Surface Mount Transient Voltage Suppressors

Revision March 1,2022

www.unsemi.com.tw

For technical questions, contact: tech@unsemi.com.tw

ROHS

Specifications are subject to change without notice.

Please refer to www.unsemi.com.tw for current information.

SACA Series

5.0 To 50V 500W

2/3

Electrical Characteristics (@=25℃ Unless Otherwise Specified)

Ratings and Characteristic Curves (TA=25°C unless otherwise noted)

Part

Number

Device

Marking

Code

Breakdown

Voltage

VBR

Test

Current

IT

(mA)

Stand-Off

Voltage

VMW

(V)

Maximum

Reverse

Leakage IR

@VRWM

(μA)

Maximum

Junction

Capacitance

@0V

(pF)

Maximum

Reverse

Surge

Current IPP

(A)

Maximum

Clamping

Voltage

VC @IPP (V)

SACA5.0

SACA6.0

SACA7.0

SACA8.0

SACA8.5

SACA10

SACA12

SACA15

SACA18

SACA22

SACA26

SACA30

SACA36

SACA45

SACA50

SAD

SAE

SAF

SAG

SAH

SAK

SAL

SAM

SAN

SAP

SAQ

SAR

SAS

SAT

SAU

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

7.6

7.9

8.33

8.89

9.44

11.10

13.30

16.70

20.00

24.40

28.90

33.30

40.00

50.00

55.50

5.0

6.0

7.0

8.0

8.5

10

12

15

18

22

26

30

36

45

50

45

45

45

45

45

45

45

45

45

45

45

45

45

45

45

44.0

41.0

38.0

36.0

34.0

29.0

25.0

20.0

15.0

14.0

11.1

10.0

8.6

6.8

5.8

10.0

11.2

12.6

13.4

14.0

16.3

19.0

23.6

28.8

35.4

42.3

48.6

60.0

77.0

88.0

300

300

300

100

50

5

5

5

5

5

5

5

5

5

5

Figure 2 - Power Derating Curve Surge Current

Figure 1 – Peak Pulse Power Rating Curve

TL - Lead temperature(°C)

0

25

50

75

100

125

150

175

0

20

40

60

80

100

Power Dissipation

Peak Power (Single Pulse)

TJ=Initial Temperature

100

0.1

1

0.1

1

10

100

1000

10000

10

td

0.5

PPK

Impulse

Exponential

td

td=7tp

Half Sine

PPK

td

Square

Current Waveforms

PPK

TD - Pulse Width (μs)