Semiconductor Components Industries, LLC, 2005
January, 2005 - Rev. 5
1
Publication Order Number:
MMSZ5221BT1/D
MMSZ5221BT1 Series
Preferred Device
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.
Features
500 mW Rating on FR-4 or FR-5 Board
Wide Zener Reverse Voltage Range - 2.4 V to 110 V
Package Designed for Optimal Automated Board Assembly
Small Package Size for High Density Applications
General Purpose, Medium Current
ESD Rating of Class 3 (>16 kV) per Human Body Model
Pb-Free Packages are Available
Mechanical Characteristics
CASE:
Void-free, transfer-molded, thermosetting plastic case
FINISH:
Corrosion resistant finish, easily solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
260
C for 10 Seconds
POLARITY:
Cathode indicated by polarity band
FLAMMABILITY RATING:
UL 94 V-0
MAXIMUM RATINGS
Rating
Symbol
Max
Unit
Total Power Dissipation on FR-5 Board,
(Note 1) @ T
L
= 75
C
Derated above 75
C
P
D
500
6.7
mW
mW/
C
Thermal Resistance, (Note 2)
Junction-to-Ambient
R
q
JA
340
C/W
Thermal Resistance, (Note 2)
Junction-to-Lead
R
q
JL
150
C/W
Junction and Storage Temperature Range
T
J
, T
stg
-55 to
+150
C
Maximum ratings are those values beyond which device damage can occur.
Maximum ratings applied to the device are individual stress limit values (not
normal operating conditions) and are not valid simultaneously. If these limits
are exceeded, device functional operation is not implied, damage may occur
and reliability may be affected.
1. FR-5 = 3.5 X 1.5 inches, using the minimum recommended footprint.
2. Thermal Resistance measurement obtained via infrared Scan Method.
Device**
Package
Shipping
ORDERING INFORMATION
SOD-123
CASE 425
STYLE 1
1
Cathode
2
Anode
MMSZ52xxBT1
SOD-123
3000/Tape & Reel
MARKING DIAGRAM
See specific marking information in the device marking
column of the Electrical Characteristics table on page 3 of
this data sheet.
DEVICE MARKING INFORMATION
xx
= Specific Device Code
M
= Date Code
xx M
**The "T1" suffix refers to an 8 mm, 7 inch reel.
The "T3" suffix refers to an 8 mm, 13 inch reel.
1
2
Devices listed in
bold, italic are ON Semiconductor
Preferred devices. Preferred devices are recommended
choices for future use and best overall value.
MMSZ52xxBT3
SOD-123
10,000/Tape & Reel
For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
MMSZ52xxBT1G
SOD-123
(Pb-Free)
3000/Tape & Reel
MMSZ52xxBT3G
SOD-123
(Pb-Free)
10,000/Tape & Reel
http://onsemi.com
MMSZ5221BT1 Series
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS
(T
A
= 25
C unless otherwise noted, V
F
= 0.9 V Max. @ I
F
= 10 mA)
Zener Voltage (Notes 3 and 4)
Zener Impedance (Note 5)
Leakage Current
Device
V
Z
(Volts)
@ I
ZT
Z
ZT
@ I
ZT
Z
ZK
@ I
ZK
I
R
@ V
R
Device
Device
Marking
Min
Nom
Max
mA
W
W
mA
m
A
Volts
MMSZ5221BT1, G
C1
2.28
2.4
2.52
20
30
1200
0.25
100
1
MMSZ5222BT1
C2
2.38
2.5
2.63
20
30
1250
0.25
100
1
MMSZ5223BT1, G
C3
2.57
2.7
2.84
20
30
1300
0.25
75
1
MMSZ5224BT1
C4
2.66
2.8
2.94
20
30
1400
0.25
75
1
MMSZ5225BT1
C5
2.85
3.0
3.15
20
29
1600
0.25
50
1
MMSZ5226BT1, G
D1
3.14
3.3
3.47
20
28
1600
0.25
25
1
MMSZ5227BT1, G
D2
3.42
3.6
3.78
20
24
1700
0.25
15
1
MMSZ5228BT1, G
D3
3.71
3.9
4.10
20
23
1900
0.25
10
1
MMSZ5229BT1, G
D4
4.09
4.3
4.52
20
22
2000
0.25
5
1
MMSZ5230BT1, G
D5
4.47
4.7
4.94
20
19
1900
0.25
5
2
MMSZ5231BT1, G
E1
4.85
5.1
5.36
20
17
1600
0.25
5
2
MMSZ5232BT1, G
E2
5.32
5.6
5.88
20
11
1600
0.25
5
3
MMSZ5233BT1, G
E3
5.70
6.0
6.30
20
7
1600
0.25
5
3.5
MMSZ5234BT1, G
E4
5.89
6.2
6.51
20
7
1000
0.25
5
4
MMSZ5235BT1, G
E5
6.46
6.8
7.14
20
5
750
0.25
3
5
MMSZ5236BT1, G
F1
7.13
7.5
7.88
20
6
500
0.25
3
6
MMSZ5237BT1, G
F2
7.79
8.2
8.61
20
8
500
0.25
3
6.5
MMSZ5238BT1
F3
8.27
8.7
9.14
20
8
600
0.25
3
6.5
MMSZ5239BT1, G
F4
8.65
9.1
9.56
20
10
600
0.25
3
7
MMSZ5240BT1, G
F5
9.50
10
10.50
20
17
600
0.25
3
8
MMSZ5241BT1
H1
10.45
11
11.55
20
22
600
0.25
2
8.4
MMSZ5242BT1, G
H2
11.40
12
12.60
20
30
600
0.25
1
9.1
MMSZ5243BT1, G
H3
12.35
13
13.65
9.5
13
600
0.25
0.5
9.9
MMSZ5244BT1, G
H4
13.30
14
14.70
9.0
15
600
0.25
0.1
10
MMSZ5245BT1, G
H5
14.25
15
15.75
8.5
16
600
0.25
0.1
11
MMSZ5246BT1, G
J1
15.20
16
16.80
7.8
17
600
0.25
0.1
12
MMSZ5247BT1, G
J2
16.15
17
17.85
7.4
19
600
0.25
0.1
13
MMSZ5248BT1, G
J3
17.10
18
18.90
7.0
21
600
0.25
0.1
14
MMSZ5250BT1, G
J5
19.00
20
21.00
6.2
25
600
0.25
0.1
15
MMSZ5251BT1, G
K1
20.90
22
23.10
5.6
29
600
0.25
0.1
17
MMSZ5252BT1, G
K2
22.80
24
25.20
5.2
33
600
0.25
0.1
18
MMSZ5253BT1
K3
23.75
25
26.25
5.0
35
600
0.25
0.1
19
MMSZ5254BT1, G
K4
25.65
27
28.35
4.6
41
600
0.25
0.1
21
MMSZ5255BT1, G
K5
26.60
28
29.40
4.5
44
600
0.25
0.1
21
MMSZ5256BT1, G
M1
28.50
30
31.50
4.2
49
600
0.25
0.1
23
MMSZ5257BT1, G
M2
31.35
33
34.65
3.8
58
700
0.25
0.1
25
MMSZ5258BT1, G
M3
34.20
36
37.80
3.4
70
700
0.25
0.1
27
MMSZ5259BT1, G
M4
37.05
39
40.95
3.2
80
800
0.25
0.1
30
MMSZ5260BT1, G
M5
40.85
43
45.15
3.0
93
900
0.25
0.1
33
MMSZ5261BT1, G
N1
44.65
47
49.35
2.7
105
1000
0.25
0.1
36
MMSZ5262BT1
N2
48.45
51
53.55
2.5
125
1100
0.25
0.1
39
MMSZ5263BT1
N3
53.20
56
58.80
2.2
150
1300
0.25
0.1
43
MMSZ5264BT1
N4
57.00
60
63.00
2.1
170
1400
0.25
0.1
46
MMSZ5265BT1, G
N5
58.90
62
65.10
2.0
185
1400
0.25
0.1
47
MMSZ5266BT1, G
P1
64.60
68
71.40
1.8
230
1600
0.25
0.1
52
MMSZ5267BT1, G
P2
71.25
75
78.75
1.7
270
1700
0.25
0.1
56
MMSZ5268BT1, G
P3
77.90
82
86.10
1.5
330
2000
0.25
0.1
62
MMSZ5269BT1
P4
82.65
87
91.35
1.4
370
2200
0.25
0.1
68
MMSZ5270BT1, G
P5
86.45
91
95.55
1.4
400
2300
0.25
0.1
69
MMSZ5272BT1
R2
104.5
110
115.5
1.1
750
3000
0.25
0.1
84
3. The type numbers shown have a standard tolerance of
5% on the nominal Zener voltage.
4. Nominal Zener voltage is measured with the device junction in thermal equilibrium at T
L
= 30
C
$
1
C.
5. Z
ZT
and Z
ZK
are measured by dividing the AC voltage drop across the device by the ac current applied.
The specified limits are for I
Z(AC)
= 0.1 I
Z(dc)
with the AC frequency = 1 KHz.
MMSZ5221BT1 Series
http://onsemi.com
4
TYPICAL CHARACTERISTICS
V
Z
, NOMINAL ZENER VOLTAGE (V)
- 3
- 2
-1
0
1
2
3
4
5
6
7
8
12
11
10
9
8
7
6
5
4
3
2
Figure 1. Temperature Coefficients
(Temperature Range - 55
C to +150
C)
TYPICAL T
C
VALUES
FOR MMSZ5221BT1 SERIES
V
Z
@ I
ZT
100
10
1
10
100
V
Z
, NOMINAL ZENER VOLTAGE (V)
Figure 2. Temperature Coefficients
(Temperature Range - 55
C to +150
C)
V
Z
@ I
ZT
1.2
1.0
0.8
0.6
0.4
0.2
0
150
125
100
75
50
25
0
T, TEMPERATURE (
C)
Figure 3. Steady State Power Derating
P
D
versus T
A
P
D
versus T
L
0.1
PW, PULSE WIDTH (ms)
Figure 4. Maximum Nonrepetitive Surge Power
1
10
100
1000
1000
100
10
1
RECTANGULAR
WAVEFORM, T
A
= 25
C
100
V
Z
, NOMINAL ZENER VOLTAGE
Figure 5. Effect of Zener Voltage on
Zener Impedance
10
1
1000
100
10
1
T
J
= 25
C
I
Z(AC)
= 0.1 I
Z(DC)
f = 1 kHz
I
Z
= 1 mA
5 mA
20 mA
V
F
, FORWARD VOLTAGE (V)
Figure 6. Typical Forward Voltage
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
1000
100
10
1
75 V (MMSZ5267BT1)
91 V (MMSZ5270BT1)
150
C
75
C 25
C
0
C
TYPICAL T
C
VALUES
FOR MMSZ5221BT1 SERIES
q
VZ
, TEMPERA
TURE COEFFICIENT (mV/
C)
q
VZ
, TEMPERA
TURE COEFFICIENT (mV/
C)
P
pk
, PEAK SURGE POWER (W
A
TTS)
Z
ZT
, DYNAMIC IMPEDANCE (
W
)
I
F
, FOR
W
ARD CURRENT (mA)
MMSZ5221BT1 Series
http://onsemi.com
5
TYPICAL CHARACTERISTICS
C, CAP
ACIT
ANCE (pF)
100
V
Z
, NOMINAL ZENER VOLTAGE (V)
Figure 7. Typical Capacitance
1000
100
10
1
10
1
BIAS AT
50% OF V
Z
NOM
T
A
= 25
C
0 V BIAS
1 V BIAS
12
V
Z
, ZENER VOLTAGE (V)
100
10
1
0.1
0.01
10
8
6
4
2
0
T
A
= 25
C
V
Z
, ZENER VOLTAGE (V)
100
10
1
0.1
0.01
10
30
50
70
90
T
A
= 25
C
90
V
Z
, NOMINAL ZENER VOLTAGE (V)
Figure 8. Typical Leakage Current
1000
100
10
1
0.1
0.01
0.001
0.0001
0.00001
80
70
60
50
40
30
20
10
0
+150
C
+ 25
C
- 55
C
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)
I
R
, LEAKAGE CURRENT (
m
A)
I
Z
, ZENER CURRENT (mA)
I
Z
, ZENER CURRENT (mA)
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