E-TA3216T [NIDEC]
THERMAL VARIABLE ATTENUATORS;
| 型号： | E-TA3216T |
| 厂家： | 
NIDEC COMPONENTS |
| 描述： | THERMAL VARIABLE ATTENUATORS 衰减器 |
| 文件： | 总5页 (文件大小：110K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
THERMAL VARIABLE ATTENUATORS E-TA
■
FEATURES
■ APPLICATIONS
OꢀFlat VSWR characteristic to the temperature change.
OꢀLinear attenuation characteristic to temperature fluctuation.
OꢀRoHS compliant.
OꢀTemperature compensation of microwave high power
amplifier.
■
SPECIFICATIONS
OꢀElectrical characteristics
E-TA3216
E-TA2012
1, 2, 3, 4, 5 dB
at 25 °C
1, 2, 3, 4, 5, 6, 7, 8, 9, 10 dB
at 25 °C
Attenuation
DC ~ 3 GHz : +0.5 dB, DC ~ 1 GHz : -0.5 dB
1 ~ 3 GHz : -1.0dB (at 25 °C, 50 Ω load)
0.5 dB
(at 25 °C, 50 Ω load)
Tolerance
Impedance
50 Ω
DC ~ 2 GHz : Less than 1.3
2 ~ 3 GHz : Less than 1.7
(at 25 °C)
Less than 1.3
(at 25 °C)
VSWR
N5 ～ N8 at 1 GHz：
N1 ～ N8 at 1 GHz：
Temperature Coefficient
Please refer to the chart of “Example of Attenuation vs. Temperature” Please refer to the chart of “Example of Attenuation vs. Temperature”
DC ~ 3 GHz
Frequency Range
100 mW
Power Rating
63 mW
Operating Temperature Range
– 40 °C ~ +100 °C
OꢀTemperature Characteristics
TCA : Temperature Coefficient of Attenuation N1 ~ N8 (dB/dB/°C)
N1 ; – 0.0119
N4 ; – 0.0047
N5 ; – 0.0041
N6 ; – 0.0035
N7 ; – 0.0026
N8 ; – 0.0019
N2 ; – 0.0088
N3 ; – 0.0062
Note. Temperature coefficient of E-TA3216 is N5 ~ N8 and E-TA2012 is N1 ~ N8.
■
PART NUMBER DESIGNATION
E-TA2012 T 1 dB N8
Series name and size
E-TA3216, E-TA2012
Temperature Coefficient of Attenuation
(N1, N2, N3, N4, N5, N6, N7, N8)
Form of packaging
Attenuation [dB]
T : Taping (1000 pcs/reel)
(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
Blank : Bulk (100 pcs/in plastic bags)
E-TA
THERMAL VARIABLE ATTENUATORS
■
OUTLINE DIMENSIONS
Unless otherwise specified, tolerance : 0.2 (Unit : mm)
Unless otherwise specified, tolerance : 0.2 (Unit : mm)
2.0
O E-TA3216
O E-TA2012
3.2 0.15
0.2
1.0
0.8
1.0
0.2
0.7
0.45
0.45
Side view
Date code
Side view
Date code
①, ② In/Out terminal
①, ② In/Out terminal
①
②
①
②
マーカ Marker
マーカ Marker
Top view
Top view
④
③
④
③
Unit marked on
this surface
③, ④ Ground terminal
Unit marked on
this surface
③, ④ Ground terminal
＜
Marking ＞
OꢀDate code (2 digits)
9 A
Year（One last digit)
Month(A~H,J,Y,L,M)
OꢀModel code (3 digits)
1 N1
Attenuation(1~10dB)
Temperature Coefficient of attenuation(N1~N8)
E-TA
THERMAL VARIABLE ATTENUATORS
■
RECOMMENDED PAD OUTLINE DIMENSIONS
Unless otherwise specified, tolerance : 0.3 (Unit : mm)
O E-TA3216
O E-TA2012
3.0
0.6
2.3
0.7
1.2
1.2
0.8
0.8
0
0
Note) The zero point is center of mounting
■
EXAMPLE OF ATTENUATION VS. TEMPERATURE : 3 dB
3 dB Attenuation vs. Temperature
● E-TA2012ꢀ3dB N*
5.5
N1
N2
N3
N4
N5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
N6
N7
N8
-40
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100
E-TA
THERMAL VARIABLE ATTENUATORS
■
ENVIRONMENTAL CHARACTERISTICS
Test item
Test conditions
Specifications
Attenuation 0.1 dB
A short time overload voltage
Load life
Apply the rated voltage of 2.5 times for 5 sec.
70 3 °C, Apply rated voltage for 90 minutes followed by 30 minutes
Intermission. This cycle is repeated for 1000 hours.
Attenuation 0.2 dB
Attenuation 0.2 dB
60 2 °C, 90 ~ 95 ꢀRH, Apply rated voltage for 90 minutes followed by
30 minutes Intermission. This cycle is repeated for 1000 hours.
Thermal shock
Vibration
– 40 °C ~ 100 °C (0.5 h), 5 cycles
Attenuation 0.1 dB
Attenuation 0.1 dB
（Vibration）10 ～ 55 Hz、（Amplitude）1.5 mm、
10-55-10 Hz/minutes、xyz 2h each
Soldering heat
Solderability
Peak temperature 255 °C, two times maximum
245 5 °C (lead free), 3 0.5 s
Attenuation 0.1 dB
95 ꢀ or more of the immersed area
should be adequately wetted.
■
REFLOW PROFILE FOR SOLDERING HEAT EVALUATION
(°C)
250
Peak : 250 +5
°C
0
Over 230 °C
200
150
Pre Heating Zone
180 °C
150 °C
90 30 s
100
50
30 10 s
Soldering Zone
Heating time
Reflow : two times maximum
■
PACKAGING SPECIFICATIONS
OꢀTaping packaging specifications
OꢀBulk pack specifications
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use.
Note1. Specifications are subject to change without notice.
Specifications in this catalog are reference.
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