B72240B381K1 EPCOS Inc, B72240B381K1 Datasheet - Page 12

• Manufacturer Part Number: B72240B381K1
• Description: Varistors 385V RMS 40MM Varistor B40K385
• Manufacturer: EPCOS Inc

Specifications of B72240B381K1

• Voltage Rating Dc: 505 V
• Voltage Rating Ac: 385 V
• Clamping Voltage: 1025 V
• Peak Surge Current: 40 KA
• Capacitance: 1900 pF
• Operating Temperature Range: - 40 C to + 85 C
• Mounting: Screw
• Tolerance: 10 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: B72240B0381K001

Derating curves
Maximum surge current i
For explanation of the derating curves refer to “General technical information”, section 1.8.1
i
SIOV-LS40K550QP(K2) … K750QP(K2)
Please read Cautions and warnings and
Important notes at the end of this document.
max
10
10
10
10
10
10
A
5
5
5
5
5
4
3
2
0
1
10
1
Strap varistors
HighE, standard, LS40 series
max
5
= f (t
10
r
, pulse train)
2
10
10
10
10
10
1x
10
2
3
4
5
6
12
5
11/07
10
3
t
r
5
VAR0093-G
t
i
µs
r
max
10
4