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POWER

SEMICONDUCTOR

LITE

ON

SMB SERIES 

FEATURES     

Rating to 200V VBR

For surface mounted applications

Reliable low cost construction utilizing molded plastic 

technique

Plastic material has UL flammability classification 

94V-O

Typical IR less than 1uA above 10V

Fast response time: typically less than 1.0ps for 

Uni-direction,less than 5.0ns for Bi-direction,form 0 

Volts to BV min

MECHANICAL DATA

Case : Molded plastic

Polarity : by cathode band denotes uni-directional 

device none cathode band denotes bi-directional device

Weight : 0.003 ounces, 0.093 gram

T

J

Operating Temperature Range 

-55 to +150

T

STG

Storage Temperature Range 

-55 to +175

C

I

FSM

Peak Forward Surge Current 8.3ms 

single half sine-wave super imposed 

on rated load (Note 3) 

100

AMPS.

UNIT

P

M(AV)

5.0

WATTS

Steady State Power Dissipation at T

L

=75 C    

P

PK

WATTS

PEAK POWER DISSIPATION AT T

A

= 25 C, 

T

P

= 1ms (Note 1,2) 

SYMBOLS

VALUE

Minimum 600

C

CHARACTERISTICS  

(JEDEC METHOD)

 SURFACE MOUNT 

UNIDIRECTIONAL AND BIDIRECTIONAL

TRANSIENT VOLTAGE SUPPRESSORS

      STAND-OFF VOLTAGE - 6.8 to 200 Volts

      POWER DISSIPATION - 600 WATTS

NOTES : 1. Non-repetitive current pulse, per fig. 3 and derated above T

A

= 25 C per fig.1.

               2. Thermal Resistance junction to Lead

               3. 8.3ms single half-sine wave duty cycle= 4 pulses maximum per minute (unidirectional units only).

               4. V

F

= 3.5V on SMB6.8 thru SMB90A devices and V

F

= 5.0V on SMB100 thru SMB200A devices.  

Maximum Instantaneous forward voltage 

at 50A  for unidirectional devices only (Note 3)

V

F

SEE NOTE 4

Volts

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25 C ambient temperature unless otherwise specified.

Single phase, half wave, 60Hz, resistive or inductive load.

For capacitive load, derate current by 20%

REV. 1, 24-May-2000

SMB

  All Dimensions in millimeter

 SMB

 DIM.

 MIN.

 MAX.

   A

   C

   D

   E

   F

   G

   H

   B

 4.06

 4.57

 3.94

 3.30

 1.96

 2.21

 0.31

 0.15

 5.21

 5.59

 0.05

 0.20

 2.01

 2.62

 0.76

 1.52

C

B

A

H

E

F

G

D

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LITE

ON

RATING AND CHARACTERISTIC CURVES

SMB SERIES

FIG.1 - PULSE DERATING CURVE

PE

AK

 PU

L

S

E

 D

E

R

A

T

IN

G

 I

N

 %

 O

F

 P

E

A

K  

  

    

 

           

  P

O

W

E

R

 O

R

 C

U

R

R

E

N

T

 

25

75

100

125

150

 

 

 

0

50

50

100

0

175

75

25

200

AMBIENT TEMPERATURE, C

10 X 1000 WAVEFORM  AS 

DEFINED BY R.E.A.

PM

(AV)

ST

EA

DY

 ST

A

T

E

 P

O

W

E

R

 DI

S

S

IP

A

T

IO

N

 (

W

)

FIG.6 - STEADY STATE POWER DERATING CURVE

TL, LEAD TEMPERATURE

25

75

100

125

150

 

 

 

 

0.0

50

0

175

200

1.0

2.0

3.0

4.0

5.0

 60Hz RESISTIVE OR

   INDUCTIVE LOAD

FIG.3 - PULSE  WAVEFORM

0

0

I

P

PE

AK

  

P

U

L

S

E  

CU

RR

EN

T

 ,

 (

%

)

T, TIME ( ms )

 

 

 

 

50

100

1.0

2.0

3.0

4.0

T

R

=10us

 Peak value (I

RSM)

TP

T

J

=25 C

  I

RSM

     2

 Half value=

FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT

NUMBER OF CYCLES AT 60Hz

PEAK F

O

RW

ARD S

U

R

G

E C

U

R

R

E

N

T

,  

  

 

   

  

   

  

   

  

  

   

A

M

P

E

R

E

S

1

5

10

50

100

2

20

0

20

Pulse Width 8.3ms 

Single Half-Sine-Wave

(JEDEC METHOD)

40

60

80

100

120

10 x 1000 waveform as  

defined by R.E.A.

Pulse width (T

P

) is defined 

as that point where the 

peak current decays to 

50% of I

RSM

FIG.4 - TYPICAL JUNCTION CAPACITANCE

CAPACI

T

ANCE , (p

F

)

STAND-OFF VOLTAGE, VOLTS

10

1

100

10000

1000

100

10

1000

   Bi-directional

T

J

= 25 C

 Uni-directional

FIG.5 - PULSE  RATING  CURVE

P

P

, PEAK  PO

W

E

R (

 K

W

)

T

P

, PULSE  WIDTH

0.1

1.0

10

0.1us

1.0us

10us

100us

1.0ms

10ms

100

   T

A

=150 C

  5.0mm LEAD AREAS 

 NON-REPETITIVE

PULSE WAVEFORM

SHOWN IN FIG 3.

REV. 1, 24-May-2000

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Breakdowm voltage

VBR Volts

Working

PeakReverse

Voltage

Maximum

Reverse

Leakage at

V

RWM

Maximum

Reverse Surge

Current

Maximum

Reverse Voltage

at I

RSM

(Clamping

Voltage)

(UNI)

(BI)

Min.

Max.

@IT( mA)

V

RWM

(Volts)

IR (uA)

I

RSM

(Amps)

V

RSM

(Volts)

SMB6.8

SMB6.8C

KDK

KDM

6.12

7.48

10.0

5.50

1000

55.6

10.8

SMB6.8A

SMB6.8CA

KEK

KEM

6.45

7.14

10.0

5.80

1000

57.1

10.5

SMB7.5

SMB7.5C

KFK

KFM

6.75

8.25

10.0

6.05

500

51.3

11.7

SMB7.5A

SMB7.5CA

KGK KGM

7.13

7.88

10.0

6.40

500

53.1

11.3

SMB8.2

SMB8.2C

KHK KHM

7.38

9.02

10.0

6.63

200

48.0

12.5

SMB8.2A

SMB8.2CA

KKK KKM

7.79

8.61

10.0

7.02

200

49.6

12.1

SMB9.1

SMB9.1C

KLK

KLM

8.19

10.0

10.0

7.37

50.0

44.0

13.8

SMB9.1A

SMB9.1CA

KMK KMM

8.65

9.55

10.0

7.78

50.0

44.8

13.4

SMB10

SMB10C

KNK

KNM

9.00

11.0

1.0

8.10

20.0

40.0

15.0

SMB10A

SMB10CA

KPK

KPM

9.50

10.5

1.0

8.55

20.0

41.4

14.5

SMB11

SMB11C

KQK KQM

9.90

12.1

1.0

8.92

5.0

37.0

16.2

SMB11A

SMB11CA

KRK

KRM

10.5

11.6

1.0

9.40

5.0

38.5

15.6

SMB12

SMB12C

KSK

KSM

10.8

13.2

1.0

9.72

5.0

34.7

17.3

SMB12A

SMB12CA

KTK

KTM

11.4

12.6

1.0

10.2

5.0

35.9

16.7

SMB13

SMB13C

KUK

KUM

11.7

14.3

1.0

10.5

5.0

31.6

19.0

SMB13A

SMB13CA

KVK

KVM

12.4

13.7

1.0

11.1

5.0

33.0

18.2

SMB15

SMB15C

KWK KWM

13.5

16.3

1.0

12.1

5.0

27.3

22.0

SMB15A

SMB15CA

KXK

KXM

14.3

15.8

1.0

12.8

5.0

28.3

21.2

SMB16

SMB16C

KYK

KYM

14.4

17.6

1.0

12.9

5.0

25.5

23.5

SMB16A

SMB16CA

KZK

KZM

15.2

16.8

1.0

13.6

5.0

26.7

22.5

SMB18

SMB18C

LDK

LDM

16.2

19.8

1.0

14.5

5.0

22.6

26.5

SMB18A

SMB18CA

LEK

LEM

17.1

18.9

1.0

15.3

5.0

23.5

25.5

SMB20

SMB20C

LFK

LFM

18.0

22.0

1.0

16.2

5.0

20.6

29.1

SMB20A

SMB20CA

LGK

LGM

19.0

21.0

1.0

17.1

5.0

21.7

27.7

SMB22

SMB22C

LHK

LHM

19.8

24.2

1.0

17.8

5.0

18.8

31.9

SMB22A

SMB22CA

LKK

LKM

20.9

23.1

1.0

18.8

5.0

19.6

30.6

SMB24

SMB24C

LLK

LLM

21.6

26.4

1.0

19.4

5.0

17.3

34.7

SMB24A

SMB24CA

LMK LMM

22.8

25.2

1.0

20.5

5.0

18.1

33.2

SMB27

SMB27C

LNK

LNM

24.3

29.7

1.0

21.8

5.0

15.3

39.1

SMB27A

SMB27CA

LPK

LPM

25.7

28.4

1.0

23.1

5.0

16.0

37.5

SMB30

SMB30C

LQK

LQM

27.0

33.0

1.0

24.3

5.0

13.8

43.5

SMB30A

SMB30CA

LRK

LRM

28.5

31.5

1.0

25.6

5.0

14.4

41.4

SMB33

SMB33C

LSK

LSM

29.7

36.3

1.0

26.8

5.0

12.6

47.7

SMB33A

SMB33CA

LTK

LTM

31.4

34.7

1.0

28.2

5.0

13.2

45.7

SMB36

SMB36C

LUK

LUM

32.4

39.6

1.0

29.1

5.0

11.6

52.0

SMB36A

SMB36CA

LVK

LVM

34.2

37.8

1.0

30.8

5.0

12.0

49.9

SMB39

SMB39C

LWK LWM

35.1

42.9

1.0

31.6

5.0

10.6

56.4

SMB39A

SMB39CA

LXK

LXM

37.1

41.0

1.0

33.3

5.0

11.2

53.9

SMB43

SMB43C

LYK

LYM

38.7

47.3

1.0

34.8

5.0

9.6

61.9

SMB43A

SMB43CA

LZK

LZM

40.9

45.2

1.0

36.8

5.0

10.1

59.3

Device

Uni-

directional

Device

Bi-

directional

Device

Marking code

POWER

SEMICONDUCTOR

LITE

ON

background image

Breakdowm voltage

VBR Volts

Working

PeakReverse

Voltage

Maximum

Reverse

Leakage at

V

RWM

Maximum

Reverse Surge

Current

Maximum

Reverse Voltage

at I

RSM

(Clamping

Voltage)

(UNI)

(BI)

Min.

Max.

@IT( mA)

V

RWM

(Volts)

IR (uA)

I

RSM

(Amps)

V

RSM

(Volts)

SMB47

SMB47C

MDK MDM

42.3

51.7

1.0

38.1

5.0

8.85

67.8

SMB47A

SMB47CA

MEK MEM

44.7

49.4

1.0

40.2

5.0

9.26

64.8

SMB51

SMB45C

MFK MFM

45.9

56.1

1.0

41.3

5.0

8.16

73.5

SMB51A

SMB45CA

MGK MGM

48.5

53.6

1.0

43.6

5.0

8.56

70.1

SMB56

SMB56C

MHK MHM

50.4

61.6

1.0

45.4

5.0

7.45

80.5

SMB56A

SMB56CA

MKK MKM

53.2

58.8

1.0

47.8

5.0

7.79

77.0

SMB62

SMB62C

MLK MLM

55.8

68.2

1.0

50.2

5.0

6.74

89.0

SMB62A

SMB62CA

MMK MMM

58.9

65.1

1.0

53.0

5.0

7.06

85.0

SMB68

SMB68C

MNK MNM

61.2

74.8

1.0

55.1

5.0

6.12

98.0

SMB68A

SMB68CA

MPK MPM

64.6

71.4

1.0

58.1

5.0

6.52

92.0

SMB75

SMB75C

MQK MQM

67.5

82.5

1.0

60.7

5.0

5.56

108

SMB75A

SMB75CA

MRK MRM

71.3

78.8

1.0

64.1

5.0

5.83

103

SMB82

SMB82C

MSK

MSM

73.8

90.2

1.0

66.4

5.0

5.08

118

SMB82A

SMB82CA

MTK MTM

77.8

86.0

1.0

70.1

5.0

5.31

113

SMB91

SMB91C

MUK MUM

81.9

100

1.0

73.7

5.0

4.58

131

SMB91A

SMB91CA

MVK MVM

86.5

95.5

1.0

77.8

5.0

4.80

125

SMB100

SMB100C

MWK MWM

90.0

110

1.0

81.0

5.0

4.17

144

SMB100A

SMB100CA

MXK MXM

95.0

105

1.0

85.5

5.0

4.38

137

SMB110

SMB110C

MYK MYM

99.0

121

1.0

89.2

5.0

3.80

158

SMB110A

SMB110CA

MZK MZM

105

116

1.0

94.0

5.0

3.95

152

SMB120

SMB120C

NDK

NDM

108

132

1.0

97.2

5.0

3.47

173

SMB120A

SMB120CA

NEK

NEM

114

126

1.0

102

5.0

3.64

165

SMB130

SMB130C

NFK

NFM

117

143

1.0

105

5.0

3.21

187

SMB130A

SMB130CA

NGK

NGM

124

137

1.0

111

5.0

3.35

179

SMB150

SMB150C

NHK

NHM

135

165

1.0

121

5.0

2.79

215

SMB150A

SMB150CA

NKK

NKM

143

158

1.0

128

5.0

2.90

207

SMB160

SMB160C

NLK

NLM

144

176

1.0

130

5.0

2.61

230

SMB160A

SMB160CA

NMK NMM

152

168

1.0

136

5.0

2.74

219

SMB170

SMB170C

NNK

NNM

153

187

1.0

138

5.0

2.46

244

SMB170A

SMB170CA

NPK

NPM

162

179

1.0

145

5.0

2.56

234

SMB180

SMB180C

NQK

NQM

162

198

1.0

146

5.0

2.33

258

SMB180A

SMB180CA

NRK

NRM

171

189

1.0

154

5.0

2.44

246

SMB200

SMB200C

NSK

NSM

180

220

1.0

162

5.0

2.09

287

SMB200A

SMB200CA

NTK

NTM

190

210

1.0

171

5.0

2.19

274

NOTE :

1) Suffix 'A ' denotes 5% tolerance device,no suffix denotes 10 % tolerance device.

2) Add suffix 'C 'or ' CA ' after part number to specify Bi-directional devices.

3) For Bi-Directional devices having VR of 10 volts and under, the IR limit is double .

Device

Uni-

directional

Device

Bi-

directional

Device

Marking code

LITE

ON