BZW04 SERIES TRANSIENT VOLTAGE
SUPPRESSOR
V
BR
: 6.8 - 440 Volts
P
PK
: 400 Watts
FEATURES :
* 400W surge capability at 1ms
* Excellent clamping capability
* Low zener impedance
* Fast response time : typically less
then 1.0 ps from 0 volt to VBR(min)
* Typical I
R
less then 1
µ
A above 10V
MECHANICAL DATA
* Case : DO-41 Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
method 208 guaranteed
* Polarity : Color band denotes cathode end except Bipolar.
* Mounting position : Any
* Weight : 0.339 gram
DEVICES FOR BIPOLAR APPLICATIONS
For bi-directional use B Suffix.
Electrical characteristics apply in both directions
MAXIMUM RATINGS
Rating at 25 °C ambient temperature unless otherwise specified.
Rating Symbol Value Unit
Peak Power Dissipation at Ta = 25 °C, Tp=1ms (Note1) PPK Minimum 400 Watts
Steady State Power Dissipation at TL = 75 °C
Lead Lengths 0.375", (9.5mm) (Note 2) PD1.0 Watt
Peak Forward Surge Current, 8.3ms Single Half
Sine-Wave Superimposed on Rated Load
(JEDEC Method) (Note 3) IFSM 40 Amps.
Operating and Storage Temperature Range TJ, TSTG - 65 to + 175 °C
Note :
(1 ) Non-repetitive Current pulse, per Fig. 5 and derated above Ta = 25
°
C per Fig. 1
(2) Mounted on Copper Leaf area of 1.57 in2 (40mm2).
(3) 8.3 ms single half sine-wave, duty cycle = 4 pulses per minutes maximum.
UPDATE : MAY 18, 1998
DO - 41
Dimensions in inches and (millimeters)
0.205 (5.20)
0.160 (4.10)
1.00 (25.4)
MIN.
0.107 (2.74)
0.080 (2.03)
0.034 (0.86)
0.028 (0.71)
1.00 (25.4)
MIN.
ELECTRICAL CHARACTERISTICS
Rating at = 25 °C ambient temperature unless otherwise specified
Breakdown Voltage @ It Working Peak Maximum Maximum Maximum Maximum
( Note 1 ) Reverse Reverse Leakage Reverse Clamping Temperature
TYPE
Voltage @ VRWM Current Voltage @ IRSM Co-efficient
VBR (V) It VRWM IRIRSM VRSM of VBR
Min. Max. (mA) (V) (µA) (A) (V) (% /
°
C)
BZW04P5V8 6.45 7.48 10 5.80 1000 38.0 10.5 0.057
BZW04-5V8 6.45 7.14 10 5.80 1000 38.0 10.5 0.057
BZW04P6V4 7.13 8.25 10 6.40 500 35.4 11.3 0.061
BZW04-6V4 7.13 7.88 10 6.40 500 35.4 11.3 0.061
BZW04P7V0 7.79 9.02 10 7.02 200 33.0 12.1 0.065
BZW04-7V0 7.79 8.61 10 7.02 200 33.0 12.1 0.065
BZW04P7V8 8.65 10.0 1.0 7.78 50 30.0 13.4 0.068
BZW04-7V8 8.65 9.55 1.0 7.78 50 30.0 13.4 0.068
BZW04P8V5 9.50 11.0 1.0 8.55 10 27.6 14.5 0.073
BZW04-8V5 9.50 10.5 1.0 8.55 10 27.6 14.5 0.073
BZW04P9V4 10.5 12.1 1.0 9.40 5.0 25.7 15.6 0.075
BZW04-9V4 10.5 11.6 1.0 9.40 5.0 25.7 15.6 0.075
BZW04P10 11.4 13.2 1.0 10.2 5.0 24.0 16.7 0.078
BZW04-10 11.4 12.6 1.0 10.2 5.0 24.0 16.7 0.078
BZW04P11 12.4 14.3 1.0 11.1 5.0 22.0 18.2 0.081
BZW04-11 12.4 13.7 1.0 11.1 5.0 22.0 18.2 0.081
BZW04P13 14.3 16.5 1.0 12.8 5.0 19.0 21.2 0.084
BZW04-13 14.3 15.8 1.0 12.8 5.0 19.0 21.2 0.084
BZW04P14 15.2 17.6 1.0 13.6 5.0 17.8 22.5 0.086
BZW04-14 15.2 16.8 1.0 13.6 5.0 17.8 22.5 0.086
BZW04P15 17.1 19.8 1.0 15.3 5.0 16.0 25.2 0.088
BZW04-15 17.1 18.9 1.0 15.3 5.0 16.0 25.2 0.088
BZW04P17 19.0 22.0 1.0 17.1 5.0 14.5 27.7 0.090
BZW04-17 19.0 21.0 1.0 17.1 5.0 14.5 27.7 0.090
BZW04P19 20.9 24.2 1.0 18.8 5.0 13.0 30.6 0.092
BZW04-19 20.9 23.1 1.0 18.8 5.0 13.0 30.6 0.092
BZW04P20 22.8 26.4 1.0 20.5 5.0 12.0 33.2 0.094
BZW04-20 22.8 25.2 1.0 20.5 5.0 12.0 33.2 0.094
BZW04P23 25.7 29.7 1.0 23.1 5.0 10.7 37.5 0.096
BZW04-23 25.7 28.4 1.0 23.1 5.0 10.7 37.5 0.096
BZW04P26 28.5 33.0 1.0 25.6 5.0 9.6 41.5 0.097
BZW04-26 28.5 31.5 1.0 25.6 5.0 9.6 41.5 0.097
BZW04P28 31.4 36.3 1.0 28.2 5.0 8.8 45.7 0.098
BZW04-28 31.4 34.7 1.0 28.2 5.0 8.8 45.7 0.098
BZW04P31 34.2 39.6 1.0 30.8 5.0 8.0 49.9 0.099
BZW04-31 34.2 37.8 1.0 30.8 5.0 8.0 49.9 0.099
BZW04P33 37.1 42.9 1.0 33.3 5.0 7.4 53.9 0.100
BZW04-33 37.1 41.0 1.0 33.3 5.0 7.4 53.9 0.100
BZW04P37 40.9 47.3 1.0 36.8 5.0 6.7 59.3 0.101
BZW04-37 40.9 45.2 1.0 36.8 5.0 6.7 59.3 0.101
BZW04P40 44.7 51.7 1.0 40.2 5.0 6.2 64.8 0.101
BZW04-40 44.7 49.4 1.0 40.2 5.0 6.2 64.8 0.101
BZW04P44 48.5 56.1 1.0 43.6 5.0 5.7 70.1 0.102
BZW04-44 48.5 53.6 1.0 43.6 5.0 5.7 70.1 0.102
BZW04P48 53.2 61.6 1.0 47.8 5.0 5.2 77.0 0.103
BZW04-48 53.2 58.8 1.0 47.8 5.0 5.2 77.0 0.103
BZW04P53 58.9 68.2 1.0 53.0 5.0 4.7 85.0 0.104
BZW04-53 58.9 65.1 1.0 53.0 5.0 4.7 85.0 0.104
ELECTRICAL CHARACTERISTICS
Rating at = 25
°
C ambient temperature unless otherwise specified
Breakdown Voltage @ It Working Peak Maximum Maximum Maximum Maximum
( Note 1 ) Reverse Reverse Leakage Reverse Clamping Temperature
TYPE
Voltage @ VRWM Current Voltage @ IRSM Co-efficient
VBR (V) It VRWM IRIRSM VRSM of VBR
Min. Max. (mA) (V) (µA) (A) (V) (% /
°
C)
BZW04P58 64.6 74.8 1.0 58.1 5.0 4.3 92.0 0.104
BZW04-58 64.6 71.4 1.0 58.1 5.0 4.3 92.0 0.104
BZW04P64 71.3 82.5 1.0 64.1 5.0 3.9 103 0.105
BZW04-64 71.3 78.8 1.0 64.1 5.0 3.9 103 0.105
BZW04P70 77.9 90.2 1.0 70.1 5.0 3.5 113 0.105
BZW04-70 77.9 86.1 1.0 70.1 5.0 3.5 113 0.105
BZW04P78 86.5 100 1.0 77.8 5.0 3.2 125 0.106
BZW04-78 86.5 95.5 1.0 77.8 5.0 3.2 125 0.106
BZW04P85 95.0 110 1.0 85.5 5.0 2.9 137 0.106
BZW04-85 95.0 105 1.0 85.5 5.0 2.9 137 0.106
BZW04P94 105 121 1.0 94.0 5.0 2.6 152 0.107
BZW04-94 105 116 1.0 94.0 5.0 2.6 152 0.107
BZW04P102 114 132 1.0 102 5.0 2.4 165 0.107
BZW04-102 114 126 1.0 102 5.0 2.4 165 0.107
BZW04P111 124 143 1.0 111 5.0 2.2 179 0.107
BZW04-111 124 137 1.0 111 5.0 2.2 179 0.107
BZW04P128 143 165 1.0 128 5.0 2.0 207 0.108
BZW04-128 143 158 1.0 128 5.0 2.0 207 0.108
BZW04P136 152 176 1.0 136 5.0 1.8 219 0.108
BZW04-136 152 168 1.0 136 5.0 1.8 219 0.108
BZW04P145 161 187 1.0 145 5.0 1.7 234 0.108
BZW04-145 161 179 1.0 145 5.0 1.7 234 0.108
BZW04P154 171 198 1.0 154 5.0 1.6 246 0.108
BZW04-154 171 189 1.0 154 5.0 1.6 246 0.108
BZW04P171 190 220 1.0 171 5.0 1.5 274 0.108
BZW04-171 190 210 1.0 171 5.0 1.5 274 0.108
BZW04P188 209 242 1.0 188 5.0 1.4 301 0.108
BZW04-188 209 231 1.0 188 5.0 1.4 301 0.108
BZW04P213 237 275 1.0 213 5.0 1.3 344 0.110
BZW04-213 237 263 1.0 213 5.0 1.3 344 0.110
BZW04P239 266 308 1.0 239 5.0 1.3 384 0.110
BZW04-239 266 294 1.0 239 5.0 1.3 384 0.110
BZW04P256 285 330 1.0 256 5.0 1.2 414 0.110
BZW04-256 285 315 1.0 256 5.0 1.2 414 0.110
BZW04P273 304 352 1.0 273 5.0 1.2 438 0.110
BZW04-273 304 336 1.0 273 5.0 1.2 438 0.110
BZW04P299 332 385 1.0 299 5.0 0.9 482 0.110
BZW04-299 332 368 1.0 299 5.0 0.9 482 0.110
BZW04P342 380 440 1.0 342 5.0 0.9 548 0.110
BZW04-342 380 420 1.0 342 5.0 0.9 548 0.110
BZW04P376 418 484 1.0 376 5.0 0.8 603 0.110
BZW04-376 418 462 1.0 376 5.0 0.8 603 0.110
Note:
( 1 ) V
BR
measured after It applied for 300
µ
s., It = square wave pulse or equivalent.
( 2 ) V
F
= 3.5 Vmax., I
F
= 25 Amps. ( 6.8 Volts thru 110 Volts )
V
F
= 5.0 Vmax., I
F
= 25 Amps. ( 120 Volts thru 440 Volts ) per 1/2
square or equivalent sine wave.
PW = 8.3 ms, duty cycle = 4 pulses per minute maximum.
RATING AND CHARACTERISTIC CURVES ( BZW04 SERIES )
FIG.1 - PULSE DERATING CURVE
FIG.2 - MAXIMUM NON-REPETITIVE
SURGE CURRENT
025 50 75 100 125 150 175
Ta, AMBIENT TEMPERATURE, ( °C) NUMBER OF CYCLES AT 60Hz
FIG.3 - STEADY STATE POWER DERATING FIG.4 - PULSE RATING CURVE
FIG.5 - PULSE WAVEFORM
0 1.0 2.0 3.0 4.0
80
60
40
20
120
1.00 100
10
40
0
60
0
30
20
10
0.25
0.75
0
0.1
0.50
1.0
tp, PULSE WIDTH
PEAK FORWARD SURGE
CURRENT, AMPERES
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
Pp,PEAK POWER (kW)
100 50
10
20
60
1
2
4
6
40
100
100 125
175
0
25 50 75 150
0.1µs1.0µs10µs100µs10ms
1.0ms
200
TL, LEAD TEMPERATURE (°C)
PD
, STEADY STATE POWER DISSIPATION
(WATTS)
50
100
0
Tr = 10µs
Peak Value
IRMS
Half Value - IRMS
2
TJ=25 °C
Pulse Width (tp) is defined
as that point where the peak
current decays to 50%
of IRSM
tp
10X1000 Waveform
as defined by R.E.A.
T, TIME(ms)
PEAK PULSE CURRENT - % I
RMS
8.3 ms SINGLE HALF SINE WAVE
JEDEC METHOD
Single Phase Half Wave
60 Hz Resistive or Inductive load
