CHENG-YI SA90

SA5.0 thru SA170CA
GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPRESSOR
CHENG- YI
ELECTRONIC
VOLTAGE 6.8 to 144 VOLTS
400 WATT PEAK POWER
1.0 WATTS STEADY STATE
DO-15
FEATURES
Plastic package has Underwrites Laboratory
Flammability Classification 94V-O
Glass passivated chip junction
500W Peak Pulse Power capability
on 10/1000 s waveform
Excellent clamping capability
Repetition rate (duty cycle):0.01%
Low incremental surge resistance
Fast response time: typically less than 1.0 ps
from 0 volts to BV for unidirctional and 5.0ns
for bidirctional types
Typical ID less than 1 A above 10V
High tempreature soldering guaranteed:
300 0C/10 seconds .375", (9.5mm)
lead length/51bs.,(2.3kg) tension
MECHANICAL DATA
Case:JEDEC DO-15 Molded plastic over passivated junction
Terminals:Plated Axial leads, solderable per MIL-STD-750, Method 2026
Polarity:Color band denotes positive end (cathode) except Bidirectionals types
Mounting Position
Weight:0.015 ounce, 0.4 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 250C ambient temperature unless otherwise specified.
RATINGS
Peak Pulse Power Dissipation on 10/1000
Peak Pulse Current of on 10/1000
s waveform (NOTE 1,2,Fig.1)
s waveform (NOTE 1,Fig.3)
SYMBOL
VALUE
UNITS
PPPM
Minimum 5000
Watts
IPPM
SEE TABLE 1
Amps
PM(AV0
1.0
Watts
IFSM
70.0
Amps
TJ, TSTG
-65 to + 175
0
Steady Power Dissipation at TL=75 C
Lead Lengths .375",(9.5mm)(NOTE 2)
Peak Forward Surge Current, 8.3ms Single Half Sine-Wave Superimposed on Rated Load, unidirrctional only (JEDEC Method)(NOTE 3)
Operating Junction and Storage Temperature Range
Notes: 1. Non-repetitive current pulse, per Fig.3 and derated above TA=250C per Fig.2
2. Measured on copper Leaf area of 1.57 in2 (40mm2) per Figure 5
3. 8.3ms single half sine-wave or equivalent square wave, Duty Cycle=4 pulses per minutes maximum.
0
C
SA5.0 thru SA170CA
GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPRESSOR
CHENG- YI
ELECTRONIC
RATING AND CHARACTERISTICS CURVES
SA5.0 THRU SA170CA
Fig. 2 - PULSE DERATING CURVE
PEAK PULSE POWER (P PP) OR CURRENT (l PP)
DERATING PERCENTAGE %
PPPM, PEAK PULSE POWER, kW
Fig. 1 - PEAK PULSE POWER VS PULSE TIME
100
100
Non-Repetitive
Pulse waveform
Shown in Flgure 3
TA=250C
10
1.0
0.1
0.1 s
1.0 s
10 s
1.0ms
100 s
10ms
td, PULSE WIDTH, SEC
75
50
25
0
0
25
50
75
100
125
175
200
Fig. 4 - TYPICAL JUNCTION CAPACITANCE
UNIDIRECTIONAL
Fig. 3 - PULSE WAVEFORM
6,000
150
0
TJ=25C
f=1.0MHz
Vsig=50mVp-p
4,000
TA=250C
Pulse Width (td) is Defined
as the Poitn Where the Peak
Current Decays to 50% of Ipp
tf=10 se
Peak Value
Ippm
100
2,000
Measursd at
Zero Bias
10/1000 sec Waveform
as Defined by R.E.A
50
e-kt
td
0
0
1.0
2.0
3.0
1,000
800
600
CJ, CAPACITANCE, pF
Half Value-Ipp
2
400
Measursd at
Stand-Off
Voltage(V MW)
200
100
80
60
40
4.0
t, TIME, ms
20
Fig. 5 - STEADY STATE POWER
DERATING CURVE
10
1.0
2.0
10
20
100 200
V(WM), REVERSE STAND-OFF VOLTAGE, VOLTS
1.6
1.4
Fig. 6 - MAXIMUM NON-REPETITIVE
1.2
PEAK FORWARD SURGE CURRENT
1.0
l=375"(9.5mm)
0.8
0.6
0.4
40mmx40mmx1mm Cu
(1.58"x1.58"x.040")
0.2
0
0
25
50
75
100
125
150
TL, LEAD TEMPERATURE, 0C
175
200
IFSM, PEAK FORWARD SURGE CURRENT
AMPERES
Pm (AV) STEADY STATE POWER DISSIPATION, WATTS
IPPM, PEAK PULSE CURRENT, %
150
TA, AMBIENT TEMPERATURE, 0C
200
TJ=TJ max
8.3ms Single Half Sine Wave
JEDEC Method
100
50
10
1
2
4
6
8 10
20
40
NUMBER OF CYCLES AT 60 Hz
60 80100