General Semiconductor SAC18, SAC22, SAC50, SAC6.0, SAC7.0 Datasheet
...
SAC5.0 THRU SAC50 SERIES
LOW CAPACITANCE TRANSZORB™ TRANSIENT VOLTAGE SUPPRESSOR
Stand-off Voltage - 5.0 to 50 Volts Peak Pulse Power - 500 Watts
FEATURES
♦ Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
♦ Glass passivated junctions
♦ 500W peak pulse power capability with a 10/1000µs
waveform, repetition rate (duty cycle): 0.01%
♦ Excellent clamping
capability
♦ Low incremental surge resistance
♦ Fast response time: typically less
than 1.0ns from 0 Volts to V
(BR)
♦ Ideal for data line applications
♦ High temperature soldering guaranteed:
265°C/10 seconds, 0.375" (9.5mm) lead length,
5lbs. (2.3 kg) tension
MECHANICAL DATA
Case: JEDEC DO-204AC molded plastic over a passivated
junction
Terminals: Solder plated axial leads, solderable per MILSTD-750, Method 2026
Polarity: Color band denotes positive end (cathode)
Mounting Position: Any
Weight: 0.015 ounce, 0.4 gram
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOL VALUE UNITS
Peak pulse power dissipation with a
10/1000µs waveform
(NOTE 1 )
P
PPM
Minimum 500 Watts
Steady state power dissipation at T
L
=75°C with
lead lengths or 0.375" (9.5mm)
P
M(AV)
3.0 Watts
Peak pulse power surge current with a
10/1000µs waveform
(NOTE 1, FIG. 3)
I
PPM SEE TABLE 1
Amps
Operating junction and
storage temperature range
T
J
, T
STG
-55 to +175 °C
NOTES:
(1) Non-repetitive current pulse, per Fig. 3 and derated above TA=25°C per Fig. 2
1/5/99
0.034 (0.86)
0.028 (0.71)
0.140 (3.6)
0.104 (2.6)
DIA.
DIA.
1.0
MIN.
(25.4)
0.230 (5.8)
0.300 (7.6)
1.0
MIN.
(25.4)
Dimensions in inches
and
(millimeters)
DO-204AC
Schematic
Diode
Transient
Voltage
Suppressor
RATINGS AND CHARACTERISTIC CURVES SAC5.0 THRU SAC50 SERIES
TL, LEAD TEMPERATURE, °C
FIG. 3 - PULSE WAVEFORM
t, TIME, ms
I
PPM,
PEAK PULSE CURRENT, %
PERCENTAGE OF RATED POWER, (%)
PULSE WIDTH (td) is DEFINED
as the POINT WHERE the
PEAK CURRENT DECAYS
to 50% of I
PP
tr=10µsec.
HALF VALUE - I
PP
2
10/1000µsec.
WAVEFORM
AS DEFINED BY R.E.A.
PEAK VALUE
I
PPM
FIG. 2 - POWER DERATING CURVE
FIG. 1 - PEAK PULSE POWER RATING CURVE
P
PPM
, PEAK PULSE POWER, kW
td, PULSE WIDTH, sec.
NON-REPETITIVE
PULSE WAVEFORM
SHOWN in FIG. 3
TA=25°C
IMPULSE
EXPONENTIAL
DECAY
HALF SINE
SQUARE
CURRENT WAVEFORMS
1.0
0.5
td
td
td
td
AVERAGE POWER
PEAK POWER
(SINGLE PULSE)
Minimum Maximum Maximum Maximum Maximum Working Inverse Peak
Stand-off Breakdown Reverse Clamping Peak Pulse Junction Inverse Blocking Inverse
Voltage Voltage Leakage Voltage Current Capacitance Blocking Leakage Blocking
(NOTE 1)
at IT= 1.0mA at V
WM
at IPP=5.0A per FIG. 3 at Voltage Current Voltage
Part V
WM
V
(BR)
I
D
Vc l
PP
0 VOLTS V
WIB
at V
WIB
V
PIB
Number (VOLTS) (VOLTS) (uA) (VOLTS) (AMPS) (pF) (VOLTS) IIB(mA) (VOLTS)
SAC5.0 5.0 7.60 300 10.0 44 50 75 1.0 100
SAC6.0 6.0 7.90 300 11.2 41 50 75 1.0 100
SAC7.0 7.0 8.33 300 12.6 38 50 75 1.0 100
SAC8.0 8.0 8.89 100 13.4 36 50 75 1.0 100
SAC8.5 8.5 9.44 50 14.0 34 50 75 1.0 100
SAC10 10 11.10 5.0 16.3 29 50 75 1.0 100
SAC12 12 13.30 5.0 19.0 25 50 75 1.0 100
SAC15 15 16.70 5.0 23.6 20 50 75 1.0 100
SAC18 18 20.00 5.0 28.8 15 50 75 1.0 100
SAC22 22 24.40 5.0 35.4 14 50 75 1.0 100
SAC26 26 28.90 5.0 42.3 11.1 50 75 1.0 100
SAC30 30 33.30 5.0 48.6 10.0 50 75 1.0 100
SAC36 36 40.00 5.0 60.0 8.6 50 75 1.0 100
SAC45 45 50.00 5.0 77.0 6.8 50 150 1.0 200
SAC50 50 55.50 5.0 88.0 5.8 50 150 1.0 200
ELECTRICAL CHARACTERISTICS at (TA=25°C unless otherwise noted) TABLE 1
FIG. 4 - AC LINE PROTECTION APPLICATION
APPLICATION NOTE: Device must be used with two units in parallel, opposite in
polarity as shown in circuit for AC signal line protection
LOW CAPACITANCE
TRANSIENT VOLTAGE
SUPPRESSOR
100
10
100
75
1.0
0.1
0.1
µ
s
150
100
50
0
0
1.0
1.0
µ
s
µ
s
10
2.0
3.0
100
50
25
µ
s
1.0ms
10ms
0
0
50
100
150
4.0
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