Fairchild Semiconductor BZX85C4V7, BZX85C3V3, BZX85C5V1, BZX85C5V6, BZX85C3V9 Datasheet
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Zeners
BZX85C 3V3 - BZX85C 33
Zeners (BZX85C 3V3 - BZX85C 33)
Absolute Maximum Ratings* T
Symbol
Parameter
= 25°C unless otherwise noted
A
Value Units
PD Power Dissipation 1.3 W
T
Storage Temperature Range -65 to +200
STG
TJ Operating Junction Temperature + 200
Lead Temperature (1/16” from case for 10
+ 230
C
°
C
°
C
°
seconds)
*These ratings are limiting values above which the serviceability of the diode may be impaired.
NOTES:
1) These ratings are based on a maximum junction temperature of 200 degrees C.
2) These are steady state limits. The factory should be consulted on applications involving pulsed
or low duty cycle operations.
Electrical Characteristics T
Device
BZX85C 3V3
BZX85C 3V6
BZX85C 3V9
BZX85C 4V3
BZX85C 4V7
BZX85C 5V1
BZX85C 5V6
BZX85C 6V2
BZX85C 6V8
BZX85C 7V5
BZX85C 8V2
BZX85C 9V1
BZX85C 10
BZX85C 11
BZX85C 12
BZX85C 13
BZX85C 15
BZX85C 16
BZX85C 18
BZX85C 20
BZX85C 22
BZX85C 24
BZX85C 27
BZX85C 30
BZX85C 33
V
V
(V)
Z
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
Foward Voltage = 1.2 V Maximum @ I
F
Z
(ΩΩΩΩ)
Z
20
15
15
13
13
10
7.0
4.0
3.5
3.0
5.0
5.0
7.0
8.0
9.0
10
15
15
20
24
25
25
30
30
35
I
= 25°C unless otherwise noted
A
ZK
400
500
500
500
600
500
400
300
300
200
200
200
200
300
350
400
500
500
500
600
600
600
750
(ΩΩΩΩ)
@@
I
Z
(mA)
Z
80
60
60
50
45
45
45
35
35
35
25
25
25
20
20
20
15
15
15
10
10
10
8.0
8.0
8.0
1,000
1,200
= 200 mA for all BZX85 series
F
ZK
0.25
0.25
0.25
(mA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
I
R
(µµµµA)
V
@
60
30
5.0
3.0
3.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
Tolerance: C = 5%
DO-41
COLOR BAND DENOTES CATHODE
I
(V)
R
1.0
1.0
1.0
1.0
1.5
2.0
2.0
3.0
4.0
4.5
5.0
6.5
7.0
7.7
8.4
9.1
10.5
11
12.5
14
15.5
17
19
21
23
SURGE
1,380
1,260
1,190
1,070
970
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
150
135
(mA)
I
ZRM
(mA)
276
252
234
217
193
178
162
146
133
121
110
100
91
83
76
69
61
57
50
45
41
38
34
30
27
2001 Fairchild Semiconductor Corporation
BZX85 Series Rev. C
T ypical Characteristics
Zeners (BZX85C 3V3 - BZX85C 33)
Zeners (BZX85C 3V3 - BZX85C 33)
(continued)
35
V = 33.0V
30
25
Z
º
T = 25 C
A
20
15
V = 12.0V
Z
10
Z
V - ZENER VOLTAGE (V)
V = 5.1V
5
Z
V = 3.3V
Z
12 5102030
I - ZE NER CURRE NT ( m A )
Z
5000
2000
V = 5.1V
Z
1000
V = 3.3V
500
Z
200
100
50
V = 33.0V
Z
20
10
V = 12.0V
Z
Z
Z - IMPEDANCE (ohms)
5
2
1
0.1 0.2 0.5 1 2 5 10 20
I - ZENER CURRENT (mA)
Z
Zener Current vs. Zener Voltage Zener Current vs. Zener Impedence
5
V = 3.3 V
Z
4
T = -25 C
º
A
T = 25 C
º
A
3
T = 85 C
º
A
T = 100 C
º
2
Z
V - ZENER VOLTAGE (V)
A
º
T = 125 C
A
6
V = 5.1V
Z
5.5
5
T = 100 C
A
4.5
Z
T = -25 C
A
V - ZENER VOLTAGE (V)
º
T = 25 C
º
A
º
T = 125 C
A
T = 85 C
A
º
T = 25 C
A
º
º
1
12 5102030
I - ZE NE R CUR RE NT (mA )
Z
4
12 5102030
I - ZENER CURRENT (mA)
Z
3.3 Zener Voltage vs. Temperature 5.1 Zener Voltage vs. Temperature
15
V = 12.0V
Z
10
T = -25 C
º
A
T = 25 C
º
A
T = 125 C
A
T = 85 C
A
T = 100 C
º
º
º
A
5
Z
V - ZENER VOLTAGE (V)
0
12 5102030
I - ZENER CURRE NT (mA)
Z
40
V = 33.0V
Z
º
T = 100 C
A
35
30
T = -25 C
A
25
Z
V - ZENER VO LTAGE (V)
20
12 5102030
T = 25 C
º
I - ZENER CURRENT (mA)
Z
º
A
12 Zener Voltage vs. Zener Temperature 33 Zener Voltage vs. Zener Temperature
2001 Fairchild Semiconductor Corporation
T = 125 C
º
A
T = 85 C
º
A
BZX85 Series Rev. C
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