BZT52 Series
SILICON PLANAR ZENER DIODES
Standard Zener voltage tolerance is ±20%. Add
suffix “A” for ±10% tolerance and suffix “B” for
±5% tolerance, Other tolerance, non standard
and higher Zener voltages are upon request.
LS-34
QuadroMELF
Dimensions in mm
Absolute Maximum Ratings (T
a
= 25
O
C)
Parameter
Power Dissipation at T
amb
= 75
O
C
Junction Temperature
Storage Temperature Range
Symbol
P
tot
T
j
T
S
Value
500
200
- 65 to +200
Unit
mW
O
C
C
O
Characteristics at T
a
= 25
O
C
Parameter
Thermal Resistance Junction to Ambient Air
Forward Voltage
at I
F
= 200 mA
Symbol
R
thA
V
F
Max.
0.3
1.1
Unit
K/W
V
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 12/01/2007
BZT52 Series
1)
Zener Voltage Range
Type
Vznom
V
BZT5221
BZT5222
BZT5223
BZT5224
BZT5225
BZT5226
BZT5227
BZT5228
BZT5229
BZT5230
BZT5231
BZT5232
BZT5233
BZT5234
BZT5235
BZT5236
BZT5237
BZT5238
BZT5239
BZT5240
BZT5241
BZT5242
BZT5243
BZT5244
BZT5245
BZT5246
BZT5247
BZT5248
BZT5249
BZT5250
BZT5251
BZT5252
BZT5253
BZT5254
BZT5255
BZT5256
BZT5257
BZT5258
BZT5259
BZT5260
BZT5261
BZT5262
BZT5263
BZT5264
BZT5265
BZT5266
BZT5267
BZT5268
2.4
2.5
2.7
2.8
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.0
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
47
51
56
60
62
68
75
82
3)
Maximum Zener Impedance
r
ZJT
Ω
< 30
< 30
< 30
< 30
< 29
< 28
< 24
< 23
< 22
< 19
< 17
< 11
<7
<7
<5
<6
<8
<8
< 10
< 17
< 22
< 30
< 13
< 15
< 16
< 17
< 19
< 21
< 23
< 25
< 29
< 33
< 35
< 41
< 44
< 49
< 58
< 70
< 80
< 93
< 105
< 125
< 150
< 170
< 185
< 230
< 270
< 330
r
ZJK
Ω
< 1200
< 1250
< 1300
< 1400
< 1600
< 1600
< 1700
< 1900
< 2000
< 1900
< 1600
< 1600
< 1600
< 1000
< 750
< 500
< 500
< 600
< 600
< 600
< 600
< 600
< 600
< 600
< 600
< 600
< 600
< 600
< 600
< 600
< 600
< 600
< 600
< 600
< 600
< 600
< 700
< 700
< 800
< 900
< 1000
< 1100
< 1300
< 1400
< 1400
< 1600
< 1700
< 2000
at
I
ZK
Reverse Leakage Current
I
R
µA
< 100
< 100
< 75
< 75
< 50
< 25
< 15
< 10
<5
<5
<5
<5
<5
<5
<3
<3
<3
<3
<3
<3
<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
2)
Temp. Coefficient of
Zener Voltage
TK
VZ
%/K
<-0.085
<-0.085
<-0.080
<-0.080
<-0.075
<-0.070
<-0.065
<-0.060
<-0.055
<±0.030
<±0.030
<+0.038
<+0.038
<+0.045
<+0.050
<+0.058
<+0.062
<+0.065
<+0.068
<+0.075
<+0.076
<+0.077
<+0.079
<+0.082
<+0.082
<+0.083
<+0.084
<+0.085
<+0.086
<+0.086
<+0.087
<+0.088
<+0.089
<+0.090
<+0.091
<+0.091
<+0.092
<+0.093
<+0.094
<+0.095
<+0.095
<+0.096
<+0.096
<+0.097
<+0.097
<+0.097
<+0.098
<+0.098
l
ZT
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9.0
8.5
7.8
7.4
7.0
6.6
6.2
5.6
5.2
5.0
4.6
4.5
4.2
3.8
3.4
3.2
3.0
2.7
2.5
2.2
2.1
2.0
1.8
1.7
1.5
at V
R
V
1
1
1
1
1
1
1
1
1
2
2
3
3.5
4
5
6
6.5
6.5
7
8
8.4
9.1
9.9
10
11
12
13
14
14
15
17
18
19
21
21
23
25
27
30
33
36
39
43
46
47
52
56
62
mA
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 12/01/2007
BZT52 Series
Zener Voltage Range
Type
Vznom
V
BZT5269
BZT5270
BZT5271
BZT5272
BZT5273
BZT5274
BZT5275
BZT5276
BZT5277
BZT5278
BZT5279
BZT5280
BZT5281
1)
3)
Maximum Zener Impedance
r
ZJT
Ω
< 370
< 400
< 500
< 700
< 950
< 1100
< 1300
< 1500
< 1700
< 1900
< 2200
< 2400
< 2500
r
ZJK
Ω
< 2200
< 2300
-
-
-
-
-
-
-
-
-
-
-
at
I
ZK
1)
Reverse Leakage Current
I
R
2)
Temp. Coefficient of
Zener Voltage
TK
VZ
%/K
<+0.099
<+0.099
<+0.100
<+0.100
<+0.100
<+0.110
<+0.110
<+0.110
<+0.115
<+0.115
<+0.120
<+0.120
<+0.120
l
ZT
mA
1.4
1.4
1.3
1.2
1.0
0.95
0.90
0.85
0.80
0.74
0.68
0.66
0.65
at
V
R
V
68
69
75
83
90
98
105
113
120
127
135
142
150
mA
0.25
0.25
-
-
-
-
-
-
-
-
-
-
-
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
87
91
100
110
120
130
140
150
160
170
180
190
200
The Zener Impedance is derived from the 60 Hz AC voltage which results when an AC current having an RMS value equal to 10% of the
Zener Current (I
ZT
or I
ZK
) is superimposed on I
ZT
or I
ZK
.Zener Impedance is measured at two points to insure a sharp knee on the
breakdown curve and to eliminate unstable units.
2)
3)
Measured under thermal equilibrium and DC test conditions.
Tested with pulses tp = 20 ms.
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 12/01/2007
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