NKT55 datasheet(2/4 Pages) NELLSEMI

2 / 4 page

FORWARD CONDUCTION

PARAMETER

Maximum average on-state current (thyristors)

Maximum average forward current (diodes)

180° conduction, half sine wave, T = 85°C

Maximum RMS on-state current

Maximum peak, one-cycle, on-state

non-repetitive surge current

t = 10 ms No voltage

reapplied

Sine half wave,

initial T = T maximum

t = 8.3 ms

kA2s

Maximum I2√t for fusing

t = 0.1 ms to 10 ms, no voltage reapplied

Maximum on-state voltage drop

VTM

Maximum forward voltage drop

VFM

Maximum holding current

Maximum latching current

400

BLOCKING

PARAMETER

SYMBOL

TEST CONDITIONS

VALUES

Maximum peak reverse and

off-state leakage current

IRRM

IDRM

TJ = 150 °C

RMS isolation Voltage

VISO

50 Hz, circuit to base,

all terminals shorted

Critical rate of rise of

off-state voltage

dV/dt

exponential to 67 % rated VDRM

V/μs

UNITS

ELECTRICAL SPECIFICATIONS

VOLTAGE RATINGS

TYPE

NUMBER

VOLTAGE

CODE

VRRM/VDRM, MAXIMUM REPETITIVE

PEAK REVERSE VOLTAGE

VRSM/VDSM, MAXIMUM NON-REPETITIVE

PEAK REVERSE VOLTAGE

IRRM/IDRM

AT 150 °C

NKT55

600

700

800

900

1200

1300

1400

1500

1600

1700

180° conduction, half sine wave ,50Hz ,T = 85°C

VALUE

1250

1313

7.81

7.13

78.1

1.6

1.3

150

1000

t = 10 ms

t = 8.3 ms

t = 10 ms

t = 8.3 ms

kA √

5.51

5.05

reapplied

100%VRRM

2500 (1min)

3000 (1s)

UNITS

NKH55

lT(RMS)

Page 2 of 4

www.nellsemi.com

Maximum l t for fusing

TEST CONDITIONS

SYMBOL

lT(AV)

lF(AV)

lF(RMS)

lFSM

lTSM

No voltage

reapplied

t = 10 ms

t = 8.3 ms reapplied

100%VRRM

1050

1103

l t

√

Maximum value of threshold voltage

Maximum value of on-state slope resistance

VT(TO)

T = T Maximum

1.05

4.25

mΩ

I = 165A, T = 25°C, 180° conduction

Anode supply = 6V, resistive load T = 25°C

T = T Maximum

Nell High Power Products

NKT55/NKH55 Series RoHS

Apr 2017

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