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.

2/5

SMCJS Series

15 To 43V 4600W

Part Number

Bi

Stand-Off

Voltage

VRMW

(V)

Breakdown

Voltage VBR (V)

Maximum

Reverse

Leakage

IR @VRWM

(uA)

Maximum

Reverse

Surge

Current IPP(1)

(A)

Maximum

Clamping

Voltage

VC @IPP (V)

Test

Current

IT (mA)

MIN

MAX

Uni

SMCJ15CAS

SMCJ16CAS

SMCJ18CAS

SMCJ20CAS

SMCJ22CAS

SMCJ24CAS

SMCJ26CAS

SMCJ30CAS

SMCJ33CAS

SMCJ36CAS

SMCJ40CAS

SMCJ43CAS

SMCJ15AS

SMCJ16AS

SMCJ18AS

SMCJ20AS

SMCJ22AS

SMCJ24AS

SMCJ26AS

SMCJ30AS

SMCJ33AS

SMCJ36AS

SMCJ40AS

SMCJ43AS

15.0

16.0

18.0

20.0

22.0

24.0

26.0

30.0

33.0

36.0

40.0

43.0

16.70

17.80

20.00

22.20

24.40

26.70

28.90

33.30

36.70

40.00

44.40

47.80

18.60

19.80

22.20

24.50

26.90

29.50

31.90

36.80

40.60

44.20

49.10

52.80

5.0

5.0

5.0

5.0

5.0

5.0

5.0

5.0

5.0

5.0

5.0

5.0

24.4

26.0

29.2

32.4

35.5

38.9

42.1

48.4

53.3

58.1

64.5

66.4

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

Figure 2 - Pulse Derating Curve

Figure 1 - Pulse Waveform

t - Time (ms)

10/1000µsec. Waveform

as defined by R.E.A

Half Value

IPPM (IPPM/2)

Peak Value

IPPM

TR=10µsec

TJ=25°C

Pulse Width(td) is defined

as the point where the peak

current decays to 50% of IPPM

0

1.0

2.0

3.0

4.0

0

50

100

150

50

50

30

5

5

5

5

5

5

5

5

5

205.0

192.0

175.0

203.0

185.0

170.0

157.0

136.0

124.0

113.0

102.0

95.0

TA-Ambient temperature(°C)

0

25

50

75

100 125 150 175

0

20

40

60

80

100

Figure 4 - I-V Curve Characteristics

Figure 3-1-V Curve Characteristics

Electrical Characteristis (@ 25°C Unless Otherwise Specified )

Note:(1)Surge waveform: 10/1000μs

V

VC VBR VR

IR VF

IT

IPP

Uni-directional

V

VC VBR VR

VC

VBR

VR

IR

IR

IT

IT

IPP

IPP

Bi-directional