BZX85C(B)2V7
THRU
ZENER DIODES
BZX85C(B)75
DO-41
Standard Zener voltage tolerance is 5% AND
SUFFIX "BZX84B" FOR 2%
SUFFIX "BZX84C" FOR 5%
SILICON PLANAR POWER ZENER DIODE
For use in stabilizing and dipping circuits with
high power rating
0.205(5.20)
0.166(4.20)
0.107(2.70)
0.080(2.00)
1.00(25.4)
MIN
Case: DO-41 Glass Cases
Weige: 0.35grams( approx )
0.034(0.86)
0.028(0.71)
1.00(25.4)
MIN
Characteristic
Power Dissipation at Tamb=25
Tremal Resistance Junction to Ambient Air
Maximum instantaneous forward voltage drop
at IF=200 mADC
Junction temperature
Storage temperature range
Symbol
P
tot
R
th
J-A
Value
Units
W
K/W
Volts
1.3
1)
1101)
1.5
175
-65 to+175
VF
T
J
Tstg
1) Vaild provided that leads at a distance of 10mm from case are kept at ambient temperature
RATINGS AND CHARACTERISTIC BZX85C(B)2V7 THRU BX85C(B)75
W
1.5
1.20
FIG.1-ADMISSIBLE POWER DISSIPATION
FIG.2-BREAKDOWN CHARACTERISTICS
240
200
Iz(mA)
C3V9
P
tot
0.9
0.6
160
120
80
C4V7
C5V6
C6V8
C8V2
C10
T
j
=25
C12
0.3
0
0
25
50
75
100
125
150
175
200
AMBIENT TEMPERATURE ( )
40
0
0
2
4
6
8
Vz(v)
10
12
14
16
60
50
Iz(mA)
FIG.3-BREAKDOWN CHARACTERISTICS
C15
C18
C22
C27
T
j
=25
1000
500
FIG.4-DYNAMIC RESISTANCE
C5V1
C4V3
C12
40
30
20
10
0
10
15
1
20 1
Rzj( )
C33
100 C18
C39
50
C47
10
5
C6V2
C10
C7V5
57
25
30
Vz(v)
35
40
45
50
10
57
100
Iz,ZENER CURENT(mA)
100
7
5
FIG.5-DYNAMIC RESISTANCE
1000
5
FIG.6-PULSE THERMAL RESISTANCE
0.0.5
Rzj( )
Rzj( )
C43
10
7
5
100
5
0.02
0.5
0.2
V=0
C36
C30
C24
C22
C18
1
5
10 0.1
5
1
0.01
10
5
100
1
-5
10
10
-4
10
-3
10
-5
10
-1
1
10
T
P
,PLUSE(S)
2
RATINGS AND CHARACTERISTIC BZX84C(B)2V4T1 THRU BX84C(B)75T1
W
0.25
0.20
FIG1-CHANGE IN THE POWER DISSIPATION DUE
TO THE AMBIENT TEMPERATURE
FIG2-TYPICAL FORWORD CHARACTERISICS
10
1
T =100
J
P
tot
0.15
.1
0.1
0.05
0
0
25
50
75
100
125
150
175
200
AMBIENT TEMPERATURE ( )
FIG3-TYPICAL LEAKAGE CURRENT
FIG4-ZENER VOLTAGE
.01
T =25
J
.001
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
100
10
I
R
,LEAKAGE CURRENT ( uA )
100
T
A
=25
10
1
150
.1
.01
.001
25
I
Z
,ZENER CURRENT ( mA )
1
.1
.01
.0001
.00001
0
10
20
30
40
50
60
70
80
90
0
2
4
6
8
10
12
30
50
70
90
V
Z
,NOMINAL ZENER VOLTAGE ( V )
V
Z
,ZENER VOLTAGE ( V )
100
)
5
4
3
2
FIG5-DYNAMIC RESISTANCE
1000
T =25
J
C33
C27
C22
C18
C15
C12
C10
C6.8/8.2
C62
5
4
3
2
)
FIG5-DYNAMIC RESISTANCE
T =25
J
Z
Z
T,DYNAMIC RESISTANCE (
Z
Z
T,DYNAMIC RESISTANCE (
100
5
4
3
2
10
5
4
3
2
10
5
4
3
2
C27
C3.6
C4.7
C27
C5.1
C5.6
1
0.1
2
5
1
0.1
2
5
1
2
5
10
2
5
100
1
2
5
10
2
5
100
I
Z
,ZENER CURRENT ( mA )
I
Z
,ZENER CURRENT ( mA )
1000
)
5
4
3
2
FIG8-DYNAMIC RESISTANCE
T =25
J
Z
Z
T,DYNAMIC RESISTANCE (
100
5
4
3
2
C47+51
C43
C39
C36
10
0.1
2
3
4 5
1
2
3
4 5
10
I
Z
,ZENER CURRENT ( mA )
3
RATINGS AND CHARACTERISTIC BZX85C(B)2V4 THRU BX85C(B)75
TABLE 1
Device
Type
Nominal
Zener
Voltage
Vz at IzT1
Volts
BZX85C2V7
BZX85C3V0
BZX85C3V3
BZX85C3V6
BZX85C3V9
BZX85C4V3
BZX85C4V7
BZX85C5V1
BZX85C5V6
BZX85C6V2
BZX85C6V8
BZX85C7V5
BZX85C8V2
BZX85C9V1
BZX85C10
BZX85C11
BZX85C12
BZX85C13
BZX85C15
BZX85C16
BZX85C18
BZX85C20
BZX85C22
BZX85C24
BZX85C27
BZX85C30
BZX85C33
BZX85C36
BZX85C39
BZX85C43
BZX85C47
BZX85C51
BZX85C56
BZX85C62
BZX85C68
BZX85C75
2.5-2.9
2.8-3.2
3.1-3.5
3.4-3.8
3.7-4.1
4.0-4.6
4.4-5.0
4.8-5.4
5.2-6.0
5.8-6.6
6.4-7.2
7.0-7.9
7.7-8.7
8.5-9.6
9.4-10.6
10.4-11.6
11.4-12.7
12.4-14.1
13.8-15.6
15.3-17.1
16.8-19.1
18.8-21.2
20.8-23.3
22.8-25.6
25.1-28.9
28-32
31-35
34-38
37-41
40-46
44-50
48-54
52-60
58-66
64-72
70-79
80
80
80
60
60
50
45
45
45
35
35
35
25
25
25
20
20
20
15
15
15
10
10
10
8
8
8
8
6
6
4
4
4
4
4
4
<20
<20
<20
<60
<60
<50
<45
<45
<45
<35
<35
<35
<25
<25
<25
<20
<20
<20
<15
<15
<20
<24
<25
<25
<30
<30
<35
<40
<50
<50
<90
<115
<120
<125
<130
<135
<400
<400
<400
<500
<500
<500
<600
<500
<400
<300
<300
<200
<200
<200
<200
<300
<300
<4000
<500
<500
<500
<600
<600
<600
<750
<1000
<1000
<1000
<1000
<1000
<1500
<1500
<2000
<2000
<2000
<2000
1.0
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
0.5
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Test
Current
IzT1/
f=1KHZ
Dynamic
Resistance
R
z
j at I
Z
T1
Dynamic
Resistance
R
Z
j at I
Z
T2
Test
Current
IzT2
Maximum Reverse
Leakage Current
IR
A
150
100
At
VR
Volts
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
5.0
6.2
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
Vz
Volts
2.7
3.0
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
36
39
43
47
51
56
62
68
75
Temp. Coeff.
Of Zener
current
at Iz= Iz
T1
Vz% /K
-0.09~-0.06
-0.08~-0.05
-0.08~-0.05
-0.08~-0.05
-0.08~-0.05
-0.06~-0.03
-0.05~+0.02
-0.01~+0.04
-0.05~+0.05
+0.03~+0.06
+0.03~+0.07
+0.03~+0.07
+0.03~+0.08
+0.03~+0.09
+0.03~+0.10
+0.03~+0.11
+0.03~+0.11
+0.03~+0.11
+0.03~+0.11
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
+0.04~+0.12
40
20
10
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
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
4
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