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Selection Guides
Selection guides for TDK group products (TDK, EPCOS, TDK-Lambda).
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Products of TDK group (TDK, EPCOS, InvenSense, Micronas, Tronics and TDK-Lambda) can be searched by the part numbers.
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Using the part number of a product of other manufacturers, our products with similar specifications can be searched.
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Software tool to easily select optimum TDK electronic components
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S-parameter, Equivalent Circuit Model, SPICE Model, Libraries for Simulators of TDK brand components
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SIM-CAL STUDIO™ contains useful simulation and calculation tools.
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Voltage / Current / Temperature Protection Devices
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ThermoFuse Varistors
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Product Image
Series
Type
Features
Diameter/
Dimensions
Max.
Operating
Voltage
[AC]
Max.
Operating
Voltage
[DC]
Nom.
Discharge
Current
In
(8/20µs,
15times)
Max.
Surge
Current
Imax
(8/20µs,
1time)
Max.
Energy
Absorption
Wmax(2ms)
Product Catalog
RoHS Certificate
REACH Certificate
Part No. Lists
T14 series
B72214T
HighSurge
Fuse
17x21.6x13mm
130~420Vrms
170~560V
3000A
6000A
50~180J
546KB
229KB
229KB
T20 series
B72220T
HighSurge
Fuse
22x26x12mm
27.5x27.5x18.5mm
130~420Vrms
460~680Vrms
170~560V
615~895V
3000A
10000A
100~273J
300~400J
603KB
ETFV25 series
B72225T
SuperHighSurge
Fuse
30.2x35.2x11.2mm
115~420Vrms
150~560V
10000A
20000A
170~700J
558KB
NT14 series
B72214W/R*
HighSurge
Fuse
17x23x13mm
130~680Vrms
170~895V
3000A
6000A
50~220J
665KB
NT20 series
B72220W/R*
HighSurge
Fuse
23x31x13mm
130~750Vrms
170~1060V
5000A
10000A
100~480J
761KB
MT25 series
B72225M
SuperHighSurge
Fuse
25x28x14mm
150~385Vrms
200~505V
10000A
20000A
215~600J
466KB
MT30 series
B72230M
SuperHighSurge
Fuse
34x28x14mm
150~750Vrms
200~970V
10000~15000A
25000A
215~1025J
336KB
MT40 series
B72240M
SuperHighSurge
Fuse
38x40.9x15.2mm
150~550Vrms
200~750V
20000A
50000A
360~110J
407KB
22KB
22KB
Product Image
Series
Type
Features
Diameter/
Dimensions
Max.
Operating
Voltage
[AC]
Max.
Operating
Voltage
[DC]
Nom.
Discharge
Current
In
(8/20µs,
15times)
Max.
Surge
Current
Imax
(8/20µs,
1time)
Max.
Energy
Absorption
Wmax(2ms)
Product Catalog
RoHS Certificate
REACH Certificate
Part No. Lists
T14 series
B72214T
HighSurge
Fuse
17x21.6x13mm
130~420Vrms
170~560V
3000A
6000A
50~180J
546KB
229KB
229KB
T20 series
B72220T
HighSurge
Fuse
22x26x12mm
27.5x27.5x18.5mm
130~420Vrms
460~680Vrms
170~560V
615~895V
3000A
10000A
100~273J
300~400J
603KB
229KB
229KB
ETFV25 series
B72225T
SuperHighSurge
Fuse
30.2x35.2x11.2mm
115~420Vrms
150~560V
10000A
20000A
170~700J
558KB
229KB
229KB
NT14 series
B72214W/R*
HighSurge
Fuse
17x23x13mm
130~680Vrms
170~895V
3000A
6000A
50~220J
665KB
229KB
229KB
NT20 series
B72220W/R*
HighSurge
Fuse
23x31x13mm
130~750Vrms
170~1060V
5000A
10000A
100~480J
761KB
229KB
229KB
MT25 series
B72225M
SuperHighSurge
Fuse
25x28x14mm
150~385Vrms
200~505V
10000A
20000A
215~600J
466KB
229KB
229KB
MT30 series
B72230M
SuperHighSurge
Fuse
34x28x14mm
150~750Vrms
200~970V
10000~15000A
25000A
215~1025J
336KB
229KB
229KB
MT40 series
B72240M
SuperHighSurge
Fuse
38x40.9x15.2mm
150~550Vrms
200~750V
20000A
50000A
360~110J
407KB
22KB
22KB