Small Signal Diode
BZX85C3V3-BZX85C56
1.3W,5% Tolerance Zener Diode
DO-41 Axial Lead
HERMETICALLY SEALED GLASS
D
Features
Wide zener voltage range selection : 3.3V to 56V
V
Z
Tolerance Selection of ±5%
Designed for through-Hole Device Type Mounting.
Hermetically Sealed Glass.
Pb free version and RoHS compliant
High reliability glass passivation insuring parameter
stability and protection against junction contamination.
C
A
B
Mechanical Data
Case :DO-41 Solder Hot Dip Tin (Sn) lead finish
Lead: Axial leads, solderable per
MIIL-STD-202, Method 2025
Polarity : Indicated by cathode band
Weight : 310 mg
Dimensions
A
B
C
D
Unit (mm)
Min
0.68
3.70
25.40
2.10
Max
0.81
4.25
-
Unit (inch)
Min
Max
0.027 0.032
0.146
0.167
1.000
-
0.102
2.60
0.083
Ordering Information
Part No.
BZX85C3V3-56
BZX85C3V3-56
Package code
A0
R0
Package
DO-41
DO-41
Packing
3Kpcs / Ammo
5Kpcs / 14" Reel
Maximum Ratings and Electrical Characteristics
Rating at 25°C ambient temperature unless otherwise specified.
Type Number
Maximum Ratings
Symbol
P
D
I
F
=10mA
(Note 1)
V
F
RθJA
T
J
, T
STG
Value
1.3
1.2
130
-55 to + 175
Units
W
V
°C/W
°C
Power Dissipation
Forward Voltage
Thermal Resistance (Junction to Ambient)
Junction and Storage Temperature Range
Notes:1. Valid provided that electrodes are kept at ambient temperature
Zener I vs. V Characteristics
Current
I
F
V
ZM
V
Z
V
BR
V
R
I
R
I
ZK
I
ZT
I
ZM
BreakdownRegion
Leakage Region
Forward Region
V
F
Voltage
V
BR
I
ZK
Z
ZK
I
ZT
V
Z
Z
ZT
I
ZM
V
ZM
: Voltage at I
ZK
: Test current for voltage V
BR
: Dynamic impedance at I
ZK
: Test current for voltage V
Z
: Voltage at current I
ZT
: Dynamic impedance at I
ZT
: Maximum steady state current
: Voltage at I
ZM
Version : D11
BZX85C3V3-BZX85C56
1.3W,5% Tolerance Zener Diode
Small Signal Diode
Electrical Characteristics
Ta = 25°C unless otherwise noted
V
F
Forward Voltage = 1.2V Maximum @ I
F
= 200 mA for all part numbers
Part Number
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
Marking
Code
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
Min
3.1
3.4
3.7
4.1
4.5
4.8
5.3
5.9
6.5
7.1
7.8
8.6
9.5
10.5
11.4
12.4
14.3
15.2
17.1
19.0
20.9
22.8
25.7
28.5
31.4
34.2
37.1
40.9
44.7
48.5
53.2
V
Z
@ I
ZT
(Volt)
Nom
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
Max
3.5
3.8
4.1
4.5
4.9
5.4
5.9
6.5
7.1
7.9
8.6
9.6
10.5
11.6
12.6
13.7
15.8
16.8
18.9
21.0
23.1
25.2
28.4
31.5
34.7
37.8
41.0
45.2
49.4
53.6
58.8
I
ZT
(mA)
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
Z
ZT
@
I
ZT
(Ω) Max
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
45
50
90
115
120
I
ZK
(mA)
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
I
R
@ V
R
(μA)
Z
ZK
@
I
ZK
(Ω) Max
Max
400
500
500
500
600
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
40
20
20
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
V
R
(V)
1
1
1
1
1
1.5
2
3
4
4.5
6.2
6.9
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
25
27
30
33
36
39
Notes:
1. The Zener Voltage (V
Z
) is tested under pulse condition of 10ms.
2. The device numbers listed have a standard tolerance on the nominal zener voltage of
±5%.
3. For detailed information on price, availability and delivery of nominal zener voltages between the voltages shown and
tighter voltage tolerances, contact your nearest
Taiwan semiconductor
representative.
4. The zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an rms value
equal to 10% of the DC zener current (I
ZT
or
I
ZK
) is superimposed to
I
ZT
or
I
ZK
.
Version : D11
Small Signal Diode
Rating and Characteristic Curves
BZX85C3V3-BZX85C56
1.3W,5% Tolerance Zener Diode
1.0
1000
PD-Power Passip atio n [W]
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
20
40
60
80
100
120
140
160
180
200
Total Capacitance [pF]
VR = 0V
f = 1MHz
Ta = 25
℃
100
VR = 2V
VR = 5V
VR = 20V
10
VR = 30V
1
0
5
10 15 20 25
30 35 40 45
50 55 60
Temperature [℃]
Figure 1. Power Dissipation vs Ambient Temperature
Valid provided leads at a distance of 0.8mm from case are kept at
ambient temperature
VZ - Reverse Voltage [V]
Figure 2. Total Capacitance
Differential Zener Impedance [Ω]
1000
Iz=1mA
1000
Iz=2mA
Iz=5mA
Iz=10mA
Ta = 25
℃
Forward Current [mA]
Ta = 25
℃
100
100
10
10
1
1
0.1
0
10
20
30
40
VZ - Reverse Voltage [V]
50
60
0.1
0
0.2
0.4
0.6
0.8
VF - Forw ard Voltage [V]
1
1.2
Figure 3. Differential Impedance vs. Zener Voltage
Figure 4. Forward Current vs. Forward Voltage
1000
100
Reverse Current [mA]
Reverse Current [mA]
100
10
Ta = 25
℃
1
10
Ta = 25
℃
1
0.1
0.1
0
3
6
9
VZ - Reverse Voltage [V]
12
15
0.01
10
20
30
40
50
VZ - Reverse Voltage [V]
60
70
Figure 5. Reverse Current vs. Reverse Voltage
Figure 6. Reverse Current vs. Reverse Voltage
Version : D11
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