ROHM UDZ4.7B, UDZ4.3B, UDZ6.8B, UDZ6.2B, UDZ5.6B Datasheet
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Diodes
Zener diode
UDZ Series
UDZ Series
Applications
!!!!
Constant voltage control
Features
!
1) Compact, 2-pin mini-mold type for high-density
mounting. (UMD2)
2) Compatible with chip mounter for automated
production.
3) High reliability
Construction
!
Silicon epitaxial planar
Absolute maximum ratings
!!!!
Parameter Symbol Limits Unit
Power dissipation
Junction temperature
Storage temperature
Operating temperature
(Ta=25°C)
P 200 mW
Tj 150 ˚C
Tstg ˚C
Topr ˚C
−55∼+150
−55∼+150
External dimensions
!!!!
2.5±0.2
(All pins have the same dimensions.)
∗ Type No. and date of manufacture stamped on body in digital marking.
1.7±0.1
1.25±0.1
(Units : mm)
CATHODE MARK
0.3±0.05
+0.2
0.7
−0.1
+0.1
0.1
−0.05
ROHM : UMD2
EIAJ : SC-76
JEDEC : SOD-323
Markings
!!!!
UDZ 2.0B
UDZ 2.2B
UDZ 2.4B
UDZ 2.7B
UDZ 3.0B
UDZ 3.3B
UDZ 3.6B
UDZ 3.9B
UDZ 4.3B
UDZ 4.7B
UDZ 5.1B
(Ex.) UDZ 2.0B
(Type No.)
Product name Type No. Product name Type No. Product name Type No.
02 C2 55
12 E2 65
22 F2 75
32 H2 85
42 J2 95
52 L2 A5
62 5 C5
72 15 E5
82 25 F5
92 35
A2 45
02
UDZ 5.6B
UDZ 6.2B
UDZ 6.8B
UDZ 7.5B
UDZ 8.2B
UDZ 9.1B
UDZ 10B
UDZ 11B
UDZ 12B
UDZ 13B
UDZ 15B
0
UDZ 16B
UDZ 18B
UDZ 20B
UDZ 22B
UDZ 24B
UDZ 27B
UDZ 30B
UDZ 33B
UDZ 36B
Diodes
Electrical characteristics
!!!!
Type
UDZ 2.0B
UDZ 2.2B
UDZ 2.4B
UDZ 2.7B
UDZ 3.0B
UDZ 3.3B
UDZ 3.6B
UDZ 3.9B
UDZ 4.3B
UDZ 4.7B
UDZ 5.1B
UDZ 5.6B
UDZ 6.2B
UDZ 6.8B
UDZ 7.5B
UDZ 8.2B
UDZ 9.1B
UDZ 10B
UDZ 11B
UDZ 12B
UDZ 13B
UDZ 15B
UDZ 16B
UDZ 18B
UDZ 20B
UDZ 22B
UDZ 24B
UDZ 27B
UDZ 30B
UDZ 33B
UDZ 36B
1. The Zener voltage (Vz) is measured 40 ms after power is supplied.
2. The operating resistances (Z
(Ta=25°C)
Zener voltage subdivision
Z
(V)
V
Min. Max. Max. Max. Max.(mA)
2.020 2.200 5 100 5 1000 0.5 120 0.5
2.220 2.410 5 100 5 1000 0.5 120 0.7
2.430 2.630 5 100 5 1000 0.5 120 1.0
2.690 2.910 5 110 5 1000 0.5 100 1.0
3.010 3.220 5 120 5 1000 0.5 50 1.0
3.320 3.530 5 120 5 1000 0.5 20 1.0
3.600 3.845 5 100 5 1000 1.0 10 1.0
3.890 4.160 5 100 5 1000 1.0 5 1.0
4.170 4.430 5 100 5 1000 1.0 5 1.0
4.550 4.750 5 100 5 800 0.5 2 1.0
4.980 5.200 5 80 5 500 0.5 2 1.5
5.490 5.730 5 60 5 200 0.5 1 2.5
6.060 6.330 5 60 5 100 0.5 1 3.0
6.650 6.930 5 40 5 60 0.5 0.5 3.5
7.280 7.600 5 30 5 60 0.5 0.5 4.0
8.020 8.360 5 30 5 60 0.5 0.5 5.0
8.850 9.230 5 30 5 60 0.5 0.5 6.0
9.770 10.210 5 30 5 60 0.5 0.1 7.0
10.760 11.220 5 30 5 60 0.5 0.1 8.0
11.740 12.240 5 30 5 80 0.5 0.1 9.0
12.910 13.490 5 37 5 80 0.5 0.1 10.0
14.340 14.980 5 42 5 80 0.5 0.1 11.0
15.850 16.510 5 50 5 80 0.5 0.1 12.0
17.560 18.350 5 65 5 80 0.5 0.1 13.0
19.520 20.390 5 85 5 100 0.5 0.1 15.0
21.540 22.470 5 100 5 100 0.5 0.1 17.0
23.720 24.780 5 120 5 120 0.5 0.1
26.190 27.530 5 150 5 150 0.5 0.1 21.0
29.190 30.690 5 200 5 200 0.5 0.1 23.0
32.150 33.790 5 250 5 250 0.5 0.1 25.0
35.070 36.870 5 300 5 300 0.5 0.1 27.0
z
, Zzk) are measured by superimposing a minute alternating current on the regulated current (Iz).
Z
I
(mA)
Operating
resistance
Z
Z
(Ω)
UDZ Series
Rising operating
resistance
Z
zk
Z
I
(Ω)
(mA)
I
Z
Reverse current
I
R
(µA)
VR
(V)
19.0
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