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DATA SHEET
SEMICONDUCTOR
500 mW DO-35 Hermetically
Sealed Glass Zener Voltage
Regulators
BZX55C/B Series
Absolute Maximum Ratings TA = 25°C unless otherwise noted
Parameter
Value
Units
Power Dissipation
500 mW
Storage Temperature Range
-65 to +175
°C
Operating Junction Temperature
+175
°C
These ratings are limiting values above which the serviceability of the diode may be impaired.
Specification Features:
ƒ Zener Voltage Range 2.0 to 75 Volts
ƒ DO-35 Package (JEDEC)
ƒ Through-Hole Device Type Mounting
ƒ Hermetically Sealed Glass
ƒ Compression Bonded Construction
ƒ All External Surfaces Are Corrosion Resistant And Leads Are Readily Solderable
ƒ RoHS Compliant
ƒ Solder Hot Dip Tin (Sn) Terminal Finish
ƒ Cathode Indicated By Polarity Band
Electrical Characteristics
Device Type
VZ @ IZT
(Volts)
Min Max
BZX55C 2V0 1.88
2.11
BZX55C 2V2 2.08
2.33
BZX55C 2V4 2.28
2.56
BZX55C 2V7 2.51
2.89
BZX55C 3V0
2.8
3.2
BZX55C 3V3
3.1
3.5
BZX55C 3V6
3.4
3.8
BZX55C 3V9
3.7
4.1
BZX55C 4V3
4.0
4.6
BZX55C 4V7
4.4
5.0
BZX55C 5V1
4.8
5.4
BZX55C 5V6
5.2
6.0
BZX55C 6V2
5.8
6.6
BZX55C 6V8
6.4
7.2
BZX55C 7V5
7.0
7.9
BZX55C 8V2
7.7
8.7
BZX55C 9V1
8.5
9.6
BZX55C 10
9.4
10.6
BZX55C 11
10.4
11.6
BZX55C 12
11.4
12.7
BZX55C 13
12.4
14.1
TA = 25°C unless otherwise noted
IZT
(mA)
ZZT @ IZT
(:)
Max
5 100
5 100
5 85
5 85
5 85
5 85
5 85
5 85
5 75
5 60
5 35
5 25
5 10
58
57
57
5 10
5 15
5 20
5 20
5 26
IZK
(mA)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
AXIAL LEAD
DO35
DEVICE MARKING DIAGRAM
55T
xxx
Device Code : BZX55Txxx
T : VZ tolerance B or C
Cathode
Anode
ELECTRICAL SYMBOL
ZZK @ IZK
(:)
Max
600
600
600
600
600
600
600
600
600
600
550
450
200
150
50
50
50
70
70
90
110
IR @ VR
(PA)
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
VR
(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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Electrical Characteristics
Device Type
VZ @ IZT
(Volts)
Min Max
TA = 25°C unless otherwise noted
IZT
(mA)
ZZT @ IZT
(:)
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
VF Forward Voltage = 1.0 V Maximum @ IF = 100 mA for all types
IZK
(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
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
VZ @ IZT
(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
IZT
(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
ZZT @ IZT
(:)
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
IZK
(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
BZX55C/B Series
ZZK @ IZK
(:)
Max
110
170
170
220
220
220
220
220
220
220
500
600
700
700
1000
1000
1000
1000
ZZK @ IZK
(:)
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
IR @ VR
(PA)
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
IR @ VR
(PA)
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
VR
(Volts)
11
12
13
15
16
18
20
22
24
27
28
32
35
38
42
47
51
56
VR
(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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BZX55C/B Series
Electrical Characteristics
Device Type
VZ @ IZT
(Volts)
Min Max
TA = 25°C unless otherwise noted
IZT
(mA)
ZZT @ IZT
(:)
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
VF Forward Voltage = 1.0 V Maximum @ IF = 100 mA for all types
IZK
(mA)
0.5
0.5
0.5
0.5
0.5
ZZK @ IZK
(:)
Max
700
1000
1000
1000
1000
IR @ VR
(PA)
Max
0.1
0.1
0.1
0.1
0.1
VR
(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 (VZ) MEASUREMENT
The zener voltage is measured under pulse conditions such that TJ is no more than 2ć above TA.
4. ZENER IMPEDANCE (ZZ) 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 (IZT) is superimposed to IZT .
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DEVICE CHARACTERISTICS
BZX55C/B Series
Typical Characteristics
600
500
400
300
200
100
0
0 40 80 120
Temperature [ć]
160
200
Figure 1. Power Dissipation vs Ambient Temperature
Valid provided leads at a distance of 0.8mm from case are kept at
ambient temperature
͢͡͡͡
͢͡͡
͢͡
͢
͡
VR = 0V
f = 1MHz
Ta = 25
VR = 2V VR = 5V
VR = 20V
VR = 30V
ͣ͡ ͥ͡ ͧ͡
VZ - Reverse Voltage [V]
ͩ͡
Figure 2. Total Capacitance
1000
100
10
Iz=1mA
Iz=2mA
Iz=5mA
Iz=10mA
Ta = 25ć
1
0.1
1
10
VZ - Reverse Voltage [V]
100
Figure 3. Differential Impedance vs. Zener Voltage
1000
100
Ta = 25ć
10
1
0.1
0
0.2 0.4 0.6 0.8
VF - Forw ard Voltage [m V]
1
1.2
Figure 4. Forward Current vs. Forward Voltage
300
PD = 500mW
250 Ta = 25ć
200
150
100
50
0
0 2 4 6 8 10
VZ - Reverse Voltage [V]
Figure 5. Reverse Current vs. Reverse Voltage
100
PD = 500mW
Ta = 25ć
10
1
0.1
0.01
15
25 35 45 55 65
VZ - Reverse Voltage [V]
75
Figure 6. Reverse Current vs. Reverse Voltage
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PACKAGE OUTLINE & DIMENSIONS
BZX55C/B Series
Package Outline
Package
Case Outline
DO-35
DIM
A
B
C
D
Min
0.46
3.05
25.40
1.53
Millimeters
Max
0.55
5.08
38.10
2.28
DO-35
Min
0.018
0.120
1.000
0.060
Inches
Max
0.022
0.200
1.500
0.090
Notes:
1. All dimensions are within JEDEC standard.
2. DO35 polarity denoted by cathode band.
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