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1.5KE33CA Datasheet PDF - STMicroelectronics

Part Number 1.5KE33CA
Description TRANSILTM
Manufacturers STMicroelectronics 
Logo STMicroelectronics Logo 



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1.5KE33CA datasheet, circuit
®
FEATURES
PEAK PULSE POWER : 1500 W (10/1000µs)
BREAKDOWN VOLTAGE RANGE :
From 6.8V to 440 V
UNI AND BIDIRECTIONAL TYPES
LOW CLAMPING FACTOR
FAST RESPONSE TIME
UL RECOGNIZED
DESCRIPTION
Transil diodes provide high overvoltage protection
by clamping action. Their instantaneousresponse
to transient overvoltages makes them particularly
suited to protect voltage sensitive devices such
as MOS Technology and low voltage supplied IC’s.
1.5KE6V8A/440A
1.5KE6V8CA/440CA
TRANSILTM
CB429
ABSOLUTE MAXIMUM RATINGS (Tamb = 25°C)
Symbol
Parameter
PPP Peak pulse power dissipation (see note 1) Tj initial = Tamb
P Power dissipation on infinite heatsink
Tamb = 75°C
IFSM Non repetitive surge peak forward current tp = 10ms
for unidirectional types
Tj initial = Tamb
Tstg Storage temperature range
Tj Maximum junction temperature
TL Maximum lead temperature for soldering during 10s at 5mm
from case
Note 1 : For a surge greater than the maximum values, the diode will fail in short-circuit.
Value
1500
5
200
Unit
W
W
A
- 65 to + 175
175
230
°C
°C
°C
THERMAL RESISTANCES
Symbol
Rth (j-l)
Rth (j-a)
Parameter
Junction to leads
Junction to ambient on printed circuit. Llead = 10 mm
January 1998 Ed: 2
Value
20
75
Unit
°C/W
°C/W
1/6

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1.5KE33CA equivalent
Fig. 4a : Capacitance versus reverse applied
voltage for unidirectional types (typical values).
1.5KExx
Fig. 4b : Capacitance versus reverse applied
voltage for bidirectional 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. 6 : Transient thermal impedance junction-
ambient versus pulse duration (For FR4 PC
Board with L lead = 10mm).
Fig. 7 : Relative variation of leakage current
versus junction temperature.
®
5/6

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Information Total 6 Pages
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