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
MAXPak ™ Series
MAX-422
HIGH CURRENT TRANSIENT VOLTAGE SUPPRESSOR FEATURES
• UL 1449 Recognition • 4KA Surge Capability @ 8 x 20 µsec waveform (per IEC- 61000-4-5) • Peak Power Dissipation 288KW • Bi-directional • Excellent clamping capability • Repetition rate (duty cycle): 0.05% • Sharp breakdown voltage • Low incremental surge resistance • Fast response time: typically less than 1.0 µs from 0 Volts to BV • Operation temperature: -40°C to +125°C MAX-422
• Epoxy encapsulated package has Underwriters
Laboratory Flammability Classification 94 V-0
MECHANICAL DATA
Terminal: Ag Plated Axial leads, solderable per MIL-STD-750. Method 2026 Mounting Position: Any Weight: 0.328 ± 0.033 ounces (9.300 ± 0.930 g)
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25º C ambient temperature unless otherwise specified.
RATING
Reversed Standoff Voltage Breakdown Voltage @ IT=1.0mA Clamping Voltage @ 506A / 10x1000 µsec waveform Reverse Leakage @ 379.8V
SYMBOL
Vrwm Vbr Vc IR
VALUE
379.8 422 ± 5% 569 max 20 µ max
UNITS
Volt Volt Volt A
08/14/02
MAXPak™ Series Curves
150
IPPM - Peak Pulse Current,% IRSM
tr = 10µsec . Peak Value IPPM 100 Half Value- IPPM 2
TJ = 25°C Pulse Width(td)is defined as the point where the peak current decays to 50% of IPPM
50
10/1000µsec.Waveform as defined by R.E.A.
td
0 0 1.0 2.0
3.0
3.0
4.0
4.0
t - Time(ms)
Fig.3 - Pulse Waveform
10/21/2002
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