TRANSIENT VOLTAGE
SUPPRESSOR
BZW04 SERIES
VBR : 6.8 - 440 Volts
PPK : 400 Watts
DO - 41
1.00 (25.4)
FEATURES :
0.107 (2.74)
MIN.
* 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 IR less then 1mA above 10V
0.080 (2.03)
0.205 (5.20)
0.160 (4.10)
1.00 (25.4)
MIN.
0.034 (0.86)
0.028 (0.71)
MECHANICAL DATA
* Case : DO-41 Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
method 208 guaranteed
Dimensions in inches and (millimeters)
* 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)
Steady State Power Dissipation at TL = 75 °C
Lead Lengths 0.375", (9.5mm) (Note 2)
PPK
Minimum 400
Watts
PD
1.0
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