BT151-8 데이터 시트보기 (PDF) - Unisonic Technologies

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BT151-8

SCRS

Unisonic Technologies 

BT151

SCR

„ TYPICAL CHARACTERISTICS

Fig 1. Maximum On-State Dissipation,

ptot, Versus Average On-State Current,

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

Fig 2. Maximum Permissible Non-Repetitive Peak

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

Sinusoidal Currents, tp ≤ 10ms

Ptot/W

15

Conduction form

Tmb(max)/°C

105.5

1000 ITSM/A

angle factor

degrees a

30

4

10

60

90

2.8

2.2

120

1.9

α=1.57

1.9

2.2

2.8

112

180 1.57 4

dIT/dt limit

100

IT

ITSM

5

118.5

α

T time

0

01 23

125

4 5 6 78

IT(AV)/A

TJ initial=25°C max

10

10µs 100µs

T/s

1ms

10ms

Fig 3. Maximum Permissible Rms Current

lT(RMS), Versus Mounting Base

Temperature Tmb

IT(RMS)/A

15

109°C

10

Fig 4. Maximum Permissible Non-Repetitive

Peak On-State Current ITSM,Versus Number Of

Cycles,For Sinusoidal Currents, f=50HZ

ITSM/A

120

100

IT

ITSM

T time

80

TJ initial=25°C max

60

5

40

0

-50 0

50 100 150

Tmb/°C

20

01

10

100 1000

Number Of Half Cycles At 50Hz

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

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