SJ-B CATV высокочастотный вертикальный Регулируемый аттенюатор 0 - 20
SJ-B CATV высокочастотный вертикальный Регулируемый аттенюатор 0 - 20
SJ-B CATV высокочастотный вертикальный Регулируемый аттенюатор 0 - 20
SJ-B CATV высокочастотный вертикальный Регулируемый аттенюатор 0 - 20
SJ-B CATV высокочастотный вертикальный Регулируемый аттенюатор 0 - 20

SJ-B CATV высокочастотный вертикальный Регулируемый аттенюатор 0 - 20


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Цена:*

Количество:



Описание и отзывы


Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Sep-17-2025 0.28 $* 0.14 $*
Aug-17-2025 0.3 $* 0.78 $*
Jul-17-2025 0.62 $* 0.65 $*
Jun-17-2025 0.45 $* 0.84 $*
May-17-2025 0.33 $* 0.17 $*
Apr-17-2025 0.25 $* 0.49 $*
Mar-17-2025 0.94 $* 0.92 $*
Feb-17-2025 0.42 $* 0.19 $*
Jan-17-2025 0.46 $* 0.24 $*

Характеристики



Product Description


Specification:
Attenuation range（dB): 
0-20dB
impedance（Ω）：


75Ω

Insertion loss(dB)：
0.5dB
Operating frequency（MHz):
0～1000MHZ
Frequency response：
≤±0.3dB
reflection loss(dB)：
≥17Db
Case color: 
Blue , Black
Rotation length: 
2, 3, 5, 8, 18, 24 mm
Rotary handle color: 
Light blue,Dark blue, Red


Product Paramenters


1.Electrical performance
NO.
Item
Qualification
Specification
1.1
Impedance matching value
Output impedance / input impedance matching
75Ω
1.2
Reflection loss
>300MHz, >550MHz, >860MHz
>18, >16, >14
1.3
Maximum attenuation
Counterclockwise to bottom measurement
20dB±2dB 10dB±2dB
1.4
Minimum attenuation
Measured clockwise to the bottom
<0.5dB
2.Mechanical performance
NO.
Item
Qualification
Specification
2.1
Full revolution
Counterclockwise bottom position, turn clockwise to the bottom, the total number of revolutions of the shaft
3.5±0.5(turns),6.0±0.5(turns)
2.2
Rotary torque
Rotation speed 60 degrees / sec
Below 50gf-cm(Max)
2.3
Axis rotation strength
Measured clockwise to the bottom
Above 800gf-cm(Max)
2.4
Terminal strength
Add 500gf-cm to the terminal, 100 5 seconds
No obvious looseness and poor contact
2.5
Solder pot heat resistance
Temperature below 300 degrees, within 3 seconds
No obvious looseness and poor contact
3.Durability
NO.
Item
Qualification
Specification
3.1
Swing life
Go back and forth more than 200 times


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FAQ


Q1: What advantages do you have?
A: Quanding is a professional manufacturer in electrode pads, electrode wire, ESU pencil, Grounding pad ect with more than 10 years experience. We try the best to offer good quality products at the most competitive prices.

Q2: What payment methods do you accept?
A: PayPal, T/T, Bank Transfer.
Q3: What is the MOQ for this wall charger?
A: MOQ is 2000pcs. However, it is flexible as your requirement.

Q4: Can I customize items I like, such as to print our own logo, or to alter the design?
A: Yes, we offer OEM/ODM service. Please contact us or our sales representative to check with the details.

Q5: Delivery time and warranty?
A: Our lead time is around 4 weeks, and we can provide 2 years warranty since delivery.

Q6: Can I visit your company and factory in China?
A: Sure. We are more than happy to receive you in Shenzhen and show you around our workplace.


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