● BZX55B Small Signal Zener Diode --Topdiode
BZX55B Small Signal Zener Diode is a special type of diode designed to reliably allow current to flow "backwards" when a certain set reverse voltage, known as the Zener voltage, is reached.
● BZX55B Small Signal Zener Diode Introduction
BZX55B Small Signal Zener Diode is also know as Silicon Epitaxial Planar Z-Diode. It is a 500mW Zener Voltage Regulators, tight tolerance 2%. It includes 39 voltages breakdown from 2.0V to 75V. Offer both DO-35 & DO-34 case.
● BZX55B Small Signal Zener Diode Features
* Very sharp reverse characteristic
* Low reverse current level
* Low noise
* Very high stability
* Tighter tolerances±2%
● BZX55B Small Signal Zener Diode Applications
* Voltage stabilization
● BZX55B Small Signal Zener Diode Qualification, Lead time, Shipping Terms
* RoHS Compliant
* REACH Compliant
* Ex-work, FCA , or FOB
●
● BZX55B Small Signal Zener Diode Outlines and External Dimensions
● BZX55B Small Signal Zener Diode Maximum Ratings
Absolute Maximum Ratings (Ta = 25 OC)
|
Parameter
|
Symbol
|
Value
|
Unit
|
|
Power Dissipation
|
Ptot
|
5001)
|
mW
|
|
Junction Temperature
|
Tj
|
175
|
OC
|
|
Storage Temperature Range
|
Tstg
|
- 55 to + 175
|
OC
|
|
1)Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
|
Characteristics at Ta = 25 OC
|
Parameter
|
Symbol
|
Max.
|
Unit
|
|
Thermal Resistance Junction to Ambient Air
|
RθJA
|
0.31)
|
K/mW
|
|
Forward Voltage at IF= 100 mA
|
VF
|
1
|
V
|
|
1)Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
|
● BZX55B Small Signal Zener Diode Electrical Characteristics
BZX55B
|
Type
|
Zener Voltage Range1)
|
Dynamic Resistance
|
Reverse Leakage Current
|
Temp. Coefficient of Zener Voltage
|
|
Vznom
|
VZT
|
at IZT
|
ZZT
|
ZZK
|
at IZK
|
Ta=25OC
|
Ta=125OC
|
IRat VR
|
|
(V)
|
(V)
|
(mA)
|
Max. (Ω)
|
Max. (Ω)
|
(mA)
|
Max. (µA)
|
Max. (µA)
|
(V)
|
TKvz (%/K)
|
|
BZX55B2V0
|
2
|
1.96…2.04
|
5
|
85
|
600
|
1
|
100
|
200
|
1
|
-0.09...-0.06
|
|
BZX55B2V2
|
2.2
|
2.16…2.24
|
5
|
85
|
600
|
1
|
75
|
160
|
1
|
-0.09...-0.06
|
|
BZX55B2V4
|
2.4
|
2.35…2.45
|
5
|
85
|
600
|
1
|
50
|
100
|
1
|
-0.09...-0.06
|
|
BZX55B2V7
|
2.7
|
2.65…2.75
|
5
|
85
|
600
|
1
|
10
|
50
|
1
|
-0.09...-0.06
|
|
BZX55B3V0
|
3
|
2.94…3.06
|
5
|
85
|
600
|
1
|
4
|
40
|
1
|
-0.08...-0.05
|
|
BZX55B3V3
|
3.3
|
3.23…3.37
|
5
|
85
|
600
|
1
|
2
|
40
|
1
|
-0.08...-0.05
|
|
BZX55B3V6
|
3.6
|
3.53…3.67
|
5
|
85
|
600
|
1
|
2
|
40
|
1
|
-0.08...-0.05
|
|
BZX55B3V9
|
3.9
|
3.82…3.98
|
5
|
85
|
600
|
1
|
2
|
40
|
1
|
-0.08...-0.05
|
|
BZX55B4V3
|
4.3
|
4.21…4.39
|
5
|
75
|
600
|
1
|
1
|
20
|
1
|
-0.06...-0.03
|
|
BZX55B4V7
|
4.7
|
4.61…4.79
|
5
|
60
|
600
|
1
|
0.5
|
10
|
1
|
-0.05...+0.02
|
|
BZX55B5V1
|
5.1
|
5…5.2
|
5
|
35
|
550
|
1
|
0.1
|
2
|
1
|
-0.02…+0.02
|
|
BZX55B5V6
|
5.6
|
5.49…5.71
|
5
|
25
|
450
|
1
|
0.1
|
2
|
1
|
-0.05…+0.05
|
|
BZX55B6V2
|
6.2
|
6.08…6.32
|
5
|
10
|
200
|
1
|
0.1
|
2
|
2
|
0.03…0.06
|
|
BZX55B6V8
|
6.8
|
6.66…6.94
|
5
|
8
|
150
|
1
|
0.1
|
2
|
3
|
0.03…0.07
|
|
BZX55B7V5
|
7.5
|
7.35…7.65
|
5
|
7
|
50
|
1
|
0.1
|
2
|
5
|
0.03…0.07
|
|
BZX55B8V2
|
8.2
|
8.04…8.36
|
5
|
7
|
50
|
1
|
0.1
|
2
|
6.2
|
0.03…0.08
|
|
BZX55B9V1
|
9.1
|
8.92…9.28
|
5
|
10
|
50
|
1
|
0.1
|
2
|
6.8
|
0.03…0.09
|
|
BZX55B10
|
10
|
9.8…10.2
|
5
|
15
|
70
|
1
|
0.1
|
2
|
7.5
|
0.03…0.1
|
|
BZX55B11
|
11
|
10.78…11.22
|
5
|
20
|
70
|
1
|
0.1
|
2
|
8.2
|
0.03…0.11
|
|
BZX55B12
|
12
|
11.76…12.24
|
5
|
20
|
90
|
1
|
0.1
|
2
|
9.1
|
0.03…0.11
|
|
BZX55B13
|
13
|
12.74…13.26
|
5
|
26
|
110
|
1
|
0.1
|
2
|
10
|
0.03…0.11
|
|
BZX55B15
|
15
|
14.7…15.3
|
5
|
30
|
110
|
1
|
0.1
|
2
|
11
|
0.03…0.11
|
|
BZX55B16
|
16
|
15.68…16.32
|
5
|
40
|
170
|
1
|
0.1
|
2
|
12
|
0.03…0.11
|
|
BZX55B18
|
18
|
17.64…18.36
|
5
|
50
|
170
|
1
|
0.1
|
2
|
13
|
0.03…0.11
|
|
BZX55B20
|
20
|
19.6…20.4
|
5
|
55
|
220
|
1
|
0.1
|
2
|
15
|
0.03…0.11
|
|
BZX55B22
|
22
|
21.56…22.44
|
5
|
55
|
220
|
1
|
0.1
|
2
|
16
|
0.04…0.12
|
|
BZX55B24
|
24
|
23.52…24.48
|
5
|
80
|
220
|
1
|
0.1
|
2
|
18
|
0.04…0.12
|
|
BZX55B27
|
27
|
26.46…27.54
|
5
|
80
|
220
|
1
|
0.1
|
2
|
20
|
0.04…0.12
|
|
BZX55B30
|
30
|
29.4…30.6
|
5
|
80
|
220
|
1
|
0.1
|
2
|
22
|
0.04…0.12
|
|
BZX55B33
|
33
|
32.34…33.66
|
5
|
80
|
220
|
1
|
0.1
|
2
|
24
|
0.04…0.12
|
|
BZX55B36
|
36
|
35.28…36.72
|
5
|
80
|
220
|
1
|
0.1
|
2
|
27
|
0.04…0.12
|
|
BZX55B39
|
39
|
38.22…39.78
|
2.5
|
90
|
500
|
0.5
|
0.1
|
5
|
30
|
0.04…0.12
|
|
BZX55B43
|
43
|
42.14…43.86
|
2.5
|
90
|
500
|
0.5
|
0.1
|
5
|
33
|
0.04…0.12
|
|
BZX55B47
|
47
|
46.06…47.94
|
2.5
|
110
|
600
|
0.5
|
0.1
|
5
|
36
|
0.04…0.12
|
|
BZX55B51
|
51
|
49.98…52.02
|
2.5
|
125
|
700
|
0.5
|
0.1
|
10
|
39
|
0.04…0.12
|
|
BZX55B56
|
56
|
54.88…57.12
|
2.5
|
135
|
700
|
0.5
|
0.1
|
10
|
43
|
0.04...0.12
|
|
BZX55B62
|
62
|
60.76…63.24
|
2.5
|
150
|
1000
|
0.5
|
0.1
|
10
|
47
|
0.04...0.12
|
|
BZX55B68
|
68
|
66.64…69.36
|
2.5
|
200
|
1000
|
0.5
|
0.1
|
10
|
51
|
0.04...0.12
|
|
BZX55B75
|
75
|
73.5…76.5
|
2.5
|
250
|
1000
|
0.5
|
0.1
|
10
|
56
|
0.04...0.12
|
* 4-6 weeks, regular stock available
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