Fixed Attenuators (SMA Type)
AT-100, AT-200, and AT-300 Series
■Features
1.Abundant Variations of Attenuators
Attenuation amounts are available in abundant
variations from 0 to 4 dB in 0.5 dB steps, from 4 to
10 dB in 1 dB steps, and in 12, 13, 14, 15, 20, 26
and 30 dB so that levels can be finely adjusted.
2.SMA Type
Feb.1.2021 Copyright 2021 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
AT-103(40)
The coupling portions are available in all types of
plug and jack combinations and stainless steel is
used for the external cladding to form a small and
durable structure.
AT-206(40)
3.High Degree of Matching and High Reliability
AT-310(40)
The design of the attenuation element uses a
distributed constant circuit and metal film resistor. A
high degree of matching is achieved as indicated in
the V.S.W.R. of the appended tables. Furthermore,
these attenuators show stable characteristics for
environments of varying temperature, humidity, and
gases.
■Product Specifications
Ratings
Rated frequency range (Note)
Characteristic impedance
Maximum Input Power
DC to 18.0 GHz
50 ohms
1W
Operating temperature range
Operating relative humidity
–10ç to +65ç
95% Max.
Note: The frequency range will differ depending on the model.
Item
Standard
1.Vibration
No electrical discontinuity of 1 μs or more
No damage, cracks, or parts dislocation
2.Shock
3.Temperature cycle
No damage, cracks, or parts dislocation
Conditions
Frequency of 10 to 2000 Hz, overall amplitude of 1.52 mm,
acceleration of 98 m/s2 for 2 hours in each of 3 directions
Acceleration of 490 m/s2, sine half-wave waveform,
3 cycles in each of the 3 axis
Temperature: -55ç → +15ç to +35ç → +85ç → +15ç to +35ç
Time: 30 → 15 max. → 30 → 15 max. (Minutes)
5 cycles
●The test method conforms to MIL-STD-202.
■Materials
■Ordering Information
Part
Material
Finish
Connector Body
Stainless steel
Passivated
Insulator
PTFE
----------
Male contacts
Beryllium copper
Gold plating
Female contacts
Beryllium copper
Gold plating
Attenuation element
Metal film
----------
AT - 1 00-(0) (40)
1
2
3
1 AT: Indicates a fixed attenuator
2 Indicates the Series Name (Coupling Portion)
1: SMA plug - jack
2: SMA plug - plug
3: SMA jack - jack
4
3 Attenuation
(Example)
01
: 1dB
06
: 6dB
00-(0)
: 0dB
(Through)
00-(0.5)
: 0.5dB
00-(3.5)
: 3.5dB
4 (40): RoHS compliant
69
AT-100, AT-200, and AT-300 Series●Fixed Attenuators (SMA Type)
■Specifications
Part Number
Attenuation
(dB)
V.S.W.R.(Max)
DC~12.4GHz 12.4~18GHz DC~4GHz
Feb.1.2021 Copyright 2021 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
AT-100-(0)(40)
+0.5
0000
0
+1.0
0000
0
4~12.4GHz 2.4~18GHz
Power
(W)
Connectors
Weight
(g)
1.15
1.20
1.30
1
HRM-J • P
8
AT-100-(0.5)(40)
0.5±0.5
+1.0
0.5000
_0.5
1.15
1.20
1.30
1
HRM-J • P
8
AT-101(40)
0.1±0.5
1±1.00
1.15
1.20
1.30
1
HRM-J • P
8
AT-100-(1.5)(40)
1.5±0.5
1.5±1.00
1.15
1.20
1.30
1
HRM-J • P
8
AT-102(40)
0.2±0.5
2±1.00
1.15
1.20
1.30
1
HRM-J • P
8
AT-100-(2.5)(40)
2.5±0.5
2.5±1.00
1.15
1.20
1.30
1
HRM-J • P
8
AT-103(40)
0.3±0.5
3±1.00
1.15
1.20
1.30
1
HRM-J • P
8
AT-100-(3.5)(40)
3.5±0.5
3.5±1.00
1.15
1.20
1.30
1
HRM-J • P
8
AT-104(40)
0.4±0.5
4±1.00
1.15
1.20
1.30
1
HRM-J • P
8
AT-105(40)
0.5±0.7
5±1.20
1.15
1.20
1.30
1
HRM-J • P
8
AT-106(40)
0.6±0.7
6±1.20
1.15
1.20
1.30
1
HRM-J • P
8
AT-107(40)
0.7±0.7
7±1.20
1.15
1.20
1.30
1
HRM-J • P
8
AT-108(40)
0.8±0.7
8±1.20
1.15
1.20
1.30
1
HRM-J • P
8
AT-109(40)
0.9±1.0
9±1.25
1.15
1.20
1.30
1
HRM-J • P
8
AT-110(40)
10±1.0
10±1.25
1.15
1.20
1.30
1
HRM-J • P
8
AT-112(40)
12±1.0
12±1.25
1.15
1.20
1.30
1
HRM-J • P
8
AT-113(40)
13±1.0
13±1.25
1.15
1.20
1.30
1
HRM-J • P
8
AT-114(40)
14±1.2
14±1.30
1.15
1.20
1.30
1
HRM-J • P
8
AT-115(40)
15±1.2
15±1.30
1.15
1.20
1.30
1
HRM-J • P
8
AT-120(40)
20±1.2
20±1.30
1.15
1.20
1.30
1
HRM-J • P
8
AT-203(40)
0.3±0.5
3±1.00
1.15
1.20
1.30
1
HRM-P • P
9
AT-206(40)
0.6±0.7
6±1.20
1.15
1.20
1.30
1
HRM-P • P
9
AT-210(40)
10±1.0
10±1.25
1.15
1.20
1.30
1
HRM-P • P
9
AT-220(40)
20±1.2
20±1.30
1.15
1.20
1.30
1
HRM-P • P
9
AT-303(40)
0.3±0.5
3±1.00
1.15
1.20
1.30
1
HRM-J • J
7
AT-306(40)
0.6±0.7
6±1.20
1.15
1.20
1.30
1
HRM-J • J
7
AT-310(40)
10±1.0
10±1.250
1.15
1.20
1.30
1
HRM-J • J
7
AT-320(40)
20±1.2
20±1.30
1.15
1.20
1.30
1
HRM-J • J
7
Power
(W)
Connectors
Weight
(g)
RoHS
YES
Part Number
Attenuation
(dB)
V.S.W.R.(Max)
DC~8GHz
DC~4GHz
4~8GHz
AT-126(40)
26±1.0
1.15
1.20
1
HRM-J • P
8
AT-130(40)
30±1.2
1.15
1.20
1
HRM-J • P
8
RoHS
YES
70
AT-100, AT-200, and AT-300 Series●Fixed Attenuators (SMA Type)
■External Dimensions
Feb.1.2021 Copyright 2021 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
AT-100 Type
AT-126,130 Type
AT-300 Type
AT-200 Type
■Typical Data
AT-103(40)
AT-120(40)
AT-130(40)
AT-206(40)
AT-310(40)
Input Power Characteristics
71
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