• Glass passivated junction
• Low Capacitance AC signal protection
• Response time typically < 1 ns.
• Molded case
• The plastic material carries
U/L recognition 94 V-0
• Terminal: Axial leads
Maximum Ratings, according to IEC publication No. 134
Steady State Power Dissipation
at (l = 10mm)
Operating temperature range
Storage temperature range
Ppp
PM(AV)
IFSM
Tj
Tstg
400 W
1 W
50 A
– 65 to + 175 °C
– 65 to + 175 °C
Electrical Characteristics at Tamb = 25 °C
Rthj-l Max. thermal resistance (l = 10 mm.)
45 °C/W
VFMax. forward voltage
drop at IF = 50 A
3.5 V
Peak pulse power with 10/1000 µs
exponential pulse
Non repetitive surge peak forward
current (t = 10 ms)
Oct-09
Note 1: Valid only for Unidirectional.
(Note 1)
(Note 1)
R
400W Unidirectional and Bidirectional Transient Voltage Suppressor Diodes
BZW04-5V8.........BZW04-256
VBR £ 220 V
VBR > 220 V
Peak Pulse
Power Rating
At 1 ms. Exp.
400 W
Reverse
stand-off
Voltage
5.8 ÷ 256 V
BZW04-6V4B....BZW04-256B
• Polarity: Color band denotes
Cathode except bidirectional types
Dimensions in mm. DO-15
(Plastic)
Mounting instructions
1. Min. distance from body to soldering point,
4 mm.
2. Max. solder temperature, 350 °C.
3. Max. soldering time, 3.5 sec.
4. Do not bend lead at a point closer than
2 mm. to the body.
ø0.8±0.05
58.5±0.5
ø3.05±0.1
6.35±0.2
5.0 V
(1) Tested with pulses.
Pulse test: tp £ 50 ms; d < 2%
BZW04
Oct-09
Type IRM at (V)
(mA) (V) (A)
Maximum Reverse
Leakage Current
Breakdown Voltage
(1) VBR at
IR
Max. Clamping Voltage
at
VCL IPP
max. 1 ms. Expo.
Max.Nom.Min.(V)(µA)Unidirectional
VRM
BZW04-5V8
BZW04-6V4
BZW04-7V0
BZW04-7V8
BZW04-8V5
BZW04-9V4
BZW04-10
BZW04-11
BZW04-13
BZW04-14
BZW04-15
BZW04-17
BZW04-19
BZW04-20
BZW04-23
BZW04-26
BZW04-28
BZW04-31
BZW04-33
BZW04-37
BZW04-40
BZW04-44
BZW04-48
BZW04-53
BZW04-58
BZW04-64
BZW04-70
BZW04-78
BZW04-85
BZW04-94
BZW04-102
BZW04-111
BZW04-128
BZW04-136
BZW04-145
BZW04-154
BZW04-171
BZW04-188
BZW04-213
BZW04-239
BZW04-256
1000
500
200
50
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5.8
6.4
7.02
7.78
8.55
9.4
10.2
11.1
12.8
13.6
15.3
17.1
18.8
20.5
23.1
25.6
28.2
30.8
33.3
36.8
40.2
43.6
47.8
53
58.1
64.1
70.1
77.8
85.8
94
102
111
128
136
145
154
171
188
213
239
256
6.45
7.13
7.79
8.65
9.5
10.5
11.4
12.4
14.3
15.2
17.1
19
20.9
22.8
25.7
28.5
31.4
34.2
37.1
40.9
44.7
48.5
53.2
58.9
64.6
71.3
77.9
86.5
95
105
114
124
143
152
161
171
190
209
237
266
285
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
110
120
130
150
160
170
180
200
220
250
280
300
7.14
7.88
8.61
9.55
10.5
11.6
12.6
13.7
15.8
16.8
18.9
21
23.1
25.2
28.4
31.5
34.7
37.8
41
45.2
49.4
53.6
58.8
65.1
71.4
78.8
86.1
95.5
105
116
126
137
158
168
179
189
210
231
263
294
315
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
10.5
11.3
12.1
13.4
14.5
15.6
16.7
18.2
21.2
22.5
25.2
27.7
30.6
33.2
37.5
41.5
45.7
49.9
53.9
59.3
64.8
70.1
77
85
92
103
113
125
137
152
165
179
207
219
234
246
274
301
344
384
414
38
35.4
33
30
27.6
25.7
24
22
19
17.8
16
14.5
13
12
10.7
9.6
8.8
8
7.4
6.7
6.2
5.7
5.2
4.7
4.3
3.9
3.5
3.2
2.9
2.6
2.4
2.2
2.0
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.2
BZW04B
Oct-09
Type IRM at (V)
(mA) (V) (A)
Maximum Reverse
Leakage Current
Breakdown Voltage
(1) VBR at
IR
Max. Clamping Voltage
at
VCL IPP
max. 1 ms. Expo.
Max.Nom.Min.(V)(µA)Bidirectional
BZW04-6V4B
BZW04-7V0B
BZW04-7V8B
BZW04-8V5B
BZW04-9V4B
BZW04-10B
BZW04-11B
BZW04-13B
BZW04-14B
BZW04-15B
BZW04-17B
BZW04-19B
BZW04-20B
BZW04-23B
BZW04-26B
BZW04-28B
BZW04-31B
BZW04-33B
BZW04-37B
BZW04-40B
BZW04-44B
BZW04-48B
BZW04-53B
BZW04-58B
BZW04-64B
BZW04-70B
BZW04-78B
BZW04-85B
BZW04-94B
BZW04-102B
BZW04-111B
BZW04-128B
BZW04-136B
BZW04-145B
BZW04-154B
BZW04-171B
BZW04-188B
BZW04-213B
BZW04-239B
BZW04-256B
500
200
50
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6.4
7.02
7.78
8.55
9.4
10.2
11.1
12.8
13.6
15.3
17.1
18.8
20.5
23.1
25.6
28.2
30.8
33.3
36.8
40.2
43.6
47.8
53
58.1
64.1
70.1
77.8
85.8
94
102
111
128
136
145
154
171
188
213
239
256
7.13
7.79
8.65
9.5
10.5
11.4
12.4
14.3
15.2
17.1
19
20.9
22.8
25.7
28.5
31.4
34.2
37.1
40.9
44.7
48.5
53.2
58.9
64.6
71.3
77.9
86.5
95
105
114
124
143
152
161
171
190
209
237
266
285
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
110
120
130
150
160
170
180
200
220
250
280
300
8.25
9.02
10
11
12.1
13.2
14.3
16.5
17.6
19.8
22
24.2
26.4
29.7
33
36.3
39.6
42.9
47.3
51.7
56.1
61.6
68.2
74.8
82.5
92.2
100
110
121
132
143
165
176
187
198
220
242
275
308
330
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
11.3
12.1
13.4
14.5
15.6
16.7
18.2
21.2
22.5
25.2
27.7
30.6
33.2
37.5
41.5
45.7
49.9
53.9
59.3
64.8
70.1
77
85
92
103
113
125
137
152
165
179
207
219
234
246
274
301
344
384
414
35.4
33
30
27.6
25.7
24
22
19
17.8
16
14.5
13
12
10.7
9.6
8.8
8
7.4
6.7
6.2
5.7
5.2
4.7
4.3
3.9
3.5
3.2
2.9
2.6
2.4
2.2
2.0
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.2
(1) Tested with pulses.
Pulse test: tp £ 50 ms; d < 2%
VRM
BZW04
Oct-09
Measured at VBR and 1 MHz.
BZW04B
1µs 10µs 100µs 1ms 10ms
0
25
50
75
100
0
DERATING CURVE
TYPICAL JUNCTION CAPACITANCE
Ppp, Peak Pulse Power in % of 25 °C
Temperature in (°C)
25 50 75 100 125 150 175
1
104
103
102
10
10 102103
VBR, Breakdown voltage (V)
Cj, Junction Capacitance (pF)
PEAK PULSE POWER RATING CURVE
105
104
103
102
Pulse time - t
Ppp, Peak Pulse Power (W)
100
50
Ipp
1t - time
1 ms
10 µs
Ipp - Peak Pulse Current - % Ipp
Ipp /2
Pulse wave form 10/1000
