B72240B251K1 EPCOS Inc, B72240B251K1 Datasheet - Page 12
B72240B251K1
Manufacturer Part Number
B72240B251K1
Description
Varistors 250V RMS 40MM Varistor B40K250
Manufacturer
EPCOS Inc
Type
MOVr
Specifications of B72240B251K1
Voltage Rating Dc
320 V
Voltage Rating Ac
250 V
Clamping Voltage
650 V
Peak Surge Current
40 KA
Capacitance
2900 pF
Operating Temperature Range
- 40 C to + 85 C
Mounting
Screw
Tolerance
10 %
Brand/series
E Series
Current, Peak
40000 A
Current, Surge
40000 A
Dimensions
60 mm W x 55 mm H x 14 mm T
Electric Strength
≥2.5 kV (RMS) (Min.)
Energy Rating
490 Joules
Mounting Style
Leaded
Package
Screw
Power Rating
1.4 W
Resistance, Insulation
≥10 Megohms (Min.)
Technology
Metal Oxide
Temperature, Operating, Maximum
85 °C
Temperature, Operating, Minimum
-40 °C
Terminal Type
Screw
Voltage, Ac
250 VAC
Voltage, Clamping
650 V
Voltage, Dc
320 VDC
Voltage, Operating
250 Vrms⁄320 VDC
Voltage, Varistor
390
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
B72240B0251K001
v/i characteristics
v = f (i) – for explanation of the characteristics refer
SIOV-B80K130 … K1100
Please read Cautions and warnings and
Important notes at the end of this document.
v
10000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
V
10
750
550
320
250
150
_
to “General technical information”, 1.6.3
5
420
10
A
1100
680
130
Block varistors
HighE series
460
385
440
275
230
_
4
10
_
3
10
1100
680
460
385
275
230
130
_
2
10
440
_
1
10
750
550
420
320
250
150
0
12
10
B
1
11/07
A = Leakage current
B = Protection level
10
2
10
3
10
VAR0531-Z
i
4
A
10
for worst-case
varistor tolerances
5