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SAC5.0 THRU SAC50 SERIES
LOW CAPACITANCE TRANSZORBTM TRANSIENT VOLTAGE SUPPRESSOR
Stand-off Voltage - 5.0 to 50 Volts
Schematic DO-204AC
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 10/1000s 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: 265C/10 seconds, 0.375" (9.5mm) lead length, 5lbs. (2.3 kg) tension
Transient Voltage Suppressor
1.0 (25.4) MIN.
0.034 (0.86) 0.028 (0.71) DIA.
Diode
0.300 (7.6) 0.230 (5.8)
0.140 (3.6) 0.104 (2.6) DIA. 1.0 (25.4) MIN.
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
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
SYMBOL
VALUE
UNITS
Peak pulse power dissipation with a 10/1000s waveform (NOTE 1 ) Steady state power dissipation at TL=75C with lead lengths or 0.375" (9.5mm) Peak pulse power surge current with a 10/1000s waveform (NOTE 1, FIG. 3) Operating junction and storage temperature range
PPPM PM(AV) IPPM TJ, TSTG
Minimum 500 3.0
SEE TABLE 1
Watts Watts Amps C
-55 to +175
NOTES: (1) Non-repetitive current pulse, per Fig. 3 and derated above TA=25C per Fig. 2
1/5/99
ELECTRICAL CHARACTERISTICS at (TA=25C unless otherwise noted) TABLE 1
Minimum Breakdown Voltage at IT = 1.0mA V(BR) (VOLTS) Maximum Reverse Leakage at VWM ID (uA) Maximum Clamping Voltage at IPP=5.0A Vc (VOLTS) Maximum Peak Pulse Current per FIG. 3 lPP (AMPS) Maximum Junction Capacitance at 0 VOLTS (pF) Working Inverse Blocking Voltage VWIB (VOLTS) Inverse Blocking Leakage Current at VWIB IIB (mA) Peak Inverse Blocking Voltage VPIB (VOLTS)
Stand-off Voltage
(NOTE 1)
Part Number
VWM (VOLTS)
SAC5.0 SAC6.0 SAC7.0 SAC8.0 SAC8.5 SAC10 SAC12 SAC15 SAC18 SAC22 SAC26 SAC30 SAC36 SAC45 SAC50
5.0 6.0 7.0 8.0 8.5 10 12 15 18 22 26 30 36 45 50
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
300 300 300 100 50 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0
10.0 11.2 12.6 13.4 14.0 16.3 19.0 23.6 28.8 35.4 42.3 48.6 60.0 77.0 88.0
44 41 38 36 34 29 25 20 15 14 11.1 10.0 8.6 6.8 5.8
50 50 50 50 50 50 50 50 50 50 50 50 50 50 50
75 75 75 75 75 75 75 75 75 75 75 75 75 150 150
1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
100 100 100 100 100 100 100 100 100 100 100 100 100 200 200
RATINGS AND CHARACTERISTIC CURVES SAC5.0 THRU SAC50 SERIES
FIG. 1 - PEAK PULSE POWER RATING CURVE
100
PERCENTAGE OF RATED POWER, (%)
NON-REPETITIVE PULSE WAVEFORM SHOWN in FIG. 3 TA=25C
FIG. 2 - POWER DERATING CURVE
100
AVERAGE POWER
PPPM, PEAK PULSE POWER, kW
10
75 PEAK POWER
(SINGLE PULSE)
1.0 0.5 td
IMPULSE EXPONENTIAL DECAY
50
1.0
td
HALF SINE
25
td
SQUARE
CURRENT WAVEFORMS
0.1 0.1s
1.0s
10s
100s
1.0ms
10ms
0
0
50
100
150
td, PULSE WIDTH, sec.
TL, LEAD TEMPERATURE, C
FIG. 3 - PULSE WAVEFORM
FIG. 4 - AC LINE PROTECTION APPLICATION
150
tr=10sec. PULSE WIDTH (td) is DEFINED as the POINT WHERE the PEAK CURRENT DECAYS to 50% of IPP
IPPM, PEAK PULSE CURRENT, %
100
PEAK VALUE IPPM
LOW CAPACITANCE TRANSIENT VOLTAGE SUPPRESSOR
HALF VALUE - IPP 2
50
10/1000sec. WAVEFORM AS DEFINED BY R.E.A.
APPLICATION NOTE: Device must be used with two units in parallel, opposite in polarity as shown in circuit for AC signal line protection
td
0
0
1.0
2.0
t, TIME, ms
3.0
4.0

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