DS18010 Rev. 7 - 2
1 of 3
MMSZ5221B - MMSZ5259B
www.diodes.com
MMSZ5221B - MMSZ5259B
500mW SURFACE MOUNT ZENER DIODE
Planar Die Construction
500mW Power Dissipation
General Purpose, Medium Current
Ideally Suited for Automated Assembly
Processes
Mechanical Data
Features
A
B
C
D
E
G
H
J
Case: SOD-123, Plastic
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020A
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: Cathode Band
Marking: See Below
Weight: 0.01grams (approx.)
Ordering Information: See Page 2
Maximum Ratings
@ T
A
= 25
C unless otherwise specified
Characteristic
Symbol
Value
Unit
Forward Voltage (Note 2)
@ I
F
= 10mA
V
F
0.9
V
Power Dissipation
(Note 1)
P
d
500
mW
Thermal Resistance, Junction to Ambient Air
(Note 1)
R
qJA
350
C/W
Operating and Storage Temperature Range
T
j,
T
STG
-65 to +150
C
Notes:
1. Device mounted on ceramic PCB; 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm
2
.
2. Short duration test pulse used to minimize self-heating effect.
SOD-123
Dim
Min
Max
A
3.55
3.85
B
2.55
2.85
C
1.40
1.70
D
--
1.35
E
0.55 Typical
G
0.25
--
H
0.11 Typical
J
--
0.10
a
0
8
All Dimensions in mm
Month
Jan
Feb
March
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Code
1
2
3
4
5
6
7
8
9
O
N
D
Year
1998
1999
2000
2001
2002
2003
2004
2005
Code
J
K
L
M
N
P
R
S
Date Code Key
XX = Product Type Marking Code (See Page 2)
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
XX
YM
Marking Information
DS18010 Rev. 7 - 2
2 of 3
MMSZ5221B - MMSZ5259B
www.diodes.com
Type
Number
Type
Code
Zener Voltage Range (Note 2)
Test
Current
Maximum Zener
Impedance (Note 3)
Maximum Reverse
Leakage Current (Note 2)
V
Z
@ I
ZT
I
ZT
Z
ZT @
I
ZT
Z
ZK
@ I
ZK
= 0.25mA
I
R
@ V
R
Nom (V)
Min (V)
Max (V)
mA
W
mA
V
MMSZ5221B
C1
2.4
2.28
2.52
20
30
1200
100
1.0
MMSZ5223B
C3
2.7
2.57
2.84
20
30
1300
75
1.0
MMSZ5225B
C5
3.0
2.85
3.15
20
30
1600
50
1.0
MMSZ5226B
G1
3.3
3.14
3.47
20
28
1600
25
1.0
MMSZ5227B
G2
3.6
3.42
3.78
20
24
1700
15
1.0
MMSZ5228B
G3
3.9
3.71
4.10
20
23
1900
10
1.0
MMSZ5229B
G4
4.3
4.09
4.52
20
22
2000
5.0
1.0
MMSZ5230B
G5
4.7
4.4 7
4.94
20
19
1900
5.0
2.0
MMSZ5231B
E1
5.1
4.85
5.36
20
17
1600
5.0
2.0
MMSZ5232B
E2
5.6
5.32
5.88
20
11
1600
5.0
3.0
MMSZ5233B
E3
6.0
5.70
6.30
20
7
1600
5.0
3.5
MMSZ5234B
E4
6.2
5.89
6.51
20
7
1000
5.0
4.0
MMSZ5235B
E5
6.8
6.46
7.14
20
5
750
3.0
5.0
MMSZ5236B
F1
7.5
7.13
7.88
20
6
500
3.0
6.0
MMSZ5237B
F2
8.2
7.79
8.61
20
8
500
3.0
6.5
MMSZ5238B
F3
8.7
8.27
9.14
20
8
600
3.0
6.5
MMSZ5239B
F4
9.1
8.65
9.56
20
10
600
3.0
7.0
MMSZ5240B
F5
10
9.50
10.50
20
17
600
3.0
8.0
MMSZ5241B
H1
11
10.45
11.55
20
22
600
2.0
8.4
MMSZ5242B
H2
12
11.40
12.60
20
30
600
1.0
9.1
MMSZ5243B
H3
13
12.35
13.65
9.5
13
600
0.5
9.9
MMSZ5245B
H5
15
14.25
15.75
8.5
16
600
0.1
11
MMSZ5246B
J1
16
15.20
16.80
7.8
17
600
0.1
12
MMSZ5248B
J3
18
17.10
18.90
7.0
21
600
0.1
14
MMSZ5250B
J5
20
19.00
21.00
6.2
25
600
0.1
15
MMSZ5251B
K1
22
20.90
23.10
5.6
29
600
0.1
17
MMSZ5252B
K2
24
22.80
25.20
5.2
33
600
0.1
18
MMSZ5254B
K4
27
25.65
28.35
5.0
41
600
0.1
21
MMSZ5255B
K5
28
26.60
29.40
4.5
44
600
0.1
21
MMSZ5256B
M1
30
28.50
31.50
4.2
49
600
0.1
23
MMSZ5257B
M2
33
31.35
34.65
3.8
58
700
0.1
25
MMSZ5258B
M3
36
34.20
37.80
3.4
70
700
0.1
27
MMSZ5259B
M4
39
37.05
40.95
3.2
80
800
0.1
30
Electrical Characteristics
@ T
A
= 25
C unless otherwise specified
Notes:
1. Device mounted on ceramic PCB; 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm
2
.
2. Short duration test pulse used to minimize self-heating effect.
3. f = 1KHz.
* Add "-7" to the appropriate type number in Table 1 above example: 6.2V Zener = MMSZ5234B-7.
Notes:
4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Device
Packaging
Shipping
(Type Number)-7*
SOD-123
3000/Tape & Reel
Ordering Information
(Note 4)
DS18010 Rev. 7 - 2
3 of 3
MMSZ5221B - MMSZ5259B
www.diodes.com
0
0.1
0.2
0.3
0.4
0.5
25
0
50
75
100
125
150
P,
P
O
WER
DISSIP
A
T
I
O
N
(W)
D
T , AMBIENT TEMPERATURE (
C)
A
Fig. 1 Power Dissipation vs Ambient Temperature
0.6
C
,
T
O
T
A
L
C
AP
ACIT
ANCE
(pF)
T
10
100
1000
10
100
1
V , NOMINAL ZENER VOLTAGE (V)
Z
Fig. 2 Total Capacitance vs Nominal Zener Voltage
T = 25 C
j
V = 1V
R
V = 2V
R
0
0.1
0.2
0.3
0.4
0.5
25
0
50
75
100
125
150
P,
P
O
WER
DISSIP
A
T
I
O
N
(W)
D
T , AMBIENT TEMPERATURE (
C)
A
Fig. 1 Power Dissipation vs Ambient Temperature
0.6
1
10
100
1000
1
10
100
V , NOMINAL ZENER VOLTAGE (V)
Z
Fig. 3 Zener Voltage vs. Zener Impedence
I = 1.0mA
Z
0
10
20
30
0
I
,
ZENER
CURRENT
(
mA)
Z
V , ZENER VOLTAGE (V)
Z
Fig. 6 Zener Breakdown Characteristics
10
20
30
40
T = 25C
j
Test current I
Z
10
12
18
22
27
33
36
15
39
Nominal Zener Voltage
0
10
20
30
40
50
0
1
2
3
4
5
6
7
8
9
10
I
,
ZENER
CURRENT
(mA)
Z
V , ZENER VOLTAGE (V)
Z
Fig. 5 Zener Breakdown Characteristics
T = 25C
j
5V6
6V8
8V2
Test Current I
Z
20mA
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