BT151L-5-TN3-R datasheet(3/5 Pages) UTC

3 / 5 page

BT151

SCR

UNISONICTECHNOLOGIESCO.,LTD

3 of 5

www.unisonic.com.tw

QW-R301-017,C

TYPICAL CHARACTERISTICS

1ms

100µs

10µs

1000

T/s

100

10ms

ITSM/A

dIT/dt limit

Fig 2. Maximum Permissible Non-Repetitive Peak

On-State Current ITSM,Versus Pulse Width tp, for

Sinusoidal Currents, tp ≤ 10ms

time

ITSM

TJ initial=25°C max

Fig 1. Maximum On-State Dissipation,

ptot, Versus Average On-State Current,

IT(AV), Where a=form factor=IT(RMS)/IT(AV)

IT(AV)/A

105.5

125

118.5

Ptot/W

112

Conduction

angle

degrees

form

factor

120

180

2.8

2.2

1.9

1.57

2.8

2.2

1.9

α=1.57

4 5

7 8

Tmb(max)/°C

ITSM/A

Fig 4. Maximum Permissible Non-Repetitive

Peak On-State Current ITSM,Versus Number Of

Cycles,For Sinusoidal Currents, f=50HZ

100

Number Of Half Cycles At 50Hz

100

time

ITSM

TJ initial=25°C max

120

1000

100

150

-50

Tmb/°C

IT(RMS)/A

Fig 3. Maximum Permissible Rms Current

lT(RMS), Versus Mounting Base

Temperature Tmb

109°C

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