| Zombie Components LLC | Sylmar, California |
Citel P8AX09-TW/MF RP gas discharge tube coaxial surge protector, TNC male to TNC female bulkhead feedthrough, reverse polarity (RP) connector variant. DC pass, bi-directional, replaceable GDT module. Bulkhead hex nut, sealing gasket and side ground screw with external-tooth lock washer are fitted. Used on antenna feedlines for WiFi, two-way radio, cellular, GPS and telemetry equipment. Photographed with two TNC to SMA adapters.
60 Day Money Back Guarantee.
- Replaceable GDT design (Citel BBHF-90V module).
- UL 497E listed series, IP65, DC pass, bi-directional (Citel published).
- Complete hardware on the photographed unit: nut, gasket, ground screw, lock washer.
- Two TNC to SMA adapters photographed with the unit.
- Quantity of 22 allows multi-unit sales.
| Parameter | Value |
| MPN | P8AX09-TW/MF RP |
| Brand | Citel |
| Series | P8AX09 (Citel published values for the TNC male/female version) |
| Technology | gas discharge tube, replaceable module Citel BBHF-90V |
| Frequency range | DC to 3.5 GHz |
| Impedance | 50 ohm |
| Max DC operating voltage | 72 V DC |
| Max RF power | 25 W |
| Max discharge current Imax (8/20 us) | 20 kA |
| Nominal discharge current In | 5 kA |
| Insertion loss | < 0.2 dB |
| Return loss | > 20 dB; VSWR < 1.2:1 |
| Protection level Up at 1 kV/us | < 650 V |
| DC pass | yes; bi-directional |
| Connectors | TNC male / TNC female, reverse polarity (RP) per label |
| Housing | brass with Cu Zn Sn plating; contacts bronze with Au-Ag plating |
| Mounting | bulkhead or bracket |
| Operating temperature | -40 to +85 C |
| Ingress protection | IP65 |
| Failure mode | short circuit |
| Standards | IEC 61643-21, EN 61643-21, UL 497E |
One Citel P8AX09-TW/MF RP surge protector with bulkhead hex nut, sealing gasket, and ground screw with lock washer.
Two TNC to SMA adapters as photographed (RP-TNC male to SMA male; TNC female to SMA female).
Not included:
Mounting bracket, coaxial cables, documentation, original packaging.
For 50 ohm coaxial lines with reverse polarity TNC connectors; confirm RP mating with your cable and antenna before ordering. Bulkhead mounting needs a panel hole for the threaded TNC female side. Ground screw must be bonded to the site ground for the protector to work. Replacement GDT module: Citel BBHF-90V.
Where possible, electronics are tested. The value of an item determines the effort put into testing; items not specifically tested in detail are visually inspected and reviewed for operational status. Any exceptional wear is noted in the description. Most items are covered by a money-back guarantee.
Box 6 x 6 x 4 in, ship weight 1 lb. Bubble wrapped in a rigid box.
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This listing carries a 60 day money back guarantee: return your purchase for any reason within 60 days for a full refund or exchange. Returned items must be in the condition received and in the original packaging.
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