1SMA20CAT3 ON Semiconductor, 1SMA20CAT3 Datasheet - Page 2

• Manufacturer Part Number: 1SMA20CAT3
• Description: TVS 400W 20V BIDIRECT SMA
• Manufacturer: ON Semiconductor

Specifications of 1SMA20CAT3

• Voltage - Reverse Standoff (typ): 20V
• Voltage - Breakdown: 22.2V
• Power (watts): 400W
• Polarization: Bidirectional
• Mounting Type: Surface Mount
• Package / Case: DO-214AC, SMA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. 10 X 1000 ms, non-repetitive.
2. 1 in square copper pad, FR-4 board.
3. FR-4 board, using ON Semiconductor minimum recommended footprint, as shown in 403B case outline dimensions spec.
MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(T
Peak Power Dissipation (Note 1)
DC Power Dissipation @ T
Thermal Resistance from Junction-to-Lead
DC Power Dissipation (Note 3) @ T
Thermal Resistance from Junction-to-Ambient
Operating and Storage Temperature Range
Symbol
A
V
@ T
Measured Zero Lead Length (Note 2)
Derate Above 75°C
Derate Above 25°C
V
= 25°C unless otherwise noted)
I
RWM
V
PP
I
I
BR
R
T
C
L
= 25°C, Pulse Width = 1 ms
Maximum Reverse Peak Pulse Current
Clamping Voltage @ I
Working Peak Reverse Voltage
Maximum Reverse Leakage Current @ V
Breakdown Voltage @ I
Test Current
L
= 75°C
Parameter
PP
A
T
= 25°C
Rating
1SMA10CAT3 Series
RWM
http://onsemi.com
2
V
C
V
BR
Symbol
T
Bi-Directional TVS
R
R
J
P
P
P
V
, T
qJA
qJL
PK
D
D
RWM
stg
I
PP
I
I
R
T
I
I
I
I
R
T
PP
-65 to +150
V
RWM
Value
400
250
1.5
0.5
4.0
20
50
V
BR
V
C
V
mW/°C
mW/°C
°C/W
°C/W
Unit
°C
W
W
W