MMSZ52xBS Series
SURFACE MOUNT
ZENER DIODE
REVERSE VOLTAGE – 3.0 to 30 Volts
POWER DISSIPATION – 0.2 Watts
FEATURES
Planar die construction
200mW power dissipation rating
Ultra-small surface mount package
MECHANICAL DATA
Case: SOD-323 Plastic
Case Material: “Green” molding compound, UL
flammability classification 94V-0, (No Br. Sb. CI)
Moisture Sensitivity: Level 1 per J-STD-020D
Lead Free in RoHS 2002/95/EC Compliant
SOD-323
SOD-323
Dim. Min. Max.
A 2.50 2.70
B 1.20 1.40
C 1.60 1.80
D 0.25
0.35
E 0.08 0.15
F 0.25 0.40
G --- 1.0
H 0.00 0.10
Dimensions in millimeter
Maximum Ratings & Thermal Characteristics
@ T
A
= 25 unless otherwise specified
Characteristic Symbol
Value
Unit
Forward Voltage @IF=10mA V
F
0.9 V
Power Dissipation P
D
200 mW
Thermal Resistance, Junction to Ambient R
Θ
JA
625 /W
Operating Temperature Range T
J
150
Storage Temperature Range T
STG
-65~+150
Device Marking :
Device P/N Marking Pin Diagram Equivalent Circuit Diagram
MMSZ52XXBS XX=Specific device code
(See below table)
Electrical Characteristics
@
T
A
= 25 unless otherwise specified
Symbol
Parameter
V
Z
Reverse Zener Voltage @ IZT
I
ZT
Reverse Current
Z
ZT
Maximum Zener Impedance @ IZT
I
ZK
Reverse Current
Z
ZK
Maximum Zener Impedance @ IZK
I
R
Reverse Leakage Current @ VR
V
R
Reverse Voltage
I
F
Forward Current
V
F
Forward Voltage @ IF
Zener Voltage Maximum Zener
Impedance
Maximum
Reverse Current
VZ@IZT IZT ZZT@IZT ZZK
@IZK=0.25mA IR @VR
Device Device
marking
Nom Min Max mA uA V
MMSZ5225BS
C5
3.0 2.85
3.15
20 30 1600 50 1.0
MMSZ5226BS
G1
3.3 3.14
3.47
20 28 1600 25 1.0
MMSZ5227BS
G2
3.6 3.42
3.78
20 24 1700 15 1.0
MMSZ5228BS
G3
3.9 3.71
4.10
20 23 1900 10 1.0
MMSZ5229BS
G4
4.3 4.09
4.52
20 22 2000 5.0 1.0
MMSZ5230BS
G5
4.7 4.47
4.94
20 19 1900 5.0 2.0
MMSZ5231BS
E1
5.1 4.85
5.36
20 17 1600 5.0 2.0
MMSZ5232BS
E2
5.6 5.32
5.88
20 11 1600 5.0 3.0
MMSZ5233BS
E3
6.0 5.70
6.30
20 7 1600 5.0 3.5
MMSZ5234BS
E4
6.2 5.89
6.51
20 7 1000 5.0 4.0
MMSZ5235BS
E5
6.8 6.46
7.14
20 5 750 3.0 5.0
MMSZ5236BS
F1
7.5 7.13
7.88
20 6 500 3.0 6.0
MMSZ5237BS
F2
8.2 7.79
8.61
20 8 500 3.0 6.5
MMSZ5238BS
F3
8.7 8.27
9.14
20 8 600 3.0 6.5
MMSZ5239BS
F4
9.1 8.65
9.56
20 10 600 3.0 7.0
MMSZ5240BS
F5
10 9.50
10.50
20 17 600 3.0 8.0
MMSZ5241BS
H1
11 10.45
11.55
20 22 600 2.0 8.4
MMSZ5242BS
H2
12 11.40
12.60
20 30 600 1.0 9.1
MMSZ5243BS
H3
13 12.35
13.65
9.5 13 600 0.5 9.9
MMSZ5244BS
H4 14 13.3
14.7
9.0 15 600 0.1 10
MMSZ5245BS
H5
15 14.25
15.75
8.5 16 600 0.1 11
MMSZ5246BS
J1
16 15.20
16.80
7.8 17 600 0.1 12
MMSZ5248BS
J3
18 17.10
18.90
7.0 21 600 0.1 14
MMSZ5250BS
J5
20 19.00
21.00
6.2 25 600 0.1 15
MMSZ5251BS
K1
22 20.90
23.10
5.6 29 600 0.1 17
MMSZ5252BS
K2
24 22.80
25.20
5.2 33 600 0.1 18
MMSZ5254BS
K4
27 25.65
28.35
5.0 41 600 0.1 21
MMSZ5255BS
K5
28 26.60
29.40
4.5 44 600 0.1 21
MMSZ5256BS
M1 30 28.50
31.50
4.2 49 600 0.1 23
REV.4, Apr-2011, KSJR13
Notes:
1. Device mounted on ceramic PCB; 7.6mm x 9.4mm x 0.87mm with pad areas 25mm2.
2. Tested with pulses, Tp≤1.0ms.
MMSZ52xBS Series
Typical Characteristics
Fig.1 Power Derating Curve Fig.2 Typical Zener Breakdown Characteristics
Fig.3 Typical Zener Breakdown Characteristics Fig.4 Typical Total Capacitance vs. Nominal Zener
Voltage
Legal Disclaimer Notice
MMSZ52xBS
Important Notice and Disclaimer
LSC reserves the right to make changes to this document and its products and specifications
at any time without notice. Customers should obtain and confirm the latest product
information and specifications before final design, purchase or use.
LSC makes no warranty, representation or guarantee regarding the suitability of its products
for any particular purpose, nor does LSC assume any liability for application assistance or
customer product design. LSC does not warrant or accept any liability with products which
are purchased or used for any unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of
LSC.
LSC products are not authorized for use as critical components in life support devices or
systems without express written approval of LSC.