SAC 5.0 thru SAC 50
Low Capacitance Tranient Voltage Suppressor
Peak Pulse Power
500 Watts
Sand-off Voltage
5.0 to 50 Volts
Feature:
* Plastic package has underwriters laboratory
Flammability classification 94V- 0.
* Glass passivated junction.
* 500w peak pulse power capability with a 10/100 us waveform
Repetition rate(duty cycle):0.01 %.
* Excellent clamping capability.
* Low incremental surge resistance.
* Fast response time: t
_
1.0 ns @ 0 V to V
(BR)
(typ).
* Ideal for data line applications.
* High temperature soldering guaranteed: 265 C/10sec, 0.375"(9.5mm)
lead length, 51bs, (2.3kg)tension.
Mechanical Data:
* Case: JEDEC DO-15 molded plastic over a passivated junction.
* Terminal: Solder plated axial leads solderable per.
MIL-STD-750, method 2026
* Polarity: Color band denotes positive end (cathode).
* Mounting position: Any.
* Weight: 0.015 Ounce, 0.4 gram.
DO-15 Outline Dimensions
Dim
DO-15
Min
25.4
WEITRON
http://www.weitron.com.tw
_
DO-15
(DO-204AC)
Schematic
Diode
TVS
Unit: mm
Axial Device
A
Max
-
Min
5.8
B
Max
7.6
Min
0.71
C
Max
0.86
Min
2.6
D
Max
3.6
SAC 5.0 thru SAC 50
Maximum Rating(T
A
=25 C Unless otherwise noted)
Characteristic
Peak Pulse Power Disspation with a 10/1000 us waveform
(1)
Steady State Power Disspation at TL=75 C with lead lenghts
or 0.375"(9.5mm)
Peak Pulse Power Surge Current with a 10/1000 us
waveform
(1)
FIG3.
Operation Junction and Storage Temperature Range
Note:
1. Non-repetitive current pulse, per FIG3. and derated above TA= 25 C per FIG2.
Symbol
P
PPM
P
M(AV)
I
PPM
TJ ,TSTG
Value
Minimum
500
3
See Table 1
-55 to + 175
Units
W
W
A
C
Electrical Characteristics(T
A
=25 C Unless otherwise noted)
MAXIMUM
BREAKDOWN
PART STANDOFF VOLTAGE
NUMBER VOLTAGE AT I
T
=1.0mA
V(BR)
V
WM
(V)
(V)
SAC5.0
SAC6.0
SAC7.0
SAC8.0
SAC8.5
SAC10
SAC12
SAC15
SAC18
SAC22
SAC26
SAC30
SAC36
SAC45
SAC50
5.00
6.00
7.00
8.00
8.50
10.00
12.00
15.00
18.00
22.00
26.00
30.00
36.00
45.00
51.00
7.60
7.90
8.33
8.89
9.44
11.10
13.30
16.70
20.00
24.40
28.90
33.30
40.00
50.00
55.50
MAXIMUM MAXIMUM MAXIMUM MAXIMUM WORKING
PEAK
INVERSE
REVERSE CLAMPING
JUNCTION
LEAKAGE VOLTAGE PULSE CAPACITANCE BLOCKING
CURRENT AT 0 VOLTS VOLTAGE
AT
AT V
WM
Ipp=5.0A PER FIG.3
V
WIB
I
R
(µA)
(pF)
Ipp (A)
(V)
Vc (V)
300
10.0
44.0
75
50
11.2
41.0
75
300
50
12.6
38.0
75
300
50
13.4
36.0
75
100
50
14.0
34.0
75
50
50
16.3
29.0
75
5
50
19.0
25.0
75
5
50
23.6
20.0
75
5
50
28.8
15.0
75
5
50
35.4
14.0
75
5
50
42.3
11.1
75
5
50
48.6
10.0
75
5
50
60.0
8.6
75
5
50
77.0
6.8
150
5
50
88.0
5.8
150
5
50
PEAK
INVERSE
INVERSE
BLOCKING
LEAKAGE BLOCKING
CURRENT VOLTAGE
V
PIB
V
WIB
(V)
I
IB
(mA)
1.0
100
1.0
100
1.0
100
100
1.0
1.0
100
1.0
100
1.0
100
1.0
100
1.0
100
100
1.0
1.0
100
100
1.0
1.0
100
1.0
200
1.0
200
WEITRON
http://www.weitron.com.tw
SAC 5.0 thru SAC 50
FIG.1- PEAK PULSE POWER RATING CURVE
Percenatage of Rated Power(100%)
FIG.2- PULSE DERATING CURVE
100
P
PPM
,Peak Pulse Power(kw)
30
Non-repetitive Pulse
Waveform shown in Fig.3
T
A
=25
0
C
Average Power
75
10
Impulse
Exponential
Decay
Peak Power
(single pulse)
50
P
PK".
5"
td
1.0
P
PK
td
Half Sine
td=7tp
25
P
PK
Square
td
CurrentWaveform
0.1
0.1 s
1.0 s
10 s
100 s
0
1.0ms
10ms
0
50
100
150
175
tp, Pulse Width, (sec.)
T
L
, Lead Temperature( C)
FIG. 4 - AC Line Protection Application
I
PPM
, Peak Pulse Current, % I
PSM
FIG.3- PULSE WAVEFORM
150
tr=10 sec.
100
Peak Value
l
PPM
T
j
=25
0
C
Pulse Width (td)
is defined sa the point
where the peak current
decays to 50% of l
PPM
HALF VALUE - IPP
l
PPM
2
Low Capacitance
TVS
50
10/1000 sec. Waveform
as defined by R.E.A.
td
0
0
1.0
2.0
3.0
4.0
t-Time(ms)
Application Note
:
signal line protection
Device must be used with two units
in parallel,opposite in polarity as shown in circuit for AC
WEITRON
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