BZT55C SERIES
Pb
RoHS
COMPLIANCE
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
o
C ambient temperature unless otherwise specified.
Type Number
Power Dissipation
Operating and Storage Temperature Range
Notes:
Symbol
P
D
T
J
, T
STG
Value
500
-65 to + 200
Units
mW
o
C
These ratings are limiting values above which the
serviceability of the diode may be impaired
Version: B07
RATINGS AND CHARACTERISTIC CURVES
(BZT55C SERIES)
TK
VZ
- Temperature Coefficient of V
Z
(10
-4
/K)
P
tot
- Total Power Dissipation (mW)
600
500
400
300
200
100
0
0
15
10
5
I
Z
= 5 mA
0
-5
0
10
20
40
30
V
Z
- Z-Voltage (V)
50
40
80
120
160
200
T
amb
- Ambient Temperature (°C)
Figure 1. Total Power Dissipation vs. Ambient Temperature
Figure 4. Temperature Coefficient of Vz vs. Z-Voltage
1000
C
D
- Diode Capacitance (pF)
V
Z
- Voltage Change (mV)
200
T
j
= 25 °C
150
V
R
= 2 V
T
j
= 25 °C
100
100
I
Z
= 5 mA
10
50
1
0
5
10
15
20
V
Z
- Z-Voltage (V)
0
25
0
5
10
15
20
25
V
Z
- Z-Voltage (V)
Figure 5. Diode Capacitance vs. Z-Voltage
Figure 2. Typical Change of Working Voltage under Operating
Conditions at T
amb
=25°C
V
Ztn
- Relative Voltage Change
1.3
I
F
- Forward Current (mA)
V
Ztn
= V
Zt
/V
Z
(25 °C)
100
10
T
j
= 25 °C
1.2
1.1
1.0
0.9
0.8
- 60
TK
VZ
= 10 x 10
-4
/K
8 x 10
-4
/K
6 x 10
-4
/K
4 x 10
-4
/K
2 x 10
-4
/K
1
0
- 2 x 10 /K
- 4 x 10
-4
/K
-4
0.1
0.01
0.001
0
60
120
180
240
0
0.2
0.4
0.6
0.8
1.0
T
j
- Junction Temperature (°C)
Figure 3. Typical Change of Working Voltage vs. Junction
Temperature
V
F
- Forward Voltage (V)
Figure 6. Forward Current vs. Forward Voltage
Version: B07
RATINGS AND CHARACTERISTIC CURVES
(BZT55C SERIES)
r
Z
- Differential Z-Resistance (Ω)
100
80
I
Z
- Z-Current (mA)
P
tot
= 500 mW
T
amb
= 25 °C
1000
I
Z
= 1 mA
100
5 mA
60
40
20
0
0
4
6
8
12
20
V
Z
- Z-Voltage (V)
Figure 7. Z-Current vs. Z-Voltage
10
10 mA
1
Tj = 25 °C
0
5
10
15
20
25
V
Z
- Z-Voltage (V)
Figure 9. Differential Z-Resistance vs. Z-Voltage
50
40
30
20
10
0
15
P
tot
= 500 mW
T
amb
= 25 °C
I
Z
- Z-Current (mA)
20
25
30
35
V
Z
- Z-Voltage (V)
Figure 8. Z-Current vs. Z-Voltage
Z
thp
- Thermal Resistance for Pulse Cond. (KW)
1000
t
P
/T = 0.5
100
t
P
/T = 0.2
Single Pulse
10
t
P
/T = 0.1
t
P
/T = 0.02
i
ZM
= (- V
Z
+ (V
Z2
+ 4r
zj
x T/Z
thp
)
1/2
)/(2r
zj
)
10
0
10
1
t
P
- Pulse Length (ms)
10
2
t
P
/T = 0.01
t
P
/T = 0.05
1
10
-1
R
thJA
= 300 K/W
T = T
jmax
- T
amb
Figure 10. Thermal Response
Version: B07
ELECTRICAL CHARACTERISTICS
(TA=25
O
C
Type
Number
BZT55C2V0
BZT55C2V2
BZT55C2V4
BZT55C2V7
BZT55C3V0
BZT55C3V3
BZT55C3V6
BZT55C3V9
BZT55C4V3
BZT55C4V7
BZT55C5V1
BZT55C5V6
BZT55C6V2
BZT55C6V8
BZT55C7V5
BZT55C8V2
BZT55C9V1
BZT55C10
BZT55C11
BZT55C12
BZT55C13
BZT55C15
BZT55C16
BZT55C18
BZT55C20
BZT55C22
BZT55C24
BZT55C27
BZT55C30
BZT55C33
BZT55C36
BZT55C39
BZT55C43
BZT55C47
BZT55C51
BZT55C56
BZT55C62
BZT55C68
BZT55C75
V
Z
@ I
ZT
(Volts)
V
Z
Min (V)
1.88
2.08
2.28
2.51
2.8
3.1
3.4
3.7
4.0
4.4
4.8
5.2
5.8
6.4
7.0
7.7
8.5
9.4
10.4
11.4
12.4
13.8
15.3
16.8
18.8
20.8
22.8
25.1
28
31
34
37
40
44
48
52
58
64
70
V
Z
Max (V)
2.11
2.33
2.56
2.89
3.2
3.5
3.8
4.1
4.6
5.0
5.4
6.0
6.6
7.2
7.9
8.7
9.6
10.6
11.6
12.7
14.1
15.6
17.1
19.1
21.1
23.3
25.6
28.9
32
35
38
41
46
50
54
60
66
72
80
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
2
2
2
2
2
2
2
2
2
2.5
2.5
2.5
Z
ZT
@ I
ZT
Ohms
Max
100
100
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
125
135
150
160
170
unless otherwise noted)
I
R
@ V
R
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
I
ZK
mA
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
1.0
1.0
1.0
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
Z
ZK
@ I
ZK
Ohms
600
600
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
700
1000
1000
1000
1000
V
R
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
VF Forward Voltage = 1.0v Maximum @ IF=100mA for all types.
Notes:
1. The type numbers listed have zener voltage min/max limits as shown.
2. The zener impedance is derived from the 60-cycle ac voltage, which results
when an ac current having an rams value equal to 10% of the dc zener current
(I
ZT
or I
ZK
) is superimposed to I
ZT
or I
ZK
.
Version: B07
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