DC COMPONENTS CO., LTD.
R
SMAJ5.0
THRU
SMAJ170CA
RECTIFIER SPECIALISTS
TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
VOLTAGE RANGE - 5.0 to 170 Volts
PEAK PULSE POWER - 400 Watts
FEATURES
* Ideal for surface mounted applications
* Glass passivated junction
* 400 Watts Peak Pulse Power capability on
10/1000 µs waveform
* Excellent clamping capability
* Low zener impedance
* Fast response time
SMA ( DO-214AC)
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Terminals: Solder plated, solderable per
MIL-STD-750, Method 2026
* Polarity: Indicated by cathode band except Bidirectional types.
* Mounting position: Any
* Weight: 0.064 gram
.062(1.60)
.055(1.40)
.181(4.60)
.157(4.00)
.114(2.90)
.098(2.50)
.096(2.44)
.078(2.00)
.060(1.52)
.030(.76)
.008(.203)
.002(.051)
.208(5.28)
.188(4.80)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load,
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use C or CA suffix (e.g. SMAJ5.0C, SMAJ170CA)
Electrical characteristics apply in both directions
SYMBOL
Peak Pulse Power Dissipation on 10/1000 µs waveform (Note1)
Steady State Power Dissipation ( Note 2 )
Peak Forward Surge Current, 8.3mS single half sine-wave
superimposed on rated load ( JEDEC Method ) ( Note 3 )
Operating and Storage Temperature Range
P
PPM
P
M
(
AV
)
I
FSM
T
J
, T
STG
VALUE
Minimum 400
1.0
40
-65 to + 175
UNITS
Watts
Watts
Amps
0
C
NOTES : 1. Non-repetitive current pulse, per Fig.3 and derated above T
A
= 25
o
C per Fig.2.
2. Mounted on 0.2 X 0.2*(5.0 X 5.0mm) copper pad to each terminal.
3. 8.3ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.
348
SMAJ (400W) SERIES TRANSIENT VOLTAGE SUPPRESSORS
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
N O T E S : 1.V
BR
measured after I
T
applied for 300µs. I
T
= Square Wave Pulse or equivalent.
2.For bidirectonal use C or CA suffixs for all types (ex. SMAJ5.0C, SMAJ170CA).
electrical characteristics apply in both directions.
3.For bidirectional types having V
WM
of 10 volts and less, the I
D
limit is doubled.
DC COMPONENTS CO., LTD.
R
351
嵌入式系统
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