Transient
SA
Series
MERITEK
6
F
EATURES
Plastic ackage.
Glass passivated chip junction.
500W Peak Pulse Power capability on 10/1000µs waveform.
Excellent clamping capability.
Repetition rate (duty cycle): 0.01%.
Low incremental surge resistance.
Fast response time: typically less than 1.0ps from 0
volt
to BV
for
nidirectional and 5.0ns for idirectional types.
UL E223045
i
Typical I
R
less than
1µA above 10V.
High
temperature soldering guaranteed: 265°C/10 seconds/.375",
(9.5mm) lead length, 5lbs, (2.3kg) tension.
(
DO-204AC/DO-15
6
M
ECHANICAL
D
ATA
M
Case:
JEDEC DO-15
Molded plastic over glass passivated junction.
M
Terminals: Plated Axial leads, solderable per MIL-STD-750, Method 2026.
Polarity: Color band denotes cathode except Bidirectional.
Mounting Position: Any.
Weight: 0.015 ounce,
0.4
grams.
D
EVICES
F
OR
B
IPOLAR
A
PPLICATION
For idirectional use C or CA suffix for type
SA5.0
through type
SA220
(e.g.
SA5.0C, SA220CA);
Electrical
characteristics apply in both directions
.
M
AXIMUM
R
ATINGS
A
ND
C
HARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified
.
RATING
Peak Pulse Power Dissipation on 10/1000 s waveform. (Note 1 Fig. 1)
Peak Pulse Current on 10/1000 s waveform. (Note 1 Fig. 3)
Steady State Power Dissipation at T
L
=75
( Fig. 5)
Peak Forward Surge Current 8.3ms Single Half Sine-Wave Superimposed
on Rated Load.
(JEDEC
Method) (Note 2, Fig. 6)
Operating junction and Storage Temperature Range.
Notes:
1. Non-repetitive current pulse, per Fig. 3 and derated above T
A
= 25
Lead length .375” (9.5mm).
SYMBOL
P
PPM
PPM
VALUE
Minimum
500
See Table
3.0
70
-55 to +175
UNIT
Watts
Amps
Watts
P
M(AV)
I
FSM
T
J
, T
STG
per Fig. 2.
Amps
2. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle = 4 pulses per minute maximum.
All specifications are subject to change without notice.
1
Rev 7
Transient
Series
MERITEK
R
ATING AND
C
HARACTERISTIC
C
URVES
(T
A
: 25°C UNLESS OTHERWISE SPECIFIED)
Figure 1 - Peak Pulse Power Rating Curve
30
P
PPM
- Peak Pulse Power (KW)
Figure 2 - Pulse Derating Curve
100
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage, %
Non-repetitive Pulse
Waveform Shown in Fig. 3
TA=25ûC
10
75
Exponential
50
1
P
P
P
Td
Td
Half SINE
25
Td
Square
0.1
01.μs
1.0μs
10μs
100μs
1.0ms
10ms
0
0
25
50
75
100 125 150
175 200
T
A
- Ambient Temperature (ºC)
td- Pulse Width (sec.)
Figure 3 - Pulse Waveform
150
I
PPM
- Peak Pulse Current, % I
RSM
tr=10μsec
Peak Value
IPPM
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Figure 4 - Typical Junction Capacitance
10000
Bi-directional V=0V
1000
Uni-directional @ V
R
Uni-directional V=0V
100
Half Value
IPPM
IPPM
2
Cj (pF)
( )
10/1000μsec. Waveform
as defined by R.E.A
100
Bi-directional @ V
R
50
10
Tj=25C
f=1.0MHz
Vsig=50mVp-p
0
td
0
1.0
2.0
t-Time (ms)
3.0
4.0
1
1.0
10.0
100.0
1000.0
V
BR
- Reverse Breakdown Voltage (V)
Figure 5 - Steady State Power Dissipation Derating Curve
Figure 6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
80
I
FSM
- Peak Forward Surge Current
(A)
70
60
50
40
30
20
10
0
1
10
Number of Cycles at 60 Hz
100
3.5
Steady State Power Dissipation (W)
3
2.5
2
1.5
1
0.5
0
0
25
50
75
100
125
150
175
200
T
L
- Lead Temperature(ºC)
4
Rev 7
微控制器 MCU
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