B72232B251K1 EPCOS Inc, B72232B251K1 Datasheet - Page 10

• Manufacturer Part Number: B72232B251K1
• Description: Varistor, Circuit Protection; 250Vrms/320VDC; 650V; 25000A; Metal Oxide; 2200pF; Screw
• Manufacturer: EPCOS Inc
• Type: MOVr

Specifications of B72232B251K1

• Technology: Metal Oxide
• Capacitance Value: 2200pF
• Clamping Current: 200A
• Clamping Voltage: 650V
• Lead Style: Screw
• Ac Voltage Rating (max): 250VAC
• Dc Voltage Rating (max): 320VDC
• Operating Temp Range: -40C to 85C
• Mounting: Bolt-Down
• Surge Current (max): 25000A
• Lead Spacing: 24mm
• Product Length (mm): 60mm
• Product Depth (mm): 14mm
• Product Height (mm): 55mm
• Energy: 330Joule
• Varistor Voltage: 390V
• Brand/series: E Series
• Capacitance: 2200 pF
• Current, Peak: 25000 A
• Current, Surge: 25000 A
• Dimensions: 60 mm W x 55 mm H x 14 mm T
• Electric Strength: ≥2.5 kV (RMS) (Min.)
• Energy Rating: 340 Joules
• Mounting Style: Leaded
• Package: Screw
• Power Rating: 1.2 W
• Resistance, Insulation: ≥10 Megohms (Min.)
• 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: Compliant

v/i characteristics
v = f (i) – for explanation of the characteristics refer
SIOV-B40K75 … K750
Please read Cautions and warnings and
Important notes at the end of this document.
v
20000
10000
8000
6000
4000
2000
1000
800
600
400
200
100
80
60
40
20
10
V
10
750
550
320
150
130
-5
420
250
75
to “General technical information”, 1.6.3
440
10
A
-4
680
385
140
460
275
230
Block varistors
HighE series
10
-3
10
750
550
420
320
250
150
130
-2
75
10
680
460
385
275
230
140
-1
10
440
0
10
10
B
1
11/07
A = Leakage current
B = Protection level
10
2
10
3
10
VAR0233-X
4
i
A
10
5
for worst-case
varistor tolerances