Transil diodes providehigh overvoltage protection
by clampingaction. 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.
1.5KE6V8CA/440CA
TRANSIL
CB429
TM
ABSOLUTE MAXIMUM RATINGS (T
amb
=25°C)
SymbolParameterValueUnit
P
PP
PPower dissipation on infinite heatsinkT
I
FSM
T
stg
T
j
T
L
Peak pulse power dissipation (see note 1)Tj initial = T
=75°C5W
amb
Non repetitive surge peak forward current
for unidirectional types
tp = 10ms
Tj initial = T
Storage temperature range
Maximum junction temperature
Maximum lead temperature for soldering during 10s at 5mm
amb
amb
1500W
200A
- 65 to + 175
175
230°C
from case
Note 1 : For a surge greater than the maximum values, the diode will fail in short-circuit.
THERMAL RESISTANCES
SymbolParameterValueUnit
R
R
th (j-l)
th (j-a)
Junction to leads
Junction to ambient on printed circuit.L
Fig. 2 : Peak pulse power versus exponential pulse duration.
Fig. 3 :Clamping voltage versus peak pulse current.
Exponential waveform: tp=20µs________
tp= 1 ms——————-
tp= 10 ms ...............
Note : The curves of the figure3 are specified for a junction temperature of 25°C before surge.
The given results may be extrapolated for otherjunction temperatures by using the following formula:
∆VBR=αT* (T
-25) * VBR(25°C).
amb
For intermediate voltages, extrapolate the given results.
4/6
Page 5
1.5KExx
Fig. 4a : Capacitance versus reverse applied
voltage for unidirectional types (typical values).
Fig. 5 : Peak forward voltage drop versus peak
forward current (typical values for unidirectional
types).
Note : Multiply by 2 for units with VBR> 220 V.
Fig. 4b : Capacitance versus reverse applied
voltage for b idirectional types (typical values).
Fig. 6 : Transient thermal impedance junction-ambient versus pulse duration (For FR4 PC
Board with L
= 10mm).
lead
Fig. 7 : Relative variation of leakage current
versus junction temperature.
5/6
Page 6
1.5KExx
ORDER CODE
1.5KE100CARL
1500W
PACKAGING
= Ammopack tape
RL = Tape& reel
BREAKDOWNVOLTAGE
BIDIRECTIONAL
No suffix: Unidirectional
MARKING : Logo, Date Code, Type Code,Cathode Band (forunidirectional types only).
Packaging : standard packaging is in tape and reel.
Weight = 0.85 g.
Information furnished isbelievedto be accurateand reliable.However,STMicroelectronics assumes noresponsibilityfor the consequences of
use ofsuch information nor for any infringementof patents or otherrightsof third parties whichmay result from its use.No license is grantedby
implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to
change without notice. This publication supersedes and replaces all information previously supplied.
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
2001 STMicroelectronics - Printed in Italy - All rights reserved.
STMicroelectronics GROUP OF COMPANIES
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6/6
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