SMAJ40CA-TR STMicroelectronics, SMAJ40CA-TR Datasheet - Page 5

• Manufacturer Part Number: SMAJ40CA-TR
• Description: IC TVS BIDIRECT 400W 40V SMA
• Manufacturer: STMicroelectronics
• Series: TRANSIL™r

Specifications of SMAJ40CA-TR

• Voltage - Reverse Standoff (typ): 40V
• Voltage - Breakdown: 44.4V
• Power (watts): 400W
• Polarization: Bidirectional
• Mounting Type: Surface Mount
• Package / Case: DO-214AC, SMA
• Number Of Elements: 1
• Polarity: Bi-Directional
• Package Type: SMA
• Operating Temperature Classification: Military
• Reverse Breakdown Voltage: 44.4V
• Clamping Voltage: 84V
• Reverse Stand-off Voltage: 40V
• Leakage Current (max): 200nA
• Peak Pulse Current: 27A
• Peak Pulse Power Dissipation: 400W
• Test Current (it): 1mA
• Operating Temp Range: -55C to 150C
• Mounting: Surface Mount
• Pin Count: 2
• Diode Type: Bidirectional TVS
• Power Dissipation Pd: 3.3W
• Clamping Voltage Vc Max: 64.5V
• Diode Case Style: DO-214AC
• No. Of Pins: 2
• Breakdown Voltage Min: 44V
• Breakdown Voltage Range: 46.7V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3718-2

SMAJ
Figure 6.
Figure 8.
Figure 10. Thermal resistance, junction to
10000
1.0E+02
1.0E+01
1.0E+00
130
120
110
100
1.0E-01
1.0E-02
1000
90
80
70
60
50
40
30
20
10
100
0
10
0.0
1
R
0.0
th(j-a)
(°C/W)
0.5
T
Junction capacitance versus
reverse applied voltage for
unidirectional types (typical values)
Peak forward voltage drop
versus peak forward current
(typical values)
0.5
ambient, versus copper surface
under each lead
j
=125 °C
1.0
1.5
SMAJ5.0A
1.0
V
10
R
(V)
PCB FR4, copper thickness = 35 µm
T
j
2.0
SMAJ12A
=25 °C
1.5
2.5
SMAJ24A
SMAJ40A
2.0
3.0
SMAJ85A
100
3.5
2.5
SMAJ188A
V
4.0
V
FM
OSC
(V)
F=1 MHz
T
S
=30 mV
j
=25 °C
CU
3.0
Doc ID 5544 Rev 12
(cm²)
4.5
RMS
1000
5.0
3.5
Figure 7.
Figure 9.
Figure 11. Leakage current versus junction
10000
1.00
0.10
0.01
1000
1.E+03
1.E+02
1.E+01
1.E+00
1.0E-03
100
1.E-01
10
1
Recommended pad layout
PCB FR4, copper thickness = 35 µm
25
I R (nA)
V
1.0E-02
V
RM
R
=V
< 10 V
Junction capacitance versus
reverse applied voltage for
bidirectional types (typical values)
Relative variation of thermal
impedance, junction to ambient,
versus pulse duration
temperature (typical values)
RM
50
1.0E-01
SMAJ5.0CA
10
V
V
V
RM
R
R
(V)
=V
10 V
75
RM
SMAJ12CA
1.0E+00
SMAJ24CA
SMAJ40CA
100
1.0E+01
100
Characteristics
SMAJ85CA
1.0E+02
125
V
OSC
SMAJ188CA
T
F=1 MHz
j
T
(°C)
=30 mV
j
=25 °C
t
P
1.0E+03
(s)
RMS
150
1000
5/10