BZW04-31 STMicroelectronics, BZW04-31 Datasheet - Page 4

• Manufacturer Part Number: BZW04-31
• Description: TRANSIL 400W 30.8V UNIDIR DO-15
• Manufacturer: STMicroelectronics
• Series: TRANSIL™r

Specifications of BZW04-31

• Voltage - Reverse Standoff (typ): 30.8V
• Voltage - Breakdown: 34.2V
• Power (watts): 400W
• Polarization: Unidirectional
• Mounting Type: Through Hole
• Package / Case: DO-204AC, DO-15, Axial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

BZW04-xx
Fig. 2 : Peak pulse power versus exponential pulse duration.
Fig. 3 : Clamping voltage versus peak pulse current.
4/6
Note : The curves of the figure 3 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 :
For intermediate voltages, extrapolate the given results.
V
BR
= T
Exponential waveform t
*
(T
1000
100
100
amb
1E4
1E5
1E3
1E2
1E1
10
10
1
0.1
0.001
-25)
V
BWZ04 376
BWZ04 213
BWZ04 33
BWZ04 8V5
BWZ04 5V8
CL
P
PP
(V)
*
V
-
-
-
-
-
(W)
BR
(25°C).
0.01
t
t
p
p
p
= 20 s________
= 1 ms——————-
= 10 ms...............
1
0.1
10
1
100
50
0
% Ipp
100
t r
tp (ms ) EXPO.
10
Tj initial = 25°C
t
Tj initial = 25°C
t < 10
r
Ipp (A)
s
100
1000
t