B72220S251K101 EPCOS Inc, B72220S251K101 Datasheet - Page 22

• Manufacturer Part Number: B72220S251K101
• Description: Varistor, Circuit Protection; 250Vrms; 650V; 8000A; Metal Oxide; 700pF; Wire; 1W; 25ns
• Manufacturer: EPCOS Inc
• Type: MOVr

Specifications of B72220S251K101

• Technology: Metal Oxide
• Capacitance Value: 700pF
• Clamping Current: 100A
• Clamping Voltage: 650V
• Lead Style: Radial
• Ac Voltage Rating (max): 250VAC
• Dc Voltage Rating (max): 320VDC
• Operating Temp Range: -40C to 85C
• Mounting: Through Hole
• Surge Current (max): 8000A
• Lead Spacing: 10mm
• Product Depth (mm): 5.3mm
• Product Height (mm): 25.5mm
• Product Diameter (mm): 21.5mm
• Energy: 140Joule
• Varistor Voltage: 390V
• Brand/series: Standard Series
• Capacitance: 700 pF
• Current, Peak: 8000 A
• Current, Surge: 8000 A
• Dimensions: 21.5 mm (Max.) Dia. x 5.3 mm (Max.) W x 25.5 mm (Max.) H
• Electric Strength: ≥2.5 kV (RMS) (Min.)
• Energy Rating: 130 Joules
• Mounting Style: Leaded
• Package: Leads
• Power Rating: 1.00 W (Max.) @ +85 °C
• Resistance, Insulation: ≥10 Megohms (Min.)
• 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: Compliant

v/i characteristics
v = f (i) – for explanation of the characteristics refer
SIOV-S07 …
Please read Cautions and warnings and
Important notes at the end of this document.
v
6000
4000
2000
1000
800
600
400
200
100
80
60
40
20
10
V
8
6
4
2
1
10
K420
K460
K300
K250
K150
K130
K385
to “General technical information”, 1.6.3
K95
K60
K40
K30
K20
K14
_
5
10
K440
Leaded varistors
StandarD series
A
K275
K230
K175
K140
K115
_
K75
K50
K35
K25
K17
K11
4
10
_
K50
3
10
K420
K460
K385
K300
K250
K150
K130
_
K95
K60
K40
K30
K20
K14
2
10
K275
K230
K175
K140
K115
K440
_
K75
K35
K25
K17
K11
1
22
10
0
11/07
B
A = Leakage current
B = Protection level
10
1
10
2
10
VAR0443-Q
3
i
for worst-case
varistor tolerances
A
10
4