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PDF BZW04-8V5B Data sheet ( Hoja de datos )
| Número de pieza | BZW04-8V5B | |
| Descripción | TRANSILTM | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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BZW04-5V8/376
® BZW04-5V8B/376B
FEATURES
PEAK PULSE POWER : 400 W (10/1000µs)
STAND-OFF VOLTAGERANGE :
From 5.8V to 376 V
UNI AND BIDIRECTIONAL TYPES
LOW CLAMPING FACTOR
FAST RESPONSE TIME
UL RECOGNIZED
TRANSILTM
DESCRIPTION
Transil 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.
F126
ABSOLUTE MAXIMUM RATINGS (Tamb = 25°C)
Symbol
Parameter
Value
Unit
PPP Peak pulse power dissipation (see note 1) Tj initial = Tamb
400
W
P Power dissipation on infinite heatsink
Tamb = 75°C
1.7 W
IFSM Non repetitive surge peak forward current tp = 10ms
for unidirectional types
Tj initial = Tamb
30
A
Tstg Storage temperature range
Tj Maximum junction temperature
- 65 to + 175
175
°C
°C
TL Maximum lead temperature for soldering during 10s a 5mm
from case.
230 °C
Note 1 : For a surge greater than the maximum values, the diode will fail in short-circuit.
THERMAL RESISTANCES
Symbol
Rth (j-l)
Rth (j-a)
Parameter
Junction to leads
Junction to ambient on printed circuit.
Llead = 10 mm
Value
60
100
Unit
°C/W
°C/W
January 1998 Ed : 2
1/6
1 page  
Fig. 4a : Capacitance versus reverse applied
voltage for unidirectional types (typical values).
C (pF)
10000
BZW04 - 5V8
1000 BZW04 - 13
BZW04 - 26
100 BBZZWW0044--15781
Tj = 25øC
f = 1 MHz
BZW04 - 342
10
V R (V)
1
1 10 100
Fig.5 : Peakforward voltagedrop versuspeakforward
current (typical values for unidirectional types).
Note : Multiply by 2 for units with VBR > 220V.
BZW04-xx
Fig. 4b : Capacitance versus reverse applied
voltage for bidirectional types (typical values).
C (pF)
10000
Tj = 25°øC
f = 1 MHz
1000
BZW04 - 5V8B
BZW04 - 13B
BZW04 - 26B
100 BZW04 - 58B
BZW04 - 171B
V R (V)
BZW04 - 342B
10
1 10 100
Fig. 6 : Transientthermalimpedance junctionambi-
entversus pulse duration (For FR4 PC Board
with L lead = 10mm).
Zth (j-a) (°C/W)
100
Fig. 7 : Relative variation of leakage current
versus junction temperature.
10
tp(s)
1
0.01
0.1
1
10 100 1000
5/6
®
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet BZW04-8V5B.PDF ] | |
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