BYTES SMAJ10, SMAJ100C, SMAJ100CA, SMAJ110A, SMAJ11A Datasheet

SMAJ SERIES

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSORS

VOLTAGE RANGE

FEATURES

* For surface mount application

* Built-in strain relief
* Excellent clamping capability

* Low profile package
* Fast response time: Typically less than

1.0ps from 0 volt to BV min.
* Typical I less than 1 A above 10VR µ
* High temperature soldering guaranteed:

260 C / 10 seconds at terminals

5.0 to 170 Volts

400 Watts Peak Power

DO-214AC(SMA)

.058(1.47)
.052(1.32)

.177(4.50)
.157(3.99)

MECHANICAL DATA

* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end except Bidirectional
* Mounting position: Any

*

Weight: 0.063 grams

.090(2.29)
.078(1.98)

.060(1.52)
.030(0.76)

Dimensions in inches and (millimeters)

.005

(.127)
.208(5.28)
.194(4.93)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.

MAX.

.110(2.79)
.100(2.54)

.012(0.31)
.006(0.15)

RATINGS SYMBOL VALUE UNITS

Peak Power Dissipation at T =25 C, T =1ms(NOTE 1) P Minimum 400 WattsA P PK
Peak Forward Surge Current at 8.3ms Single Half Sine-Wave
superimposed on rated load (JEDEC method) (NOTE 3)

Maximum Instantenous Forward Voltage at 25.0A for
Unidirectional only

Operating and Storage Temperature Range T , T -55 to +150 CJ STG

NOTES:

1. Non-repetitive current pulse per Fig. 3 and derated above T =25 C per Fig. 2.

2. Mounted on Copper Pad area of 5.0mm (.013mm Thick) to each terminal.

3. 8.3ms single half sine-wave, duty cycle = 4 pulses per minute maximum.

2

A

I 40 AmpsFSM

V 3.5 VoltsF

DEVICES FOR BIPOLAR APPLICATIONS

1. For Bidirectional use C or CA Suffix for types SMAJ5.0 thru SMAJ170.

2. Electrical characteristics apply in both directions.

248

RATING AND CHARACTERISTIC CURVES (SMAJ SERIES)

FIG.1-PEAK PULSE POWER DERATING CURVE

100

10

1.0

2

P , PEAK PULSE POWER, KWPPM

5.0mm COPPER PAD AREAS

0.1

0.1 s 1.0 s 10 s 100 s 1.0ms 10ms µ µ µ µ

td, PULSE WIDTH, sec.

FIG.3-PULSE WAVE FORM

150

T =25 C

tf=10 s

µ

Peak Value
I

PPM

100

50

I , PEAK PULSE CURRENT, %PPM

td

0

0 1.0 2.0 3.0 4.0

A

Pulse Width (td) is defined
as the point where the Peak
Current Deacys to 50% of Ipp

Half Value-IPPM

2

10/1000 sec Waveform

µ

as Defined by R.E.A.

e-kt

t, TIME, ms

Non-Repetitive
Pulse Waveform
Shown in Fig. 3
T =25 CA

FIG.2-PULSE DERATING CURVE

100

75

PP PP

50

25

PEAK PULSE POWER(P ) OR CURRENT(I )

DERATING IN PERCENTAGE

0

0 25 50 75 100 125 150 175

T , AMBIENT TEMPERATURE ( C)A

FIG.4-TYPICAL JUNCTION CAPACITANCE

10,000

T =25 C
f=1.0MHz

5,000

2,000

1,000

500

200

C , CAPACITANCE, pFJ

100

Vsig=50mVp-p

Measued at
Zero Bias

J

FIG.5-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT

100

T =T max

80

60

40

20

FSM

I , PEAK FORWARD SURGE

CURRENT, AMPERES

10

1 5 10 20 50 100

NUMBER OF CYCLES AT 60Hz

J J

8.3ms Single Half Sine-wave
JEDEC Method

249

50

20

10

1.0 2.0 5.0 10 20 50 100 200

Measured at
Stand-Off
Voltage(V )MW

V(BR), BREAKDOWN VOLTAGE, VOLTS