Y49-90L
| keyword | 2-pole threaded DC discharge starting voltage 90V |
|---|---|
| Product Info | Product name: Y49-90L |
Mounted between the neutral line and ground of the communication circuit board and power supply circuit of the 2-pole arrester (GDT) communication device, and used to protect the device from induced voltage and TOV (temporary overvoltage) induced in the line to do.
Compared to other products, it has a very large current capacity (8 / 20µs, maximum 40kA).
Main applications
- Various electronic devices
- Communication line protection
- AC power supplies
- Inverters
- Very large current withstand capability
- Low capacitance
- Broadband compatible
- Excellent heat and mechanical shock due to use of ceramic envelope
- Excellent current withstand capability and temperature environment characteristics of repeated surge
Dimensions (Unit: mm)
Specification
| item | conditions | Performance |
| DC discharge start voltage | 100 V / s | 90 V ± 20% |
| Impulse discharge start voltage | 10/200 μs, 3 kV | 800 V or less |
| Insulation resistance | DC 50 V | 10000 MΩ or more |
| Capacitance | 1 MHz | 10 pF or less |
| AC repetitive current capacity | AC 15A, 80 s (10 minute intervals) | 30 times |
| Impulse repetition current capability | 8/20 μs, 20 kA (1 minute interval) | 30 times |
| Maximum AC current capacity | AC 5000A, 0.1 s * | Once |
| Maximum impulse current capability | 8/20 μs, 40 kA * | Once |
| mass | - | Approx. 300 g |
* Discharge without cracks or short circuit of electrodes in the ceramic part.
Notes on use
When using this product for AC power, be sure to use it together with a varistor.
If the arrester is used alone, a follow current may occur.
We also have AV series (2 poles) and AV3P series (3 poles) with arresters and varistors integrated.