WEITRON BZX85C

BZX85C Series
Axial Lead Zener Diodes
SMALL SIGNAL
ZENER DIODES
1.3 WATTS
P b Lead(Pb)-Free
Features:
* High Rliability
* Very Sharp Reverse Characteristic
* Low Reverse Current Level
* VZ-Tolerance ± 2%
DO-41
Mechanical Data:
* Voltage stabilization
* Case : DO-41 Glass Case
* Weight : Approx 0.33 gram
DO-41 Outline Dimensions
Unit:mm
C
D
A
DIM
Min
DO-41
26.0
WEITRON
http//www.weitron.com.tw
A
B
A
B
Max
-
Min
-
C
Max
4.50
1/4
Min
-
D
Max
0.85
Min
-
Max
2.7
12-Sep-06
BZX85C Series
Maximum Ratings and Electrical Characteristics (TA=25°C Unless Otherwise Noted)
Parameter
Power dissipation
I=4mmT L ≤ 25°C
Junction ambient
I=4mm, TL=constant
Junction temperature
Storage temperature range
Symbol
Value
Unit
PV
1.3
W
RθJA
110
K/W
Tj
175
°C
T stg
-65~+175
°C
Electrical Characteristics
Parameter
Forward voltage
WEITRON
http//www.weitron.com.tw
I F=200mA
Symbol
Min
Typ
Max
Unit
VF
-
-
1.0
V
2/4
12-Sep-06
BZX85C Series
Type
BZX85C
2V7
3V0
3V3
3V6
3V9
4V3
4V7
5V1
5V6
6V2
6V8
7V5
8V2
9V1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
1)
VZnom
V
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
IZT
mA
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
for VZT and
r zjT
1)
Ω
<20
<20
<20
<20
<15
<13
<13
<10
<7
<4
<3.5
<3
<5
<5
<7
<8
<9
<10
<15
<15
<20
<24
<25
<25
<30
<30
<35
<40
<50
<50
<90
<115
<120
<125
<130
<135
V
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
rzjK @ I ZK
Ω
<400
<400
<400
<500
<500
<500
<500
<500
<400
<300
<300
<200
<200
<200
<200
<300
<350
<400
<500
<500
<500
<600
<600
<600
<750
<1000
<1000
<1000
<1000
<1000
<1500
<1500
<2000
<2000
<2000
<2000
mA
1
1
1
1
1
1
1
1
1
1
1
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
IR
μA
<150
<100
<40
<20
<10
<3
<3
<1
<1
<1
<1
<1
<1
<1
<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
@
VR
V
1
1
1
1
1
1
1
1
1
2
3
5
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
TKVZ
%/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
-0.02~+0.02
-0.05~+0.05
0.03~0.06
0.03~0.07
0.03~0.07
0.03~0.08
0.03~0.09
0.03~0.1
0.03~0.11
0.03~0.11
0.03~0.11
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
Tighter tolerances available request:
BZX85B… ±2% of VZnom
WEITRON
http//www.weitron.com.tw
3/4
12-Sep-06
BZX85C Series
Ambient (K/W)
RthJA – Therm. Resist. Junction/
Ptot –Total Power Dissipation (W)
Characteristics (Tj=25℃ unless otherwise specified)
l – Lead Length (mm)
Tamb – Ambient Temperature(℃)
Figure2. Thermal Resistance vs. Lead Length
Figure1.Total Power Dissipation vs. Ambient
VR=0V
VR=2V
VR=5V
VR=20V
VR=30V
rz –Differential Z-Resistance (Ω)
CD –Diode Capacitance (pF)
Temperature
Vz-Z-Voltage (V)
Vz-Z-Voltage (V)
Figure4.Differential Z-Resistance vs.Z-Voltage
Pulse Cond. (K/W)
Zthp – Thermal Resistance for
Figure3. Diode Capacitance vs. Z-Voltage
Figure5. Thermal Response
WEITRON
http//www.weitron.com.tw
tp –Pulse Length (ms)
4/4
12-Sep-06