SMAJ12A Littelfuse Inc, SMAJ12A Datasheet - Page 4

• Manufacturer Part Number: SMAJ12A
• Description: DIODE TVS 12V 400W UNI 5% SMA
• Manufacturer: Littelfuse Inc
• Series: SMAJr

Specifications of SMAJ12A

• Package / Case: DO-214AC, SMA
• Voltage - Reverse Standoff (typ): 12V
• Voltage - Breakdown: 13.3V
• Power (watts): 400W
• Polarization: Unidirectional
• Mounting Type: Surface Mount
• Polarity: Unidirectional
• Channels: 1 Channel
• Clamping Voltage: 19.9 V
• Operating Voltage: 12 V
• Breakdown Voltage: 13.3 V
• Termination Style: SMD/SMT
• Peak Surge Current: 20.1 A
• Peak Pulse Power Dissipation: 400 W
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: - 65 C
• Dimensions: 2.79 mm W x 4.5 mm L x 2.29 mm H
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free by exemption / RoHS Compliant
• Other names: SMAJ12ALFTR

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