MMSZ4x Series
SURFACE MOUNT
ZENER DIODE
REVERSE VOLTAGE – 1.8 to 43 Volts
POWER DISSIPATION – 0.5 Watts
FEATURES
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
SOD-123
SOD-123
Dim. Min. Max.
A 3.55 3.85
B 1.50 1.70
C 2.60 2.80
D 0.45
0.65
E 0.08 0.15
F 0.25 0.45
G 1.05 1.25
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
500 mW
Thermal Resistance, Junction to Ambient R
Θ
JA
357 /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
MMSZ4678 XXX=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
Reverse Current
VZ@IZT IZT IR @VR
Device Device
marking
Nom Min Max uA uA V
MMSZ4678 CC 1.8 1.71 1.89 50 7.5 1.0
MMSZ4679 CD 2.0 1.90 2.10 50 5.0 1.0
MMSZ4680 CE 2.2 2.09 2.31 50 4.0 1.0
MMSZ4681 CF 2.4 2.28 2.52 50 2.0 1.0
MMSZ4682 CH 2.7 2.57 2.84 50 1.0 1.0
MMSZ4683 CJ 3.0 2.85 3.15 50 0.8 1.0
MMSZ4684 CK 3.3 3.14 3.47 50 7.5 1.5
MMSZ4685 CM 3.6 3.42 3.78 50 7.5 2.0
MMSZ4686 CN 3.9 3.71 4.10 50 5.0 2.0
MMSZ4687 CP 4.3 4.09 4.52 50 4.0 2.0
MMSZ4688 CT 4.7 4.47 4.94 50 10.0 3.0
MMSZ4689 CU 5.1 4.85 5.36 50 10.0 3.0
MMSZ4690 CV 5.6 5.32 5.88 50 10.0 4.0
MMSZ4691 CA 6.2 5.89 6.51 50 10.0 5.0
MMSZ4692 CX 6.8 6.46 7.14 50 10.0 5.1
MMSZ4693 CY 7.5 7.13 7.88 50 10.0 5.7
MMSZ4694 CZ 8.2 7.79 8.61 50 1.0 6.2
MMSZ4695 DC 8.7 8.27 9.14 50 1.0 6.6
MMSZ4696 DD 9.1 8.65 9.56 50 1.0 6.9
MMSZ4697 DE 10 9.50 10.50 50 1.0 7.6
MMSZ4698 DF 11 10.45 11.55 50 0.05 8.4
MMSZ4699 DH 12 11.40 12.60 50 0.05 9.1
MMSZ4700 DJ 13 12.35 13.65 50 0.05 9.8
MMSZ4701 DK 14 13.30 14.70 50 0.05 10.6
MMSZ4702 DM 15 14.25 15.75 50 0.05 11.4
MMSZ4703 DN 16 15.20 16.80 50 0.05 12.1
MMSZ4704 DP 17 16.15 17.85 50 0.05 12.9
MMSZ4705 DT 18 17.10 18.90 50 0.05 13.6
MMSZ4706 DU 19 18.05 19.95 50 0.05 14.4
MMSZ4707 DV 20 19.00 21.00 50 0.01 15.2
MMSZ4708 DA 22 20.90 23.10 50 0.01 16.7
MMSZ4709 DX 24 22.80 25.20 50 0.01 18.2
MMSZ4710 DY 25 23.75 26.25 50 0.01 19.0
MMSZ4711 EA 27 25.65 28.35 50 0.01 20.4
MMSZ4712 EC 28 26.60 29.40 50 0.01 21.2
MMSZ4713 ED 30 28.50 31.50 50 0.01 22.8
MMSZ4714 EE 33 31.35 34.65 50 0.01 25.0
MMSZ4715 EF 36 34.20 37.80 50 0.01 27.3
MMSZ4716 EH 39 37.05 40.95 50 0.01 29.6
MMSZ4717 EJ 43 40.85 45.15 50 0.01 32.6
REV. 3, Apr-2011, KSIR11
Notes:
1. Nominal Zener voltage is measured with the device junction in thermal equilibrium at TL = 30°C ±1°C.
MMSZ4x Series
Typical Characteristics
Fig.1 Power Derating Curve Fig.2 Typical Capacitance
Fig.3 Zener Voltage versus Zener Current(VZ Up to 12 V)
Fig.4 Zener Voltage versus Zener Current(VZ Up to 43 V)
Fig.5 Typical Leakage Current
Legal Disclaimer Notice
MMSZ4x Series
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.