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SMAJ30CA Datasheet

Transil

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SMAJ
Transil™
Features
Peak pulse power:
– 400 W (10/1000 µs)
– 2.3 kW (8/20 μs)
Stand off voltage range: from 5 V to 188 V
Unidirectional and bidirectional types
Low leakage current:
– 0.2 μA at 25 °C
– 1 μA at 85 °C
Operating Tj max: 150 °C
High power capability at Tj max:
– 270 W (10/1000 µs)
JEDEC registered package outline
Complies with the following standards
IEC 61000-4-2 level 4
– 15 kV (air discharge)
– 8 kV (contact discharge)
IEC 61000-4-5 (see Table 3 for surge level)
MIL STD 883G, method 3015-7 Class 3B
– 25 kV HBM (human body model)
Resin meets UL 94, V0
MIL-STD-750, method 2026 solderability
EIA STD RS-481 and IEC 60286-3 packing
IPC 7531 footprint
A
K
Unidirectional
Bidirectional
SMA
(JEDEC DO-214AC)
Description
The SMAJ Transil series has been designed to
protect sensitive equipment against electrostatic
discharges according to IEC 61000-4-2, and
MIL STD 883, method 3015, and electrical over
stress according to IEC 61000-4-4 and 5. These
devices are generally used against surges below
400 W (10/1000 μs).
Planar technology makes these devices suitable
for high-end equipment and SMPS where low
leakage current and high junction temperature are
required to provide reliability and stability over
time.
SMAJ are packaged in SMA (SMA footprint in
accordance with IPC 7531 standard).
July 2010
TM: Transil is a trademark of STMicroelectronics
Doc ID 5544 Rev 12
1/10
www.st.com
10


STMicroelectronics Electronic Components Datasheet

SMAJ30CA Datasheet

Transil

No Preview Available !

Characteristics
1 Characteristics
SMAJ
Table 1.
Symbol
Absolute maximum ratings (Tamb = 25 °C)
Parameter
PPP Peak pulse power dissipation (1)
Tstg Storage temperature range
Tj Operating junction temperature range
TL Maximum lead temperature for soldering during 10 s.
Tj initial = Tamb
1. For a surge greater than the maximum values, the diode will fail in short-circuit.
Value
400
-65 to +150
-55 to +150
260
Unit
W
°C
°C
°C
Table 2. Thermal resistances
Symbol
Parameter
Rth(j-l) Junction to leads
Rth(j-a) Junction to ambient on printed circuit on recommended pad layout
Value
30
120
Unit
°C/W
°C/W
Figure 1. Electrical characteristics - definitions
II
Symbol Parameter
VRM Stand-off voltage
Unidirectional IF
IPP
VBR Breakdown voltage
VCL Clamping voltage
IRM Leakage current @ VRM
VCLVBR VRM
VF
V
VCLVBR VRM
IR
IRM
V
IPP Peak pulse current
αT Voltage temperature coefficient
IRM
IR
IRM VRMVBR VCL
IR
VF Forward voltage drop
RD Dynamic resistance
IPP
Bidirectional
IPP
Figure 2. Pulse definition for electrical characteristics
Repetitive pulse current
tr = rise time (µs)
tp = pulse duration time (µs)
tr tp
2/10 Doc ID 5544 Rev 12


Part Number SMAJ30CA
Description Transil
Maker STMicroelectronics
Total Page 10 Pages
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