MMSZ4678T1 Series
Zener Voltage Regulators
500 mW SOD–123 Surface Mount
Three complete series of Zener diodes are offered in the convenient,
surface mount plastic SOD–123 package. These devices provide a
convenient alternative to the leadless 34–package style.
Specification Features:
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•
•
•
•
•
500 mW Rating on FR–4 or FR–5 Board
Wide Zener Reverse Voltage Range – 1.8 V to 43 V
Package Designed for Optimal Automated Board Assembly
Small Package Size for High Density Applications
ESD Rating of Class 3 (>16 KV) per Human Body Model
1
Cathode
2
Anode
Mechanical Characteristics:
CASE:
Void-free, transfer-molded, thermosetting plastic case
FINISH:
Corrosion resistant finish, easily solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
2
1
SOD–123
CASE 425
STYLE 1
260°C for 10 Seconds
POLARITY:
Cathode indicated by polarity band
FLAMMABILITY RATING:
UL94 V–0
MAXIMUM RATINGS
Rating
Total Power Dissipation on FR–5 Board,
(Note 1.) @ T
L
= 75°C
Derated above 75°C
Thermal Resistance –
Junction to Ambient (Note 2.)
Thermal Resistance –
Junction to Lead (Note 2.)
Junction and Storage
Temperature Range
Symbol
P
D
500
6.7
R
qJA
R
qJL
T
J
, T
stg
340
150
–55 to
+150
mW
mW/°C
°C/W
°C/W
°C
Max
Unit
MARKING DIAGRAM
xx
M
ORDERING INFORMATION
Device
{
MMSZ4xxxT1
MMSZ4xxxT3*
Package
SOD–123
SOD–123
Shipping
3000/Tape & Reel
10,000/Tape & Reel
1. FR–5 = 3.5 X 1.5 inches, using the On minimum recommended footprint as
shown in Figure 11
2. Thermal Resistance measurement obtained via infrared Scan Method
*MMSZ4703T1 and MMSZ4711T1 Not Available in
10,000/Tape & Reel
DEVICE MARKING INFORMATION
See specific marking information in the device marking
column of the Electrical Characteristics table on page 3 of
this data sheet.
Devices listed in
bold, italic
are ON Semiconductor
Preferred
devices.
Preferred
devices are recommended
choices for future use and best overall value.
†The “T1” suffix refers to an 8 mm, 7 inch reel.
The “T3” suffix refers to an 8 mm, 13 inch reel.
©
Semiconductor Components Industries, LLC, 2002
1
June, 2002 – Rev. 2
ÂÂ
ÂÂ
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xx M
= Specific Device Code
= Date Code
Publication Order Number:
MMSZ4678T1/D
MMSZ4678T1 Series
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted, V
F
= 0.9 V Max. @ I
F
= 10 mA)
Zener Voltage
(Notes 1)
Device
Marking
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
V
Z
(Volts)
Min
1.71
1.90
2.09
2.28
2.565
2.85
3.13
3.42
3.70
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
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
Max
1.89
2.10
2.31
2.52
2.835
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
@ I
ZT
mA
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
mA
7.5
5
4
2
1
0.8
7.5
7.5
5
4
10
10
10
10
10
10
1
1
1
1
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
Leakage Current
I
R
@ V
R
Volts
1
1
1
1
1
1
1.5
2
2
2
3
3
4
5
5.1
5.7
6.2
6.6
6.9
7.6
8.4
9.1
9.8
10.6
11.4
12.1
12.9
13.6
14.4
15.2
16.7
18.2
19.0
20.4
21.2
22.8
25.0
27.3
29.6
32.6
Device
MMSZ4678T1
MMSZ4679T1
MMSZ4680T1
MMSZ4681T1
MMSZ4682T1
MMSZ4683T1
MMSZ4684T1
MMSZ4685T1
MMSZ4686T1
MMSZ4687T1
MMSZ4688T1
MMSZ4689T1
MMSZ4690T1
MMSZ4691T1
MMSZ4692T1
MMSZ4693T1
MMSZ4694T1
MMSZ4695T1
MMSZ4696T1
MMSZ4697T1
MMSZ4698T1
MMSZ4699T1
MMSZ4700T1
MMSZ4701T1
MMSZ4702T1
MMSZ4703T1*
MMSZ4704T1
MMSZ4705T1
MMSZ4706T1
MMSZ4707T1
MMSZ4708T1
MMSZ4709T1
MMSZ4710T1
MMSZ4711T1*
MMSZ4712T1
MMSZ4713T1
MMSZ4714T1
MMSZ4715T1
MMSZ4716T1
MMSZ4717T1
1. Nominal Zener voltage is measured with the device junction in thermal equilibrium at T
L
= 30°C
±1°C
*Not Available in the 10,000/Tape & Reel.
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MMSZ4678T1 Series
TYPICAL CHARACTERISTICS
θ
VZ, TEMPERATURE COEFFICIENT (mV/
°
C)
7
6
5
4
3
2
1
0
–1
–2
–3
2
TYPICAL T
C
VALUES
θ
VZ, TEMPERATURE COEFFICIENT (mV/
°
C)
8
100
TYPICAL T
C
VALUES
V
Z
@ I
ZT
V
Z
@ I
ZT
10
1
3
4
5
6
7
8
9
10
11
12
10
V
Z
, NOMINAL ZENER VOLTAGE (V)
100
V
Z
, NOMINAL ZENER VOLTAGE (V)
Figure 1. Temperature Coefficients
(Temperature Range –55°C to +150°C)
Figure 2. Temperature Coefficients
(Temperature Range –55°C to +150°C)
1.2
1000
Ppk , PEAK SURGE POWER (WATTS)
1.0
RECTANGULAR
WAVEFORM, T
A
= 255C
0.8
P
D
versus T
L
P
D
versus T
A
100
0.6
0.4
10
0.2
0
0
25
50
75
T, TEMPERATURE (5C)
100
125
150
1
0.1
1
10
PW, PULSE WIDTH (ms)
100
1000
Figure 3. Steady State Power Derating
Figure 4. Maximum Nonrepetitive Surge Power
1000
T
J
= 255C
I
Z(AC)
= 0.1 I
Z(DC)
f = 1 kHz
1000
75 V (MMSZ5267BT1)
91 V (MMSZ5270BT1)
Z ZT, DYNAMIC IMPEDANCE (
Ω
)
I
Z
= 1 mA
100
IF, FORWARD CURRENT (mA)
100
5 mA
20 mA
10
10
1505C
1
1
10
V
Z
, NOMINAL ZENER VOLTAGE
100
1
0.4
75°C 25°C
0.6
0.7
0°C
0.8
0.9
1.0
1.1
1.2
0.5
V
F
, FORWARD VOLTAGE (V)
Figure 5. Effect of Zener Voltage on
Zener Impedance
Figure 6. Typical Forward Voltage
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4
MMSZ4678T1 Series
TYPICAL CHARACTERISTICS
1000
1000
0 V BIAS
1 V BIAS
C, CAPACITANCE (pF)
100
I R , LEAKAGE CURRENT (
µ
A)
T
A
= 25°C
100
10
1
+1505C
0.1
BIAS AT
50% OF V
Z
NOM
0.01
+255C
10
0.001
0.0001
1
1
10
V
Z
, NOMINAL ZENER VOLTAGE (V)
100
0.00001
0
10
20
30
40
50
60
–555C
70
80
90
V
Z
, NOMINAL ZENER VOLTAGE (V)
Figure 7. Typical Capacitance
Figure 8. Typical Leakage Current
100
100
T
A
= 25°C
I Z , ZENER CURRENT (mA)
I Z , ZENER CURRENT (mA)
10
10
T
A
= 25°C
1
1
0.1
0.1
0.01
0
2
4
6
V
Z
, ZENER VOLTAGE (V)
8
10
12
0.01
10
30
50
V
Z
, ZENER VOLTAGE (V)
70
90
Figure 9. Zener Voltage versus Zener Current
(V
Z
Up to 12 V)
Figure 10. Zener Voltage versus Zener Current
(12 V to 91 V)
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