+1 800 882 9110 | PolyPhaser.com
DT-NFF REV 1.0, | © 2018 PolyPhaser, Inc., All Rights Reserved.
1
DT-NFF
Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz,
40W, IP67, 6 V Max., 500uJ, 4kA, Gas Discharge Tube
Features
• Surge current of 4kA
• Max Power 40W(RMS)
• Frequency range from DC to 3 GHz
• N-type Female connectors
• Waterproof IP67 rated
• DC Pass
• VSWR <1.2:1
• CE & RoHS compliant
• Bidirectional
Applications
• WiFi
• GPS • Land mobile radio
.
Description
RF surge protector (also known as lightning arrester or surge arrestor) DT-NFF from PolyPhaser, utilizing a gas tube (GT or GDT). This
RF surge protector component is manufactured in a coaxial in-line design with wide operating frequency range. All PolyPhaser RF surge
protector products are available in stock with same day shipping.
Electrical Specications
Surge Protector T ype Gas Discharge Tube
DC Handling DC Pass
Description Minimum Typical Maximum Units
Frequency Range DC 3 GHz
Impedance 50 Ohms
VSWR 1.2:1
Insertion Loss 0.25 dB
Operating Voltage (DC) 6 Volts
Operating Current (DC) 10 A
Resistance (DC) 20 mOhms
Input Power, CW 40 Watts
40W @ 30MHz
Surge Current 4 kA
IEC 61000-4-5 8/20µs WAVEFORM
Turn On Voltage 150 ±20% Volts
Throughput Voltage 100 Volts
<100V PEAK WITH 8/20µsec 4kA SURGE PULSE
Click the following link (or enter part number in “SEARCH” on website) to obtain additional part information including price, inventory and certications:
Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 6 V Max., 500uJ, 4kA, Gas Discharge Tube DT-NFF
+1 800 882 9110 | PolyPhaser.com
DT-NFF REV 1.0, | © 2018 PolyPhaser, Inc., All Rights Reserved.
2
Throughput Energy 500 uJ
8/20µsec 4kA SURGE PULSE
Sparkover Impulse Voltage 500 Volts
500 Volts @ 1000V/µs
Sparkover Voltage (DC) 150 ±20% Volts
Holdover Voltage 80 Volts
80 Volts @ <150ms
.
Specications by Frequency
Description F1 F2 F3 F4 F5 Units
Frequency Range DC to 1 1 to 3 GHz
VSWR, Typ 1.1:1 1.2:1
Insertion Loss, Max 0.1 0.25 dB
.
Mechanical Specications
Size
Length 2.89 in [73.41 mm]
Width/Diameter 1.2 in [30.48 mm]
.
Weight 0.2 lbs [90.72 g]
Conguration
Input Connector N Female
Output Connector N Female
Environmental Specications
Temperature
Operating Range -50 to 85 deg C
.
Ingress Protection (IP) Rating IP67
Humidity 95%, Non-condensing, 100% external
DT-NFF
Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz,
40W, IP67, 6 V Max., 500uJ, 4kA, Gas Discharge Tube
Click the following link (or enter part number in “SEARCH” on website) to obtain additional part information including price, inventory and certications:
Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 6 V Max., 500uJ, 4kA, Gas Discharge Tube DT-NFF
+1 800 882 9110 | PolyPhaser.com
DT-NFF REV 1.0, | © 2018 PolyPhaser, Inc., All Rights Reserved.
3
Compliance Certications (see product page for current document)
Plotted and Other Data
Notes:
Typical Performance Data
1.00
1.10
1.20
1.30
1.40
1.50
1.60
1.70
1.80
1.90
2.00
0.00 0.30 0.60 0.90 1.20 1.50 1.80 2.10 2.40 2.70 3.00
GHz
VSWR
DT-NFF
Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz,
40W, IP67, 6 V Max., 500uJ, 4kA, Gas Discharge Tube
Click the following link (or enter part number in “SEARCH” on website) to obtain additional part information including price, inventory and certications:
Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 6 V Max., 500uJ, 4kA, Gas Discharge Tube DT-NFF
+1 800 882 9110 | PolyPhaser.com
DT-NFF REV 1.0, | © 2018 PolyPhaser, Inc., All Rights Reserved.
4
-1.00
-0.90
-0.80
-0.70
-0.60
-0.50
-0.40
-0.30
-0.20
-0.10
0.00
0.00 0.30 0.60 0.90 1.20 1.50 1.80 2.10 2.40 2.70 3.00
dB
GHz
INSERTION LOSS
PolyPhaser protects and increases the reliability of global RF communications networks, including transportation, telecommunications,
defense, security and industrial applications, with superior RF surge protection technologies including DC Block, DC Pass and Ultra
Low PIM. Backed by responsive service and expert technical support PolyPhaser continually expands its product o󰀨ering and services
to serve engineers’ urgent needs for RF components in mission critical communication networks.
Click the following link (or enter part number in “SEARCH” on website) to obtain additional part information including price, inventory
and certications: Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 6 V Max., 500uJ, 4kA, Gas Discharge
Tube DT-NFF
URL: https://www.polyphaser.com/type-n-surge-protector-3ghz-3ghz-gas-discharge-tube-dt-n󰀨
DT-NFF
Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz,
40W, IP67, 6 V Max., 500uJ, 4kA, Gas Discharge Tube
+1 800 882 9110 | PolyPhaser.com
DT-NFF REV 1.0, | © 2018 PolyPhaser, Inc., All Rights Reserved.
5
.53 13.5
.94
.070 X .055
23.9
O-RING GROOVE
.98 24.9 1.14 29
2.89 73.4
2X FEMALE N CONNECTOR
1.20 30.5
°
.XXX=±
.XX=±
DRAWING NUMBER
1/32
1
.005
.01
1:1
11
A
DT-NFF
N FEM CONNECTORS
dc-3GHz IN-LINE EMP SURGE
NOTICE: THE INFORMATION AND DESIGN IN
THIS DOCUMENT IS THE PROPERTY OF
POLYPHASER CORP. ALL RIGHTS RESERVED.
REV
UNLESS OTHERWISE SPECIFIED
LEADING DIMENSIONS ARE INCHES
DIMENSIONS IN [ ] ARE MILLIMETERS
CAGE
TITLE
A
FRACTIONS=±
ANGLES=±
TOLERANCES:
SIZE
SCALE
SHEET of
THIRD-ANGLE PROJECTION
THESE COMMODITIES, TECHNOLOGY OR SOFTWARE WERE EXPORTED FROM THE UNITED STATES IN ACCORDANCE WITH
THE EXPORT ADMINISTRATION REGULATIONS. DIVERSION CONTRARY TO U.S. LAW PROHIBITED.
PROD CAT
DSP
30992
ALL DIMENSIONS SHOWN ARE FOR REFERENCE ONLY.
Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W,
IP67, 6 V Max., 500uJ, 4kA, Gas Discharge Tube
DT-NFF CAD Drawing