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BZX85B
SILICON PLANAR POWER ZENER DIODES
for use in stabilizing and clipping circuits with high
power rating.
Max. 0.7
Max. 2.8
Min. 25.4
Black
Cathode Band
Black
Part No.
Black
"ST" Brand
XXX
ST
Max. 4.2
Min. 25.4
Glass Case DO-41
Dimensions in mm
Absolute Maximum Ratings (Ta = 25 OC)
Parameter
Symbol
Value
Power Dissipation
Ptot 1.3 1)
Junction Temperature
Tj 200
Storage Temperature Range
TS - 55 to + 200
1) Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature.
Unit
W
OC
OC
Characteristics at Ta = 25 OC
Parameter
Symbol
Max.
Thermal Resistance Junction to Ambient Air
RthA
130 1)
Forward Voltage
at IF = 200 mA
VF 1.2
1) Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature.
Unit
K/W
V
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 12/06/2007

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BZX85B
Characteristics at Ta = 25 OC
Zener Voltage Range 1)
Type
VZnom
V
lZT for
mA
VZT
V
BZX85B5V1 5.1 45
4.99…5.2
BZX85B5V6 5.6 45
5.49…5.71
BZX85B6V2 6.2 35
6.07…6.32
BZX85B6V8 6.8 35
6.66…6.94
BZX85B7V5 7.5 35
7.35…7.65
BZX85B8V2 8.2 25
8.04…8.36
BZX85B9V1 9.1 25
8.92…9.28
BZX85B10
10 25
9.8…10.2
BZX85B11
11 20
10.8…11.2
BZX85B12
12 20
11.8…12.2
BZX85B13
13 20
12.7…13.3
BZX85B15
15 15
14.7…15.3
BZX85B16
16 15
15.7…16.3
BZX85B18
18 15
17.6…18.4
BZX85B20
20 10
19.6…20.4
BZX85B22
22 10
21.6…22.5
BZX85B24
24 10
23.5…24.5
BZX85B27
27 8
26.4…27.6
BZX85B30
30 8
29.4…30.6
BZX85B33
33 8
32.3…33.7
BZX85B36
36 8
35.2…36.8
BZX85B39
39 6
38.2…39.8
BZX85B43
43 6
42.1…43.9
BZX85B47
47 4
1) Tested with pulses tp = 20 ms.
46…48
Maximum Dynamic Resistance
rZJT rZJK at IZK
Ω Ω mA
10 500 1
7 400 1
4 300 1
3.5 300 1
3 200 0.5
5 200 0.5
5 200 0.5
7 200 0.5
8 300 0.5
9 350 0.5
10 400 0.5
15 500 0.5
15 500 0.5
20 500 0.5
24 600 0.5
25 600 0.5
25 600 0.5
30 750 0.25
30
1000
0.25
35
1000
0.25
40
1000
0.25
50
1000
0.25
50
1000
0.25
90
1500
0.25
Maximum Reverse
Leakage Current
IR at VR
µA V
1 1.5
12
13
14
1 4.5
1 6.2
1 6.8
0.5 7
0.5 8.2
0.5 9.1
0.5 10
0.5 11
0.5 12
0.5 13
0.5 15
0.5 16
0.5 18
0.5 20
0.5 22
0.5 24
0.5 27
0.5 30
0.5 33
0.5 36
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 12/06/2007