STMicroelectronics BZW50-180 Transil, transient voltage surge suppressor (tvs) Datasheet

BZW50
Transil™, transient voltage surge suppressor (TVS)
Datasheet  production data
Features
■
Peak pulse power: 5000 W (10/1000 µs)
■
Stand-off voltage range from 10 V to 180 V
■
Unidirectional and bidirectional types
■
Low clamping factor
■
Fast response time
■
UL497B, file number: QVGQ2.E136224
R6
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.
TM:Transil is a trademarks of STMicroelectronics.
December 2012
This is information on a product in full production.
Doc ID 2973 Rev 5
1/8
www.st.com
8
Characteristics
BZW50
1
Characteristics
Table 1.
Absolute maximum ratings (Tamb = 25 °C)
Symbol
PPP
P
Parameter
Value
Unit
Peak pulse power dissipation(1)
Tj initial = Tamb
5000
W
Power dissipation on infinite heatsink
Tamb = 75 °C
6.5
W
500
A
-65 to + 175
°C
IFSM
t = 10 ms
Non repetitive surge peak forward current for unidirectional types p
Tj initial = Tamb
Tstg
Storage temperature range
Tj
Maximum operating junction temperature
175
°C
TL
Maximum 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 resistances
Symbol
Parameter
Value
Rth(j-l)
Junction to leads
15
Rth(j-a)
Junction to ambient on printed circuit. L lead = 10 mm
65
Figure 1.
°C/W
Electrical characteristics - definitions
Symbol
VRM
VBR
VCL
IRM
IPP
αT
VF
RD
Figure 2.
Parameter
Stand-off voltage
Breakdown voltage
Clamping voltage
Leakage current @ VRM
Peak pulse current
Voltage temperature coefficient
Forward voltage drop
Dynamic resistance
Unidirectional
I
I
IF
IPP
VF
VCL VBR VRM
V
IR
IRM
V
IRM
IR
IPP
IPP
Pulse definition for electrical characteristics
tr
VCLVBR VRM
IRM
IR
Repetitive pulse current
tr = rise time (µs)
tp = pulse duration time (µs)
2/8
Unit
tp
Doc ID 2973 Rev 5
VRMVBR VCL
Bidirectional
BZW50
Characteristics
Table 3.
Electrical characteristics - values (Tamb = 25 °C)
IRM @ VRM
VBR @ IR(1)
Order code
max
Unidirectional
Bidirectional
min
VCL @ IPP
VCL @ IPP
10/1000 µs
8/20µs
max
max
T(2)
C(3)
max
typ
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. VBR = T · (Tamb - 25) · VBR(25°C).
3. VR = 0 V, F = 1 MHz. For bidirectional types, capacitance value is divided by 2.
Doc ID 2973 Rev 5
3/8
Characteristics
Figure 3.
BZW50
Peak power dissipation vs. initial
junction temperature
(printed circuit board)
Figure 4.
Peak pulse power vs. exponential
pulse duration
Ppp (W)
%
1E7
Tj initial(°C)
100
1E6
80
1E5
60
1E4
40
20
1E3
Tj initial(°C)
tp(ms)EXPO.
0
0
20
Figure 5.
40
60
80 100 120 140 160 180 200
Clamping voltage vs. peak pulse
current(1)
1E2
0.001
Figure 6.
VCL (V)
0.01
0.1
1
10
100
Capacitance vs. reverse applied
voltage for unidirectional types
(typical values).
C (nF)
1000
100
% Ipp
100
Tj initial(°C)
Tj= 25 °C
F = 1 MHz
50
0
BZW50-180
tr
tp
t
t r < 10
s
10
BZW50- 82
100
BZW50- 39
82
B ZW 5
0-10
B ZW 5
0-18
B ZW 5
0-39
B ZW 5
0-82
1
B ZW 5
0-180
BZW50- 18
12
BZW50- 10
12
10
0.1
V R (V)
Ipp (A)
1
10
100
1000
0.1
10000
1
10
100
500
1. The curves in Figure 5 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: VBR = T x [Tamb -25] x VBR(25 °C)
For intermediate voltages, extrapolate the given results.
Figure 7.
Capacitance vs. reverse applied
voltage for bidirectional types
(typical values)
Figure 8.
C (nF)
100
Tj= 25 °C
F = 1 MHz
10
1
B ZW 5
0-10B
B ZW 5
0-18B
B ZW 5
0-39B
BZW 50-8
2B
B ZW 5
0-180
B
V R (V)
0.1
1
10
100
500
1. Multiply by 2 for units with VBR > 220 V.
4/8
Doc ID 2973 Rev 5
Peak forward voltage drop vs. peak
forward current for unidirectional
types (typical value).(1)
BZW50
Figure 9.
100
Ordering information scheme
Figure 10. Relative variation of leakage
current vs. junction temperature
Transient thermal impedance
junction to ambient vs. pulse
duration
Zth (j-a) (°C/W)
10
tp(s)
1
0.01
2
0.1
1
10
100
1000
Ordering information scheme
Figure 11. Ordering information scheme
BZW
50
10
CA
RL
Transil
Peak Pulse Power
50 = 5000 W
Breakdown Voltage
100 = 100 V
Types
A = Unidirectional
CA = Bidirectional
Packaging
Blank = Ammopack tape
RL = Tape and reel
Doc ID 2973 Rev 5
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Package information
3
BZW50
Package information
●
Epoxy meets UL94, V0
●
Lead-free package
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.
Table 4.
R6 Dimensions
Dimensions
B
ØD
Table 5.
Ref.
Millimeters
Inches
Min.
Max.
Min.
Max.
A
8.6
9.1
0.338
0.358
B
25.4
ØC
8.6
9.1
0.338
0.358
ØD
1.2
1.3
0.047
0.051
ØC
1
Marking
Unidirectional
order code
6/8
B
A
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
Doc ID 2973 Rev 5
BZW50
4
Ordering information
Ordering information
Table 6.
Ordering information
Order code
Marking(1)
Package
Weight
Base qty
Delivery mode
1000
Tape and reel
100
Ammopack
BZW50xxxx
BZW50xxxxB
See Table 5
R6
2.050g
BZW50xxxxRL
BZW50xxxxBRL
1. Logo, date code, type code, cathode band (for unidirectional types only).
5
Revision history
Table 7.
Document revision history
Date
Revision
Changes
Feb-2003
4
Last update
14-Dec-2012
5
Updated ECOPACK statement.
Doc ID 2973 Rev 5
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BZW50
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