SMAJ550/1 Vishay, SMAJ550/1 Datasheet - Page 3

• Manufacturer Part Number: SMAJ550/1
• Description: TVS Diodes - Transient Voltage Suppressors 400W 550V 10% Uni
• Manufacturer: Vishay

Specifications of SMAJ550/1

• Polarity: Unidirectional
• Channels: 1 Channel
• Clamping Voltage: 760 V
• Operating Voltage: 495 V
• Breakdown Voltage: 550 V
• Termination Style: SMD/SMT
• Peak Surge Current: 300 A
• Peak Pulse Power Dissipation: 300 W (Min)
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: - 55 C
• Dimensions: 2.79 (Max) mm W x 4.5 (Max) mm L
• Package / Case: DO-214AC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
Document Number: 88391
Revision: 20-Sep-07
150
100
50
0
0
0.049 (1.25)
0.065 (1.65)
0.030 (0.76)
0.060 (1.52)
t
d
t
r
0.090 (2.29)
0.078 (1.98)
= 10 µs
Peak Value
I
PPM
1.0
Figure 3. Pulse Waveform
t - Time (ms)
Half Value -
I
PPM
2.0
10/1000 µs Waveform
DO-214AC (SMA)
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
PP
2
0.208 (5.28)
0.194 (4.93)
0.177 (4.50)
0.157 (3.99)
Cathode Band
3.0
d
0.008 (0.203)
)
0 (0)
PPM
4.0
0.110 (2.79)
0.100 (2.54)
0.012 (0.305)
0.006 (0.152)
0.066 (1.68)
0.060 (1.52)
MIN.
MIN.
Vishay General Semiconductor
Mounting Pad Layout
SMAJ530 & SMAJ550
(5.28) REF.
0.208
0.074 (1.88)
MAX.
www.vishay.com
37