BZX2.5C
SILICON PLANAR POWER ZENER DIODES
for use in stabilizing and clipping circuits with high
power rating. The Zener voltages are graded
according to the international E 24 standard. Other
tolerances and higher Zener voltage upon request.
Max. 0.7
Max. 2.8
Min. 25.4
Black
Cathode Band
Black
Part No.
Black
"ST" Brand
XXX
ST
Max. 4.2
Min. 25.4
Glass Case DO-41
Dimensions in mm
Absolute Maximum Ratings (T
a
= 25
O
C)
Parameter
Power Dissipation
Junction Temperature
Storage Temperature Range
1)
Symbol
P
tot
T
j
T
S
Value
2.5
1)
Unit
W
O
200
- 55 to + 200
C
C
O
Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature.
Characteristics at T
a
= 25
O
C
Parameter
Thermal Resistance Junction to Ambient Air
1)
Symbol
R
thA
Max.
130
1)
Unit
K/W
Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature.
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 12/06/2007
BZX2.5C
Characteristics at T
j
= 25
O
C
Zener Voltage Range
1)
Type
V
Znom
V
l
ZT
mA
for
V
ZT
V
Maximum Dynamic Resistance
r
ZJT
Ω
r
ZJK
Ω
at I
ZK
mA
Maximum Reverse
Leakage Current
I
R 2)
µA
1
1
1
1
1
1
1
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
at V
R
V
1.5
2
3
4
4.5
6.2
6.8
7
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
5.1
45
4.8...5.4
10
500
1
BZX2.5C5V1
5.6
45
5.2...6
7
400
1
BZX2.5C5V6
6.2
35
5.8...6.6
4
300
1
BZX2.5C6V2
6.8
35
6.4...7.2
3.5
300
1
BZX2.5C6V8
7.5
35
7...7.9
3
200
0.5
BZX2.5C7V5
8.2
25
7.7...8.7
5
200
0.5
BZX2.5C8V2
9.1
25
8.5...9.6
5
200
0.5
BZX2.5C9V1
10
25
9.4...10.6
7
200
0.5
BZX2.5C10
11
20
10.4...11.6
8
300
0.5
BZX2.5C11
12
20
11.4...12.7
9
350
0.5
BZX2.5C12
13
20
12.4...14.1
10
400
0.5
BZX2.5C13
15
15
13.8...15.6
15
500
0.5
BZX2.5C15
16
15
15.3...17.1
15
500
0.5
BZX2.5C16
18
15
16.8...19.1
20
500
0.5
BZX2.5C18
20
10
18.8...21.2
24
600
0.5
BZX2.5C20
22
10
20.8...23.3
25
600
0.5
BZX2.5C22
24
10
22.8...25.6
25
600
0.5
BZX2.5C24
27
8
25.1...28.9
30
750
0.25
BZX2.5C27
30
8
28...32
30
1000
0.25
BZX2.5C30
33
8
31...35
35
1000
0.25
BZX2.5C33
36
8
34...38
40
1000
0.25
BZX2.5C36
39
6
37...41
50
1000
0.25
BZX2.5C39
43
6
40...46
50
1000
0.25
BZX2.5C43
47
4
44...50
90
1500
0.25
BZX2.5C47
1)
Tested with pulses t
p
= 20 ms.
2)
Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 12/06/2007
BZX2.5C
Breakdown characteristics
at Tj=constant (pulsed)
mA
240
BZX 2.5C / 5V1~ 47V
Tj=25
o
C
200
C5V1
Iz
160
C6V8
C8V2
120
C10
C12
80
40
0
0
1
2
3
4
5
6
7
8
9
10
Vz
11
12
13
14
15V
Breakdown characteristics
at Tj=constant (pulsed)
mA
60
C15
50
C22
Iz
C27
40
C33
C39
30
C47
C18
BZX 2.5C / 5V1~ 47V
Tj=25
o
C
20
10
0
0
5
10
15
20
25
30
35
Vz
40
45
50V
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 12/06/2007
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