Description
LP-GTR-NFM-23
The Times-Protect LP-GTR-NFM-23 series is an exceptional broadband DC pass design for lightning protection applications requiring DC power to be supplied to the electronics.
Offering outstanding surge performance, the LP-GTR series is the perfect protection solution for distributed antenna systems, tower mounted amplifiers, GPS systems and other applications requiring DC pass circuitry.
These devices exhibit outstanding RF performance with high surge current handling characteristics and cover a broad range of power handling requirements from 50 to 550 watts.
Its fully weatherized housing meeting IP67 standard allows for outdoor as well as indoor installation. The N connector designs cover the entire frequency spectrum from DC through 3000MHz.
LP-GTR-NFM-23 is available with N female connector on one end and N Male connector on the other end.
Advantages Include:
- DC Pass Multi-Strike Design
- Replaceable Gas Tube
- Broadband Bidirectional Design
- Excellent IL/RL Performance Over the Entire Operating Frequency Band
- Fully Weatherised Housing
- Solid Brass Construction for Durability and Long Life
- Includes Universal Right Angle Bracket Adaptor
- Direct, Drop in Replacement for Polyphaser RGT-DFM
LP-GTR-NFM-23 Electrical Specifications
| Impedance | 50 Ohms |
| Frequency Range | DC-3000MHz |
| VSWR/Return Loss | < 1.1:1 / <-26dB (DC-2800MHz)
< 1.13:1 / <-24dB (2800-3000MHz) |
| Insertion Loss | < 0.1dB (DC-1000MHz)
< 0.2dB (1000-3000Mhz) |
| Maximum Surge Current | 20kA multiple (8×20µs wave-form) |
| Part Number: LP-GTR | NFF/NFM | NFF-23/NFM-23 | NFF-35 |
| Impulse Sparkover | 500V (1kV/µs) | 700V (1kV/µs) | 800V (1kV/µs) |
| Turn on | 90Vdc | 230Vdc | 350Vdc |
| Average Power | 50 Watts | 210 Watts | 550 Watts |
| Protection Circuit | DC Pass | Protection Circuit | DC Pass |
LP-GTR-NFM-23 Mechanical/Environmental Specifications
| Temp Range Storage/Operating | -40°C – +85°C |
| Weatherisation | IEC 60068 40/085/21 & IP67 |
| Vibration | US MIL-STD 202, Meth.204, Cond.B |
| Thermal shock | US MIL-STD 202, Meth.107,Cond.B |
| Shock | US MIL-STD 202, Meth.213,Cond.I |
| RoHS Compliant | Yes |
| Mating Life Cycle | > 500 |
| Recommended Coupling Nut Torque | 7 to 10 lb-in |
| Unit Weight | 0.2kg/pc / 0.44lb |
Material Specifications
| Component | Material | Plating |
| Body | Brass | White Bronze/Tri-Plate/Albaloy |
| Inner Conductor Male | Brass | Silver |
| Inner Conductor Female | Phosphor Bronze | Silver |
| Coupling Nut | Brass | White Bronze/Tri-Plate/Albaloy |
| Insulator | TPX | — |
| O Ring | Silicone Rubber | — |
Other Connector Configurations of the LP-GTR Device
- LP-GTR-NFF (90Vdc/50W)
- LP-GTR-NFF-23 (230Vdc/210W)
- LP-GTR-NFF-35 (350Vdc/550W)
- LP-GTR-NFM (90Vdc/50W)
- LP-GTR-NFM-23 (230Vdc/210W)
- LP-GTR-NFM-35 (350Vdc/550W)
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