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SURFACE MOUNT
ZENER DIODE
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
MMSZ4x Series
REVERSE VOLTAGE – 1.8 to 43 Volts
POWER DISSIPATION – 0.5 Watts
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 @ TA = 25℃ unless otherwise specified
Characteristic
Symbol
Value
Forward Voltage
@IF=10mA
Power Dissipation
Thermal Resistance, Junction to Ambient
Operating Temperature Range
Storage Temperature Range
VF
PD
RΘJA
TJ
TSTG
0.9
500
357
150
-65~+150
Unit
V
mW
℃/W
℃
℃
Device Marking :
Device P/N
MMSZ4678
Marking
XXX=Specific device code
(See below table)
Pin Diagram
Equivalent Circuit Diagram
Electrical Characteristics @ TA = 25℃ unless otherwise specified
Symbol
Parameter
VZ Reverse Zener Voltage @ IZT
IZT Reverse Current
ZZT Maximum Zener Impedance @ IZT
IZK Reverse Current
ZZK Maximum Zener Impedance @ IZK
IR Reverse Leakage Current @ VR
VR Reverse Voltage
IF Forward Current
VF Forward Voltage @ IF
Device
Device
marking
MMSZ4678
MMSZ4679
MMSZ4680
MMSZ4681
MMSZ4682
MMSZ4683
MMSZ4684
MMSZ4685
MMSZ4686
MMSZ4687
MMSZ4688
MMSZ4689
MMSZ4690
MMSZ4691
MMSZ4692
MMSZ4693
MMSZ4694
MMSZ4695
MMSZ4696
MMSZ4697
MMSZ4698
MMSZ4699
MMSZ4700
MMSZ4701
MMSZ4702
MMSZ4703
MMSZ4704
MMSZ4705
MMSZ4706
MMSZ4707
MMSZ4708
MMSZ4709
MMSZ4710
MMSZ4711
MMSZ4712
MMSZ4713
MMSZ4714
MMSZ4715
MMSZ4716
MMSZ4717
CC
CD
CE
CF
CH
CJ
CK
CM
CN
CP
CT
CU
CV
CA
CX
CY
CZ
DC
DD
DE
DF
DH
DJ
DK
DM
DN
DP
DT
DU
DV
DA
DX
DY
EA
EC
ED
EE
EF
EH
EJ
Nom
1.8
2.0
2.2
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
Zener Voltage
VZ@IZT
Min
1.71
1.90
2.09
2.28
2.57
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.89
6.46
7.13
7.79
8.27
8.65
9.50
10.45
11.40
12.35
13.30
14.25
15.20
16.15
17.10
18.05
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
40.85
Max
1.89
2.10
2.31
2.52
2.84
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
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
17.85
18.90
19.95
21.00
23.10
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
45.15
IZT
uA
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
Maximum
Reverse Current
IR @VR
uA V
7.5 1.0
5.0 1.0
4.0 1.0
2.0 1.0
1.0 1.0
0.8 1.0
7.5 1.5
7.5 2.0
5.0 2.0
4.0 2.0
10.0
3.0
10.0
3.0
10.0
4.0
10.0
5.0
10.0
5.1
10.0
5.7
1.0 6.2
1.0 6.6
1.0 6.9
1.0 7.6
0.05
8.4
0.05
9.1
0.05
9.8
0.05
10.6
0.05
11.4
0.05
12.1
0.05
12.9
0.05
13.6
0.05
14.4
0.01
15.2
0.01
16.7
0.01
18.2
0.01
19.0
0.01
20.4
0.01
21.2
0.01
22.8
0.01
25.0
0.01
27.3
0.01
29.6
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.
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