RLZ Series
Diodes
Zener diode
RLZ Series
zApplications
Constant voltage control.
zFeatures
1) Small surface mounting type. (LLDS)
2) High reliability .
zConstruction
Silicon epitaxial planar
z
zz
zExternal dimensions (Un its : m m)
∗ 3 color bands are printed on body
−0.1
+0.2 φ1.5Max.
φ1.4±0.1
0.40.4
CATHODE BAND
ROHM : LLDS
EIAJ : −
JEDEC : LL-34
1st
3rd
2nd
3.4
z
zz
zCat hode epit axial plan ar
1st color band
2nd
c
olor band
3rd color band Type 1st color band
2nd
c
olor band
3rd color band
RLZ 2.0 Black Brown
A : Yellow
B : Green
C : Blue
D : White
RLZ 13 Red Brown
A : Yellow
B : Green
C : Blue
D : White
RLZ 2.2 Black Red
RLZ 15 Red Red
RLZ 2.4 Black Orange
RLZ 16 Red Orange
RLZ 2.7 Black Yellow
RLZ 18 Red Yellow
RLZ 3.0 BIack Green
RLZ 20 Red Green
RLZ 3.3 Black Blue
RLZ 22 Red Blue
RLZ 3.6 Black Purple
RLZ 24 Red Purple
RLZ 3.9 Black Gray
RLZ 27 Red Gray
RLZ 4.3 Black White
RLZ 30 Red White
RLZ 4.7 Brown Black
RLZ 33 Orange Black
RLZ 5.1 Brown Brown
RLZ 36 Orange Brown
RLZ 5.6 Brown Red
RLZ 39 Orange Red
RLZ 6.2 Brown Orange
RLZ 6.8 Brown Yellow
RLZ 7.5 Brown Green
RLZ 8.2 Brown Blue
RLZ 9.1 Brown Purple
RLZ 10 Brown Gray
RLZ 11 Brown White
RLZ 12 Red Black
Type
∗∗
∗
Products are grouped into colors A, B, C, and D, and listed in order within each group.
For RLZ2.0A, 3rd color band is yellow.
z
zz
zAbsolute maximum ratings (Ta=25°C)
Parameter Symbol Limite Unit
Power dissipation P mW
Junction temperature 175 ˚C
Storage temperature ˚C
500
Tj
Tstg −65∼+175
RLZ Series
Diodes
z
zz
zElectrical characteristics (Ta=25°C)
(Ω)
Type
Zener voltage Operating
resistance Rising operating
resistance Reverse
current
V
Z
(V) I
Z
(mA) V
R
(V)
I
Z
(mA)
I
Z
(mA)
Max. Max.Min. Max. Max.
RLZ 2.0
A 1.880 2.100 20 140 20 2000 1 120 0.5
B 2.020 2.200
RLZ 2.2
A 2.120 2.300 20 120 20 2000 1 120 0.7
B 2.220 2.410
RLZ 2.4
A 2.330 2.520 20 100 20 2000 1 120 1.0
B 2.430 2.630
RLZ 2.7
A 2.540 2.750 20 100 20 1000 1 100 1.0
B 2.690 2.910
RLZ 3.0
A 2.850 3.070 20 80 20 1000 1 50 1.0
B 3.010 3.220
RLZ 3.3
A 3.160 3.380 20 70 20 1000 1 20 1.0
B 3.320 3.530
RLZ 3.6
A 3.455 3.695 20 60 20 1000 1 10 1.0
B 3.600 3.845
RLZ 3.9
A 3.74 4.01 20 50 20 1000 1 5 1.0
B 3.89 4.16
RLZ 4.3
A 4.04 4.29 20 40 20 1000 1 5 1.0B 4.17 4.43
C 4.30 4.57
RLZ 4.7
A 4.44 4.68 20 25 20 900 1 5 1.0B 4.55 4.80
C 4.68 4.93
RLZ 5.1
A 4.81 5.07 20 20 20 800 1 5 1.5B 4.94 5.20
C 5.09 5.37
RLZ 5.6
A 5.28 5.55 20 13 20 500 1 5 2.5B 5.45 5.73
C 5.61 5.91
RLZ 6.2
A 5.78 6.09 20 10 20 300 1 5 3.0B 5.96 6.27
C 6.12 6.44
RLZ 6.8
A 6.29 6.63 20 8 20 150 0.5 2 3.5B 6.49 6.83
C 6.66 7.01
RLZ 7.5
A 6.85 7.22 20 8 20 120 0.5 0.5 4.0B 7.07 7.45
C 7.29 7.67
RLZ 8.2
A 7.53 7.92 20 8 20 120 0.5 0.5 5.0B 7.78 8.19
C 8.03 8.45
RLZ 9.1
A 8.29 8.73 20 8 20 120 0.5 0.5 6.0B 8.57 9.01
C 8.83 9.30
RLZ 10
A 9.12 9.59
20 8 20 120 0.5 0.2 7.0
B 9.41 9.90
C 9.70 10.20
D 9.94 10.44
RLZ 11
A 10.18 10.71 10 10 10 120 0.5 0.2 8.0B 10.50 11.05
C 10.82 11.38
RLZ 12
A 11.13 11.71 10 12 10 110 0.5 0.2 9.0B 11.44 12.03
C 11.74 12.35
RLZ 13
A 12.11 12.75 10 14 10 110 0.5 0.2 10B 12.55 13.21
C 12.99 13.66
Z
Z
Z
ZK
(Ω)I
R
(µA)
Rank
RLZ Series
Diodes
Type
Zener voltage Operating
resistance Rising operating
resistance Reverse
current
RLZ 15 A 13.44 14.13 10 16 10 110 0.5 0.2 11B 13.89 14.62
C 14.35 15.09
RLZ 16 A 14.80 15.57 10 18 10 150 0.5 0.2 12B 15.25 16.04
C 15.69 16.51
RLZ 18 A 16.22 17.06 10 23 10 150 0.5 0.2 13B 16.82 17.70
C 17.42 18.33
RLZ 20
A 18.02 18.96
10 28 10 200 0.5 0.2 15
B 18.63 19.59
C 19.23 20.22
D 19.72 20.72
RLZ 22
A 20.15 21.20
5 30 5 200 0.5 0.2 17
B 20.64 21.71
C 21.08 22.17
D 21.52 22.63
RLZ 24
A 22.05 23.18
5 35 5 200 0.5 0.2 19
B 22.61 23.77
C 23.12 24.31
D 23.63 24.85
RLZ 27
A 24.26 25.52
5 45 5 0.5 0.2 21
B 24.97 26.26
C 25.63 26.95
D 26.29 27.64
RLZ 30
A 26.99 28.39
5 55 5 250 0.5 0.2 23
B 27.70 29.13
C 28.36 29.82
D 29.02 30.51
RLZ 33
A 29.68 31.22
5 65 5 250 0.5 0.2 25
B 30.32 31.88
C 30.90 32.50
D 31.49 33.11
RLZ 36
A 32.14 33.79
5 75 5 250 0.5 0.2 27
B 32.79 34.49
C 33.40 35.13
D 34.01 35.77
A 34.68 36.47
RLZ 39 5 85 5 250 0.5 0.2 30
B 35.36 37.19
C 36.00 37.85
D 36.63 38.52
250
V
Z
(V) I
Z
(mA) V
R
(V)
I
Z
(mA)
I
Z
(mA)
Max. Max.Min. Max. Max.
Z
Z
(Ω)Z
ZK
(Ω)I
R
(µA)
Rank
∗(1) The Zener voltage is measured 40 ms after power is supplied.
(2) Specify Zener voltage rank ( A, B or C) when ordering parts.
RLZ Series
Diodes
z
zz
zElectrical characteristic curves (Ta=25°C)
0
Ta=25˚C
P
d=
400mW
2 4 6 8 10121416
0.5
1
2
5
10
20
50
100
3.9
3.6
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
ZENER CURRENT : I
Z
(mA)
ZENER VOLTAGE : V
Z
(V)
Fig.1 RLZ3.9∼RLZ12 Zener
characteristics
0
Ta=25°C
Pd=400mW
14 16 18 20 22 24 26 28
0.5
1
2
5
10
20
50
100
13
15
16
18
20
22
24
27
ZENER CURRENT : IZ (mA)
ZENER VOLTAGE : VZ (V)
Fig.2 RLZ13∼RLZ27 Zener
characteristics
0
Pd=400mW
0.5
1
2
5
10
20
50
100
30
33
36
39
28 30 32 34 36 38 40 42
ZENER VOLTAGE : VZ (mA)
ZENER VOLTAGE : VZ (V)
Fig.3 RLZ30∼RLZ39 Zener
characteristics
0
025 50 100 150 175 200
700
600
500
400
300
200
100
AMBIENT TEMPERATURE : Ta (˚C)
POWER DISSIPATION : P (mW)
Fig.4 Derating curve
−0.08
−0.06
−0.04
−0.02
0.00
0.02
0.04
0.06
0.08
0.10
Iz=5mA
Iz=5mA
Iz=10mA
Iz=10mA
TEMP. COEFFICIENT CHARACTERISTICS (% / ˚C)
Fig.5 Zener voltage -
temp.coefficient characteristics
210 20 30 40 50
ZENER VOLTAGE : Vz (V)
