BZX55T Series
SILICON EPITAXIAL PLANAR ZENER DIODES
Max. 0.5
Features
• Very sharp reverse characteristic
• Low reverse current level
• Very high stability
• Low noise
• Available with tighter tolerances
Max. 1.9
Min. 27.5
Black
Cathode Band
Black
Part No.
Black
"ST" Brand
XXX
ST
Max. 3.9
Min. 27.5
Glass Case DO-35
Dimensions in mm
Absolute Maximum Ratings (T
a
= 25
O
C)
Parameter
Power Dissipation
Junction Temperature
Storage Temperature Range
Symbol
P
tot
T
j
T
S
Value
500
175
- 65 to + 175
Unit
mW
O
C
C
O
Maximum Thermal Resistance (T
a
= 25
O
C)
Parameter
Thermal Resistance Junction to Ambient Air
Symbol
R
thJA
Max.
300
Unit
K/W
Characteristics at T
a
= 25
O
C
Parameter
Forward Voltage
at I
F
= 200 mA
Symbol
V
F
Max.
1.5
Unit
V
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 21/06/2007
BZX55T Series
V
Zmin 2)
V
2.3
2.3
2.4
2.5
2.5
2.6
2.7
2.8
2.8
2.9
3
3.1
3.1
3.2
3.3
3.4
3.4
3.5
3.6
3.7
3.7
3.8
3.9
4
4
4.1
4.2
4.3
4.4
4.4
4.5
4.6
4.7
4.8
4.8
4.9
5
5.1
5.2
5.2
5.3
5.4
5.5
5.6
5.7
5.7
5.8
6
6.1
6.3
V
Zmax 2)
V
2.6
2.5
2.6
2.9
2.7
2.8
2.9
3.2
3
3.1
3.2
3.5
3.3
3.4
3.5
3.8
3.6
3.7
3.8
4.1
3.9
4
4.1
4.5
4.2
4.3
4.4
4.5
4.9
4.6
4.7
4.8
4.9
5.3
5
5.1
5.2
5.3
5.9
5.5
5.6
5.7
5.8
5.9
6.6
6
6.1
6.3
6.4
6.6
r
Zmax
Ω
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
40
40
40
40
40
40
15
15
15
15
15
15
at I
Z
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
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
I
Rmax
µA
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
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
1
1
1
1
1
1
at V
R
V
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
1
1
1
1
1
1
1
1
1
1
1
1
1.5
1.5
1.5
1.5
1.5
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
I
Rmax 1)
µA
50
50
50
10
10
10
10
6
6
6
6
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
0.5
0.5
0.5
0.5
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
at V
R 1)
V
1
1
1
1
1
1
1
1
1
1
1
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
Type
BZX55T2V4
BZX55T2V4A
BZX55T2V4B
BZX55T2V7
BZX55T2V7A
BZX55T2V7B
BZX55T2V7C
BZX55T3V0
BZX55T3V0A
BZX55T3V0B
BZX55T3V0C
BZX55T3V3
BZX55T3V3A
BZX55T3V3B
BZX55T3V3C
BZX55T3V6
BZX55T3V6A
BZX55T3V6B
BZX55T3V6C
BZX55T3V9
BZX55T3V9A
BZX55T3V9B
BZX55T3V9C
BZX55T4V3
BZX55T4V3A
BZX55T4V3B
BZX55T4V3C
BZX55T4V3D
BZX55T4V7
BZX55T4V7A
BZX55T4V7B
BZX55T4V7C
BZX55T4V7D
BZX55T5V1
BZX55T5V1A
BZX55T5V1B
BZX55T5V1C
BZX55T5V1D
BZX55T5V6
BZX55T5V6A
BZX55T5V6B
BZX55T5V6C
BZX55T5V6D
BZX55T5V6E
BZX55T6V2
BZX55T6V2A
BZX55T6V2B
BZX55T6V2C
BZX55T6V2D
BZX55T6V2E
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 21/06/2007
BZX55T Series
V
Zmin 2)
V
6.4
6.4
6.6
6.7
6.9
7
7
7.2
7.3
7.5
7.7
7.7
7.9
8.1
8.3
8.5
8.5
8.7
8.9
9.1
9.3
9.5
9.5
9.7
9.9
10.2
10.4
10.4
10.7
10.9
11.1
11.4
11.4
11.6
11.9
12.2
11.44
12.4
12.4
12.6
12.9
13.2
13.2
13.5
13.8
14.1
14.1
14.5
14.9
14.35
V
Zmax 2)
V
7.2
6.7
6.9
7
7.2
7.9
7.3
7.6
7.7
7.9
8.7
8.1
8.3
8.5
8.7
9.7
8.9
9.1
9.3
9.5
9.7
10.6
9.9
10.1
10.3
10.6
11.6
10.8
11.1
11.3
11.6
12.7
11.9
12.1
12.4
12.7
12.03
13.4
12.9
13.1
13.4
14.3
13.7
14
14.3
15.5
14.7
15.1
15.5
15.09
r
Zmax
Ω
15
15
15
15
15
15
15
15
15
15
20
20
20
20
20
20
20
20
20
20
20
25
25
25
25
25
25
25
25
25
25
35
35
35
35
35
35
35
35
35
35
35
35
35
35
40
40
40
40
40
at I
Z
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
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
I
Rmax
µA
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
at V
R
V
3.5
3.5
3.5
3.5
3.5
5.0
5.0
5.0
5.0
5.0
6.2
6.2
6.2
6.2
6.2
6.8
6.8
6.8
6.8
6.8
6.8
7.5
7.5
7.5
7.5
7.5
8.2
8.2
8.2
8.2
8.2
9.5
9.5
9.5
9.5
9.5
9.5
10
10
10
10
11
11
11
11
11.5
11.5
11.5
11.5
11.5
I
Rmax 1)
µA
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
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
at V
R 1)
V
3
3
3
3
3
3.5
3.5
3.5
3.5
3.5
4
4
4
4
4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Type
BZX55T6V8
BZX55T6V8A
BZX55T6V8B
BZX55T6V8C
BZX55T6V8D
BZX55T7V5
BZX55T7V5A
BZX55T7V5B
BZX55T7V5C
BZX55T7V5D
BZX55T8V2
BZX55T8V2A
BZX55T8V2B
BZX55T8V2C
BZX55T8V2D
BZX55T9V1
BZX55T9V1A
BZX55T9V1B
BZX55T9V1C
BZX55T9V1D
BZX55T9V1E
BZX55T10
BZX55T10A
BZX55T10B
BZX55T10C
BZX55T10D
BZX55T11
BZX55T11A
BZX55T11B
BZX55T11C
BZX55T11D
BZX55T12
BZX55T12A
BZX55T12B
BZX55T12C
BZX55T12D
BZX55T12X
BZX55T13
BZX55T13A
BZX55T13B
BZX55T13C
BZX55T14
BZX55T14A
BZX55T14B
BZX55T14C
BZX55T15
BZX55T15A
BZX55T15B
BZX55T15C
BZX55T15X
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 21/06/2007
BZX55T Series
V
Zmin 2)
V
Zmax 2)
r
Zmax
at I
Z
I
Rmax
at V
R
I
Rmax 1)
V
V
Ω
mA
µA
V
µA
BZX55T16
15.3
17.1
45
5
1
12
-
BZX55T16A
15.3
15.9
45
5
1
12
-
BZX55T16B
15.7
16.5
45
5
1
12
-
BZX55T16C
16.3
17.1
45
5
1
12
-
BZX55T18
16.9
19
55
5
1
13
-
BZX55T18A
16.9
17.7
55
5
1
13
-
BZX55T18B
17.5
18.3
55
5
1
13
-
BZX55T18C
18.1
19
55
5
1
13
-
BZX55T20
18.8
21.2
60
2
1
15
-
BZX55T20A
18.8
19.7
60
2
1
15
-
BZX55T20B
19.5
20.4
60
2
1
15
-
BZX55T20C
20.2
21.2
60
2
1
15
-
BZX55T22
20.9
23.3
65
2
1
17
-
BZX55T22A
20.9
21.9
65
2
1
17
-
BZX55T22B
21.6
22.6
65
2
1
17
-
BZX55T22C
22.3
23.3
65
2
1
17
-
BZX55T24
22.9
25.5
70
2
1
19
-
BZX55T24A
22.9
24
70
2
1
19
-
BZX55T24B
23.6
24.7
70
2
1
19
-
BZX55T24C
24.3
25.5
70
2
1
19
-
BZX55T24X
22.61
23.77
70
2
1
19
-
BZX55T27
25.2
28.6
80
2
1
21
-
BZX55T27A
25.2
26.6
80
2
1
21
-
BZX55T27B
26.2
27.6
80
2
1
21
-
BZX55T27C
27.2
28.6
80
2
1
21
-
BZX55T27X
26.99
28.39
80
2
1
21
-
BZX55T30
28.2
31.6
100
2
1
23
-
BZX55T30A
28.2
29.6
100
2
1
23
-
BZX55T30B
29.2
30.6
100
2
1
23
-
BZX55T30C
30.2
31.6
100
2
1
23
-
BZX55T30X
29.02
30.51
100
2
1
23
-
BZX55T33
31.2
34.5
120
2
1
25
-
BZX55T33A
31.2
32.6
120
2
1
25
-
BZX55T33B
32.2
33.6
120
2
1
25
-
BZX55T33C
33.2
34.5
120
2
1
25
-
BZX55T36
34.2
38
140
2
1
27
-
BZX55T36A
34.2
35.7
140
2
1
27
-
BZX55T36B
35.3
36.8
140
2
1
27
-
BZX55T36C
36.4
38
140
2
1
27
-
BZX55T36X
35.36
37.19
140
2
1
27
-
1)
Additional measurement
Please note: Additional measurement of voltage group 9V1 to 36 I
R
at 95% V
zmin
= < 35 nA at T
j
25
O
C
2)
Tested with pulses tp = 20 ms.
Type
at V
R 1)
V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 21/06/2007