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1.5KA12A Datasheet PDF

1.5KA12A
General Semiconductor

Part Number 1.5KA12A
Description AUTOMOTIVE TRANSIENT VOLTAGE SUPPRESSOR
Page 4 Pages
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1.5KA6.8 THRU 1.5KA43A
AUTOMOTIVE TRANSIENT VOLTAGE SUPPRESSOR
Breakdown Voltage - 6.8 to 43 Volts Peak Pulse Power - 1500 Watts
Case Style 1.5KA
0.210 (5.3)
0.190 (4.8)
DIA.
1.0 (25.4)
MIN.
0.375 (9.5)
0.285 (7.2)
0.042 (1.07)
0.038 (0.96)
DIA.
1.0 (25.4)
MIN.
Dimensions in inches and (millimeters)
*Patent #’s 4,980,315
5,166,769
5,278,094
Available in uni-directional only
FEATURES
Designed for under the hood applications
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
1500W peak pulse power surge capability with a
10/1000µs waveform, repetition rate (duty cycle): 0.01%
Exclusive patented PAR™ oxide passivated
chip construction
Excellent clamping capability
Low incremental surge resistance
Fast response time: typically less
than 1.0 ps from 0 Volts to V(BR) for uni-directional
For devices with V(BR)10V ID are typically less than
1.0µA at TA=150°C
High temperature soldering guaranteed:
300°C/10 seconds, 0.375" (9.5mm) lead length,
5lbs. (2.3 kg) tension
MECHANICAL DATA
Case: Molded plastic over passivated junction
Terminals: Solder plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denotes positive end (cathode)
Mounting Position: Any
Weight: 0.045 ounce, 1.2 grams
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 at TA=25°C with a 10/1000µs waveform
(NOTE 1, FIG. 3)
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
(JEDEC Method) (NOTE 3)
Maximum instantaneous forward voltage at 100A (NOTE 3)
Operating junction and storage temperature range
SYMBOL
PPPM
IPPM
PM(AV)
IFSM
VF
TJ, TSTG
VALUE
Minimum 1500
SEE TABLE 1
5.0
200
3.5
-65 to +185
UNITS
Watts
Amps
Watts
Amps
Volts
°C
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 0.8 x 0.8” (20 x 20mm) per Fig. 5
(3) 8.3ms single half sine-wave or equivalent square wave, duty cycle=4 pulses per minutes maximum
1/27/99

















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