The SL1122A series Hybrid 2 Electrode Gas Discharge Tube (GDT) features excellent response to fast rising transients, flat response up to 10kV/μs, and 10kA surge capability tested with 8/20μs pulse as defined by IEC 61000-4-5. It is suitable for MDF protection, ADSL equipment, XDSL equipment, alarm panels, and general telecom equipment.
The SL1122A Series hybrid gas discharge tubes combine a high‑performance Alpha gas plasma tube with a MOV for fast transient protection. They are RoHS compliant and designed for applications such as MDF protection, ADSL/XDSL equipment, alarm panels, and general telecom gear.
The document provides detailed electrical characteristics, mechanical dimensions, material information, packaging details, and recommended soldering and reflow processes for reliable assembly and performance verification.
| Surge Current | 10 kA (8/20 µs pulse) |
|---|---|
| DC Breakdown Voltage | Not specified (rated at 100 V/s) |
| Arc Voltage (on‑state) | Not specified (measured @1 A) |
| Insulation Resistance | Not specified |
| Capacitance | Not specified (measured @1 MHz, 0 V bias) |
| Nominal AC Discharge Current | Not specified (10 × 1 s @50 Hz) |
| DC Holdover Voltage | Not specified (<150 ms) |
| Operating Temperature | -40 °C to +90 °C |
| Transverse Voltage (Delay Time) | < 0.2 µs |
| Glow to Arc Transition Current | ~1 A |
| Glow Voltage | ~60 V to 200 V |
| Electrode Base Material | Nickel Iron Alloy |
It can handle a 10 kA surge tested with an 8/20 µs pulse.
The device operates from –40 °C to +90 °C.
The electrode base is made of a nickel‑iron alloy.
The transverse voltage delay time is less than 0.2 µs.