BZW04-5V8/376
BZW04-5V8B/376B
TRANSILTM
PEAK PULSEPOWER : 400W (10/1000µs)
STAND-OFF VOLTAGERANGE:
From5.8V to376 V
UNI ANDBIDIRECTIONALTYPES
LOW CLAMPINGFACTOR
FASTRESPONSETIME
UL RECOGNIZED
FEATURES
F126
Symbol Parameter Value Unit
PPP Peak pulsepowerdissipation(see note 1) Tj initial= Tamb 400 W
P Powerdissipationon infiniteheatsink Tamb =75°C 1.7 W
IFSM Non repetitivesurgepeakforward current
forunidirectional types tp= 10ms
Tjinitial= Tamb 30 A
Tstg
TjStoragetemperaturerange
Maximumjunction temperature - 65 to+ 175
175 °C
°C
TLMaximumlead temperaturefor solderingduring 10s a 5mm
fromcase. 230 °C
Note 1: Fora surge greater than the maximum values, the diode will fail in short-circuit.
ABSOLUTE MAXIMUM RATINGS (Tamb =25°C)
DESCRIPTION
Transil diodes provide high overvoltageprotection
by clamping action. Their instantaneousresponse
to transientovervoltagesmakesthem particularly
suited to protect voltage sensitive devices such
as MOS Technology and low voltage supplied
IC’s.
January 1998 Ed : 2
Symbol Parameter Value Unit
Rth (j-l) Junctionto leads 60 °C/W
Rth (j-a) Junctionto ambienton printedcircuit. Llead =10mm 100 °C/W
THERMAL RESISTANCES
1/6
I
IF
VF
VVCL VBR
VRM
IPP
IRM V
Symbol Parameter
VRM Stand-offvoltage
VBR Breakdownvoltage
VCL Clampingvoltage
IRM Leakagecurrent @ VRM
IPP Peak pulsecurrent
αTVoltagetemperaturecoefficient
VFForwardvoltagedrop
ELECTRICALCHARACTERISTICS (Tamb =25°C)
Types IRM @V
RM VBR @I
RV
CL @I
PP VCL @I
PP αTC
max min max max max typ
note2 10/1000µs 8/20µs note3 note4
Unidirectional Bidirectional µAV VmAV A VA10
-4/°CpF
BZW04-5V8 BZW04-5V8B 1000 5.8 6.45 10 10.5 38.0 13.4 174 5.7 3500
BZW04-6V4 BZW04-6V4B 500 6.4 7.13 10 11.3 35.4 14.5 160 6.1 3100
BZW04-8V5 BZW04-8V5B 10 8.5 9.5 1 14.5 27.6 18.6 124 7.3 2000
BZW04-10 BZW04-10B 5 10.2 11.4 1 16.7 24.0 21.7 106 7.8 1550
BZW04-13 BZW04-13B 5 12.8 14.3 1 21.2 19.0 27.2 85 8.4 1200
BZW04-15 BZW04-15B 1 15.3 17.1 1 25.2 16.0 32.5 71 8.8 975
BZW04-19 BZW04-19B 1 18.8 20.9 1 30.6 13.0 39.3 59 9.2 800
BZW04-20 BZW04-20B 1 20.5 22.8 1 33.2 12.0 42.8 54 9.4 725
BZW04-23 BZW04-23B 1 23.1 25.7 1 37.5 10.7 48.3 48 9.6 625
BZW04-26 BZW04-26B 1 25.6 28.5 1 41.5 9.6 53.5 43 9.7 575
BZW04-28 BZW04-28B 1 28.2 31.4 1 45.7 8.8 59.0 39 9.8 510
BZW04-31 BZW04-31B 1 30.8 34.2 1 49.9 8.0 64.3 36 9.6 480
BZW04-33 BZW04-33B 1 33.3 37.1 1 53.9 7.4 69.7 33 10.0 450
BZW04-40 BZW04-40B 1 40.2 44.7 1 64.8 6.2 84 27 10.1 370
BZW04-48 BZW04-48B 1 47.8 53.2 1 77.0 5.2 100 23 10.3 320
BZW04-58 BZW04-58B 1 58.1 64.6 1 92.0 4.3 121 19 10.4 270
BZW04-70 BZW04-70B 1 70.1 77.9 1 113 3.5 146 16.0 10.5 230
BZW04-85 BZW04-85B 1 85.5 95.0 1 137 2.9 178 13.0 10.6 200
BZW04-102 BZW04-102B 1 102 114 1 165 2.4 212 11.0 10.7 170
BZW04-128 BZW04-128B 1 128 143 1 207 2.0 265 9.0 10.8 145
BZW04-154 BZW04-154B 1 154 171 1 246 1.6 317 7.0 10.8 125
BZW04-171 BZW04-171B 1 171 190 1 274 1.5 353 6.5 10.8 120
BZW04-188 BZW04-188B 1 188 209 1 328 1.4 388 6.0 10.8 110
BZW04-213 BZW04-213B 1 231 237 1 344 1.5 442 5.2 11.0 100
BZW04-256 BZW04-256B 1 256 285 1 414 1.2 529 4.3 11.0 90
BZW04-xx
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Types IRM @V
RM VBR @I
RV
CL @I
PP VCL @I
PP αTC
min max max max typ
note2 10/1000µs 8/20µs note3 note4
Unidirectional Bidirectional µAVVmAVAVA10
-4/°CpF
BZW04-273 BZW04-273B 1 273 304 1 438 1.2 564 4.0 11.0 85
BZW04-299 BZW04-299B 1 299 332 1 482 0.9 618 3.7 11.0 80
BZW04-342 BZW04-342B 1 342 380 1 548 0.9 706 3.2 11.0 75
BZW04-376 BZW04-376B 1 376 418 1 603 0.8 776 3.0 11.0 70
Note 2 : Pulse test: tp<50ms.
Note 3 : ∆VBR =αT*(Tamb - 25) *VBR(25°C)
Note 4 : VR= 0 V, F = 1 MHz.For bidirectional types,
capacitance value is divided by 2
Fig. 1: Peakpulsepower dissipationversusinitial
junction temperature(printed circuit board).
10 s
1000 s
%I
PP
50
0t
PULSE WAVEFORM 10/1000 s
100
BZW04-xx
3/6
0.001 0.01 0.1 1 10 100
tp (ms ) EXPO.
1E3
1E2
1E1
1E5
1E4
P (W)PP
Tj initial = 25°C
Fig.2 : Peakpulse power versusexponentialpulse duration.
0.1 1 10 100 1000
1
10
100
1000
10
100
BWZ04 5V8
BWZ04 8V5
BWZ04 33
BWZ04 213
BWZ04 376
V(V)
CL
Ipp (A)
t
%Ipp
100
50
0trt<10 s
r
t
-
-
-
-
-
Tj initial = 25°C
Fig.3 : Clampingvoltage versuspeak pulsecurrent.
Exponentialwaveform tp=20µs________
tp= 1 ms-------------
tp=10 ms...............
Note: The curvesofthe figure3 arespecifiedfor a junctiontemperatureof 25 °C beforesurge.
The given resultsmay be extrapolatedfor other junctiontemperaturesby usingthe following formula:
∆VBR =
αT*(Tamb -25) *VBR (25°C).
Forintermediatevoltages,extrapolatethe givenresults.
BZW04-xx
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0.01 0.1 1 10 100 1000
1
10
100 Zth (j-a) ( C/W)°
tp(s)
Fig.6: Transientthermalimpedancejunctionambi-
entversus pulse duration (For FR4 PC Board
with L lead = 10mm).
Fig.5 : Peakforwardvoltagedropversuspeakforward
current (typical values for unidirectional types).
Note : Multiplyby 2 forunits withVBR > 220V.
C (pF)
110100
10
100
1000
10000
BZW04-13B
BZW04-5V8B
BZW04-58B
BZW04-171B
BZW04-342B
BZW04-26B
V(V)
R
Tj = 25øC
f=1MHz
°
Fig. 4b : Capacitance versus reverse applied
voltage for bidirectional types(typical values).
C(pF)
110100
1
10
100
1000
10000
BZW0413
BZW045V8
BZW0458
BZW04171
BZW04342
BZW0426
V(V)
R
Tj = 25øC
f=1MHz
-
-
-
-
-
-
Fig. 4a : Capacitance versus reverse applied
voltage for unidirectional types (typical values).
Fig.7 : Relative variation of leakagecurrent
versus junction temperature.
BZW04-xx
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Packaging: standardpackagingisintapeand reel.
PACKAGE MECHANICAL DATA
F126 (Plastic)
Weight = 0.40 g.
MARKING : Logo, Date Code,Type Code, Cathode Band(for unidirectionaltypes only).
REF.
DIMENSIONS
Millimeters Inches
Min. Typ. Max. Min. Typ. Max.
A 6.05 6.20 6.35 0.238 0.244 0.250
B 26 31 1.024 1.220
∅C 2.95 3.00 3.05 0.116 0.118 0.120
∅D 0.76 0.81 0.86 0.030 0.032 0.034
L1 1.27 0.050
Note 1: Theleadis not controlledwithinzone L1
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the
consequences of use of such information nor for any infringementof patents or otherrights of third parties which may result from its use. No
license is grantedby implicationor otherwiseunder any patentor patentrights of SGS-THOMSON Microelectronics.Specifications mentioned
in this publication are subjectto change without notice. This publicationsupersedes and replacesall informationpreviously supplied.
SGS-THOMSONMicroelectronics productsare notauthorizedforuse as criticalcomponentsin life supportdevicesor systems withoutexpress
writtenapproval of SGS-THOMSONMicroelectronics.
1998 SGS-THOMSON Microelectronics- Printed in Italy -All rights reserved.
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia -Brazil - Canada - China -France - Germany -Italy - Japan - Korea- Malaysia- Malta- Morocco
The Netherlands - Singapore- Spain - Sweden - Switzerland - Taiwan - Thailand - UnitedKingdom - U.S.A.
ORDER CODE
BZW 04 - 10 B RL
400W
STAND-OFF VOLTAGE
PACKAGING:
’ ’= Ammopacktape
’RL’= Tape and reel
BIDIRECTIONAL
Nosuffix: Unidirectional
BZW04-xx
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