
78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel : 760-564-8656 • Fax : 760-564-2414
• 10KA Surge Capability @ 8 x 20 µsec waveform
(per IEC- 61000-4-5)
• UL 1449 Pending
• Peak Power Dissipation 324KW
• 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
MDE Semiconductor, Inc.
1-800-831-4881 Email: sales@mdesemiconductor.com Web: www.mdesemiconductor.com
MAXPak ™ Series
MAX-225
HIGH CURRENT TRANSIENT VOLTAGE SUPPRESSOR
FEATURES
0.69+-0.035
(18.12+-0.9)
0.54 Max
(12.45 Max)
0.049±.0019
(1.25±0.05)
MAX-225
0.885±0.044
(22.47±1.12)
0.934±0.046
(23.722±1.16)
0.29 Max
(7.35 Max)
0.787 Min
(20.0 Min)
• Epoxy encapsulated package has Underwriters
Laboratory Flammability Classification 94 V-0
MECHANICAL DATA
Dimensions in inches
and
(Millimeters)
Terminal: Ag Plated Axial leads, solderable per
MIL-STD-750. Method 2026
Mounting Position: Any
Weight: 0.408 ± 0.040 ounces (11.300 ± 1.130g)
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25º C ambient temperature unless otherwise specified.
RATING SYMBOL VALUE UNITS
Reversed Standoff Voltage Vrwm 202.5 Volt
Breakdown Voltage @ IT=1.0mA Vbr 225 ± 5% Volt
Clamping Voltage @ 1090A / 10x1000 µsec waveform Vc 297 max Volt
Reverse Leakage @ 202.5V IR 20 µ max A
08/14/02

MAXPak™ Series Curves
RSM
- Peak Pulse Current,% I
PPM
I
150
100
tr = 10µsec.
Peak Value
I
PPM
Half Value- I
2
50
PPM
TJ = 25°C
Pulse Width(td)is defined
as the point where the
peak current decays to
50% of I
PPM
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