UT137FF datasheet(3/5 Pages) UTC

Part #	UT137FF

Description	TRIACS

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Manufacturer	UTC [Unisonic Technologies]

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UTC UT137FF/FG

TRIAC

UTC UNISONIC TECHNOLOGIES CO., LTD. 3

QW-R401-016,B

TYPICAL CHARACTERISTICS

1ms

100us

10us

1000

T/s

Figure 2. Maximum Permissible Non-repetitive

Peak On-state Current ITSM,vs Pulse Width

tp,for Sinusoidal Currents,tp≦20ms

10

100

10ms

100ms

ITSM/A

Number of Cycles at 50Hz

Figure 3 .Maximum Permissible Non-Repetitive

peak on-state Current ITSM,vs Number of Cycles,

for Sinusoidal Currents,f=50Hz

10

100

ITSM/A

1

1000

100

150

-50

50

0

1.6

0.8

Tj/℃

1.2

1.4

1

0.6

0.4

Figure 6.Normalised Gate Trigger Voltage VGT(Tj)/

VGT(25℃),vs Junction Temperature Tj

VGT(25℃)

VGT(Tj)

dIT/dt limit

T2-G+ quadrant

ITSM

time

Tj initial=25℃max

IT

70

40

80

60

20

0

50

30

10

IT

time

ITSM

Tj initial=25℃max

T

4

8

0

12

2

IT(RMS)/A

Figure 1.Maximum on -state Dissipation.Ptot vs RMS On-

state Current,IT(RMS),Whereα=Conduction Angle.

8

0

10

6

100

150

-50

50

0

10

2

Ths/℃

4

0

71

116

80

125

107

Ptot/W

Tsp(max)/C

α

=180

α

=120

α

=90

α

=60

α

=30

Figure 4.Maximum Permissible RMS Current IT(RMS)

vs Heatsink Temperature Ths

IT(RMS)/A

73℃

α

4

10

26

89

98

6

8

25

10

Surge Duration /S

15

20

5

0

Figure 5.Maximum Permissible Repetitive RMS on-state

Current IT(RMS),vs Surge Duration,for Sinusoidal

Currents,f=50Hz;Ths≦73℃

0.01

0.1

1

10

IT(RMS)/A

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