Key facts
- Brand
- Littelfuse
- Model
- CG3
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-05-09
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Littelfuse AC and CG3 Series Gas Plasma Arrester (GDT) Datasheet
The AC and CG3 Series Gas Plasma Arresters are two‑electrode surge protection devices designed for AC line protection and high‑voltage isolation. The AC series (models AC120 and AC240) protect 120VAC and 240VAC circuits, while the CG3 series covers a voltage range of 1.0 kV to 75 kV for applications such as CRT terminals, CATV equipment, and medical electronics.
Key specifications include low capacitance (<1.5 pF), an operational temperature range of –40 °C to +90 °C, and the ability to extinguish follow‑on currents of at least 200 A. Devices are offered in various lead and packaging options, including tape‑and‑reel, bulk, and with or without leads.
Littelfuse CG3 specifications
| Capacitance | <1.5 pF |
|---|---|
| Operational temperature range | -40 °C to +90 °C |
| AC240 line voltage | 240 VAC |
| Maximum follow‑on current | ≥200 A |
| CG3 voltage rating | 1.0 kV – 75 kV |
| Arc voltage | ~140 V |
Source: Littelfuse AC and CG3 Series Gas Plasma Arrester (GDT) Datasheet
All Littelfuse CG3 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What voltage ratings are available for the AC series?
The AC series includes AC120 for 120 VAC lines and AC240 for 240 VAC lines.
From: Littelfuse AC and CG3 Series Gas Plasma Arrester (GDT) Datasheet
What is the capacitance of the Gas Plasma Arresters?
The devices have a low capacitance of less than 1.5 pF.
From: Littelfuse AC and CG3 Series Gas Plasma Arrester (GDT) Datasheet
What are the recommended reflow soldering temperature limits?
Reflow soldering should not exceed 260 °C, with a typical peak temperature of 260 °C and a temperature range of 150 °C to 200 °C during the process.
What is the operating temperature range for the AC and CG3 series?
They are rated for operation from –40 °C up to +90 °C.