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What is SA170?

This electronic component, produced by the manufacturer "General Semiconductor", performs the same function as "TRANSZORB TRANSIENT VOLTAGE SUPPRESSOR".


SA170 Datasheet PDF - General Semiconductor

Part Number SA170
Description TRANSZORB TRANSIENT VOLTAGE SUPPRESSOR
Manufacturers General Semiconductor 
Logo General Semiconductor Logo 


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SA5.0 THRU SA170CA
TRANSZORB™ TRANSIENT VOLTAGE SUPPRESSOR
Stand-off Voltage - 5.0 to 170 Volts Peak Pulse Power - 500 Watts
DO-204AC
1.0
(25.4)
MIN.
0.034 (0.86)
0.028 (0.71)
DIA.
0.300 (7.6)
0.230 (5.8)
1.0
(25.4)
MIN.
0.140 (3.6)
0.104 (2.6)
DIA.
Dimensions in inches and (millimeters)
FEATURES
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
Glass passivated junction
500W peak pulse power surge 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 1.0ps from 0 Volts to V(BR) for uni-directional and
5.0ns for bi-directional types
For devices with V(BR)10V, ID are typically less than
1.0µA
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 body over
passivated junction
Terminals: Solder plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: For uni-directional types the color band denotes
the cathode, which is positive with respect to the anode
under normal TVS operation
Mounting Position: Any
Weight: 0.015 ounce, 0.4 gram
DEVICES FOR BIDIRECTIONAL APPLICATIONS
For bi-directional use C or CA Suffix. (e.g. SA5.0C, SA170CA).
Electrical characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified
Peak pulse power dissipation with a 10/1000µs waveform
(NOTE 1, FIG. 1)
Peak pulse current with a 10/1000µs waveform
(NOTE 1)
Steady state power dissipation at TL=75°C
lead lengths 0.375" (9.5mm) (NOTE 2)
Peak forward surge current, 8.3ms single half
sine-wave superimposed on rated load, unidirectional only
(JEDEC Method) (NOTE 3)
Maximum instantaneous forward voltage at 35A for
unidirectional only
Operating junction and storage temperature range
NOTES
(1) Non-repetitive current pulse, per Fig. 3 and derated above TA=25°C per Fig. 2
(2) Mounted on copper pad area of 1.6 x 1.6” (40 x 40mm) per Fig. 5
(3) 8.3ms single half sine-wave or equivalent square wave, duty cycle=4 pulses per minute maximum
SYMBOL
PPPM
IPPM
PM(AV)
IFSM
VF
TJ, TSTG
VALUE
Minimum 500
SEE TABLE 1
3.0
70
3.5
-55 to +175
UNITS
Watts
Amps
Watts
Amps
Volts
°C
1/25/99

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SA170 equivalent
RATINGS AND CHARACTERISTIC CURVES SA5.0 THRU SA170CA
FIG. 7 - INCREMENTAL CLAMPING VOLTAGE CURVE
100
WAVEFORM:
8 X 20 IMPULSE
VC=VC-V(BR)
UNIDIRECTIONAL
SA170
SA110
SA70
SA54
SA40
10
SA30
SA24
SA18
SA15
1.0 SA12
SA5.0
SA9.0
0.1
0.5
1 10
IPP, PEAK PULSE CURRENT, AMPS
50
FIG. 9 - INCREMENTAL CLAMPING VOLTAGE CURVE
BIDIRECTIONAL
100
WAVEFORM:
8 X 20 IMPULSE
VC=VC-V(BR)
SA170C
SA110C
SA70C
SA60C
10
SA40C
SA30C
SA24C
SA15C
SA9.0C
1.0 SA6.5C
FIG. 8 - INCREMENTAL CLAMPING VOLTAGE CURVE
100
UNIDIRECTIONAL
SA170
WAVEFORM:
10 X 1000 IMPULSE
VC=VC-V(BR)
SA110
SA70
10 SA40
SA24
SA15
1.0 SA9.0
SA5.0
0.1
0.5
1 10
IPP, PEAK PULSE CURRENT, AMPS
50
FIG. 10 - INCREMENTAL CLAMPING VOLTAGE CURVE
100
BIDIRECTIONAL
SA170C
WAVEFORM:
10 X 1000 IMPULSE
VC=VC-V(BR)
SA110C
SA70C
10
SA40C
SA24C
SA15C
SA9.0C
1.0 SA6.5C
0.1
0.5
1 10
IPP, PEAK PULSE CURRENT, AMPS
50
0.1
0.5
1 10
IPP, PEAK PULSE CURRENT, AMPS
50


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