SA28A ON Semiconductor, SA28A Datasheet - Page 2

• Manufacturer Part Number: SA28A
• Description: TVS ZENER UNIDIR 500W 28V AXIAL
• Manufacturer: ON Semiconductor
• Series: MiniMosorb™r

Specifications of SA28A

• Voltage - Reverse Standoff (typ): 28V
• Voltage - Breakdown: 31.1V
• Power (watts): 500W
• Polarization: Unidirectional
• Mounting Type: Through Hole
• Package / Case: Axial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: SA28AOS

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. Nonrepetitive current pulse per Figure 4 and derated above T
2. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute.
ELECTRICAL CHARACTERISTICS
otherwise noted, V
MAXIMUM RATINGS
Symbol
Peak Power Dissipation (Note 1) @ T
Steady State Power Dissipation @ T
Derated above T
Thermal Resistance, Junction-to-Lead
Forward Surge Current (Note 2) @ T
Operating and Storage Temperature Range
V
QV
V
I
V
RWM
V
PP
I
I
I
BR
R
T
F
C
F
BR
Maximum Reverse Peak Pulse Current
Clamping Voltage @ I
Working Peak Reverse Voltage
Maximum Reverse Leakage Current @ V
Breakdown Voltage @ I
Test Current
Maximum Temperature Variation of V
Forward Current
Forward Voltage @ I
L
F
= 75°C
= 3.5 V Max. @ I
F
Parameter
PP
T
F
L
A
L
(Note 6) = 35 A)
≤ 75°C, Lead Length = 3/8 in
= 25°C
≤ 25°C
Rating
(T
A
= 25°C unless
BR
RWM
http://onsemi.com
SA5.0A Series
A
= 25°C per Figure NO TAG.
2
V
C
V
BR
V
RWM
Symbol
T
Uni-Directional TVS
R
I
J
P
FSM
P
, T
qJL
PK
D
stg
I
F
I
I
I
I
R
T
PP
V
- 55 to +175
F
Value
33.3
500
3.0
30
70
V
mW/°C
°C/W
Unit
°C
W
W
A