Document
®
WON-TOP ELECTRONICS
Features
Planar Die Construction
500mW Power Dissipation 2.4V – 43V Nominal Zener Voltage 5% Standard Vz Tolerance Designed for Surface Mount Application Plastic Material – UL Recognition Flammability
Classification 94V-0
C
Mechanical Data
Case: SOD-123, Molded Plastic Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208 Polarity: Cathode Band Weight: 0.01 grams (approx.) Marking: Device Code Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 5
MMSZ4681 – MMSZ4717
500mW SURFACE MOUNT ZENER DIODE
Pb
A
B E
J
D
H
G
SOD-123 Dim Min Max
A 3.6 3.9 B 2.5 2.8 C 1.4 1.8 D 0.5 0.7 E — 0.2 G 0.4 — H 0.95 1.35 J — 0.12 All Dimensions in mm
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Power Dissipation at TL = 75°C (Note 1) Forward Voltage @ IF = 10mA Thermal Resistance, Junction to Ambient (Note 1, 2) Thermal Resistance, Junction to Lead (Note 1, 2) Operating and Storage Temperature Range
Symbol
PD
VF R JA R JL TJ, TSTG
Note: 1. Mounted on FR-4 PCB with minimum recommended pad layout. 2. Thermal resistance measurement obtained via infrared scan method.
Value
500
0.9 340 150 -65 to +150
Unit mW
V °C/W
°C
© Won-Top Electronics Co., Ltd. Revision: September, 2012
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MMSZ4681 – MMSZ4717
0.5
PD, POWER DISSIPATION (W)
0.4
Mounted on FR-4 PCB with 0.3 Minimum Recommended
Pad Layout
0.2
0.1
0 0
100
75
25 50 75 100 125
TL, LEAD TEMPERATURE (°C) Fig. 1 Power Derating Curve
150
10 15 22
12 18
27
33 TJ = 25°C
36
IZ, ZENER CURRENT (µA)
®
100 TJ = 25°C
2V4
2V7
3V0 75 3V3
3V6
3V9
4V3
50
4V7 5V1
25
WON-TOP ELECTRONICS
5V6 6V8 8V2 6V2 7V5 9V1
Test Current IZ
0 0 1 2 3 4 5 6 7 8 9 10 VZ, ZENER VOLTAGE (V) Fig. 2 Zener Breakdown Characteristics
100 39 TJ = 25°C 43
75
Test Current IZ
Test Current IZ IZ, ZENER CURRENT (µA)
Test Current IZ
IZ, ZENER CURRENT (µA) Test Current IZ
50 50
25 25
0 0
1000
5 10 15 20 25 30 35 40 45 50
VZ, ZENER VOLTAGE (V) Fig. 3 Zener Breakdown Characteristics
IF, INSTANTANEOUS FORWARD CURRENT (mA)
100 TJ = 100°C
10 TJ = 25°C
1 0
0.2 0.4 0.6 0.8 1.0
VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 5 Typical Forward Characteristics
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CJ, JUNCTION CAPACITANCE (pF)
0 0 10 20 30 40 50 60 70 80 90 100
VZ, ZENER VOLTAGE (V) Fig. 4 Zener Breakdown Characteristics
1000
TJ = 25°C f = 1MHz
@ 0V Bias 100 @ 1V Bias
10 1
10 100
VZ, NOMINAL ZENER VOLTAGE (V) Fig. 6 Junction Capacitance vs. Nominal Zener Voltage
© Won-Top Electronics Co., Ltd. Revision: September, 2012
® WON-TOP ELECTRONICS
MMSZ4681 – MMSZ4717
Electrical Characteristics (@TA=25°C unless otherwise specified) Table 1
Type Number (Note 1)
Device Marking
Code (Note 2)
Zener Voltage Range (Note 3)
VZ @ IZT
Test Current IZT
TW CN Nom (V)
Min (V)
Max (V)
(mA)
MMSZ4681 MMSZ4682 MMSZ4683 MMSZ4684 MMSZ4685 MMSZ4686 MMSZ4687 MMSZ4688 MMSZ4689 MMSZ4690 MMSZ4691 MMSZ4692 MMSZ4693 MMSZ4694 MMSZ4695 MMSZ4696 M.