M51-A350X EPCOS Inc, M51-A350X Datasheet - Page 2

• Manufacturer Part Number: M51-A350X
• Description: SURGE ARRESTER 350V GASTUBE 2PIN
• Manufacturer: EPCOS Inc
• Series: M5r

Specifications of M51-A350X

• Spark Over Voltage: 350V
• Tolerance: ±20%
• Impulse Discharge Current: 5.0kA 8x20µs
• Package / Case: Axial
• Mounting Type: Through Hole
• Peak Pulse Current: 10 KA
• Dc Breakover Voltage (nominal): 350 V
• Number Of Electrodes: 2
• Termination Style: Axial
• Failsafe Protection Y/n: N
• Mounting Style: Through Hole
• Technology: Surge Arrester
• Suppressor Type: Gas Discharge
• Impulse Sparkover Voltage: 900V
• Svhc: No SVHC (18-Jun-2010)
• Capacitance: 1pF
• Clamping Voltage: 900V
• Discharge Current Ac Max: 2.5A
• Impulse Discharge Current Max: 5kA
• Rohs Compliant: Yes
• Insulation Resistance: 109ohm
• Sparkover Voltage Dc: 350V
• Dc Breakover Voltage: 350V
• Gdt Case Style: Axial Leaded
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 495-2633; B88069X4640C102

Electrical specifications
KB AB E / KB AB PM
Please read Cautions and warnings and
Important notes at the end of this document.
DC spark-over voltage
Impulse spark-over voltage
Service life
Insulation resistance at 100 V
Capacitance at 1 MHz
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
Weight
Operation and storage temperature
Climatic category (IEC 60068-1)
Marking, blue negative
1)
2)
Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845
Surge arrester
2-electrode arrester
Features
At delivery AQL 0.65 level II, DIN ISO 2859
In ionized mode
Very small size
High current rating
Very fast response time
Stable performance over life
Very low capacitance
High insulation resistance
RoHS-compatible
10 operations
10 operations
at 100 V/µs
at 1 kV/µs
1 operation
1 operation
1 operation
1) 2)
- for 99 % of measured values
- typical values of distribution
- for 99 % of measured values
- typical values of distribution
50 Hz, 1 s
50 Hz, 0.18 s (9 cycles)
8/20 µs
8/20 µs
10/350 µs
dc
Page 2 of 4
Applications
Branch exchange
Line protection
Subscriber protection
Alarm system
350
± 20
< 800
< 750
< 900
< 800
5
10
5
10
0.5
> 1
< 1
~ 15
~ 0.5
~ 60
~ 1
-40 ... +90
40/ 90/ 21
350
YY
O
- Nominal voltage
- Year of production
- Non radioactive
350 YY O
B88069X4640C102
Issue 03 / 2007-04-19
M51-A350X
V
%
V
V
V
V
A
A
kA
kA
kA
GΩ
pF
V
A
V
g
°C