BZX55C Series
MECHANICAL DATA
Dimensions in mm(inches)
0.51 ± 0.10
(0.02 ± 0.004)
0.31 rad.
(0.012)
3
2
1
1.91 ± 0.10
(0.075 ± 0.004)
3.05 ± 0.13
(0.12 ± 0.005)
A=
0.76 ± 0.15
(0.03 ± 0.006)
VOLTAGE REGULATOR
DIODE IN A
CERAMIC SURFACE MOUNT
PACKAGE
FOR HI–REL APPLICATIONS
A
1.40
(0.055)
max.
2.54 ± 0.13
(0.10 ± 0.005)
0.31 rad.
(0.012)
FEATURES
• HERMETIC CERAMIC SURFACE MOUNT
PACKAGE (SOT23 COMPATIBLE)
• VOLTAGE RANGE 2.4 TO 75V
1.02 ± 0.10
(0.04 ± 0.004)
LCC1 PACKAGE
Underside View
Pad 1 – Anode
Pad 2 – N/C
Pad 3 – Cathode
ABSOLUTE MAXIMUM RATINGS
P
TOT
Power Dissipation
Derate above 25°C
T
OP
T
STG
T
SOL
R
θJA
R
θJ–MB
Maximum Operating Ambient Temperature
Storage Temperature Range
Soldering Temperature
Thermal Resistance Junction to Ambient
Thermal Resistance Junction to Mounting Base
(5 seconds max.)
T
MB
= 25°C
500mW
4mW/°C
–55 to +150°C
–65 to +175°C
260°C
336°C/W
140°C/W
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise stated)
Parameter
V
Z
I
R
Z
Z
Z
K
Zener Voltage
Reverse Current
Small Signal Breakdown Impedance
Small Signal Breakdown Impedance
near breakdown knee
Test Conditions
For V
Z
nom.
≤
36V,
For V
Z
nom.
≥
39V,
V
R
= V
R
test
V
R
= V
R
test
I
Z
= I
Z
test
For V
Z
nom.
≤
36V,
For V
Z
nom.
≥
39V,
I
ZK
= 1.0mA
I
ZK
= 0.5mA
T
AMB
= 150°C
I
Z
= 5mA
I
Z
= 2.5mA
Min.
V
Z
min.
Typ.
Max.
Units
V
µA
Ω
Ω
V
Z
nom. V
Z
max.
I
R
max.
I
R
max
(2)
Z
Z
max.
Z
K
max.
See table 1 for type variants and test parameters.
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc.
Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail:
sales@semelab.co.uk
Website
http://www.semelab.co.uk
Document Number 5743
Issue 4
BZX55C Series
TABLE 1 – TYPE VARIANTS & TEST PARAMETERS
Product
V
Z
nom.
(V)
BZX55C2V4
BZX55C2V7
BZX55C3V0
BZX55C3V3
BZX55C3V6
BZX55C3V9
BZX55C4V3
BZX55C4V7
BZX55C5V1
BZX55C5V6
BZX55C6V2
BZX55C6V8
BZX55C7V5
BZX55C8V2
BZX55C9V1
BZX55C10
BZX55C11
BZX55C12
BZX55C13
BZX55C15
BZX55C16
BZX55C18
BZX55C20
BZX55C22
BZX55C24
BZX55C27
BZX55C30
BZX55C33
BZX55C36
BZX55C39
BZX55C43
BZX55C47
BZX55C51
BZX55C56
BZX55C62
BZX55C68
BZX55C75
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
V
Z
min.
(V)
2.28
2.5
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)
2.56
2.9
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
21.2
23.3
25.6
28.9
32
35
38
41
46
50
54
60
66
72
80
I
Z
max.
(mA)
155
135
125
115
105
95
90
85
80
70
64
58
53
47
43
40
36
32
29
27
24
21
20
18
16
14
13
12
11
10
9.2
8.5
7.8
7.0
6.4
5.9
5.3
Z
Z
max.
(Ω)
100
100
100
100
100
100
75
75
40
40
10
8.0
7.0
7.0
10
15
20
20
26
30
40
50
55
55
80
80
80
80
80
90
90
110
125
135
150
200
250
V
R
test
(V)
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
30
33
36
39
43
47
51
56
I
R
max.
(µA)
50.0
20.0
4.00
3.00
2.00
2.00
1.00
0.50
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
T
CVZ
min.
max.
(%/°C)
-0.08
-0.08
-0.08
-0.08
-0.08
-0.07
-0.04
-0.03
-0.02
-0.01
0
+0.01
+0.01
+0.01
+0.02
+0.03
+0.03
+0.03
+0.03
+0.03
+0.03
+0.03
+0.03
+0.03
+0.04
+0.04
+0.04
+0.04
+0.04
+0.04
+0.04
+0.04
+0.04
+0.04
+0.04
+0.04
+0.04
-0.06
-0.06
-0.06
-0.05
-0.04
-0.03
-0.01
+0.01
+0.05
+0.06
+0.07
+0.08
+0.09
+0.09
+0.10
+0.11
+0.11
+0.11
+0.11
+0.11
+0.11
+0.11
+0.11
+0.11
+0.12
+0.12
+0.12
+0.12
+0.12
+0.12
+0.12
+0.12
+0.12
+0.12
+0.12
+0.12
+0.12
Z
K
max.
(Ω)
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
1500
I
R
max
(2)
(µA)
100
50
40
40
40
40
20
10
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
5.0
5.0
5.0
10
10
10
10
10
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc.
Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612.
E-mail:
sales@semelab.co.uk
Website
http://www.semelab.co.uk
Document Number 5743
Issue 4
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