BZT55B2V4 - BZT55B75
Taiwan Semiconductor
500mW 2% Zener Diodes
FEATURES
KEY PARAMETERS
●
●
●
●
Wide zener voltage range selection: 2.4V to 75V
VZ Tolerance Selection of ± 2%
Surface device type mountin
Compliant to RoHS directive 2011/65/EU and
in accordance to WEEE 2002/96/EC
● Halogen-free according to IEC 61249-2-21
PARAMETER
VALUE
UNIT
VZ
2.4-75
V
Test current IZT
5
mA
Ptot
500
mW
VF at IF=10mA
1
V
TJ Max.
175
°C
APPLICATIONS
●
●
●
●
Low voltage stabilzers or voltage references
Adapters
Lighting application
On-board DC/DC converter
Package
LS34
Configuration
Single dice
MECHANICAL DATA
● Case: Mini-MELF (Glass Seal)
● Packing code with suffix "G" means green compound
(halogen-free)
● Terminal: Matte tin plated leads, solderable per J-STD-002
● Polarity: Indicated by cathode band
● Weight: 29 ± 2.5mg (approximately)
ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise noted)
PARAMETER
Forward voltage @ IF=10mA
SYMBOL
PART NUMBER
UNIT
VF
1
V
Total power dissipation
Ptot
500
mW
Junction temperature range
TJ
-65 to +175
°C
Storage temperature range
TSTG
-65 to +175
°C
SYMBOL
LIMIT
UNIT
RӨJA
500
°C/W
THERMAL PERFORMANCE
PARAMETER
Junction-to-ambient thermal resistance
1
Version:H1610
BZT55B2V4 - BZT55B75
Taiwan Semiconductor
ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted)
ZENER VOLTAGE
PART
NUMBER
Min.
TEST
REGULAR
TEST
CURRENT
IMPEDANCE
CURRENT
VZ @ IZT
IZT
ZZT @ IZT
ZZK @ IZK
IZK
V
mA
Ω
Ω
mA
LEAKAGE CURRENT
IR @ VR
µA
V
Nom.
Max.
Max.
Max.
BZT55B2V4
2.35
2.4
2.45
5
85
600
1.0
50
1
BZT55B2V7
2.65
2.7
2.75
5
85
600
1.0
10
1
BZT55B3V0
2.94
3.0
3.06
5
85
600
1.0
4
1
BZT55B3V3
3.23
3.3
3.37
5
85
600
1.0
2
1
BZT55B3V6
3.53
3.6
3.67
5
85
600
1.0
2
1
BZT55B3V9
3.82
3.9
3.98
5
85
600
1.0
2
1
BZT55B4V3
4.21
4.3
4.39
5
75
600
1.0
1
1
BZT55B4V7
4.61
4.7
4.79
5
60
600
1.0
0.5
1
BZT55B5V1
5.00
5.1
5.20
5
35
550
1.0
0.1
1
BZT55B5V6
5..49
5.6
5.71
5
25
450
1.0
0.1
1
BZT55B6V2
6.08
6.2
6.32
5
10
200
1.0
0.1
2
BZT55B6V8
6.66
6.8
6.94
5
8
150
1.0
0.1
3
BZT55B7V5
7.35
7.5
7.65
5
7
50
1.0
0.1
5
BZT55B8V2
8.04
8.2
8.36
5
7
50
1.0
0.1
6.2
BZT55B9V1
8.92
9.1
9.28
5
10
50
1.0
0.1
6.8
BZT55B10
9.80
10.0
10.20
5
15
70
1.0
0.1
7.5
BZT55B11
10.78
11.0
11.22
5
20
70
1.0
0.1
8.2
BZT55B12
11.76
12.0
12.24
5
20
90
1.0
0.1
9.1
BZT55B13
12.74
13.0
13.26
5
26
110
1.0
0.1
10
BZT55B15
14.70
15.0
15.30
5
30
110
1.0
0.1
11
BZT55B16
15.68
16.0
16.32
5
40
170
1.0
0.1
12
BZT55B18
17.64
18.0
18.36
5
50
170
1.0
0.1
13
BZT55B20
19.60
20.0
20.40
5
55
220
1.0
0.1
15
BZT55B22
21.56
22.0
22.44
5
55
220
1.0
0.1
16
BZT55B24
23.52
24.0
24.48
5
80
220
1.0
0.1
18
BZT55B27
26.46
27.0
27.54
5
80
220
1.0
0.1
20
BZT55B30
29.40
30.0
30.60
5
80
220
1.0
0.1
22
BZT55B33
32.34
33.0
33.66
5
80
220
1.0
0.1
24
BZT55B36
35.28
36.0
36.72
5
80
220
1.0
0.1
27
BZT55B39
38.22
39.0
39.78
2.5
90
500
0.5
0.1
28
BZT55B43
42.14
43.0
43.86
2.5
90
600
0.5
0.1
32
BZT55B47
46.06
47.0
47.94
2.5
110
700
0.5
0.1
35
BZT55B51
49.98
51.0
52.02
2.5
125
700
0.5
0.1
38
BZT55B56
54.88
56.0
57.12
2.5
135
1000
0.5
0.1
42
BZT55B62
60.76
62.0
63.24
2.5
150
1000
0.5
0.1
47
BZT55B68
66.64
68.0
69.36
2.5
160
1000
0.5
0.1
51
BZT55B75
73.50
75.0
76.50
2.5
170
1000
0.5
0.1
56
2
Max.
Version:H1610
BZT55B2V4 - BZT55B75
Taiwan Semiconductor
Notes:
1. The Zener Voltage (VZ) is tested under pulse condition of 10ms
2. The device numbers listed have a standard tolerance on the nomial zener voltage of ±2%
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(IZT or IZK) is superimposed to IZT or IZK
ORDERING INFORMATION
PART NO.
PACKING
PACKING CODE
CODE
SUFFIX
BZT55BXXX
L0
(Note 1&2)
L1
G
PACKAGE
Mini-MELF
(Glass Seal)
PACKING
10K / 13" Reel
2.5K / 7" Reel
Notes:
1. "xxx" defines voltage from 2.4V (BZT55B2V4) to 75V (BZT55B75)
2. Whole series with green compound
EXAMPLE
EXAMPLE P/N
PART NO.
PACKING CODE
BZT55B2V4 L0G
BZT55B2V4
L0
PACKING CODE
SUFFIX
G
3
DESCRIPTION
Green compound
Version:H1610
BZT55B2V4 - BZT55B75
Taiwan Semiconductor
CHARACTERISTICS CURVES
(TA = 25°C unless otherwise noted)
Fig. 1 Typical Forward Characteristics
Fig. 2 Zener Breakdown Characteristics
100
TA=25oC
Zener Current (mA)
Forward Current (mA)
1000
100
10
TA=25oC
10
1
0.1
1
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
0.01
1.2
0
1
2
3
4
5
6
7
8
9
10
11
12
Zener Voltage (V)
Forward Voltage (V)
Fig. 3 Zener Breakdown Characteristics
Fig. 4 Admissible Power Dissipation Curve
600
100
500
Power Dissipation (mW)
Zener Current (mA)
10
1
0.1
400
300
200
100
0
0.01
10
20
30
40
50
60
70
0
80
40
80
120
160
200
Ambient Temperature (oC)
Zener Voltage (V)
4
Version:H1610
BZT55B2V4 - BZT55B75
Taiwan Semiconductor
CHARACTERISTICS CURVES
(TA = 25°C unless otherwise noted)
Fig. 5 Typical Capacitance
Fig. 6 Effect of Zener Voltage on Impedence
1000
Dynamic Impedence(Ohm)
Capacitance (pF)
1000
100
10
100
10
IZ=5mA
IZ=20mA
1
1
1
10
1
100
10
100
Zener Voltage (V)
Zener Voltage (V)
5
Version:H1610
BZT55B2V4 - BZT55B75
Taiwan Semiconductor
PACKAGE OUTLINE DIMENSION
LS34
DIM.
C
Unit(mm)
Unit(inch)
Min
Max
Min
Max
A
3.30
3.70
0.130
0.146
B
1.40
1.60
0.055
0.063
C
0.20
0.50
0.008
0.020
B
A
6
Version:H1610
BZT55B2V4 - BZT55B75
Taiwan Semiconductor
Notice
Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf,
assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, to
any intellectual property rights is granted by this document. Except as provided in TSC’s terms and conditions of
sale for such products, TSC assumes no liability whatsoever, and disclaims any express or implied warranty,
relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose,
merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify TSC for any damages resulting from such improper use or sale.
7
Version:H1610
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