B72210S251K101 EPCOS Inc, B72210S251K101 Datasheet - Page 33

• Manufacturer Part Number: B72210S251K101
• Description: METAL OXIDE VARISTOR, 320V 650V RAD
• Manufacturer: EPCOS Inc
• Type: MOVr

Specifications of B72210S251K101

• Suppressor Type: Varistor
• Peak Surge Current @ 8/20µs: 2.5kA
• Varistor Case: 10mm DISC
• Clamping Voltage Vc Max: 650V
• Peak Energy (10/1000us): 38J
• Voltage Rating Vdc: 320V
• Voltage Rating Vac: 250V
• Brand/series: Standard Series
• Capacitance: 215 pF
• Current, Peak: 2500 A
• Current, Surge: 2500 A
• Dimensions: 12.0 mm (Max.) Dia. x 4.8 mm (Max.) W x 14.5 mm (Max.) H
• Electric Strength: ≥2.5 kV (RMS) (Min.)
• Energy Rating: 38 Joules
• Mounting Style: Leaded
• Package: Leads
• Power Rating: 0.40 W (Max.) @ +85 °C
• Resistance, Insulation: ≥10 Megohms (Min.)
• Technology: Metal Oxide
• Temperature, Operating, Maximum: 85 °C
• Temperature, Operating, Minimum: -40 °C
• Terminal Type: Tinned Copper
• Voltage, Ac: 250 VAC
• Voltage, Clamping: 650 V
• Voltage, Dc: 320 VDC
• Voltage, Operating: 250 Vrms @ +85 °C, 320 VDC @ +85 °C
• Voltage, Varistor: 390
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Derating curves
Maximum surge current i
For explanation of the derating curves refer to “General technical information”, section 1.8.1
SIOV-S20K510 … K1000
Please read Cautions and warnings and
Important notes at the end of this document.
i
max
10
10
10
10
10
10
A
5
5
5
5
_
4
3
2
1
0
1
10
1
max
5
= f (t
10
r
, pulse train)
10
10
1x
10
2
3
5
10
10
10
2
4
6
2
33
5
11/07
10
Leaded varistors
3
StandarD series
t
r
5
VAR0108-Y
t
i
µs
r
max
10
4