DATA SHEET
SEMICONDUCTOR
BZX55C/B Series
500 mW DO-35 Hermetically
Sealed Glass Zener Voltage
Regulators
Absolute Maximum Ratings
Parameter
Power Dissipation
Storage Temperature Range
Operating Junction Temperature
T
A
= 25°C unless otherwise noted
Value
500
-65 to +175
+175
Units
mW
°C
°C
AXIAL LEAD
DO35
DEVICE MARKING DIAGRAM
These ratings are limiting values above which the serviceability of the diode may be impaired.
55T
xxx
Device Code : BZX55Txxx
T
: VZ tolerance B or C
Specification Features:
Zener Voltage Range 2.0 to 75 Volts
DO-35 Package (JEDEC)
Through-Hole Device Type Mounting
Hermetically Sealed Glass
Compression Bonded Construction
All External Surfaces Are Corrosion Resistant And Leads Are Readily Solderable
RoHS Compliant
Solder Hot Dip Tin (Sn) Terminal Finish
Cathode Indicated By Polarity Band
Cathode
Anode
ELECTRICAL SYMBOL
Electrical Characteristics
Device Type
BZX55C 2V0
BZX55C 2V2
BZX55C 2V4
BZX55C 2V7
BZX55C 3V0
BZX55C 3V3
BZX55C 3V6
BZX55C 3V9
BZX55C 4V3
BZX55C 4V7
BZX55C 5V1
BZX55C 5V6
BZX55C 6V2
BZX55C 6V8
BZX55C 7V5
BZX55C 8V2
BZX55C 9V1
BZX55C 10
BZX55C 11
BZX55C 12
BZX55C 13
V
Z
@ I
ZT
(Volts)
Min
Max
1.88
2.11
2.08
2.33
2.28
2.56
2.51
2.89
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
T
A
= 25°C unless otherwise noted
Z
ZT
@ I
ZT
I
ZT
( )
(mA)
Max
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
100
100
85
85
85
85
85
85
75
60
35
25
10
8
7
7
10
15
20
20
26
I
ZK
(mA)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Z
ZK
@ I
ZK
( )
Max
600
600
600
600
600
600
600
600
600
600
550
450
200
150
50
50
50
70
70
90
110
I
R
@ V
R
( A)
Max
100
100
50
10
4
2
2
2
1
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
R
(Volts)
1
1
1
1
1
1
1
1
1
1
1
1
2
3
5
6.2
6.8
7.5
8.2
9.1
10
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1
REV.02 20121003
BZX55C/B Series
Electrical Characteristics
Device Type
V
Z
@ I
ZT
(Volts)
Min
Max
BZX55C 15
13.8
15.6
5
30
BZX55C 16
15.3
17.1
5
40
BZX55C 18
16.8
19.1
5
50
BZX55C 20
18.8
21.1
5
55
BZX55C 22
20.8
23.3
5
55
BZX55C 24
22.8
25.6
5
80
BZX55C 27
25.1
28.9
5
80
BZX55C 30
28
32
5
80
BZX55C 33
31
35
5
80
BZX55C 36
34
38
5
80
BZX55C 39
37
41
2.5
90
BZX55C 43
40
46
2.5
90
BZX55C 47
44
50
2.5
110
BZX55C 51
48
54
2.5
125
BZX55C 56
52
60
2.5
135
BZX55C 62
58
66
2.5
150
BZX55C 68
64
72
2.5
160
BZX55C 75
70
80
2.5
170
V
F
Forward Voltage = 1.0 V Maximum @
I
F
= 100 mA for all types
V
Z
@ I
ZT
(Volts)
Min
Max
2.35
2.45
2.65
2.75
2.94
3.06
3.23
3.37
3.53
3.67
3.82
3.98
4.21
4.39
4.61
4.79
5.00
5.20
5.49
5.71
6.08
6.32
6.66
6.94
7.33
7.63
8.04
8.36
8.92
9.28
9.80
10.20
10.78
11.22
11.76
12.24
12.74
13.26
14.70
15.30
15.68
16.32
17.64
18.36
19.60
20.40
21.56
22.44
23.52
24.48
26.46
27.54
29.40
30.60
32.34
33.66
35.28
36.72
38.22
39.78
42.14
43.86
46.06
47.94
I
ZT
(mA)
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
2.5
2.5
2.5
T
A
= 25°C unless otherwise noted
Z
ZT
@ I
ZT
I
ZT
( )
(mA)
Max
I
ZK
(mA)
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
Z
ZK
@ I
ZK
( )
Max
110
170
170
220
220
220
220
220
220
220
500
600
700
700
1000
1000
1000
1000
I
R
@ V
R
( A)
Max
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
R
(Volts)
11
12
13
15
16
18
20
22
24
27
28
32
35
38
42
47
51
56
Device Type
BZX55B 2V4
BZX55B 2V7
BZX55B 3V0
BZX55B 3V3
BZX55B 3V6
BZX55B 3V9
BZX55B 4V3
BZX55B 4V7
BZX55B 5V1
BZX55B 5V6
BZX55B 6V2
BZX55B 6V8
BZX55B 7V5
BZX55B 8V2
BZX55B 9V1
BZX55B 10
BZX55B 11
BZX55B 12
BZX55B 13
BZX55B 15
BZX55B 16
BZX55B 18
BZX55B 20
BZX55B 22
BZX55B 24
BZX55B 27
BZX55B 30
BZX55B 33
BZX55B 36
BZX55B 39
BZX55B 43
BZX55B 47
Z
ZT
@ I
ZT
( )
Max
85
85
85
85
85
85
75
60
35
25
10
8
7
7
10
15
20
20
26
30
40
50
55
55
80
80
80
80
80
90
90
110
I
ZK
(mA)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0.5
0.5
0.5
Z
ZK
@ I
ZK
( )
Max
600
600
600
600
600
600
600
600
550
450
200
150
50
50
50
70
70
90
110
110
170
170
220
220
220
220
220
220
220
500
600
700
I
R
@ V
R
( A)
Max
50
10
4
2
2
2
1
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
R
(Volts)
1
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
28
32
35
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2
REV.02 20121003
BZX55C/B Series
Electrical Characteristics
Device Type
V
Z
@ I
ZT
(Volts)
Min
Max
BZX55B 51
49.98
52.02
2.5
125
BZX55B 56
54.88
57.12
2.5
135
BZX55B 62
60.76
63.24
2.5
150
BZX55B 68
66.64
69.36
2.5
160
BZX55B 75
73.50
76.50
2.5
170
V
F
Forward Voltage = 1.0 V Maximum @
I
F
= 100 mA for all types
T
A
= 25°C unless otherwise noted
Z
ZT
@ I
ZT
I
ZT
( )
(mA)
Max
I
ZK
(mA)
0.5
0.5
0.5
0.5
0.5
Z
ZK
@ I
ZK
( )
Max
700
1000
1000
1000
1000
I
R
@ V
R
( A)
Max
0.1
0.1
0.1
0.1
0.1
V
R
(Volts)
38
42
47
51
56
Notes:
1. TOLERANCE AND VOLTAGE DESIGNATION
The type numbers listed have zener voltage as shown.
2. SPECIALS AVAILABLE INCLUDE
Nominal zener voltages between the voltages shown and tighter voltage, for detailed information on price, availability and delivery,
contact you nearest Tak Cheong representative.
3. ZENER VOLTAGE (V
Z
) MEASUREMENT
The zener voltage is measured under pulse conditions such that T
J
is no more than 2 above T
A
.
4. ZENER IMPEDANCE (Z
Z
) DERIVATION
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
) is superimposed to
I
ZT
.
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3
REV.02 20121003
DEVICE CHARACTERISTICS
BZX55C/B Series
Typical Characteristics
600
PD-Power Passipation [mW]
500
400
300
200
100
Total Capacitance [pF]
f = 1MHz
Ta = 25
VR = 0V
VR = 2V
VR = 5V
VR = 20V
VR = 30V
0
0
40
80
120
160
200
Temperature [
]
VZ - Reverse Voltage [V]
Figure 1. Power Dissipation vs Ambient Temperature
Valid provided leads at a distance of 0.8mm from case are kept at
ambient temperature
Figure 2. Total Capacitance
Differential Zener Impedance [ ]
1000
1000
Iz=1mA
Iz=2mA
Ta = 25
Forward Current [mA]
100
Ta = 25
100
Iz=5mA
Iz=10mA
10
10
1
1
0.1
1
10
VZ - Reverse Voltage [V]
100
0.1
0
0.2
0.4
0.6
0.8
VF - Forw ard Voltage [m V]
1
1.2
Figure 3. Differential Impedance vs. Zener Voltage
Figure 4. Forward Current vs. Forward Voltage
300
250
Reverse Current [mA]
200
150
100
50
0
0
2
4
6
VZ - Reverse Voltage [V]
8
10
PD = 500mW
Ta = 25
Reverse Current [mA]
100
PD = 500mW
Ta = 25
10
1
0.1
0.01
15
25
35
45
55
65
VZ - Reverse Voltage [V]
75
Figure 5. Reverse Current vs. Reverse Voltage
Figure 6. Reverse Current vs. Reverse Voltage
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REV.02 20121003
PACKAGE OUTLINE & DIMENSIONS
BZX55C/B Series
Package Outline
Package
Case Outline
DO-35
DIM
Min
A
B
C
D
0.46
3.05
25.40
1.53
Millimeters
Max
0.55
5.08
38.10
2.28
DO-35
Inches
Min
0.018
0.120
1.000
0.060
Max
0.022
0.200
1.500
0.090
Notes:
1.
2.
All dimensions are within JEDEC standard.
DO35 polarity denoted by cathode band.
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REV.02 20121003
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