MMSZ52xB Series
SURFACE MOUNT
ZENER DIODE
FEATURES
REVERSE VOLTAGE – 3.0 to 30 Volts
POWER DISSIPATION – 0.5 Watts
SOD-123
SOD-123
Dim.
A
Min.
3.55
1.50
2.60
0.45
0.08
0.25
1.05
0.00
Max.
3.85
1.70
2.80
0.65
0.15
0.45
1.25
0.10
•
Planar die construction
•
500mW power dissipation rating
•
Ultra-small surface mount package
MECHANICAL DATA
•
Case: SOD-123 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
B
C
D
E
F
G
H
Dimensions in millimeter
Maximum Ratings & Thermal Characteristics
@ T
A
= 25℃ unless otherwise specified
Characteristic
Forward Voltage
Power Dissipation
Thermal Resistance, Junction to Ambient
Operating Temperature Range
Storage Temperature Range
@IF=10mA
Symbol
V
F
P
D
R
Θ
JA
T
J
T
STG
Value
Unit
V
mW
℃
/W
℃
℃
0.9
500
357
150
-65~+150
Device Marking :
Device P/N
MMSZ52XXB
Marking
XX=Specific device code
(See below table)
Pin Diagram
Equivalent Circuit Diagram
Electrical Characteristics
@
T
A
= 25℃ unless otherwise specified
Symbol
V
Z
I
ZT
Z
ZT
I
ZK
Z
ZK
I
R
V
R
I
F
V
F
Parameter
Reverse Zener Voltage @ IZT
Reverse Current
Maximum Zener Impedance @ IZT
Reverse Current
Maximum Zener Impedance @ IZK
Reverse Leakage Current @ VR
Reverse Voltage
Forward Current
Forward Voltage @ IF
Zener Voltage
Device
Device
marking
Nom
VZ@IZT
Min
Max
IZT
mA
Maximum Zener
Impedance
ZZT@IZT
ZZK
@IZK=0.25mA
Maximum
Reverse Current
IR @VR
uA
V
MMSZ5225B
MMSZ5226B
MMSZ5227B
MMSZ5228B
MMSZ5229B
MMSZ5230B
MMSZ5231B
MMSZ5232B
MMSZ5233B
MMSZ5234B
MMSZ5235B
MMSZ5236B
MMSZ5237B
MMSZ5238B
MMSZ5239B
MMSZ5240B
MMSZ5241B
MMSZ5242B
MMSZ5243B
MMSZ5244B
MMSZ5245B
MMSZ5246B
MMSZ5248B
MMSZ5250B
MMSZ5251B
MMSZ5252B
MMSZ5254B
MMSZ5256B
C5
G1
G2
G3
G4
G5
E1
E2
E3
E4
E5
F1
F2
F3
F4
F5
H1
H2
H3
H4
H5
J1
J3
J5
K1
K2
K4
M1
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.0
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
18
20
22
24
27
30
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.70
5.89
6.46
7.13
7.79
8.27
8.65
9.50
10.45
11.40
12.35
13.3
14.25
15.20
17.10
19.00
20.90
22.80
25.65
28.50
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.30
6.51
7.14
7.88
8.61
9.14
9.56
10.50
11.55
12.60
13.65
14.70
15.75
16.80
18.90
21.00
23.10
25.20
28.35
31.50
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9.0
8.5
7.8
7.0
6.2
5.6
5.2
5.0
4.2
30
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
15
16
17
21
25
29
33
41
49
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
50
25
15
10
5.0
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
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
3.5
4.0
5.0
6.0
6.5
6.5
7.0
8.0
8.4
9.1
9.9
10
11
12
14
15
17
18
21
23
REV.6, Apr-2011, KSJR12
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.
MMSZ52xB 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
MMSZ52xB
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.
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