B72240B251K1 EPCOS Inc, B72240B251K1 Datasheet - Page 5

• 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

Dimensional drawings
Bent strap terminals
SIOV-LS40K … QP
Weight: 20 … 50 g
Straight strap terminals
SIOV-LS40K … QPK2
Weight: 20 … 50 g
Please read Cautions and warnings and
Important notes at the end of this document.
7±0.2
7±0.2
37.5 max.
25.4±0.5
37.5 max.
3.5±0.2
25.4±0.5
3.5±0.2
VAR0507-A
VAR0234-F
T
L
T
HighE, standard, LS40 series
5
Ordering code
B72240L0131K100
B72240L0141K100
B72240L0151K100
B72240L0231K100
B72240L0251K100
B72240L0271K100
B72240L0321K100
B72240L0381K100
B72240L0421K100
B72240L0441K100
B72240L0461K100
B72240L0551K100
B72240L0681K100
B72240L0751K100
Ordering code
B72240L0131K102
B72240L0141K102
B72240L0151K102
B72240L0231K102
B72240L0251K102
B72240L0271K102
B72240L0321K102
B72240L0381K102
B72240L0421K102
B72240L0441K102
B72240L0461K102
B72240L0551K102
B72240L0681K102
B72240L0751K102
11/07
Strap varistors
T
mm
10.6
10.9
11.1
11.4
12.3
13.5
14.1
T
mm
10.6
10.9
11.1
11.4
12.3
13.5
14.1
8.1
8.2
8.3
9.0
9.2
9.4
9.9
8.1
8.2
8.3
9.0
9.2
9.4
9.9
max
max
L ±1.0
mm
–3.5
–3.3
–3.2
–2.0
–1.8
–1.6
–1.1
–0.4
0.0
0.2
0.4
1.2
2.4
3.0
L ±1.0
mm
10.5
4.4
4.5
4.6
5.4
5.6
5.8
6.3
6.9
7.3
7.6
7.8
8.8
9.9