ThermoFuse Varistor
Series/Type:
Ordering code:
Date:
Version:
NT14*
B72214***
2017-05-15
a
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Ordering code: (top right header bar)
Series/Type: (top right header bar)
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ThermoFuse Varistor
B72214***
NT14*
PPD VAR PD
2017-05-15
a
Rongguang Zhang
Dr. Wen Yang
Mac Gao
Levi Li
New issue
EPCOS AG 2017. Reproduction, publication and dissemination of this publication, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
ThermoFuse Varistor
B72214***
NT14*
Construction
Round varistor element, leaded
Coating: epoxy resin, flame-retardant to UL 94 V-0
Terminals: tinned copper wire, metal compound wire
Features
Wide operating voltage range 130
…
680 VRMS
Self-protected under abnormal overvoltage conditions
High-energy AdvanceD series E2
Applications
Inverters in solar power systems Houshold appliances
Power supply units
Inverters in solar power systems
Lighting applications
Communication and data systems
Transient voltage surge suppressors (TVSS)
Electronic metering
General technical data
Climatic category
Operating temperature
Storage temperature
Electric strength
Insulation resistance
Response time
to IEC 60068-1
40/85/56
-40…+85
-40... +85
≥2.5
≥100
< 25
°
C
°
C
kV
RMS
MΩ
ns
Nomenclature
NT
14
K
***
E2
S5
K4
=
=
=
=
=
=
=
Series designation
Rated disk diameter (mm)
Tolerance of V
V
at 1 mA:
±10%
Max. AC voltage
Energy absorption characteristics, AdvanceD series
Crimp design S5
2 pins version
PPD VAR PD
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 14
2017-05-15
ThermoFuse Varistor
B72214***
NT14*
Dimensional drawing in mm
Straight leads
Crimp leads
*K4
*S5K4
Typical applications
PPD VAR PD
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 14
2017-05-15
ThermoFuse Varistor
B72214***
NT14*
Dimension
Ordering code
Type
（untaped）
-SIOV
mm
B72214W2131K101
B72214R2131K101
B72214W2141K101
B72214R2141K101
B72214W2151K101
B72214R2151K101
B72214W2171K101
B72214R2171K101
B72214W2211K101
B72214R2211K101
B72214W2251K101
B72214R2251K101
B72214W2271K101
B72214R2271K101
B72214W2301K101
B72214R2301K101
B72214W2321K101
B72214R2321K101
B72214W2351K101
B72214R2351K101
B72214W2381K101
B72214R2381K101
B72214W2421K101
B72214R2421K101
B72214W2461K101
B72214R2461K101
B72214W2511K101
B72214R2511K101
B72214W2551K101
B72214R2551K101
B72214W2621K101
B72214R2621K101
B72214W2681K101
B72214R2681K101
NT14K130E2
NT14K130E2K4
NT14K140E2
NT14K140E2K4
NT14K150E2
NT14K150E2K4
NT14K175E2
NT14K175E2K4
NT14K210E2
NT14K210E2K4
NT14K250E2
NT14K250E2K4
NT14K275E2
NT14K275E2K4
NT14K300E2
NT14K300E2K4
NT14K320E2
NT14K320E2K4
NT14K350E2
NT14K350E2K4
NT14K385E2
NT14K385E2K4
NT14K420E2
NT14K420E2K4
NT14K460E2
NT14K460E2K4
NT14K510E2
NT14K510E2K4
NT14K550E2
NT14K550E2K4
NT14K625E2
NT14K625E2K4
NT14K680E2
NT14K680E2K4
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
b
max
h
max
mm
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
s
max
mm
e
±1
mm
7.5
7.5
7.5
e1
±1
mm
2.6
2.6
2.7
2.7
2.8
2.8
2.8
2.8
2.9
2.9
3.1
3.1
3.2
3.2
3.3
3.3
3.5
3.5
3.7
3.7
4.0
4.0
4.2
4.2
4.4
4.4
4.5
4.5
4.7
4.7
5.0
5.0
5.5
5.5
e2
±1
mm
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
e3
±1
mm
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
L
min
mm
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
L1
min
mm
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
φd
±0.05
mm
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
9.0
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
9.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
11.0
7.5
7.5
7.5
7.5
7.5
7.5
7.5
12.0
7.5
7.5
7.5
7.5
13.0
7.5
7.5
PPD VAR PD
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 14
2017-05-15
ThermoFuse Varistor
B72214***
NT14*
Ordering code
Type
（untaped）
-SIOV
b
max
mm
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
h
max
mm
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
s
max
mm
e
±1
mm
7.5
7.5
7.5
e1
±1
mm
2.6
2.6
2.7
2.7
2.8
2.8
2.8
2.8
2.9
2.9
3.1
3.1
3.2
3.2
3.3
3.3
3.5
3.5
3.7
3.7
4.0
4.0
4.2
4.2
4.4
4.4
4.5
4.5
4.7
4.7
5.0
5.0
5.5
5.5
e2
±1
mm
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
5
/
e3
±1
mm
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
1
/
L
min
mm
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
L1
min
mm
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
6
/
φd
±0.05
mm
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
B72214W2131K501
B72214R2131K501
B72214W2141K501
B72214R2141K501
B72214W2151K501
B72214R2151K501
B72214W2171K501
B72214R2171K501
B72214W2211K501
B72214R2211K501
B72214W2251K501
B72214R2251K501
B72214W2271K501
B72214R2271K501
B72214W2301K501
B72214R2301K501
B72214W2321K501
B72214R2321K501
B72214W2351K501
B72214R2351K501
B72214W2381K501
B72214R2381K501
B72214W2421K501
B72214R2421K501
B72214W2461K501
B72214R2461K501
B72214W2511K501
B72214R2511K501
B72214W2551K501
B72214R2551K501
B72214W2621K501
B72214R2621K501
B72214W2681K501
B72214R2681K501
NT14K130E2S5
NT14K130E2S5K4
NT14K140E2S5
NT14K140E2S4K4
NT14K150E2S5
NT14K150E2S5K4
NT14K175E2S5
NT14K175E2S5K4
NT14K210E2S5
NT14K210E2S5K4
NT14K250E2S5
NT14K250E2S5K4
NT14K275E2S5
NT14K275E2S5K4
NT14K300E2S5
NT14K300E2S5K4
NT14K320E2S5
NT14K320E2S5K4
NT14K350E2S5
NT14K350E2S5K4
NT14K385E2S5
NT14K385E2S5K4
NT14K420E2S5
NT14K420E2S5K4
NT14K460E2S5
NT14K460E2S5K4
NT14K510E2S5
NT14K510E2S5K4
NT14K550E2S5
NT14K550E2S5K4
NT14K625E2S5
NT14K625E2S5K4
NT14K680E2S5
NT14K680E2S5K4
9.0
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
9.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
11.0
7.5
7.5
7.5
7.5
7.5
7.5
7.5
12.0
7.5
7.5
7.5
7.5
13.0
7.5
7.5
PPD VAR PD
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 14
2017-05-15
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