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581-520803A-ROHS

SPnT Coaxial Switch

Overview

Part Number : 581-520803A-ROHS

The 5X1-Series part number 581-520803A-ROHS SPnT coaxial switch switch is ideal for DC to 18GHz applications with 1.50 @ 18 GHz VSWR performance and 50 Ohm impedance. It features normally open actuator, 12 VDC coil voltage, and SMA female connector, and it requires 11V ~ 14V voltage supply. Additionally, it has TTL drive circuit options, no indicators and no special options.

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Product Specifications

Frequency GHZ

VSMR

(MAX)

Isolation dB

(min)

Insertion Loss dB

(max)

Coil Voltage

Circuit Options

Actuator Type

Indicators

Connector

Operating

Temperature

DC to 18GHz

1.50 @ 26.5GHz

60dB @ 18GHz

.50dB

12 VDC

TTL

Normally Open

No indicators

SMA female

-25°C ~ 65°C

Additional Specifications

Switching Time:
15 ms maximum
Mechanical Life Cycles*:
1,000,000 minimum
5,000,000 minimum (“U” Option
Vibration, Operating:
10G RMS, 20-2000 Hz
Mechanical Shock, Non-Operating:
30G, 1/2 Sine, 11 ms

* Performance and weight varies depending on selected options. Values listed
are for Standard 401 Failsafe model.

IEEE Frequency Bands

HF-Band VHF-Brand UHF-Band L-Band

S-Band C-Band X-Band Ku-Band

Markets

Defense Aerospace Communications GPS ATE

Resources

Dow-Key Switches Product Catalog

View

A Guide to RF Switching Systems Article

R461 Series High Repeat Switch Datasheet

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DKM RoHS Compliance Declaration 2021

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Featured Brand

Founded in 1945, Dow-Key is the oldest continuously operating RF switch manufacturer in the United States. We employ our decades of experience to deliver the world’s most innovative switching components, specializing in the design and manufacture of customized, high-performance coaxial switches, waveguide switches and high-reliability (space) switches, including T-switches and switch blocks.

As the world’s largest manufacturer of electromechanical RF switches and devices, Dow-Key remains committed to providing unparalleled customer service, competitive pricing, on-time delivery, and enduring product quality.

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