The Keysight N1810UL is a high-performance, single-pole double-throw (SPDT) coaxial switch designed for RF and microwave signal routing. Utilizing an unterminated latching configuration, it offers exceptional isolation, low insertion loss, and outstanding repeatability up to 50 GHz, making it an ideal choice for automated test and measurement systems.

Specifications

General

ParameterValue
InterfacesD-sub 9-pin (Option 201) / Solder terminals (Option 202) / 10-pin ribbon cable (Option 203)

Physical

ParameterValue
Power Supply5 VDC / 15 VDC / 24 VDC nominal (option dependent)
Operating Temperature-25 to +75 °C
Dimensions (W×H×D)43.2 mm × 51.1 mm × 12.7 mm (solder terminals) / 43.2 mm × 63.8 mm × 12.7 mm (D-sub connector)
Weight0.106 kg

RF Performance

ParameterValue
Frequency Range Option 004DC to 4 GHz
Frequency Range Option 020DC to 20 GHz
Frequency Range Option 026DC to 26.5 GHz
Frequency Range Option 040DC to 40 GHz
Frequency Range Option 050DC to 50 GHz
Impedance50 Ω
Insertion Loss (DC to 4 GHz)< 0.35 dB (typical 0.15 dB)
Insertion Loss (4 to 12.4 GHz)< 0.45 dB (typical 0.20 dB)
Insertion Loss (12.4 to 20 GHz)< 0.55 dB (typical 0.25 dB)
Insertion Loss (20 to 26.5 GHz)< 0.70 dB (typical 0.35 dB)
Insertion Loss (26.5 to 40 GHz)< 0.90 dB (typical 0.40 dB)
Insertion Loss (40 to 50 GHz)< 1.20 dB (typical 0.50 dB)
Isolation (DC to 4 GHz)> 100 dB (typical 120 dB)
Isolation (4 to 12.4 GHz)> 90 dB (typical 110 dB)
Isolation (12.4 to 20 GHz)> 80 dB (typical 100 dB)
Isolation (20 to 26.5 GHz)> 75 dB (typical 90 dB)
Isolation (26.5 to 40 GHz)> 70 dB (typical 85 dB)
Isolation (40 to 50 GHz)> 60 dB (typical 75 dB)
SWR (DC to 4 GHz)< 1.15
SWR (4 to 12.4 GHz)< 1.25
SWR (12.4 to 20 GHz)< 1.30
SWR (20 to 26.5 GHz)< 1.45
SWR (26.5 to 40 GHz)< 1.70
SWR (40 to 50 GHz)< 1.95
Insertion Loss Repeatability< 0.03 dB max (guaranteed for 5 million cycles)

Electrical & Control

ParameterValue
Actuator TypeLatching
Nominal Coil Voltage Options5 VDC (Option 105) / 15 VDC (Option 115) / 24 VDC (Option 124)
Coil Operating Voltage Range (Option 105)4.5 to 7 VDC
Coil Operating Voltage Range (Option 115)12 to 20 VDC
Coil Operating Voltage Range (Option 124)20 to 30 VDC
Nominal Coil Current (Option 105)350 mA
Nominal Coil Current (Option 115)120 mA
Nominal Coil Current (Option 124)75 mA
Switching Time< 15 ms
Current Auto-CutoffYes (integrated automatic electronic interrupt)
Position Feedback IndicatorsOption-dependent (Option 100), rated for 3 to 30 V, 30 mA max

Mechanical & Physical

ParameterValue
Switch ConfigurationSPDT (Single Pole Double Throw), Unterminated
RF Connectors (Option 004/020/026)SMA (female)
RF Connectors (Option 040)2.92 mm (female)
RF Connectors (Option 050)2.4 mm (female)
Control Terminals Option 2019-pin D-sub (male)
Control Terminals Option 202Solder terminals
Control Terminals Option 20310-pin ribbon cable
Mechanical Lifetime5,000,000 cycles (guaranteed), 10,000,000 cycles (typical)

Environmental

ParameterValue
Storage Temperature Range-55 to +85 °C
Operating Relative Humidity95% RH at 40 °C (non-condensing)
Operating Altitude4,600 m (15,000 ft)
Non-Operating Altitude15,300 m (50,000 ft)
Operating Vibration7 g (5 to 2000 Hz)
Non-Operating Vibration20 g (20 to 2000 Hz)
Operating Shock50 g @ 6 ms (half-sine)
Non-Operating Shock500 g @ 0.5 ms (half-sine)

RF Power Handling

ParameterValue
Cold Switching Power Rating (DC to 4 GHz, Option 004/020/026)100 W
Cold Switching Power Rating (4 to 12.4 GHz, Option 004/020/026)70 W
Cold Switching Power Rating (12.4 to 20 GHz, Option 020/026)60 W
Cold Switching Power Rating (20 to 26.5 GHz, Option 026)50 W
Cold Switching Power Rating (DC to 4 GHz, Option 040/050)50 W
Cold Switching Power Rating (4 to 12.4 GHz, Option 040/050)40 W
Cold Switching Power Rating (12.4 to 20 GHz, Option 040/050)35 W
Cold Switching Power Rating (20 to 26.5 GHz, Option 040/050)30 W
Cold Switching Power Rating (26.5 to 40 GHz, Option 040/050)25 W
Cold Switching Power Rating (40 to 50 GHz, Option 050)20 W

Position Indicators

ParameterValue
Indicator Supply Voltage Range3 to 30 V
Indicator Max Sink Current30 mA

RF Characteristics

ParameterValue
Hot Switching Power Rating (CW)1 W
Hot Switching Power Rating (Peak)100 W (for 10 µs max pulse width)

Technology

RF / Microwave Coaxial Switch

Applications

Signal routing, automated test equipment (ATE), RF matrix switching