.0
-
1.15
1.25
1.30
1.35
DC-3GHz 80W Outline Dimensions(Unit: mm & inch)
Power：80W
DC to 3GHz, N(N) type Low PIM Coaxial Fixed Attenuator
　
Model
　
FREQ. RANGE  
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY   
(dB)
VSWR
(:1)
　
POWER
(Watt)
DC-1GHz
DC-2GHz
DC-3GHz
DC-3GHz
3 to 6GHz
Typical 
Typical 
Typical 
Max.
DC-3
3
±0.60
-
1.10
1.20
1.25
1.30
80
6
±0.60
-
1.10
1.20
1.25
1.30
10
±0.60
-
1.10
1.20
1.25
1.30
20
±1.0
-
1.15
1.25
1.30
1.35
30
±1.0
-
1.15
1.25
1.30
1.35
40
±1.0
-
1.15
1.25
1.30
1.35
DC-3GHz 80W Outline Dimensions(Unit: mm & inch)
Power：50W
DC to 3GHz, N(N) type Low PIM Coaxial Fixed Attenuator
　
Model
　
FREQ. RANGE  
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY   
(dB)
VSWR
(:1)
　
POWER
(Watt)
DC-1GHz
DC-2GHz
DC-3GHz
DC-3GHz
3 to 6GHz
Typical 
Typical 
Typical 
Max.
DC-3
3
±0.50
-
1.10
1.20
1.25
1.30
50
6
±0.50
-
1.10
1.20
1.25
1.30
10
±0.50
-
1.10
1.20
1.25
1.30
20
±0.50
-
1.10
1.20
1.25
1.30
30
±0.60
-
1.10
1.20
1.25
1.30
40
±0.60
-
1.10
1.20
1.25
1.30
DC-3GHz 50W Outline Dimensions(Unit: mm & inch)
Power：25W
DC to 3GHz, N(N) type Coaxial Fixed Attenuator
　
Model
　
FREQ. RANGE  
(GHz)
fL-fU
ATTENUATION
(dB)
ATTENUATION
ACCURACY   
(dB)
VSWR
(:1)
　
POWER
(Watt)
DC-1GHz
DC-2GHz
DC-3GHz
DC-3GHz
3 to 6GHz
Typical 
Typical 
Typical 
Max.
DC-3
3
±0.70
-
1.15
1.25
1.30
1.35
25
6
±0.70
-
1.15
1.25
1.30
1.35
10
±0.70
-
1.15
1.25
1.30
1.35
20
±1.0
-
1.15
1.25
1.30
1.35
30
±1.0
-
1.15
1.25
1.30
1.35
40
±1.2
-
1.15
1.25
1.30
1.35
DC-3GHz 25W Outline Dimensions(Unit: mm & inch)



Return to Fixed Attenuator

Applications

Fixed Attenuator is widely used in RF communication links, radar sub-systems, GNSS modules, and industrial wireless control equipment.

Selection Guide

When selecting Fixed Attenuator, verify frequency band, insertion loss, isolation or attenuation target, package type, and power handling against your design requirements.

FAQ

What is the typical use of Fixed Attenuator?

It is used to control, split, combine, or sample RF signals in communication and microwave circuits.

How do I choose the right model?

Start from your operating frequency and electrical target, then confirm footprint and environmental conditions.

Who is the supplier and what is the brand?

Supplier: Baiao Technology | Brand: Yantel