LITE-ON
SEMICONDUCTOR
SMAJ SERIES
SURFACE MOUNT
UNIDIRECTIONAL AND BIDIRECTIONAL
TRANSIENT VOLTAGE SUPPRESSORS
STAND-OFF VOLTAGE - 5.0 to 170 Volts
POWER DISSIPATION - 400 WATTS
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 1.0ns 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 : 0.002 ounces, 0.064 gram
SMA
SMA
A DIM. MIN. MAX.
A 4.06 4.57
B 2.29 2.92
BC
C 1.27 1.63
D 0.15 0.31
E 4.83 5.59
G
H FD
E
F 0.05 0.20
G 2.01 2.62
H 0.76 1.52
All Dimensions in millimeter
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
CHARACTERISTICS
SYMBOLS
PEAK POWER DISSIPATION AT TA = 25 C,
TP = 1ms (Note 1,2)
Peak Forward Surge Current 8.3ms
single half sine-wave super imposed
on rated load (Note 3)
(JEDEC METHOD)
PPK
IFSM
Steady State Power Dissipation at TL =75 C
PM(AV)
Maximum Instantaneous forward voltage
at 35A for unidirectional devices only
VF
VALUE
Minimum 400
40
1.0
3.5
UNIT
WATTS
AMPS.
WATTS
Volts
Operating Temperature Range
TJ
-55 to +150
C
Storage Temperature Range
TSTG
-55 to +175
C
NOTES : 1. Non-repetitive current pulse, per fig. 3 and derated above TA= 25 ℃ per fig.1.
REV. 4, 12-Jan-2004, KSIA02
2. Thermal Resistance junction to Lead
3. 8.3ms single half-sine wave duty cycle= 4 pulses maximum per minute (unidirectional units only).
