BZW50-10, B,180, B Datasheet by STMicroelectronics

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KyIW,
R6
Features
Peak pulse power:
5000 W (10/1000 µs)
Stand off voltage range from 10 V to 180 V
Unidirectional and bidirectional diode
Low clamping factor
Fast response time
UL497B, file number: QVGQ2.E136224
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
ICs.
Product status link
BZW50
5 kW TVS
BZW50
Datasheet
DS0662 - Rev 6 - June 2018
For further information contact your local STMicroelectronics sales office.
www.st.com
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1Characteristics
Table 1. Absolute maximum ratings (Tamb = 25 °C)
Symbol Parameter Value Unit
PPP Peak pulse power dissipation(1) 5000 W
P Power dissipation on infinite heatsink 6.5 W
IFSM Non repetitive surge peak forward current for unidirectional types 500 A
Tstg Storage temperature range -65 to +175 °C
Top Maximum operating junction temperature 175 °C
TLMaximum lead temperature for soldering during 10 s at 5 mm from case. 260 °C
1. For a surge greater than the maximum values, the diode will fail in short-circuit.
Table 2. Thermal resistance parameter
Symbol Parameter Value Unit
Rth(j-l) Junction to leads 15 °C/W
Rth(j-a) Junction to ambient on printed circuit. L lead = 10 mm 65 °C/W
Figure 1. Electrical characteristics (definitions)
VCLVBR VRM
IRM
IR
IPP
V
I
IRM
IR
IPP
VRM
VBR VCL
VCLVBR VRM
IRM
IR
IPP
V
I
IRM
IR
IPP
VRM
VBR VCL
VCLVBR VRM
IRM
IR
IPP
V
I
IF
VF
VCLVBR VRM
IRM
IR
IPP
V
I
IF
VF
Unidirectional
Bidirectional
Symbol Parameter
V Stand-off voltage
V Breakdown voltage
V Clamping voltage
I Leakage current @ V
I Peak pulse current
T Voltage temperature coefficient
V Forward voltage drop
R Dynamic resistance
RM
BR
CL
RM RM
PP
F
D
α
Figure 2. Pulse definition for electrical characteristics
BZW50
Characteristics
DS0662 - Rev 6 page 2/10
Table 3. Electrical characteristics - values (Tamb = 25 °C)
Order code IRM @ VRM
max. VBR @ IR(1) min. VCL @ IPP
10/1000 µs max.
VCL @ IPP 8/20 µs
max. αT(2) C(3)typ.
Unidirectional Bidirectional µA V V mA V A V A 10-4/°C pF
BZW50-10 BZW50-10B 5 10 11.1 1 18.8 266 23.4 2564 7.8 24000
BZW50-12 BZW50-12B 5 12 13.3 1 22 227 28 2143 8.4 18500
BZW50-15 BZW50-15B 5 15 16.6 1 26.9 186 35 1714 8.8 13500
BZW50-18 BZW50-18B 5 18 20 1 32.2 155 41.5 1446 9.2 11500
BZW50-22 BZW50-22B 5 22 24.4 1 39.4 127 51 1177 9.6 8500
BZW50-27 BZW50-27B 5 27 30 1 48.3 103 62 968 9.8 7000
BZW50-33 BZW50-33B 5 33 36.6 1 59 85 76 789 10 5750
BZW50-39 BZW50-39B 5 39 43.3 1 69.4 72 90 667 10.1 4800
BZW50-47 BZW50-47B 5 47 52 1 83.2 60.1 108 556 10.3 4100
BZW50-56 BZW50-56B 5 56 62.2 1 99.6 50 129 465 10.4 3400
BZW50-68 BZW50-68B 5 68 75.6 1 121 41 157 382 10.5 3000
BZW50-82 BZW50-82B 5 82 91 1 145 34 189 317 10.6 2600
BZW50-100 BZW50-100B 5 100 111 1 179 28 228 263 10.7 2300
BZW50-120 BZW50-120B 5 120 133 1 215 23 274 219 10.8 1900
BZW50-150 BZW50-150B 5 150 166 1 269 19 343 175 10.8 1700
BZW50-180 BZW50-180B 5 180 200 1 322 16 410 146 10.8 1500
1. Pulse test: tp < 50 ms.
2. To calculate VBR versus Tj: VBR at TJ = VBR at 25 °C x (1 + αT x (Tj - 25))
3. VR = 0 V, F = 1 MHz. For bidirectional types, capacitance value is divided by 2.
BZW50
Characteristics
DS0662 - Rev 6 page 3/10
1.1 Characteristics (curves)
Figure 3. Peak power dissipation vs. initial junction
temperature (printed circuit board)
0
0
20
40
60
80
100
20 40 60 80 100 120 140 160 180 200
%
Tinitial (°C)
j
Figure 4. Peak pulse power versus exponential pulse
duration
0.01
0.001
0.1 1.0 10 100
1E2
1E3
1E4
1E5
1E6
1E7
Pp(W)
p
tp(ms)EXPO
.
Tjinitial(°C)
Figure 5. Clamping voltage vs. peak pulse current
0.1 1.0 10 100 10000
10
10 0
1000 VCL
Ipp( A)
V(V)
Ipp( A)
BZ W5 0-180
BZ W5 0- 82BZ W5 0- 82
BZ W5 0- 82BZ W5 0- 39
BZ W5 0- 12BZ W5 0- 18
BZ W5 0- 12BZ W5 0- 10
t
%I pp
10 0
50
0
trt< 10 s
r
tt
%I pp
10 0
50
0
trt< 10 s
r
tp
Tjinitial(°C )
100000
Figure 6. Capacitance vs. reverse applied voltage for
unidirectional types (typical values)
C( nF)
11 01 00
1
10
100
BZW50-39
BZW50-82
BZW50-180
BZW50-10
BZW50-18
0.1 50 0
Tj = 25 °C
F = 1 MHz
VR (V)
Note: The curves in Figure 5. Clamping voltage vs. peak pulse current 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.
BZW50
Characteristics (curves)
DS0662 - Rev 6 page 4/10
Figure 7. Capacitance vs. reverse applied voltage for
bidirectional types (typical values)
110 100
1
10
100
0.1
500
BZW50-180B
BZW50-39B
BZW50-82B
BZW50-10B
BZW50-18B
C( nF)
Tj = 25 °C
F = 1 MHz
VR (V)
Figure 8. Peak forward voltage drop vs. peak forward
current for unidirectional types (typical value)
Tj initial 25 °C
VFM (V)
Tj initial 150 °C
IFM(A)
2
1
1
10
100
0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
Note: For Figure 8. Peak forward voltage drop vs. peak forward current for unidirectional types (typical value), multiply
by 2 for units with VBR > 220 V.
Figure 9. Transient thermal impedance junction to
ambient vs. pulse duration
0.01 0.1 10 100
11000
1
10
100 Zth (j-a) (°C/W)
t (s)
p
Figure 10. Relative variation of leakage current vs.
junction temperature
Tj (25°C)
VR = VRM
5E+3
1E+3
1E+2
1E+1
1E+0
1E-1
025 50 75 100 125 150
IR (Tj)
IR (Tj = 25 °C)
BZW50
Characteristics (curves)
DS0662 - Rev 6 page 5/10
2Package information
In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK®
packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions
and product status are available at: www.st.com. ECOPACK® is an ST trademark.
2.1 R6 package information
Figure 11. R6 package outline
ØC
ØD
AB B
Table 4. R6 package mechanical data
Ref.
Dimensions
Millimeters Inches
Min. Typ. Max. Typ. Max.
A 8.6 - 9.1 0.338 - 0.358
B 25.4 - 1 -
C 8.6 - 9.1 0.338 - 0.358
D 1.20 - 1.30 0.047 - 0.051
BZW50
Package information
DS0662 - Rev 6 page 6/10
Table 5. Marking
Unidirectional order code Marking Bidirectional order code Marking
BZW50-10 BZW50-10 BZW50-10B BZW50-10B
BZW50-12 BZW50-12 BZW50-12B BZW50-12B
BZW50-15 BZW50-15 BZW50-15B BZW50-15B
BZW50-18 BZW50-18 BZW50-18B BZW50-18B
BZW50-22 BZW50-22 BZW50-22B BZW50-22B
BZW50-27 BZW50-27 BZW50-27B BZW50-27B
BZW50-33 BZW50-33 BZW50-33B BZW50-33B
BZW50-39 BZW50-39 BZW50-39B BZW50-39B
BZW50-47 BZW50-47 BZW50-47B BZW50-47B
BZW50-56 BZW50-56 BZW50-56B BZW50-56B
BZW50-68 BZW50-68 BZW50-68B BZW50-68B
BZW50-82 BZW50-82 BZW50-82B BZW50-82B
BZW50-100 BZW50-100 BZW50-100B BZW50-100B
BZW50-120 BZW50-120 BZW50-120B BZW50-120B
BZW50-150 BZW50-150 BZW50-150B BZW50-150B
BZW50-180 BZW50-180 BZW50-180B BZW50-180B
BZW50
R6 package information
DS0662 - Rev 6 page 7/10
é;
3Ordering information
Figure 12. Ordering information scheme
BZW 50 10 CA RL
Transil
Peak pulse power
Breakdown voltage
Packaging
50 = 5000 W
100 = 100 V
Blank = Ammopack tape
RL = Tape and reel
Types
A = Unidirectional
CA = Bidirectional
Table 6. Ordering information
Order code Marking Package Weight Base qty. Delivery mode
BZW50xxxx
See Table 5. Marking R6 2.050 g
1000 Ammopack
BZW50xxxxB
BZW50xxxxRL
100 Tape and reel
BZW50xxxxBRL
1. Logo, date code, type code, cathode band (for unidirectional types only).
BZW50
Ordering information
DS0662 - Rev 6 page 8/10
Revision history
Table 7. Document revision history
Date Revision Changes
Feb-2003 1 Last update.
14-Dec-2012 2 Updated ECOPACK statement.
25-May-2018 3 Updated tittle description. Updated Figure 2. Pulse definition for electrical characteristics
and Figure 12. Ordering information scheme.
BZW50
DS0662 - Rev 6 page 9/10
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Information in this document supersedes and replaces information previously supplied in any prior versions of this document.
© 2018 STMicroelectronics – All rights reserved
BZW50
DS0662 - Rev 6 page 10/10

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