BZW50 Series
Stand-off Zener Voltage: 10 - 180 Volts
Peak Power: 5000 Watts
FEATURES :
* 5000W (10/1000µs) Peak Pulse Power
* Excellent clamping capability
* Low incremental surge resistance
* Fast response time : typically less
then 1.0 ps from 0 volt to V
BR(min.)
* Pb / RoHS Free
TRANSIENT VOLTAGE
SUPPRESSOR
D6
0.360 (9.1)
0.340 (8.6)
1.00 (25.4)
MIN.
0.360 (9.1)
0.340 (8.6)
MECHANICAL DATA
* Case : Molded plastic body
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
Method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 2.1 grams
0.052 (1.32)
0.048 (1.22)
1.00 (25.4)
MIN.
Dimensions in inches and ( millimeters )
MAXIMUM RATINGS
Rating at 25
°
C ambient temperature unless otherwise specified.
Rating
Peak pulse power dissipation
(1)
, T
J
initial = Ta
Power dissipation on infinite heat sink , Ta = 75ºC
Non repetitive surge peak forward current
for unidirectional type , tp = 10 ms ,T
J
initial = Ta
Maximum lead temperature for soldering during 10s
at 5mm from case
Thermal resistance junction to lead
Thermal resistance junction to ambient, L = 10mm
Operating and storage temperature range
Symbol
P
PK
P
D
I
FSM
Value
5000
6.5
500
Unit
W
W
A
T
L
R
θJL
R
θJA
T
J
, T
STG
230
15
65
- 65 to + 175
ºC
ºC/W
ºC/W
°C
Note:
(1) For surge greater than the maximum values, the diode will fail in short-circuit.
Page 1 of 3
Rev. 02 : March 25, 2005
ELECTRICAL CHARACTERISTICS
Rating at 25
°
C ambient temperature unless otherwise specified
Type No.
Unidirectional
BZW50-10
BZW50-12
BZW50-15
BZW50-18
BZW50-22
BZW50-27
BZW50-33
BZW50-39
BZW50-47
BZW50-56
BZW50-68
BZW50-82
BZW50-100
BZW50-120
BZW50-150
BZW50-180
Breakdown voltage
(Note 1)
V
BR
@
min (V)
11.1
13.3
16.6
20.0
24.4
30.0
36.6
43.3
52.0
62.2
75.6
91.0
111
133
166
200
I
R
Max. Leakage
current @ V
RM
I
RM
@ V
RM
(µA)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Clamping voltage
10/1000 µs
V
CL
@
I
PP
max (V)
18.8
22.0
26.9
32.2
39.4
48.3
59.0
69.4
83.2
99.6
121
145
179
215
269
322
C
αT
max
typ
(Note 2) (Note 3)
10
-4
/ºC
7.8
8.4
8.8
9.2
9.6
.9.8
10
10.1
10.3
10.4
10.5
10.6
10.7
10.8
10.8
10.8
Bidirectional
BZW50-10B
BZW50-12B
BZW50-15B
BZW50-18B
BZW50-22B
BZW50-27B
BZW50-33B
BZW50-39B
BZW50-47B
BZW50-56B
BZW50-68B
BZW50-82B
BZW50-100B
BZW50-120B
BZW50-150B
BZW50-180B
max (V)
13.6
16.3
20.4
24.4
29.8
36.6
44.7
53.0
63.6
76.0
92.4
111
136
163
204
244
(mA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
(V)
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
(A)
266
227
186
155
127
103
85
72
60.1
50
41
34
28
23
19
16
(pF)
24000
18500
13500
1150
8500
7000
5750
4800
4100
3400
3000
2600
2300
1900
1700
1500
Notes:
(1) Pulse test : tp < 50 ms.
(2)
Δ
V
BR
=
αT
* (Ta - 25) * V
BR
(25ºC)
(3) V
R
= 0V, f = 1MHz. For Bidirectional types, capacitance value is divided by 2.
Page 2 of 3
Rev. 02 : March 25, 2005
RATING AND CHARACTERISTIC CURVES ( BZW50 SERIES )
FIG.1 - PULSE DERATING CURVE
FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
600
PEAK PULSE POWER OR CURRENT
DERATING IN PERCENTAGE, %
120
PEAK FORWARD SURGE
CURRENT, AMPERES
175
100
Peak Power
(on printed circuit)
500
80
400
60
300
40
200
Average Power
(on infinite heatsink)
20
0
0
25
50
75
100
125
150
100
0
1
2
4
6
10
20
40
60
100
Ta, AMBIENT TEMPERATURE, (
°
C)
NUMBER OF CYCLES AT 60Hz
FIG.3 - STEADY STATE POWER DERATING
P
D
, STEADY STATE POWER DISSIPATION
(WATTS)
1
E7
FIG.4 - PEAK PULSE POWER RATING CURVE
8
P
PK
, PEAK POWER (WATTS)
Exponential waveform
1
E6
6
1
E5
4
1
E4
2
1
E3
L = 10mm
0
0
25
50
75
100
125
150
175
200
1
E2
0.001
0.01
0.1
1
10
100
T
L
, LEAD TEMPERATURE (
°
C)
tp, PULSE WIDTH (ms)
FIG.5 - PULSE WAVEFORM
PEAK PULSE CURRENT - % I
PPM
tr = 10µs
100
Peak Value
I
PPM
Ta=25
°C
Pulse Width (td) is defined
as that point where the peak
current decays to 50%
of I
PPM
50
Half Value - I
PPM
2
10x1000
µs
Waveform
as defined by R.E.A.
tp
0
0
1.0
2.0
3.0
4.0
T, TIME(ms)
Page 3 of 3
Rev. 02 : March 25, 2005
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