DATA SHEET
MMSZ5229AS SERIES
SURFACE MOUNT SILICON ZENER DIODES
VOLTAGE
POWER
4.3 to 39 Volts
500 mWatts
SOD-323
Unit: inch (mm)
FEATURES
• Planar Die construction
.054(1.35)
.045(1.15)
• 500mW 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-123, Molded Plastic
• Terminals: Solderable per MIL-STD-750, Method 2026
• Polarity: See Diagram Below
• Approx. Weight: 10.2mg
• 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 T
L
=75
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
500
4.0
-50 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-JAN.22.2005
PAGE . 1
No minal Ze ne r Vo ltag e
Part Number
Marking
C ode
No m. V
500 mWatts Zener Diodes
MMSZ5229AS
MMSZ5230AS
MMSZ5231AS
MMSZ5232AS
MMSZ5234AS
MMSZ5235AS
MMSZ5236AS
MMSZ5237AS
MMSZ5239AS
MMSZ5240AS
MMSZ5241AS
MMSZ5242AS
MMSZ5243AS
MMSZ5244AS
MMSZ5245AS
MMSZ5246AS
MMSZ5247AS
MMSZ5248AS
MMSZ5250AS
MMSZ5251AS
MMSZ5252AS
MMSZ5254AS
MMSZ5255AS
MMSZ5256AS
MMSZ5257AS
MMSZ5258AS
MMSZ5259AS
Z9
Z0
ZA
ZB
ZC
ZD
ZE
ZF
ZG
ZH
ZI
ZJ
ZK
ZL
ZM
ZN
ZO
ZP
ZQ
ZR
ZS
ZT
ZU
ZV
ZW
ZX
ZY
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
14
15
16
17
18
20
22
24
27
28
30
33
36
39
4.21
4.61
5.00
5.49
6.08
6.66
7.35
8.04
8.92
9.80
10.78
11.76
12.74
13.72
14.70
15.68
16.66
17.64
19.60
21.56
23.52
26.46
27.44
29.40
32.34
35.28
38.22
4.39
4.79
5.20
5.71
6.32
6.94
7.65
8.36
9.28
10.20
11.22
12.24
13.26
14.28
15.30
16.32
17.34
18.36
20.40
22.44
24.48
27.54
28.56
30.60
33.66
36.72
39.78
22
19
17
11
7
5
6
8
10
17
22
30
13
15
16
17
18
21
25
29
33
41
44
49
58
70
80
V
Z
@ I
ZT
M i n. V
M a x. V
Ω
Max. Ze ne r Imp e d ance
Z
ZT
@ I
ZT
mA
Ω
Z
ZK
@ I
ZK
mA
Max Re ve rse
Le akag e Curre nt
I
R
@ V
R
µA
V
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
9.0
8.5
7.8
7.5
7.0
6.2
5.6
5.2
5.0
4.5
4.2
3.8
3.4
3.2
2000
1900
1600
1600
1000
750
500
500
600
600
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
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
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
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
10.5
11.0
12.0
13.0
14.0
15.0
17.0
18.0
21.0
21.0
23.0
25.0
27.0
30.0
STAD-JAN.22.2005
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
IZ = 1 mA
FORWARD CURRENT,mA
T
J
=25 C
I
Z(AC)=0.1
I
Z(DC)
F=1 kHZ
O
1000
100
5 mA
20 mA
100
10
10
150
O
C
75 C
O
25
O
C
5
O
C
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
CAPACITANCE,pF
T
A
=25
o
C
0.5
0.4
0.3
0.2
0.1
0
100
BIASAT
50% OF VZ NOM
10
1
0
25
50
75
100
125
150
1
10
NORMAL ZENER VOLTAGE, VOLTS
100
LEAD
TEMPERATURE (
O
C)
Fig.5 STEADY STATE POWER DERATING
Fig.6 TYPICAL CAPACITANCE
STAD-JAN.22.2005
PAGE . 3
10
-1
10
0
ZENER CURRENT, Amperes
ZENER CURRENT, Amperes
MMSZ5221B
MMSZ5225B
MMSZ5230B
MMSZ5235B
10
-1
MMSZ5240B
10
-2
10
-2
MMSZ5245B
MMSZ5250B
MMSZ5256B
MMSZ5259B
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-JAN.22.2005
PAGE . 4
MOUNTING PAD LAYOUT
ORDER INFORMATION
• Packing information
T/R - 12K per 13" plastic Reel
T/R - 5K 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-AUG.06.2004
PAGE . 5
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