28

SCR

ASO

Tr

Ry

R2R3

R1

RE

P

Ry

Signal

Tr 1 Tr2

R1

R2

Tr

Tr

Ry

Ry R

Tr

Ry

I B

Tr Ic

Ry

ON

OFF

Ry

I B

I C

()

ONOFF

3

CE

()

()()1)RE

2Tr2PTr2P3SignalCR

29

VCESAT

0.7V

GND

Tr1 Tr1Tr2 Tr2

Ry

VCESAT

0.1V

Ry

Tr1 Tr2Tr1

Io

R y

Tr2

I0

Tr1

S

R y

R y

Ry R

C

RGK

IGT C

R

S

R y

IGT : 3 ()RGK : 1KRC : (dv/dt)

VCESAT

UJ7DC10%VAC

SCR

16&5ONOFFSCR 23

4)

P/C

SCRSCR

()

30

Ry

LED R1

Ry

Ry

R2

NO

NC

R-S-F.F

Binary CounterB

A

C

Ry

1)ABC 2)

Ry

L

()

C

Ry

C

1

2

15\ 2LEDR 3)Ry

Ry()LEDRy(h)LED1.5V down(h)()

Ry()LEDRy()LED1.5V down(h)R1()

R2()LEDRy()()R2()

NONCNONC

S.S.R.

-1-1-2

LEDLED

31

C

R y

-1

-2

-3

C

C

R y

C

R y

M

AB

RyA

B

Co

Tr

A1B1A2B2

B2

B1

A1

A2

CO

Ry

Tr

150

70

1/151/21/151/21015%

3150mm

-2-3

mm

1.0.20.5mm () +0.2mm2.233.12

LED

32

3.02.52.01.51.0

10

20

40

0.500

1

2

3

4

5

6

7

8

9

10

0.2

A

(mm)

35m60

2 4

3.02.52.01.51.0

10

20

40

0.500

123

456

789

10

1112

1314

A

(mm)

70m60

3 51

3.02.52.01.51.00.500

5

10

15

20

25

30

35

40

A

(mm)

70m

35m

18m

200100503020105321

1

2

5

10

2030

3

50

100

200

0.5

m

(mm)

=0.5mm

1mm

2mm

3mm

35m

3.02.52.01.51.0

10

20

40

0.500

1

2

3

4

5

6

7

8

9

10

0.2

A

(mm)

18m

60

CR

0.30.5mm

1()2

P/C10134

33

6.0

5.0

4.0

3.0

2.0

1.0

00 0.2 0.5 1.0 2.0 3.0 4. 0

kV

61JISC5010UL

1 DCACV mm

050 0.38151150 0.635151300 1.27301500 2.54500 0.00508mm/V

6(mm)