Weitron LUDZS18B Surface mount zener diode Datasheet

UDZS3.6B series
Surface Mount Zener Diodes
P b Lead(Pb)-Free
SMALL SIGNAL
ZENER DIODES
200m WATTS
Features:
* Non-wire bonding structure improves
* High demand voltage range (3.6V-36V)
Mechanical Data:
1
* Case : SOD-323 Molded plastic.
* Terminals : Solder able per MIL-STD-202, Method208.
* Polarity : Cathode In dicated by Polarity Band.
* Marking : Marking Code(See Table on Page.2)
* Weigh : 0.004grams(approx).
2
SOD-323
SOD-323 Outline Dimensions
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UDZS3.6B series
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ABSOLUTE MAXIMUM TATINGS (Ta=25°C)
Parameter
Symbol
Limits
Unit
Power dissipation
PD
200
mW
Junction temperature
TJ
125
°C
Storage temperature
Tstg
-55 to +150
°C
Operating temperature
Topr
-55 to +150
°C
DEVICE MARKING CODE
Device
Marking
Device
Marking
Device
Marking
LUDZS3.6B
62
LUDZS8.2B
J2
LUDZS20B
75
LUDZS3.9B
72
LUDZS9.1B
L2
LUDZS22B
85
LUDZS4.3B
82
LUDZS10B
05
LUDZS24B
95
LUDZS4.7B
92
LUDZS11B
15
LUDZS27B
A5
LUDZS5.1B
A2
LUDZS12B
25
LUDZS30B
C5
LUDZS5.6B
C2
LUDZS13B
35
LUDZS33B
E5
LUDZS6.2B
E2
LUDZS15B
45
LUDZS36B
F5
LUDZS6.8B
F2
LUDZS16B
55
-
-
LUDZS7.5B
H2
LUDZS18B
65
-
-
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UDZS3.6B series
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ELECTRICAL CHARACTERISTICS (TA=25 C)
Device
Zener voltage
Operating
resistance
Rising operating
resistance
Reverse current
VZ(V)
ZZ(Ω)
Zzk(Ω)
IR(µA)
Min.
Max.
IZ
(mA)
Max.
IZ
(mA)
Max.
IZ
(mA)
Max.
VR
(V)
LUDZS3.6B
3.600
3.845
5
100
5
1000
1.0
10
1.0
LUDZS3.9B
3.890
4.160
5
100
5
1000
1.0
5
1.0
LUDZS4.3B
4.170
4.430
5
100
5
1000
1.0
5
1.0
LUDZS4.7B
4.550
4.750
5
100
5
800
0.5
2
1.0
LUDZS5.1B
4.980
5.200
5
80
5
500
0.5
2
1.5
LUDZS5.6B
5.490
5.730
5
60
5
200
0.5
1
2.5
LUDZS6.2B
6.060
6.330
5
60
5
100
0.5
1
3.0
LUDZS6.8B
6.650
6.930
5
40
5
60
0.5
0.5
3.5
LUDZS7.5B
7.280
7.600
5
30
5
60
0.5
0.5
4.0
LUDZS8.2B
8.020
8.360
5
30
5
60
0.5
0.5
5.0
LUDZS9.1B
8.850
9.230
5
30
5
60
0.5
0.5
6.0
LUDZS10B
9.770
10.210
5
30
5
60
0.5
0.1
7.0
LUDZS11B
10.760
11.220
5
30
5
60
0.5
0.1
8.0
LUDZS12B
11.740
12.240
5
30
5
80
0.5
0.1
9.0
LUDZS13B
12.910
13.490
5
37
5
80
0.5
0.1
10.0
LUDZS15B
14.340
14.980
5
42
5
80
0.5
0.1
11.0
LUDZS16B
15.850
16.510
5
50
5
80
0.5
0.1
12.0
LUDZS18B
17.560
18.350
5
65
5
80
0.5
0.1
13.0
LUDZS20B
19.520
20.390
5
85
5
100
0.5
0.1
15.0
LUDZS22B
21.540
22.470
5
100
5
100
0.5
0.1
17.0
LUDZS24B
23.720
24.780
5
120
5
120
0.5
0.1
19.0
LUDZS27B
26.190
27.530
5
150
5
150
0.5
0.1
21.0
LUDZS30B
29.190
30.690
5
200
5
200
0.5
0.1
23.0
LUDZS33B
32.150
33.790
5
250
5
250
0.5
0.1
25.0
LUDZS36B
35.070
36.870
5
300
5
300
0.5
0.1
27.0
Notes) 1. The Zener voltage (Vz) is measured 40ms after power is supplied.
2. The operating resistances (Zz, Zzk) are measured by superimposing a minute alternating current on the regulated current (Iz).
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ELECTRICAL CHARACTERISTIC CURVES (Ta=25 C)
36
33
30
27
24
22
20
18
16
15
13
11
12
10
8 .2
9. 1
7.5
6.8
3.9
3.6
10mA
4.7
1mA
4.3
ZENER CURRENT : IZ (A)
5.1
5.6
6. 2
100 mA
100µ
10µ
1µ
100n
0
5
10
15
20
25
30
35
40
ZENER VOLTAGE : VZ (V)
Fig.1 Zener voltage characteristics
TEMP. COEFFICIENT CHARACTERISTICS (% / °C)
POWER DISSIPATION : Pd (mW)
300
200
100
0
0
25
50
100
150
AMBIENT TEMPERATURE : TA ( °C)
Fig.2 Derating curve
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0.10
Iz=5mA
0.08
Iz=500µA
0.06
0.04
0.02
0.00
−0.02
2
10
20
30
ZENER VOLTAGE : Vz (V)
−0.04
−0.06
−0.08
Fig.3 Zener voltage-temp.
coefficient characteristics
06-Jul-06
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