SMAJ12A-TR STMicroelectronics, SMAJ12A-TR Datasheet - Page 2

• Manufacturer Part Number: SMAJ12A-TR
• Description: TRANSIL 400W 12V UNIDIR SMA
• Manufacturer: STMicroelectronics
• Series: TRANSIL™r

Specifications of SMAJ12A-TR

• Voltage - Reverse Standoff (typ): 12V
• Voltage - Breakdown: 13.3V
• Power (watts): 400W
• Polarization: Unidirectional
• Mounting Type: Surface Mount
• Package / Case: DO-214AC, SMA
• Polarity: Unidirectional
• Clamping Voltage: 25.3 V
• Operating Voltage: 12 V
• Breakdown Voltage: 14 V
• Termination Style: SMD/SMT
• Peak Surge Current: 1 mA
• Peak Pulse Power Dissipation: 400 W
• Capacitance: 1325 pF
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: - 55 C
• Dimensions: 5.35 mm W x 4.6 mm L x 2.45 mm H
• Power Dissipation Pd: 400W
• Clamping Voltage Vc Max: 19.9V
• Diode Case Style: DO-214AC
• No. Of Pins: 2
• Breakdown Voltage Range: 13.3V To 14V
• Clamping Voltage 8/20us Max: 25.3V
• Diode Configuration: Unidirectional
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6503-2; SMAJ12A-TR

Characteristics
1
Table 1.
1. For a surge greater than the maximum values, the diode will fail in short-circuit.
Table 2.
Figure 1.
Figure 2.
2/10
Symbol
Symbol
R
R
P
T
th(j-a)
T
th(j-l)
stg
T
PP
L
j
Symbol Parameter
V
V
V
I
I
V
R
RM
PP
RM
BR
CL
T
F
D
Peak pulse power dissipation
Storage temperature range
Operating junction temperature range
Maximum lead temperature for soldering during 10 s.
Junction to leads
Junction to ambient on printed circuit on recommended pad layout
Absolute maximum ratings (T
Thermal resistances
Characteristics
Electrical characteristics - definitions
Pulse definition for electrical characteristics
Stand-off voltage
Breakdown voltage
Clamping voltage
Leakage current @ V
Peak pulse current
Voltage temperature coefficient
Forward voltage drop
Dynamic resistance
RM
(1)
Parameter
Parameter
Doc ID 5544 Rev 12
t r
amb
V
V
Unidirectional
CL
CL
V
V
= 25 °C)
BR
BR
t p
Repetitive pulse current
t r = rise time (µs)
t p = pulse duration time (µs)
V
V
RM
RM
I
I
F
F
I
I
I
I
I
I
RM
RM
I
I
PP
PP
R
R
V
V
F
F
T
j
initial = T
V
V
V
V
CL
CL
amb
V
V
BR
BR
V
V
RM
RM
I
I
I
I
I
I
RM
RM
PP
PP
R
R
I
I
-65 to +150
-55 to +150
I
I
I
I
RM
RM
I
I
PP
PP
Value
R
R
Value
400
260
120
30
V
V
Bidirectional
RM
RM
V
V
BR
BR
V
V
CL
CL
V
V
°C/W
°C/W
SMAJ
Unit
Unit
°C
°C
°C
W