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International invention patent
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US Utility patent No. US7,362,196 B2 ETC
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EU, China, Taiwan,Korea patented
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Applications:
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● Power Amplifier
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● Low Noise Amplifier
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● Gain Blocks
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● Optical Transceiver Module
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● MMIC Amplifiers
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● WLAN (2.4GHz or 5.8GHz)
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● WiMAX
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● UWB
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● Mixers
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● Power Dividers
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● Satellite Communication
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● Directional Couplers
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● Broadcast (TV & Radio)
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● Radar
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Features:
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● Frequency range: DC to 3GHz, DC to 6GHz,DC to 12.4GHz,DC to 18GHz
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● Power rating: 100mW,200mW,2W
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● Impedance: 50Ω or 75Ω
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● Operating temperature: -55℃ to +150℃
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● Excellent acteristics of attenuation compensating: wide attenuation variable range and low VSWR of temperature from -55℃to +150℃, especially at the frequency of 1GHz, 3GHz and 6GHz.
●10 attenuations from 1dB to 10dB and 7 variation slope acteristics from N3 to N9. Besides, custom services are available for p/n with larger slopes like N10 or N11.
● Adopting 100% laser trimming, high attenuation accuracy.
● High reliability. Adopting advanced thick film technology through firing at the high temperature of 850 ℃.
● Zero Distortion, and no phase changes and time delay caused by temperature variation.
● Temperature compensation and RF isolation, which are more suitable for multi-stage power amplifiers.
● No extra IP3 exists and suitable for linear power amplifier.
● Low cost and small size. It can be easily designed in RFpower amplifier to replace AGC loop circuit, which is easy for the regeneration of RF circuit
●SMA and N type available. The connectorized attenuator is easy for connection and good for improvement of system temperature acteristics.
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Material Specifications
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● Substrate: Alumina (Al2O3)
● Resistive material: Thick film
● Terminal material:
Thick film, Nickel barrier with solder plate
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● Protective Coating: Thick film (ethyl acetate)
● Body and nut: Stainless steel with passivated or brass with nickel plating
● Contact: Beryllium copper or QSn6.5-0.1 with gold finish
● Insulator: Teflon
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Model Description
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Co-TCA
Series
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**
Frequency
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**
Attenuation
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**
Temperature coefficient code
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*
Connector Type
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06 or 15
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01 to 10
(1dB to 10dB)
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(N3 to N10) or (P3 to P8)
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S=SMA Connector
N=N type Connector
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Example: P/N Co-TCA0603N9S is Co-TCA series, frequency range DC to 6GHz, 3dB attenuation @25℃,
temperature coefficient of attenuation -0.009 dB/dB/℃, SMA Connector.
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Co-TCA series
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Specifications
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● Frequency range: DC to 6GHz
● Operating temperture: -55℃ to 150℃
● Impedance: 50Ω
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● Power rating: 2W
● Outline Dimensions:24.45*Φ9.4(mm)-SMA(type1),41*Φ20.0(mm)-N type
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Model
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Attenuation
(dB)
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Temperature
Coefficient Code
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Temperature Coefficient
of Attenuation (dB/dB/℃)
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Max.
VSWR (:1) @1GHz
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Attenuation
Accuracy
(dB)
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1
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N3~N9
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-0.003~ -0.009
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1.20
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±0.5
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2
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N3~N10
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-0.003~ -0.01
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1.20
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±0.5
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3
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N3~N10
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-0.003~ -0.01
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1.20
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±0.5
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4
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N3~N10
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-0.003~ -0.01
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1.20
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±0.5
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5
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N3~N10
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-0.003~ -0.01
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1.20
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±0.5
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6
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N3~N10
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-0.003~ -0.01
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1.20
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±0.5
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7
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N3~N10
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-0.003~ -0.01
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1.20
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±0.5
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8
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N3~N10
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-0.003~ -0.01
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1.20
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±0.5
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9
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N3~N10
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-0.003~ -0.01
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1.20
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±0.5
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10
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N3~N10
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-0.003~ -0.01
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1.20
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±0.5
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Co-MTCA seires(DC to 12.4GHz)
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Specifications
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● Frequency range: DC to 12.4GHz
● Operating temperture: -55℃ to 150℃
● Impedance: 50Ω
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● Power rating: 200mW
● Outline Dimensions:33.4*Φ12(mm)-SMA(type2)
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Model
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Attenuation (dB)
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Temperature
Coefficient Code
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Temperature Coefficient
of Attenuation (dB/dB/℃)
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Max.
VSWR (:1) @1GHz
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Attenuation
Accuracy
(dB)
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2
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N3~N9
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-0.003~ -0.009
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1.20
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±0.5
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3
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N3~N9
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-0.003~ -0.009
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1.20
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±0.5
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4
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N3~N9
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-0.003~ -0.009
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1.20
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±0.5
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5
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N3~N9
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-0.003~ -0.009
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1.20
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±0.5
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6
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N3~N9
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-0.003~ -0.009
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1.20
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±0.5
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7
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N3~N9
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-0.003~ -0.009
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1.20
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±0.5
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Co-WTCA seires(DC to 20GHz)
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Specifications
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● Frequency range: DC to 20GHz
● Operating temperture: -55℃ to 150℃
● Impedance: 50Ω
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● Power rating: 200mW
● Outline Dimensions: 34.2*15*7.5(mm)-SMA(type3)
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Model
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Attenuation (dB)
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Temperature
Coefficient Code
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Temperature Coefficient
of Attenuation (dB/dB/℃)
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Max.
VSWR (:1) @1GHz
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Attenuation
Accuracy
(dB)
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2
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N3~N9
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-0.003~ -0.009
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1.20
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±0.5
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3
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N3~N9
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-0.003~ -0.009
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1.20
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±0.5
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4
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N3~N9
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-0.003~ -0.009
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1.20
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±0.5
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5
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N3~N9
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-0.003~ -0.009
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1.20
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±0.5
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6
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N3~N9
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-0.003~ -0.009
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1.20
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±0.5
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7
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N3~N9
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-0.003~ -0.009
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1.20
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±0.5
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Co-KTCA seires(16 to 36GHz)
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Specifications
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● Frequency range: 16 to 36GHz
● Operating temperture: -55℃ to 150℃
● Impedance: 50Ω
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● Power rating: 100mW
● Outline Dimensions: 39.2*19*10(mm)-SMA(type4)
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Model
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Attenuation (dB)
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Temperature
Coefficient Code
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Temperature Coefficient
of Attenuation (dB/dB/℃)
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Typ.
VSWR (:1)
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Attenuation
Accuracy
(dB)
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2
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N3~N7
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-0.003~ -0.007
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1.50
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±0.5
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3
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N3~N7
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-0.003~ -0.007
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1.50
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±0.5
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4
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N3~N7
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-0.003~ -0.007
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1.50
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±0.5
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5
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N3~N7
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-0.003~ -0.007
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1.50
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±0.5
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6
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N3~N7
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-0.003~ -0.007
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1.50
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±0.5
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Outline Dimensions(unit:mm)
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SMA(type 1)
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SMA(type 2)
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SMA(type 3)
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SMA(type 4)
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Application Schematic
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Return to Temp Comp Attenuators
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