B72210S250K101 EPCOS Inc, B72210S250K101 Datasheet - Page 30

• Manufacturer Part Number: B72210S250K101
• Description: Varistor, Circuit Protection; 25Vrms; 77V; 500A; Metal Oxide; 3200pF; Wire; 0.05W; 25ns
• Manufacturer: EPCOS Inc
• Type: MOVr

Specifications of B72210S250K101

• Technology: Metal Oxide
• Capacitance Value: 3200pF
• Clamping Current: 5A
• Clamping Voltage: 77V
• Lead Style: Radial
• Ac Voltage Rating (max): 25VAC
• Dc Voltage Rating (max): 31VDC
• Operating Temp Range: -40C to 85C
• Mounting: Through Hole
• Surge Current (max): 500A
• Lead Spacing: 7.5mm
• Product Depth (mm): 4.2mm
• Product Height (mm): 14.5mm
• Product Diameter (mm): 12mm
• Energy: 3.7Joule
• Varistor Voltage: 39V
• Brand/series: Standard Series
• Capacitance: 3200 pF
• Current, Peak: 500 A
• Dimensions: 12.0 mm (Max.) Dia. x 4.2 mm (Max.) W x 14.5 mm (Max.) H
• Electric Strength: 2.5 kV (RMS) (Min.)
• Energy Rating: 3.7 Joules
• Mounting Style: Leaded
• Package: Leads
• Power Rating: 0.05 W (Max.) @ +85 °C
• Resistance, Insulation: 10 Megohms (Min.)
• Temperature, Operating, Maximum: 85 °C
• Temperature, Operating, Minimum: -40 °C
• Terminal Type: Tinned Copper
• Time, Response: 25 ns (Max.)
• Voltage, Ac: 25 VAC
• Voltage, Clamping: 77 V
• Voltage, Dc: 31 VDC
• Voltage, Operating: 25 Vrms @ +85 °C, 31 VDC @ +85 °C
• Voltage, Varistor: 39
• Lead Free Status / RoHS Status: Compliant

Derating curves
Maximum surge current i
For explanation of the derating curves refer to “General technical information”, section 1.8.1
SIOV-S14K50 … K320
SIOV-S14K385 … K1000
Please read Cautions and warnings and
Important notes at the end of this document.
i
i
max
max
10
10
10
10
10
10
10
10
10
10
10
10
A
A
5
5
5
5
5
5
5
5
_
_
4
3
2
1
0
4
3
2
0
1
1
1
10
10
1
1
Leaded varistors
StandarD series
max
5
5
= f (t
10
10
r
, pulse train)
10
10
10
10
1x
10
1x
10
2
2
3
5
3
5
10
10
10
10
10
10
2
2
2
4
6
2
4
6
30
5
5
11/07
10
10
3
3
t
t
r
r
5
5
VAR0105-9
VAR0104-1
t
t
i
i
µs
r
µs
r
max
max
10
10
4
4