DCR818SG48 datasheet(6/9 Pages) LUGUANG

Part #	DCR818SG48

Description	Phase Control Thyristor

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Manufacturer	LUGUANG [Shenzhen Luguang Electronic Technology Co., Ltd]

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0

10

20

30

40

50

60

70

80

90

100

110

120

130

0

500

1000

1500

2000

2500

Mean on-state current, IT(AV) - (A)

d.c.

180

120

90

60

30

0

10

20

30

40

50

60

70

80

90

100

110

120

130

0

500

1000

1500

2000

Mean on-state current, I

T(AV) - (A)

d.c.

180

120

90

60

30

Fig.7 Maximum permissible case temperature,

double side cooled – rectangular wave

Fig.8 Maximum permissible heatsink temperature,

double side cooled – rectangular wave

0

10

20

30

40

50

60

70

0.001

0.01

0.1

1

10

100

Time ( s )

Double Side Cooled

Anode Cooled

Cathode Cooled

1

2

3

4

Double side cooled

Ri (°C/kW)

2.2995

5.4226

16.9074

2.1488

Ti (s)

0.0066401

0.0457025

0.4962482

1.8248

Anode side cooled

Ri (°C/kW)

2.3214

5.2661

10.2686

34.8031

Ti (s)

0.0066948

0.045528

0.3484209

4.582

Cathode side cooled

Ri (°C/kW)

2.4895

5.9105

7.4256

49.3432

Ti (s)

0.0070404

0.052895

0.3933903

4.2295

Zth =

Á [Ri x ( 1-exp. (t/ti))]

[1]

ÁRth(j-c) Conduction

Tables show the increments of thermal resistance Rth(j-c) when the device

operates at conduction angles other than d.c.

Double side cooling

Anode Side Cooling

Cathode Sided Cooling

ÁZth (z)

Â°

sine.

rect.

Â°

sine.

rect.

Â°

sine.

rect.

180

4.15

2.72

180

4.15

2.72

180

4.13

2.71

120

4.90

4.02

120

4.89

4.02

120

4.87

4.00

90

5.74

4.79

90

5.73

4.78

90

5.69

4.76

60

6.53

5.65

60

6.52

5.65

60

6.46

5.60

30

7.16

6.64

30

7.15

6.62

30

7.07

6.56

15

7.46

7.18

15

7.44

7.16

15

7.36

7.09

Fig.9 Maximum (limit) transient thermal impedance – junction to case (°C/kW)

DCR960G26

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