DATA SHEET
MMSZ5221BS SERIES
SURFACE MOUNT SILICON ZENER DIODES
VOLTAGE
2.4 to 39 Volts
POWER
200 mWatts
SOD-323
Unit: inch (mm)
FEATURES
• Planar Die construction
.054(1.35)
.045(1.15)
• 200mW Power Dissipation
• Ideally Suited for Automated Assembly Processes
• Pb free product are available :
99% Sn above can meet Rohs
environment substance directive request
.078(1.95)
.068(1.75)
.014(.35)
.009(.25)
.038(.95)
.027(.70)
.006(.15)
MECHANICAL DATA
• Case: SOD-323, Molded Plastic
• Terminals: Solderable per MIL-STD-202G, Method 208
• Polarity: See Diagram Below
• Approx. Weight: 0.008 grams
• Mounting Position: Any
.107(2.7)
.090(2.3)
.012(.30)MIN.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Parameter
Maximum Forward Voltage Drop at IF=100mA
Maximum Power Dissipation (Notes A) at 25
O
C
Peak Forward Surge Current, 8.3ms single half
sine-wave superimposed on rated load (JEDEC method) (Notes B)
Operating Junction and StorageTemperature Range
Symbol
V
F
Value
1.0
200
4.0
-55 to +150
Units
V
mW
Amps
O
P
D
I
FSM
T
J
.002(.05)
C
NOTES:
A. Mounted on 5.0mm
2
(.013mm thick) land areas.
B. Measured on 8.3ms, single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.
STAD-FEB.23.2004
PAGE . 1
Nominal Zener Voltage
Part Number
Marking
C ode
No m. V
Max. Zener Impedance
Z
ZT
@ I
ZT
Z
ZK
@ I
ZK
Ω
mA
Max Reverse
Leakage Current
I
R
@ V
R
µ
A
V
V
Z
@ I
ZT
M i n. V
M a x. V
Ω
mA
200 mWatts Zener Diodes
MMSZ5221BS
MMSZ5222BS
MMSZ5223BS
MMSZ5225BS
MMSZ5226BS
MMSZ5227BS
MMSZ5228BS
MMSZ5229BS
MMSZ5230BS
MMSZ5231BS
MMSZ5232BS
MMSZ5234BS
MMSZ5235BS
MMSZ5236BS
MMSZ5237BS
MMSZ5239BS
MMSZ5240BS
MMSZ5241BS
MMSZ5242BS
MMSZ5243BS
MMSZ5245BS
MMSZ5246BS
MMSZ5248BS
MMSZ5250BS
MMSZ5251BS
MMSZ5252BS
MMSZ5254BS
MMSZ5255BS
MMSZ5256BS
MMSZ5257BS
MMSZ5258BS
MMSZ5259BS
C1
C2
C3
C5
D1
D2
D3
D4
D5
E1
E2
E4
E5
F1
F2
F4
F5
H1
H2
H3
H5
J1
J3
J5
K1
K2
K4
K5
M1
M2
M3
M4
2.4
2.5
2.7
3
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
20
22
24
27
28
30
33
36
39
2.28
2.38
2.57
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.89
6.46
7.13
7.79
8.65
9.50
10.45
11.40
12.35
14.25
15.20
17.10
19.00
20.90
22.80
25.65
26.60
28.50
31.35
34.20
37.05
2.52
2.63
2.84
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.51
7.14
7.88
8.61
9.56
10.50
11.55
12.60
13.65
15.75
16.80
18.90
21.00
23.10
25.20
28.35
29.40
31.50
34.65
37.80
40.95
30
30
30
30
28
24
23
22
19
17
11
7
5
6
8
10
17
22
30
13
16
17
21
25
29
33
41
44
49
58
70
80
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
9.5
8.5
7.8
7.0
6.2
5.6
5.2
5.0
4.5
4.2
3.8
3.4
3.2
1200
1250
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
700
700
800
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
100
100
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
2.0
1.0
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
4.0
5.0
6.0
6.0
6.5
8.0
8.4
9.1
9.9
11.0
12.0
14.0
15.0
17.0
18.0
21.0
21.0
23.0
25.0
27.0
30.0
STAD-FEB.23.2004
PAGE . 2
TEMPERATURE COEFFICIENT,(mA/
O
C)
8
7
6
5
4
3
2
1
TEMPERATURE COEFFICIENT,(mA/
O
C)
100
10
0
-1
-2
-3
2
3
4
5
6
7
8
9
10
11
12
1
10
100
NOMINAL ZENER VOLTAGE,VOLTS
NOMINAL ZENER VOLTAGE,VOLTS
Fig.1 TEMPERATURE COEFFICENTS
Fig.2 TEMPERATURE COEFFICENTS
1000
DYNAMIC IMPEDANCE,W
FORWARD CURRENT,mA
T
J
=25 C
I
Z(AC)=0.1
I
Z(DC)
F=1 kHZ
O
1000
IZ = 1 mA
100
5 mA
20 mA
100
10
10
150 C
75
O
C
O
25 C
O
5C
O
1
1
10
NORMAL ZENER VOLTAGE, VOLTS
100
1
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
FORWARD VOLTAGE, VOLTS
Fig.3 EFFECT OF ZENER VOLTAGE ON ZENER IMPEDANCE
Fig.4 TYPICAL FORWARD VOLTAGE
1000
0.6
POWER DISSIPATION, Watts
0 V BIAS
1 V BIAS
T
A
=25
O
C
T
A
=25
o
C
0.5
0.4
0.3
CAPACITANCE,pF
100
BIASAT
50% OF VZ NOM
10
0.2
0.1
1
0
0
25
50
75
100
125
150
1
10
NORMAL ZENER VOLTAGE, VOLTS
100
TEMPERATURE (
O
C)
Fig.5 STEADY STATE POWER DERATING
Fig.6 TYPICAL CAPACITANCE
STAD-FEB.23.2004
PAGE . 3
10
-1
10
0
ZENER CURRENT, Amperes
ZENER CURRENT, Amperes
10
-1
2.4V
3.0V
4.7V
6.8V
10V
10
-2
10
-2
15V
20V
30V
39V
10
-3
10
-3
10
-4
10
-5
10
-4
10
-6
10
-7
10
-5
10
-8
0
2
4
6
8
10
12
10
15
20
25
30
35
40
45
ZENER VOLTAGE, VOLTS
Fig.7 ZENER VOLTAGE VERSUS ZENER CURRENT
ZENER VOLTAGE, VOLTS
Fig.8 ZENER VOLTAGE VERSUS ZENER CURRENT
1000
LEAKAGE CURRENT,uA
100
10
1
0.1
0.01
0.001
0.0001
0.00001
0
10
20
30
40
50
60
70
+150 C
O
+25 C
-55 C
80
90
O
O
NORMAL ZENER VOLTAGE, VOLTS
Fig.9 TYPICAL LEAKAGE CURRENT
STAD-FEB.23.2004
PAGE . 4
MOUNTING PAD LAYOUT
SOD-323
Unit: inch (mm)
0.063(1.6)
0.035(0.9)
0.031(0.8)
0.120 (3.04) MAX
ORDER INFORMATION
• Packing information
T/R - 12K per 13" plastic Reel
T/R - 5.0K per 7" plastic Reel
LEGAL STATEMENT
IMPORTANT NOTICE
This information is intended to unambiguously characterize the product in order to facilitate the customer's evaluation
of the device in the application. The information will help the customer's technical experts determine that the device is
compatible and interchangeable with similar devices made by other vendors. The information in this data sheet is believed
to be reliable and accurate. The specifications and information herein are subject to change without notice. New products
and improvements in products and product characterization are constantly in process. Therefore, the factory should be
consulted for the most recent information and for any special characteristics not described or specified.
Copyright Pan Jit International Inc. 2003
All rights reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright
owner.
The information presented in this document does not form part of any quotation or contract. The information presented is
believed to be accurate and reliable, and may change without notice in advance. No liability will be accepted by the
publisher for any consequence of use.Publication thereof does not convey nor imply any license under patent or other
industrial or intellectual property rights.
STAD-NOV.15.2004
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