MDE Semiconductor, Inc.
78-150 Calle Tampico, Unit 210 La Quinta, CA. U.S.A. 92253 Tel: 760-564-8656 • Fax: 760-564-2414
20KW SERIES
PRELIMINARY
GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPRESSOR
VOLTAGE-20.0 TO 300 Volts
20000 Watt Peak Pulse Power
FEATURES
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• Glass passivated junction
• 20000W Peak Pulse Power
capability on 10/1000 µs waveform
• Excellent clamping capability
• Repetition rate (duty cycle):0.05%
• Low incremental surge resistance
• Fast response time: typically less
than 1.0 ps from 0 volts to BV
• Typical Id less than 1µA above 10V
• High temperature soldering guaranteed:
265°C/10 seconds/.375", (9.5mm) lead
length, 5lbs., (2.3kg) tension
P-600
1.0(25.4) MIN
.360(9.1)
.340(8.6)
DIA
.360(9.1)
.340(8.6)
.052(1.3)
.048(1.2)
DIA
1.0(25.4) MIN
MECHANICAL DATA
Case:Molded plastic over glass passivated junction
Terminals: Plated Axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denoted positive end (cathode)
except Bipolar
Mounting Position: Any
Weight: 0.07 ounce, 2.1 gram
Dimensions in inches (milimeters)
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use C or CA Suffix for types 20KW30 thru types 20KW288
Electrical characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
RATING
SYMBOL
VALUE
Peak Pulse Power Dissipation on 10/1000 µs
Pppm
Minimum 20000
waveform (NOTE 1)
Peak Pulse Current of on 10-1000 µs waveform
Ippm
SEE TABLE 1
(NOTE 1)
Steady State Power Dissipation at Tl=75 °C
Pm(AV)
8.0
Lead Lengths.375", (9.5mm)(NOTE 2)
Peak Forward Surge Current, 8.3ms Sine-Wave
Superimposed on Rated Load, (JEDEC Method)
IFSM
400.0
(NOTE 3)
Operatings and Storage Temperature Range
Tj, Tstg
-55 to +175
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 0.8x0.8" (20x20mm) per Fig.5.
3.8.3ms single half sine-wave, or equivalent square wave, Duty cycle=4 pulses per
minutes maximum.
UNITS
Watts
Amps
Watts
Amps
°C
6/12/01
MDE Semiconductor, Inc.
78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel: 760-564-8656 • Fax: 760-564-2414
1-800-831-4881 Email: sales@mdesemiconductor.com Web: www.mdesemiconductor.com
RATINGS AND CHARACTISTIC CURVES 20KW / 30KW SERIES
Pppm - Peak Pulse Power - Kilowatts
100
30KW
10
20KW
1
0.1
0.1
1
10
100
1000
10000
100000
t d - Pulse Duration - µsec
FIG. 1 PEAK PULSE POWER RATING CURVE
Ippm - Peak Pulse Current - % of Ipp
100
t = 10µs
f
Peak Value Ippm
Ta=25°C
Pulse Width (td) is Defined
as the Point Where the Peak
Current Decays to 50% of Ipp
Half Value Ipp/2
50
td
0
0
1
t - Time - ms
2
3
10/1000µsec Waveform
as Defined by R.E.A.
FIG. 2 PULSE WAVE FORM
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