B72220S250K101 EPCOS Inc, B72220S250K101 Datasheet - Page 21

• Manufacturer Part Number: B72220S250K101
• Description: METAL OXIDE VARISTOR, 31V, 77V, RAD
• Manufacturer: EPCOS Inc
• Type: MOVr

Specifications of B72220S250K101

• Suppressor Type: Varistor
• Peak Surge Current @ 8/20µs: 2kA
• Varistor Case: 20mm DISC
• Clamping Voltage Vc Max: 77V
• Peak Energy (10/1000us): 22J
• Voltage Rating Vdc: 31V
• Voltage Rating Vac: 25V
• Brand/series: Standard Series
• Capacitance: 11100 pF
• Current, Peak: 2000 A
• Dimensions: 21.5 mm (Max.) Dia. x 4.7 mm (Max.) W x 25.5 mm (Max.) H
• Electric Strength: 2.5 kV (RMS) (Min.)
• Energy Rating: 22 Joules
• Mounting Style: Leaded
• Package: Leads
• Power Rating: 0.20 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
• 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: Lead free / RoHS Compliant

v/i characteristics
v = f (i) – for explanation of the characteristics refer
SIOV-S05 …
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
to “General technical information”, 1.6.3
K460
K230
K140
K420
K385
K275
K175
K115
_
K75
K50
K35
K25
K17
K11
5
10
A
K440
_
K300
K250
K150
K130
4
K95
K60
K40
K30
K20
K14
10
_
K50
3
10
K420
K460
K300
K250
K150
K130
_
K95
K60
K40
K30
K20
K14
2
10
21
K440
K385
K275
K230
K175
K140
K115
_
K75
K35
K25
K17
K11
1
11/07
10
A = Leakage current
B = Protection level
B
0
Leaded varistors
StandarD series
10
1
10
2
VAR0458-L
i
for worst-case
varistor tolerances
A
10
3