SA5.0 thru SA170CA
GLASS PASSIVATED JUNCTION TRAN-
SIENT VOLTAGE SUPPRESSOR
CHENG- YI
ELECTRONIC
RATING AND CHARACTERISTICS CURVES
SA5.0 THRU SA170CA
Fig. 1 - PEAK PULSE POWER VS PULSE TIME
PEAK PULSE POWER (P
PP
) OR CURRENT (l
PP
)
DERATING PERCENTAGE %
100
Fig. 2 - PULSE DERATING CURVE
P
PPM
, PEAK PULSE POWER, kW
100
Non-Repetitive
Pulse waveform
Shown in Flgure 3
T
A
=25
0
C
75
10
50
1.0
25
0.1
0.1 s
1.0 s
10 s
100 s
1.0ms
10ms
0
0
25
50
75
100
125
150
175
200
td, PULSE WIDTH,
SEC
T
A
, AMBIENT TEMPERATURE,
0
C
Fig. 3 - PULSE WAVEFORM
150
Fig. 4 - TYPICAL JUNCTION CAPACIT
ANCE
UNIDIRECTIONAL
6,000
4,000
0
TJ=25C
f=1.0MHz
Vsig=50mVp-p
I
PPM
,
PEAK PULSE CURRENT, %
tf=10 se
Peak Value
Ippm
T
A
=25
0
C
Pulse Width (td) is Defined
as the Poitn Where the Peak
Current Decays to 50% of Ipp
2,000
Measursd at
Zero Bias
100
CJ, CAPACITANCE, pF
Half Value-Ipp
2
50
10/1000 sec Waveform
as Defined by R.E.A
e-kt
td
0
1.0
2.0
3.0
4.0
1,000
800
600
400
200
100
80
60
40
20
Measursd at
Stand-Off
Voltage(V
MW
)
0
t, TIME, ms
Pm
(AV)
STEADY STATE POWER DISSIPATION, WATTS
Fig. 5 - STEADY STATE POWER
DERATING CURVE
1.6
1.4
1.2
10
1.0
2.0
10 20
100 200
V(
WM
), REVERSE STAND-OFF VOLT
AGE,
VOLTS
Fig. 6 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
I
FSM
, PEAK FORWARD SURGE CURRENT
AMPERES
200
TJ=TJ max
1.0
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
0
l
=375"(9.5mm)
100
8.3ms Single Half Sine Wave
JEDEC Method
50
40mmx40mmx1mm Cu
(1.58"x1.58"x.040")
150
175
200
T
L
, LEAD TEMPERATURE, C
10
1
2
4
6
8 10
20
40
60 80100
NUMBER OF CYCLES AT 60 Hz
CHENG-YI [ CHENG-YI ELECTRONIC CO., LTD. ]
