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Home > Arrestors > ALLCOM SGDI Surge Arrestors

Antenna Systems & Solutions, Inc. is pleased to stock the following ALLCOM SGDI surge arrestors for your equipment protection. Please contact us with any questions you may have.

ALLCOM® SGDI Series

Gas tube design with DC injector port for supplying bias control voltage. Freq: 50-1000 MHz

 

Allcom,Surge Arrestor, Surge Suppressor,DC Volt, Lightening Strike, Polyphaser,gas tube, arrestor, dc blocked, dc injector, rf filter, t1, telco, rs422, rs232,band pass filter, twisted pair protection, t1 surge arrestor SGDI Series
Designed to inject dc bias control voltage through the coaxial cable.

Multi-strike, UL listed gas tube design provides reliable protection for expensive transmitters and receivers.

Integral mounting bracket for easy wall or panel installation; available 90° mounting adaptor.

Designed for for easy thru-panel or bulkhead installation.

Stainless steel mounting hardware.

Weather-sealed stainless steel case provides excellent corrosion resistance for consistent long-term performance.

Connector weatherproofing is included; not an option at additional cost.

Silver plated connectors feature TFE dielectric and either gold (type N) or silver (UHF style) plated center pins.
Part Number
Connection Type
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SGDI-20NFNF+XX
N/female + N/female
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SGDI-20NINF+XX
N/female bulkhead + N/female
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SGDI-20NMNF+XX
N/male + N/female
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SGDI-20NINM+XX
N/female bulkhead + N/male
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SGDI-20NMNM+XX
N/male + N/male
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SGDI-20UFUF+XX
UHF/female + UHF/female
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SGDI-20UIUF+XX
UHF/female bulkhead + UHF/female
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SGDI-125NFNF+XX
N/female + N/female
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SGDI-125NINF+XX
N/female bulkhead + N/female
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SGDI-125NMNF+XX
N/male + N/female
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SGDI-125NINM+XX
N/female bulkhead + N/male
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SGDI-125NMNM+XX
N/male + N/male
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SGDI-125UFUF+XX
UHF/female + UHF/female
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SGDI-125UIUF+XX
UHF/female bulkhead + UHF/female
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Typical Throughput Energy
+15      rf:  49nJ        dc:730µJ
+20      rf:1.76µJ      dc:348µJ
+26      rf:1.95µJ      dc:142mJ
+30      rf:1.60µJ      dc:509µJ
+36      rf:0.94µJ      dc:726µJ		 SGDI-20 Series
Frequency Range: 20-700 MHz
Power Rating: 550W@20-220 MHz
                       300W@220-700 MHz
Type: DC Blocked Gas Tube
Connectors: Type N female
VSWR: <=1.1:1 over freq.range
Insertion Loss: <=0.10dB max.
Throughput: dc <=700µJ
rf see spec table below
Surge: 20kA (8/20 µs) min. 5 surges
Turn On: +/- 15% above model voltage
Turn On Time: 2.5 µs for 2kV/ns
Temperature Range: -40°C to +85°C
Relative Humidity: up to 95%
Vibration: 1G at 5 Hz to 100 Hz
Weatherproofing: Sealed case; connector sealant included.		 SGDI-125 Series
Frequency Range: 125-1000 MHz
Power Rating: 550W@125-220 MHz
300W@220-1000 MHz
Type: DC Blocked Gas Tube
Connectors: Type N female
VSWR: <=1.1:1 over freq.range
Insertion Loss: ,<=0.10dB max.
Throughput: <=500µJ
rf see spec table below
Surge: 20kA (8/20 µs) min. 5 surges
Turn On: 350Vdc +/- 15%
Turn On Time: 2.5 µs for 2kV/ns
Temperature Range: -40°C to +85°C
Relative Humidity: up to 95%
Vibration: 1G at 5 Hz to 100 Hz
Weatherproofing: Sealed case; connector sealant included.
 
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