SMBT70A-13-F Datasheet SMBJ33CA-13-F, SMAT70A-13-F, SMBT70A-13-F | P1-P3

SMAT70A / SMBT70A

Document number: DS30213 Rev. 11 - 2

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www.diodes.com

November 2014

SMAT70A / SMBT70A

400W, 600W SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Features

 400, 600W Peak Pulse Power Dissipation

 70V Standoff Voltage

 100V Maximum Clamping Voltage

 Suitable for 48V Backplane Telecom Applications

 Glass Passivated Die Construction

 Fast Response Time: Typically Less than 1ps

 Lead-Free Finish; RoHS Compliant (Notes 1 & 2)

 Halogen and Antimony Free. “Green” Device (Note 3)

Mechanical Data

 Case: SMA / SMB

 Case Material: Molded Plastic. UL Flammability Classification

Rating 94V-0

 Moisture Sensitivity: Level 1 per J-STD-020D

 Terminals: Lead-Free Plating (Matte Tin Finish). Solderable

per MIL-STD-202, Method 208

 Polarity Indicator: Cathode Band

 Weight: SMA 0.064 grams (Approximate)

SMB 0.093 grams (Approximate)

Ordering Information (Note 4)

Part Number

Case

Packaging

SMAT70A-13-F

SMA

5,000/Tape & Reel

SMBT70A-13-F

SMB

3,000/Tape & Reel

Notes: 1. EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. All applicable RoHS exemptions applied.

2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"

and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

4. For packaging details, go to our website at http”//www.diodes.com/products/packages.html.

Marking Information

Top View

Bottom View

Green

xxx = Product Type Marking Code

See Electrical Characteristics Table

= Manufacturers’ Code Marking

YWW = Date Code Marking

Y = Last Digit of Year ex: 4 for 2014

WW = Week Code 01 to 53

YWW

xxx

SMAT70A / SMBT70A

Document number: DS30213 Rev. 11 - 2

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www.diodes.com

November 2014

SMAT70A / SMBT70A

Maximum Ratings (@T

A

= +25°C unless otherwise specified.)

Characteristic

Symbol

SMAT70A

SMBT70A

Unit

Peak Pulse Power Dissipation

(Non-repetitive current pulse derated above T

A

= +25°C)

P

PK

400

600

W

Peak Forward Surge Current, 8.3ms Single Half-Sine Wave

Superimposed on Rated Load (Note 5)

I

FSM

40

100

A

Instantaneous Forward Voltage @ I

PP

= 35A (Note 5)

V

F

3.5

V

Thermal Characteristics

Characteristic

Symbol

Value

Unit

Operating and Storage Temperature Range

T

J

, T

STG

-55 to +150

°C

Electrical Characteristics (@T

A

= +25°C unless otherwise specified.)

Part Number

Reverse

Standoff

Voltage

Breakdown

Voltage

V

BR

@ I

T

(Note 6)

Test

Current

Max.

Reverse

Leakage @

V

RWM

Max.

Clamping

Voltage @

I

pp

Max. Peak

Pulse Current

I

pp

Typical Total

Capacitance

(Note 6)

Typical

Voltage

Temp.

Variation

of V

BR

Marking

Code

V

RWM

(V)

Min

(V)

Max

(V)

I

T

(mA)

I

R

(µA)

V

C

(V)

(A)

(pF)

mV/°C

SMAT70A

70

77.8

89.5

1.0

5.0

100

3.5

140

80

KEX

SMBT70A

70

77.8

89.5

1.0

5.0

100

5.3

290

80

NPX

Notes: 5. V

BR

measured with I

T

current pulse = 10 ~ 15 ms.

6. f = 1MHz, V

R

= 0VDC.

10 X 1000 Waveform

as defined by REA

0 25 50 75 100 125 150 175 200

100

75

50

25

0

T , AMBIENT TEMPERATURE ( C)

Fig. 1 Pulse Derating Curve

A

°

PEAK PULSE DERATING IN % OF

PEAK POWER OR CURRENT

I , PEAK PULSE CURRENT (%I )

PP pp

t

p

t, TIME (ms)

Fig. 2 Pulse Waveform

SMAT70A / SMBT70A

Document number: DS30213 Rev. 11 - 2

3 of 5

www.diodes.com

November 2014

SMAT70A / SMBT70A

Package Outline Dimensions

Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version.

(1) SMA

(2) SMB

0.1 1.0

0.1

10 100

1.0

10

1,000 10,000

T = 25 C

J

°

SMBT70A

SMAT70A

P , PEAK PULSE POWER (kW)

D

100

Non Repetitive

Pulse Waveform

Shown in Fig. 3

t , PULSE WIDTH (µs)

Fig. 3 Pulse Rating Curve

p

75

80

85

90

0 25

V , BREAKDOWN VOLTAGE

BR

T , AMBIENT TEMPERATURE (°C)

Fig. 4 Average Breakdown Voltage vs. Ambient Temperature

A

95

100

50 100

75

125 150

SMA

Dim

Min

Max

A

2.29

2.92

B

4.00

4.60

C

1.27

1.63

D

0.15

0.31

E

4.80

5.59

G

0.05

0.20

H

0.76

1.52

J

2.01

2.30

All Dimensions in mm

SMB

Dim

Min

Max

A

3.30

3.94

B

4.06

4.57

C

1.96

2.21

D

0.15

0.31

E

5.00

5.59

G

0.05

0.20

H

0.76

1.52

J

2.00

2.50

All Dimensions in mm

A

B

C

D

G

H

E

J

A

B

C

D

G

H

E

J

SMBT70A-13-F

SMBT70A-13-F

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