P6KE400ARL ,Transil™, transient voltage surge suppressor (TVS)Features■ Peak pulse power: 600 W (10/1000 µs )■ Stand-off voltage range 6.8 to 440 V■ Unidirection ..
P6KE400ARL ,Transil™, transient voltage surge suppressor (TVS)Absolute maximum ratings (T = 25 °C)ambSymbol Parameter Value Unit(1)P Peak pulse power dissipation ..
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P6KE400ARL-P6KE440ARL
Transil™, transient voltage surge suppressor (TVS)
April 2012 Doc ID 3068 Rev 7 1/9
P6KE ransil™, transient voltage surge suppressor (TVS)
Datasheet − production data
Features Peak pulse power: 600 W (10/1000 µs ) Stand-off voltage range 6.8 to 440 V Unidirectional and bidirectional types Low clamping factor Fast response time UL recognized
Complies with the following standards IEC 61000-4-2 level 4 15 kV (air discharge) 8 kV (contact discharge) MIL STD 883G, method 3015-7 Class 3 HBM (human body model)
DescriptionTransil diodes provide high overvoltage protection
by clamping action. Their instantaneous response
to transient overvoltages makes them particularly
suited to protect voltage sensitive devices such as
MOS Technology and low voltage supplied IC’s.
TM:Transil is a trademarks of STMicroelectronics.
Characteristics P6KE2/9 Doc ID 3068 Rev 7
1 Characteristics
Figure 1. Electrical characteristics - definitions
Figure 2. Pulse definition for electrical characteristics
Table 1. Absolute maximum ratings (Tamb = 25 °C) For a surge greater than the maximum values, the diode will fail in short-circuit.
Table 2. Thermal resistances
P6KE CharacteristicsDoc ID 3068 Rev 7 3/9
Table 3. Electrical characteristics - values (Tamb = 25 °C) For bidirectional types having VRM ≤ 10V, IRM is multiplied by 2 Pulse test: tp < 50 ms. ΔVBR = αT * (Tamb - 25) * VBR(25°C). VR = 0 V, F = 1 MHz. For bidirectional types, capacitance value is divided by 2.
Characteristics P6KE4/9 Doc ID 3068 Rev 7
Figure 3. Peak power dissipation vs. initial
junction temperature
(printed circuit board)
Figure 4. Peak pulse power vs. exponential
pulse duration.
Figure 5. Clamping voltage vs. peak pulse
current(1) Figure 6. Capacitance vs. reverse applied
voltage for unidirectional types
(typical values). The curves in Figure 5 are specified for a junction temperature of 25°C before surge. The given results may be
extrapolated for other junction temperatures by using the following formula : ΔVBR = αT x [Tamb -25] x VBR(25°C)
For intermediate voltages, extrapolate the given results.
Figure 7. Capacitance vs. reverse applied
voltage for bidirectional types
(typical values).
Figure 8. Peak forward voltage drop vs. peak
forward current for unidirectional
types (typical value).(1) Multiply by 2 for units with VBR > 220 V.
P6KE CharacteristicsDoc ID 3068 Rev 7 5/9
Figure 9. Transient thermal impedance
junction to ambient vs. pulse
duration
Figure 10. Relative variation of leakage
current vs. junction temperature
Ordering information scheme P6KE6/9 Doc ID 3068 Rev 7
Ordering information scheme
Figure 11. Ordering information scheme
3 Package information Epoxy meets UL94, V0 Lead-free package
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOP ACK®
specifications, grade definitions and product status are available at: .
ECOPACK® is an ST trademark.
Table 4. DO-15 dimensions
