RLZ Series
Diodes
Zener diode
RLZ Series
Applications
Constant voltage control.
External dimensions
(Units : mm)
CATHODE BAND
Features
1) Small surface mounting type. (LLDS)
2) High reliability.
0.4
0.4
3.4
+0.2
−0.1
3rd
2nd
1st
∗
3 color bands are printed on body
φ1.4±0.1
φ1.5Max.
Construction
Silicon epitaxial planar
ROHM : LLDS
EIAJ :
−
JEDEC : LL-34
Cathode epitaxial planar
Type
RLZ 2.0
RLZ 2.2
RLZ 2.4
RLZ 2.7
RLZ 3.0
RLZ 3.3
RLZ 3.6
RLZ 3.9
RLZ 4.3
RLZ 4.7
RLZ 5.1
RLZ 5.6
RLZ 6.2
RLZ 6.8
RLZ 7.5
RLZ 8.2
1st color band 2nd color band 3rd color band
Black
Brown
Black
Red
Black
Orange
Black
Yellow
BIack
Green
∗
Black
Blue
A : Yellow
Black
Purple
B : Green
Black
Gray
C : Blue
Black
White
D : White
Brown
Black
Brown
Brown
Brown
Red
Brown
Orange
Brown
Yellow
Brown
Green
Brown
Blue
Type
RLZ 9.1
RLZ 10
RLZ 11
RLZ 12
RLZ 13
RLZ 15
RLZ 16
RLZ 18
RLZ 20
RLZ 22
RLZ 24
RLZ 27
RLZ 30
RLZ 33
RLZ 36
RLZ 39
1st color band 2nd color band 3rd color band
Brown
Purple
Brown
Gray
Brown
White
Red
Black
Red
Brown
∗
Red
Red
A : Yellow
Red
Orange
B : Green
Red
Yellow
C : Blue
Red
Green
D : White
Red
Blue
Red
Purple
Red
Gray
Red
White
Orange
Black
Orange
Brown
Orange
Red
∗
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.
Absolute maximum ratings
(Ta=25°C)
Parameter
Power dissipation
Junction temperature
Storage temperature
Symbol
P
T
j
T
stg
Limite
500
175
−65∼+175
Unit
mW
˚C
˚C
RLZ Series
Diodes
Zener voltage
Type
Rank
A
B
C
A
B
C
A
B
C
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
Min.
13.44
13.89
14.35
14.80
15.25
15.69
16.22
16.82
17.42
18.02
18.63
19.23
19.72
20.15
20.64
21.08
21.52
22.05
22.61
23.12
23.63
24.26
24.97
25.63
26.29
26.99
27.70
28.36
29.02
29.68
30.32
30.90
31.49
32.14
32.79
33.40
34.01
34.68
35.36
36.00
36.63
V
Z
(V)
Max.
14.13
14.62
15.09
15.57
16.04
16.51
17.06
17.70
18.33
18.96
19.59
20.22
20.72
21.20
21.71
22.17
22.63
23.18
23.77
24.31
24.85
25.52
26.26
26.95
27.64
28.39
29.13
29.82
30.51
31.22
31.88
32.50
33.11
33.79
34.49
35.13
35.77
36.47
37.19
37.85
38.52
I
Z
(mA)
10
Operating
resistance
Z
Z
(Ω)
I
Z
Max.
(mA)
16
10
Rising operating
resistance
Z
ZK
(Ω)
I
Z
Max.
(mA)
110
0.5
Reverse
current
I
R
(µA)
V
R
Max.
(V)
0.2
11
RLZ 15
RLZ 16
10
18
10
150
0.5
0.2
12
RLZ 18
10
23
10
150
0.5
0.2
13
RLZ 20
10
28
10
200
0.5
0.2
15
RLZ 22
5
30
5
200
0.5
0.2
17
RLZ 24
5
35
5
200
0.5
0.2
19
RLZ 27
5
45
5
250
0.5
0.2
21
RLZ 30
5
55
5
250
0.5
0.2
23
RLZ 33
5
65
5
250
0.5
0.2
25
RLZ 36
5
75
5
250
0.5
0.2
27
RLZ 39
5
85
5
250
0.5
0.2
30
∗
(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
Electrical characteristic curves
(Ta=25°C)
100
ZENER CURRENT : I
Z
(mA)
Ta=25˚C
P
d=
400mW
100
50
Ta=25°C
100
50
50
20
10
5
3.6
ZENER CURRENT : I
Z
(mA)
20
10
5
20
22
24
13
P
d=
400mW
ZENER VOLTAGE : V
Z
(mA)
20
P
d=
400mW
10
5
2
1
0.5
15
16
3.9
30
33
36
2
1
2
1
0.5
18
27
5.6
9.1
10
11
0
2
4
6.2
6.8
7.5
8.2
4.3
4.7
5.1
0.5
6
8
10
12
12
14
16
0
14
16
18
20
22
24
26
28
0
28
30
32
34
39
36
38
40
42
ZENER VOLTAGE : V
Z
(V)
ZENER VOLTAGE : V
Z
(V)
ZENER VOLTAGE : V
Z
(V)
Fig.1 RLZ3.9∼RLZ12 Zener
characteristics
Fig.2 RLZ13∼RLZ27 Zener
characteristics
Fig.3 RLZ30∼RLZ39 Zener
characteristics
700
POWER DISSIPATION : P (mW)
TEMP. COEFFICIENT CHARACTERISTICS (% / ˚C)
0.10
Iz=5mA
600
500
400
300
200
100
0
0
0.08
Iz=10mA
0.06
0.04
0.02
0.00
−0.02
−0.04
−0.06
−0.08
2
10
20
30
40
ZENER VOLTAGE : Vz (V)
50
Iz=10mA
Iz=5mA
25
50
100
150 175 200
AMBIENT TEMPERATURE : Ta (˚C)
Fig.4 Derating curve
Fig.5 Zener voltage -
temp.coefficient characteristics
Microcontroller MCU
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