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 UDZS2.0B series
Surface Mount Zener Diodes
P b Lead(Pb)-Free
Features: * Non-wire bonding structure improves * High demand voltage range (2.0V-36V) Mechanical Data: * 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).
SMALL SIGNAL ZENER DIODES 200m WATTS
SOD-323
SOD-323 Outline Dimensions
1
WEITRON
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1/4
Rev.C 30-Sep-09
UDZS2.0B series
ABSOLUTE MAXIMUM TATINGS (Ta=25C) Parameter
Power dissipation Junction temperature Storage temperature Operating temperature
WEITRON
Symbol
PD TJ Tstg Topr
Limits
200 125 -55 to +150 -55 to +150
Unit
mW C C C
DEVICE MARKING CODE Device
UDZS2.0B UDZS2.2B UDZS2.4B UDZS2.7B UDZS3.0B UDZS3.3B UDZS3.6B UDZS3.9B UDZS4.3B UDZS4.7B UDZS5.1B
Marking
02 12 22 32 42 52 62 72 82 92 A2
Device
UDZS5.6B UDZS6.2B UDZS6.8B UDZS7.5B UDZS8.2B UDZS9.1B UDZS10B UDZS11B UDZS12B UDZS13B UDZS15B
Marking
C2 E2 F2 H2 J2 L2 05 15 25 35 45
Device
UDZS16B UDZS18B UDZS20B UDZS22B UDZS24B UDZS27B UDZS30B UDZS33B UDZS36B
Marking
55 65 75 85 95 A5 C5 E5 F5
WEITRON
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2/4
Rev.C 30-Sep-09
UDZS2.0B series
ELECTRICAL CHARACTERISTICS (TA=25C)
Zener voltage Device Min. UDZS2.0B UDZS2.2B UDZS2.4B UDZS2.7B UDZS3.0B UDZS3.3B UDZS3.6B UDZS3.9B UDZS4.3B UDZS4.7B UDZS5.1B UDZS5.6B UDZS6.2B UDZS6.8B UDZS7.5B UDZS8.2B UDZS9.1B UDZS10B UDZS11B UDZS12B UDZS13B UDZS15B UDZS16B UDZS18B UDZS20B UDZS22B UDZS24B UDZS27B UDZS30B UDZS33B UDZS36B 2.020 2.220 2.430 2.690 3.010 3.320 3.600 3.890 4.170 4.550 4.980 5.490 6.060 6.650 7.280 8.020 8.850 9.770 10.760 11.740 12.910 14.340 15.850 17.560 19.520 21.540 23.720 26.190 29.190 32.150 35.070 VZ(V) Max. 2.200 2.410 2.630 2.910 3.220 3.530 3.845 4.160 4.430 4.750 5.200 5.730 6.330 6.930 7.600 8.360 9.230 10.210 11.220 12.240 13.490 14.980 16.510 18.350 20.390 22.470 24.780 27.530 30.690 33.790 36.870 IZ (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 Operating resistance ZZ() Max. 100 100 100 110 120 120 100 100 100 100 80 60 60 40 30 30 30 30 30 30 37 42 50 65 85 100 120 150 200 250 300 IZ (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 Rising operating resistance Zzk() Max. 1000 1000 1000 1000 1000 1000 1000 1000 1000 800 500 200 100 60 60 60 60 60 60 80 80 80 80 80 100 100 120 150 200 250 300 IZ (mA) 0.5 0.5 0.5 0.5 0.5 0.5 1.0 1.0 1.0 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 0.5 0.5 0.5 0.5 0.5
WEITRON
Reverse curre IR(A) Max. 120 120 100 100 50 20 10 5 5 2 2 1 1 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 VR (V) 0.5 0.7 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.5 2.5 3.0 3.5 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 15.0 17.0 19.0 21.0 23.0 25.0 27.0
Note 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).
WEITRON
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3/4
Rev.C 30-Sep-09
UDZS2.0B series
ELECTRICAL CHARACTERISTIC CURVES (TA=25C)
5.1 5.6
100m
WEITRON
8.2 9.1 7.5
6.2
6.8
15
11
10
12
13
16
18
10m
ZENER CURRENT : IZ (A)
1m
100
10
1
100n
4.7
2.4
10n 0
2.0
2.2
2.7
5
3.0
3.3
4.3
10
15
20
20
22
25
30
35
40
ZENER VOLTAGE : VZ (V)
Fig.1 Zener voltage characteristics
TEMP. COEFFICIENT CHARACTERISTICS (% / C)
300
POWER DISSIPATION : Pd (mW)
0.10
Iz=5mA
0.08 0.06 0.04 0.02 0.00 -0.02 -0.04 -0.06 -0.08 2 10 20
Iz=500A
200
30
100
ZENER VOLTAGE : Vz (V)
0 0
25
50
100
150
AMBIENT TEMPERATURE : TA ( C)
Fig.2 Derating curve
Fig.3 Zener voltage-temp. coefficient characteristics
WEITRON
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4/4
Rev.C 30-Sep-09


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