MM3Z5221B~MM3Z5267B
Silicon Planar Zener Diodes
PINNING
Features
• Total power dissipation: Max. 300 mW
• Small plastic package suitable for
surface mounted design
• Tolerance approximately ± 5%
PIN
1
2
1
DESCRIPTION
Cathode
Anode
2
Top View
Simplified outline SOD-323 and symbol
Absolute Maximum Ratings (T
a
= 25
O
C)
Parameter
Power Dissipation
Junction Temperature
Storage Temperature Range
Symbol
P
tot
T
j
T
stg
Value
300
150
- 55 to + 150
Unit
mW
O
C
C
O
Characteristics at T
a
= 25
O
C
Parameter
Thermal Resistance Junction to Ambient Air
Forward Voltage
at I
F
= 10 mA
Symbol
R
θJA
V
F
Max.
417
0.9
Unit
O
C/W
V
MM3Z5221B~MM3Z5267B
Characteristics at T
a
= 25
O
C
Zener Voltage Range
1)
Type
MM3Z5221B
MM3Z5223B
MM3Z5225B
MM3Z5226B
MM3Z5227B
MM3Z5228B
MM3Z5229B
MM3Z5230B
MM3Z5231B
MM3Z5232B
MM3Z5234B
MM3Z5235B
MM3Z5236B
MM3Z5237B
MM3Z5239B
MM3Z5240B
MM3Z5241B
MM3Z5242B
MM3Z5243B
MM3Z5245B
MM3Z5246B
MM3Z5248B
MM3Z5249B
MM3Z5250B
MM3Z5251B
MM3Z5252B
MM3Z5253B
MM3Z5254B
MM3Z5256B
MM3Z5257B
MM3Z5258B
MM3Z5259B
MM3Z5260B
MM3Z5261B
MM3Z5262B
MM3Z5263B
MM3Z5265B
MM3Z5266B
MM3Z5267B
1)
Dynamic Impedance
Z
ZT
Ω
(Max.)
30
30
29
28
24
23
22
19
17
11
7
5
6
8
10
17
22
30
13
16
17
21
23
25
29
33
35
41
49
58
70
80
93
105
125
150
185
230
270
Z
ZK
Ω
(Max.)
1200
1300
1600
1600
1700
1900
2000
1900
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
700
700
800
900
1000
1100
1300
1400
1600
1700
at I
ZK
mA
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Reverse Current
I
R
µA (Max.)
100
75
50
25
15
10
5
5
5
5
5
3
3
3
3
3
2
1
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
0.1
0.1
0.1
0.1
0.1
0.1
at V
R
V
1
1
1
1
1
1
1
2
2
3
4
5
6
6.5
7
8
8.4
9.1
9.9
11
12
14
14
15
17
18
19
21
23
25
27
30
33
36
39
43
47
52
56
Marking
Code
A1
B1
C1
D1
E1
F1
H1
J1
K1
M1
N1
P1
R1
X1
Y1
Z1
A2
B2
C2
D2
E2
F2
N9
H2
J2
K2
P9
M2
N2
P2
R2
X2
Y2
Z2
A3
B3
C3
D3
E3
V
znom
V
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
19
20
22
24
25
27
30
33
36
39
43
47
51
56
62
68
75
l
ZT
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
8.5
7.8
7
6.6
6.2
5.6
5.2
5
4.6
4.2
3.8
3.4
3.2
3
2.7
2.5
2.2
2
1.8
1.7
for
V
ZT
V
2.28…2.52
2.57…2.84
2.85…3.15
3.14…3.47
3.42…3.78
3.71…4.1
4.09…4.52
4.47…4.94
4.85…5.36
5.32…5.88
5.89…6.51
6.46…7.14
7.13…7.88
7.79…8.61
8.65…9.56
9.5…10.5
10.45…11.55
11.4…12.6
12.35…13.65
14.25…15.75
15.2…16.8
17.1…18.9
18.05…19.95
19…21
20.9…23.1
22.8…25.2
23.75…26.25
25.65…28.35
28.5…31.5
31.35…34.65
34.2…37.8
37.05…40.95
40.85…45.15
44.65…49.35
48.45…53.55
53.2…58.8
58.9…65.1
64.6…71.4
71.25…78.75
V
Z
is tested with pulses (20 ms)
MM3Z5221B~MM3Z5267B
300
Power Dissipation: Ptot (mW)
200
100
0
0
25
100
Ambient Temperature: Ta ( C)
O
150
Derating Curve
MM3Z5221B~MM3Z5267B
PACKAGE OUTLINE
Plastic surface mounted package; 2 leads
SOD-323
A
c
H
E
D
A
E
b
p
UNIT
mm
A
1.10
0.80
b
p
0.40
0.25
C
0.15
0.00
D
1.80
1.60
E
1.35
1.15
H
E
2.80
2.30
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