FA55

The FA55 responds very quickly to induced lightning and electrostatic discharges.
Capable of many types of AC withstand tests.
Ideal for protecting power supplies from power-line surge voltage.

Features

•Small size. (φ5.5mm Length 7mm)
•Alows performing the AC withstanding voltage test.
•Quick response for surge voltage, and low limiting voltage.
•Small capacitance and excellent insulation resistance.
•Stable for repeated discharge test conditions and environmental fluctuation.
•Axial and Radial taping available.
•No polarity.
•No dark effect.
•FA55 combined with varistor can be used as surge-protecting elements in power supplies.
•Operating temperature limit : -40 ~ 85℃
•Storage Temperature Range : -55 ~ 85℃

Dimensions

 

 

 

Note 1) Largest possible max diameter.
   2) Largest possible distance of either edge of glass or from stud.


Characteristics

Part number Impulse sparkover
voltage
1.2/50μsec.
Insuration resistance
(IR)
Electrostatic capacitance
1kHz-6V max.
Surge current capacity
8/20μsec
Surge life test
8/20μsec.
100A
FA55-272 4,500V max. ≧100MΩmin. DC 500V ≦1pF max. 2,500A 300times
FA55-302 5,000V max.
FA55-362 5,000V max.
FA55-402 6,000V max.
Part number AC Withstanding Voltage DC sparkover voltage
Vs
*Reference value
UL recognized EN recognized
UL1449
File No. E318314
EN62368-1
TÜV. Report
No. J50189760
FA55-272 AC1,000V-1min. 2,700V(2,160~3,240) ○ 1)  
AC1,200V-3sec.
FA55-302 AC1,500V-1min. 3,000V(2,400~3,600) ○ 1) ○ 2)
FA55-362 AC1,800V-3sec. 3,600V(2,880~4,320) ○ 1) ○ 2)
FA55-402 AC2,000V-1min. 4,000V(3,200~4,800) ○ 1) ○ 2)

1):Approved if used with a varistor (125VAC : V1mA ≧ 270V, D ≧φ 7mm, 250VAC : V1mA ≧ 470V, D ≧φ 7mm), electrically connected in series.
2):Approved if used with a varistor (V1mA ≧ 470V, D ≧φ 5mm), electrically connected in series.
3):Safety standard certification conditions may be revised. Would you confirm the web site of each standard about the latest information.

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