OVERVIEW SURGE VOLTAGE SUPPRESSORS34
Device families grouped by breakdown-voltage class and disc diameter
UBR
(25 mA, 25 °C) |
30 mm disc |
| 100 – 2000 V |
DAS 233-400 |
| 200 – 3000 V |
DAS 343-400 |
| 300 – 3800 V |
DAS 443-400 |
Example order code
- Symmetrical surge-voltage suppressor (prefix “DAS”)
- Design version
- Peak dissipation rating PRSM, kW
- Voltage code (e.g. 30 → 3000 V breakdown class)
SURGE VOLTAGE SUPPRESSORS — ELECTRICAL PARAMETERS34
| Type |
UBR
(25 mA, 25 °C)
V range |
PRSM
(10 µs, 25 °C)
kW |
IRM
mA |
Temp-coefficient
of UBR
% / °C |
Asym-mismatch
of UBR
% |
F
(8/20 µs)
kW |
RthJC
°C/W |
Tjmax
°C |
Fig. |
| DAS 233-400 |
100 – 2000 |
4 |
5 |
0.15 |
7 |
8 × 10 |
0.05 |
140 |
5 |
| DAS 343-400 |
200 – 3000 |
4 |
5 |
0.15 |
7 |
8 × 10 |
0.05 |
140 |
12 |
| DAS 443-400 |
300 – 3800 |
5 |
7 |
0.15 |
7 |
8 × 10 |
0.05 |
140 |
7 |