SMAJ18A-E3/5A Vishay, SMAJ18A-E3/5A Datasheet - Page 4
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SMAJ18A-E3/5A
Manufacturer Part Number
SMAJ18A-E3/5A
Description
TVS UNIDIR 400W 18V 5% SMA
Manufacturer
Vishay
Series
TransZorb®r
Datasheet
1.SMAJ24-E361.pdf
(6 pages)
Specifications of SMAJ18A-E3/5A
Voltage - Reverse Standoff (typ)
18V
Voltage - Breakdown
20V
Power (watts)
400W
Polarization
Unidirectional
Mounting Type
Surface Mount
Package / Case
DO-214AC, SMA
Reverse Stand-off Voltage Vrwm
18V
Breakdown Voltage Range
20V To 22.1V
Clamping Voltage Vc Max
29.2V
Diode Configuration
Unidirectional
Peak Pulse Current Ippm
13.7A
Diode Case Style
SMA
No. Of
RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
SMAJ5.0 thru SMAJ188CA
Vishay General Semiconductor
Note:
(1) Mounted on minimum recommended pad layout
Note:
(1) Automotive grade AEC Q101 qualified
RATINGS AND CHARACTERISTICS CURVES
(T
www.vishay.com
4
Figure 2. Pulse Power or Current vs. Initial Junction Temperature
THERMAL CHARACTERISTICS (T
PARAMETER
Typical thermal resistance, junction to ambient
Typical thermal resistance, junction to lead
ORDERING INFORMATION (Example)
PREFERRED P/N
SMAJ5.0A-E3/61
SMAJ5.0A-E3/5A
SMAJ5.0AHE3/61
SMAJ5.0AHE3/5A
A
= 25 °C unless otherwise noted)
100
100
10
0.1
75
50
25
0
0.1 µs
1
0
0.2 x 0.2" (5.0 x 5.0 mm)
Figure 1. Peak Pulse Power Rating Curve
Copper Pad Areas
25
SMAJ85 -
SMAJ188
1.0 µs
(1)
(1)
T
50
J
- Initial Temperature (°C)
t
d
10 µs
- Pulse Width (s)
75
UNIT WEIGHT (g)
PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com
100
For technical questions within your region, please contact one of the following:
0.064
0.064
0.064
0.064
Non-Repetitive Pulse
Waveform shown in Fig. 3
T
100 µs
A
= 25 °C
125
SMAJ5.0 -
SMAJ78
150
1.0 ms
175
(1)
PREFERRED PACKAGE CODE
A
= 25 °C unless otherwise noted)
10 ms
200
5A
5A
61
61
10 000
1000
150
100
100
SYMBOL
50
10
0
R
R
0
1
θJA
θJL
BASE QUANTITY
Figure 4. Typical Junction Capacitance
t
d
V
1800
7500
1800
7500
WM
t
r
= 10 µs
Peak Value
I
PPM
Figure 3. Pulse Waveform
1.0
- Reverse Stand-Off Voltage (V)
Bi-Directional
t - Time (ms)
Half Value -
I
VALUE
PPM
10
120
30
13" diameter plastic tape and reel
13" diameter plastic tape and reel
2.0
7" diameter plastic tape and reel
7" diameter plastic tape and reel
10/1000 µs Waveform
as defined by R.E.A.
T
Pulse Width (t
is defined as the Point
where the Peak Current
decays to 50 % of I
J
= 25 °C
I
DELIVERY MODE
PP
2
Document Number: 88390
T
f = 1.0 MHz
V
Measured at
Stand-Off
Voltage V
J
sig
Uni-Directional
3.0
= 25 °C
= 50 mVp-p
d
)
Revision: 29-Oct-08
100
WM
PPM
UNIT
°C/W
°C/W
200
4.0