Document
Pb RoHS COMPLIANCE
BZT55B SERIES
0.5 Watts Hermetically Sealed Glass Zener Voltage Regulators
QUADRO MINI MELF
Features
Zener voltage range 2.0 to 75 volts Mini-MELF package Surface device type mounting Hermetically sealed glass Compression Bonded Construction All external surfaces are corrosion
resistant and terminals are readily solderable RoHS compliant Matte Tin(Sn) lead finish Blue color band indicates negative polarity
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25 oC ambient temperature unless otherwise specified.
Type Number
Symbol
Value
Power Dissipation
Ptot 500
Operating and Storage Temperature Range
TJ, TSTG
-65 to + 200
Notes: These ratings are limiting values above which the serviceability of the diode may be impaired
Units
mW oC
Version: B07
RATINGS AND CHARACTERISTIC CURVES(BZT55B SERIES)
TKVZ - Temperature Coefficient of VZ (10-4/K)
Ptot - Total Power Dissipation (mW)
600 500 400 300 200 100
0 0 40 80 120 160 200
Tamb - Ambient Temperature (°C) Figure 1. Total Power Dissipation vs. Ambient Temperature
1000
Tj = 25 °C 100
IZ = 5 mA 10
VZ - Voltage Change (mV)
1 0 5 10 15 20 25 V - Z-Voltage (V)
Z
Figure 2. Typical Change of Working Voltage under Operating Conditions at Tamb=25°C
VZtn - Relative Voltage Change
1.3 VZtn = VZt/VZ (25 °C)
1.2
TKVZ = 10 x 10-4/K 8 x 10-4/K 6 x 10-4/K
1.1
4 x 10-4/K 2 x 10-4/K
1.0 0
- 2 x 10-4/K
0.9 - 4 x 10-4/K
0.8 - 60 0
60 120 180 240
Tj - Junction Temperature (°C)
Figure 3. Typical Change of Working Voltage vs. Junction Temperature
15
10
5 IZ = 5 mA
0
-5 0 10 20 30 40 50 VZ - Z-Voltage (V)
Figure 4. Temperature Coefficient of Vz vs. Z-Voltage
CD - Diode Capacitance (pF)
200
150 VR = 2 V
100 Tj = 25 °C
50
0 0 5 10 15 20 25 VZ - Z-Voltage (V)
Figure 5. Diode Capacitance vs. Z-Voltage
IF - Forward Current (mA)
100
10
Tj = 25 °C 1
0.1
0.01
0.001 0
0.2 0.4 0.6 0.8 1.0
VF - Forward Voltage (V) Figure 6. Forward Current vs. Forward Voltage
Version: B07
RATINGS AND CHARACTERISTIC CURVES(BZT55B SERIES)
100 1000
rZ - Differential Z-Resistance (Ω)
IZ - Z-Current (mA)
80 Ptot = 500 mW
Tamb = 25 °C 60
40
20
0 0 4 6 8 12 VZ - Z-Voltage (V)
Figure 7. Z-Current vs. Z-Voltage
20
IZ = 1 mA 100
5 mA 10 10 mA
1 Tj = 25 °C 0 5 10 15 20 25 VZ - Z-Voltage (V)
Figure 9. Differential Z-Resistance vs. Z-Voltage
IZ - Z-Current (mA)
50
40
Ptot = 500 mW T = 25 °C
amb
30
20
10
0 15 20 25 30
VZ - Z-Voltage (V)
Figure 8. Z-Current vs. Z-Voltage
35
Zthp - Thermal Resistance for Pulse Cond. (KW)
1000
tP/T = 0.5 100
tP/T = 0.2
10 tP/T = 0.1
tP/T = 0.01 tP/T = 0.02
tP/T = 0.05
1 10-1
100
Single Pulse
RthJA = 300 K/W T=T -T
jmax amb
iZM = (- VZ + (VZ2 + 4rzj x T/Zthp) 1/2)/(2rzj) 101 102
tP - Pulse Length (ms) Figure 10. Thermal Response
Version: B07
ELECTRICAL CHARACTERISTICS (TA=25OC unless otherwise noted)
VZ @ IZT
Type
(Volts)
ZZT @ IZT
Number
VZ
VZ IZT Ohms IZK ZZK @ IZK
Min (V) Max (V) mA
Max
mA Ohms
BZT55B2V0 1.96 2.04
5
100
1.0
600
BZT55B2V2 2.16 2.24
5
100
1.0
600
BZT55B2V4 2.35 2.45
5
85
1.0
600
BZT55B2V7 2.65 2.75
5
85
1.0
600
BZT55B3V0 2.94 3.06
5
85
1.0
600
BZT55B3V3 3.23 3.37
5
85
1.0
600
BZT55B3V6 3.53 3.67
5
85
1.0
600
BZT55B3V9 3.82 3.98
5
85
1.0
600
BZT55B4V3 4.21 4.39
5
75
1.0
600
BZT55B4V7 4.61 4.79
5
60
1.0
600
BZT55B5V1
5.00
5.2
5
35
1.0
550
BZT55B5V6 5.49 5.71
5
25
1.0
450
BZT55B6V2 6.08 6.32
5
10
1.0
200
BZT55B6V8 6.66 6.94
5
8
1.0 150
BZT55B7V5 7.35 7.65
5
7
1.0
50
BZT55B8V2 8.04 8.36
5
7
1.0
50
BZT55B9V1 8.92 9.28
5
10
1.0
50
BZT55B10
9.80
10.2
5
15
1.0
70
BZT55B11
10.40 11.22
5
20
1.0
70
BZT55B12
11.40 12.24
5
20
1.0
90
BZT55B13
12.74 13.26
5
26
1.0
110
BZT55B15
14.70
15.30
5
30
1.0
110
BZT55B16
15.68 16.32
5
40
1.0
170
BZT55B18
17.64 18.36
5
50
1.0
170
BZT55B20
19.60 20.40
5
55
1.0
220
BZT55B22
21.56 22.44
5
55
1.0
220
BZT55B24
23.52 24.48
5
80
1.0
220
BZT55B27
26.46 27.54
2
80
1.0
220
BZT55B30
29.40
30.60
2
80
1.0
220
BZT55B33
32.34 33.66
2
80
1.0
220
BZT55B36
35.28 36.72
2
80
1.0
220
BZT55B39
38.22 39.78
2
90
0.5
500
BZT55B43
42.14 43.86
2
90
0.5
600
BZT55B47
46.06 47.94
2
110
0.5
700
BZT55B51
49.98 52.02
2
125
0.5
700
BZT55B56
54.88 57.12
2
135
0.5
1000
BZT55B62
60.76 63.24
2.5
150
0.5
1000
BZT55B68
66.64 69.36
2.5
160
0.5
1000
BZT55B75
73.50 76.50
2.5
170
0.5
1000
VF Forward Voltage = 1.0v Maximum @ IF=100mA for all types.
IR @ VR uA Max 50 50 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 0.1 0.1 0.1 0.1 0.1
VR V 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 2.0 3.0 5.0 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 28 32 35 38 42 47 51 56
Notes:
1. The type numbers listed have zener voltage min/max limits as shown. 2.