B40K250 EPCOS Inc, B40K250 Datasheet - Page 3

• Manufacturer Part Number: B40K250
• Description: VARISTOR BLOCK 250VRMS 40MM
• Manufacturer: EPCOS Inc
• Series: HighEr

Specifications of B40K250

• Varistor Voltage: 390V
• Current-surge: 40kA
• Number Of Circuits: 1
• Maximum Ac Volts: 250VAC
• Maximum Dc Volts: 320VDC
• Energy: 490J
• Package / Case: Chassis Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: B72240B 251K 1; B72240B0251K001; B72240B251K1

Maximum ratings (T
Ordering code
B72240B0750K001
B72232B0131K001
B72240B0131K001
B72260B0131K001
B72280B0131K001
B72232B0151K001
B72240B0151K001
B72260B0151K001
B72280B0151K001
B72232B0231K001
B72240B0231K001
B72260B0231K001
B72280B0231K001
B72232B0251K001
B72240B0251K001
B72260B0251K001
B72280B0251K001
B72232B0271K001
B72240B0271K001
B72260B0271K001
B72280B0271K001
B72232B0321K001
B72240B0321K001
B72260B0321K001
B72280B0321K001
B72232B0381K001
B72240B0381K001
B72260B0381K001
B72280B0381K001
Varistor elements without plastic housing (suitable for soldering) are available upon request.
Please read Cautions and warnings and
Important notes at the end of this document.
A
= 85 °C)
Type
SIOV-
B40K75
B32K130
B40K130
B60K130
B80K130
B32K150
B40K150
B60K150
B80K150
B32K230
B40K230
B60K230
B80K230
B32K250
B40K250
B60K250
B80K250
B32K275
B40K275
B60K275
B80K275
B32K320
B40K320
B60K320
B80K320
B32K385
B40K385
B60K385
B80K385
V
V
130
130
130
130
150
150
150
150
230
230
230
230
250
250
250
250
275
275
275
275
320
320
320
320
385
385
385
385
75
RMS
3
11/07
V
V
100
170
170
170
170
200
200
200
200
300
300
300
300
320
320
320
320
350
350
350
350
420
420
420
420
505
505
505
505
DC
Block varistors
i
(8/20 µs)
A
100000
100000
100000
100000
100000
100000
100000
max
HighE series
25000
25000
40000
70000
25000
40000
70000
25000
40000
70000
25000
40000
70000
25000
40000
70000
25000
40000
70000
25000
40000
70000
W
(2 ms)
J
1200
1300
1400
1000
1600
1200
2000
190
210
310
490
660
240
360
570
800
300
460
730
330
490
800
360
550
860
430
640
550
800
max
P
W
1.4
1.2
1.4
1.6
2.0
1.2
1.4
1.6
2.0
1.2
1.4
1.6
2.0
1.2
1.4
1.6
2.0
1.2
1.4
1.6
2.0
1.2
1.4
1.6
2.0
1.2
1.4
1.6
2.0
max