Q20K320 EPCOS Inc, Q20K320 Datasheet - Page 5

• Manufacturer Part Number: Q20K320
• Description: VARISTOR 320VRMS 20MM RADIAL
• Manufacturer: EPCOS Inc
• Series: EnergetiQr

Specifications of Q20K320

• Varistor Voltage: 510V
• Current-surge: 15kA
• Number Of Circuits: 1
• Maximum Ac Volts: 320VAC
• Maximum Dc Volts: 420VDC
• Energy: 255J
• Package / Case: Radial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: B72220Q321K101

Dimensional drawing
Dimensions
Ordering code
B72214Q0131K101
B72220Q0131K101
B72214Q0141K101
B72220Q0141K101
B72214Q0151K101
B72220Q0151K101
B72214Q0171K101
B72220Q0171K101
B72214Q0211K101
B72220Q0211K101
B72214Q0231K101
B72220Q0231K101
B72214Q0251K101
B72220Q0251K101
B72214Q0271K101
B72220Q0271K101
B72214Q0301K101
B72220Q0301K101
B72214Q0321K101
B72220Q0321K101
Please read Cautions and warnings and
Important notes at the end of this document.
1) Seating plane to IEC 60717
d
b
1)
e
mm
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
a
VAR0393-T
s
±1
a ±1
mm
1.9
1.9
2.0
2.0
2.1
2.1
2.2
2.2
2.2
2.2
2.3
2.3
2.4
2.4
2.6
2.6
2.8
2.8
2.9
2.9
b
mm
16.5
22.5
16.5
22.5
16.5
22.5
16.5
22.5
16.5
22.5
16.5
22.5
16.5
22.5
16.5
22.5
16.5
22.5
16.5
22.5
max
5
Weight
Nominal diameter
mm
14
20
The weight of varistors in between these
voltage classes can be interpolated.
11/07
s
mm
5.0
5.0
5.1
5.1
5.2
5.2
5.3
5.3
5.4
5.4
5.5
5.5
5.7
5.7
5.8
5.8
6.1
6.1
6.3
6.3
max
Leaded varistors
EnergetiQ series
h
mm
19.5
27.0
19.5
27.0
19.5
27.0
19.5
27.0
19.5
27.0
19.5
27.0
19.5
27.0
19.5
27.0
19.5
27.0
19.5
27.0
max
V
V
130 … 320
130 … 320
RMS
I
mm
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
min
Weight
g
2.4 … 3.6
4.1 … 6.5
d ±0.05
mm
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0