Datasheet

10
Transient Voltage Suppression Diodes
Revision: January 09, 2009
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
SMAJ Series
Surface Mount – 400W > SMAJ series
Please refer to http://www.Littelfuse.com/series/SMAJ.html for current information.
Dimensions
Physical Specifications
Weight 0.002 ounce, 0.061 gram
Case
JEDEC DO-214AC Molded Plastic over
glass passivated junction
Polarity Color band denotes cathode except Bipolar
Terminal
Matte Tin-plated leads, Solderable per
JESD22-B102D
Dimensions
Inches Millimeters
Min Max Min Max
A 0.049 0.065 1.250 1.650
B 0.157 0.177 3.990 4.500
C 0.100 0.110 2.540 2.790
D 0.078 0.090 1.980 2.290
E 0.030 0.060 0.780 1.520
F - 0.008 - 0.203
G 0.194 0.208 4.930 5.280
H 0.006 0.012 0.152 0.305
I 0.070 - 1.800 -
J 0.082 - 2.100 -
K - 0.090 - 2.300
L 0.082 - 2.100 -
Environmental Specifications
Temperature Cycle JESD22-A104
Pressure Cooker JESD22-A102
High Temp. Storage JESD22-A103
HTRB JESD22-A108
Thermal Shock JESD22-A106
Soldering Parameters
Temperature (T)
Time (t)
T
s(min)
T
s(max)
T
L
T
P
t
s
Preheat
t
L
t
p
Ramp-up Critical Zone
T
L
to T
P
Ramp-down
t 25˚C to Peak
25˚C
Reflow Condition -FBEoGSFFBTTFNCMZ
Pre Heat
- Temperature Min (T
s(min)
) 150°C
- Temperature Max (T
s(max)
) 200°C
- Time (min to max) (t
s
) oTFDT
Average ramp up rate (Liquidus Temp
(T
L
) to peak
3°C/second max
T
S(max)
to T
L
- Ramp-up Rate 3°C/second max
Reflow
- Temperature (T
L
) (Liquidus) 217°C
- Time (min to max) (t
s
) oTFDPOET
Peak Temperature (T
P
) 260
+0/-5
°C
Time within 5°C of actual peak
Temperature (t
p
)
oTFDPOET
Ramp-down Rate 6°C/second max
Time 25°C to peak Temperature (T
P
) 8 minutes Max.
Do not exceed 280°C
DO-214AC (SMA)
Cathode Band
A
D
E
G
F
H
C
B
I
L
K
J