SMD Zener Diode
Formosa MS
MMSZ5221B THRU MMSZ5267B
List
List................................................................................................. 1
Package outline............................................................................... 2
Features.......................................................................................... 2
Mechanical data............................................................................... 2
Maximum ratings ............................................................................. 2
Electrical characteristics................................................................... 3
Rating and characteristic curves........................................................ 4~5
Pinning information........................................................................... 6
Suggested solder pad layout............................................................. 6
Packing information.......................................................................... 7
Reel packing.................................................................................... 8
Suggested thermal profiles for soldering processes............................. 8
High reliability test capabilities........................................................... 9
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/03/10
Revision
C
Page.
9
Page 1
DS-221715
SMD Zener Diode
Formosa MS
Package outline
SOD-123F
MMSZ5221B THRU MMSZ5267B
500mW Surface Mount
Zener Diodes - 2.4V-75V
Features
•
Up to 500mW power dissipation.
•
Silicon epitaxial planar chip structure.
•
Wide Zener Voltage Range Selection, 2.4V to 75V.
•
5% tolerance of Zener voltage for suffix "B" ex:
ΜΜSΖ5221Β
•
Small Package Size for High Density Applications .
•
Ideally suited for automated assembly processes.
•
We declare that the material of product compliance with
•
RoHS requirements.
Suffix "-H" indicates Halogen free parts, ex. MMSZ5221B-H.
0.008(0.20)MAX
0.071(1.80)
0.055(1.40)
0.110(2.80)
0.098(2.50)
0.028(0.70)
0.019(0.50)
0.053(1.35)
0.037(0.95)
Mechanical data
•
Epoxy:UL94-VO rated flame retardant
•
Case : Molded plastic, SOD-123F
•
Terminals : Solder plated, solderable per
MIL-STD-750, Method 2026
0.154(3.90)
0.141(3.60)
Dimensions in inches and (millimeters)
•
Polarity : Indicated by cathode band
•
Mounting Position : Any
•
Weight : Approximated 0.010 gram
Maximum ratings
(at T =25 C unless otherwise noted)
o
A
Parameter
Forward voltage
Power Dissipation (Note 1)
Thermal Resistance (Note 2)
Operating junction temperature range
Storage temperature range
I
F
= 10 mA
Conditions
Symbol
V
F
P
D
R
θJA
R
θJL
T
J
T
STG
MIN.
TYP.
MAX.
0.9
500
Unit
V
mW
O
O
On FR-5 Board @T
L
=75°C
Junction to ambient
Junction to lead
340
150
-55
-55
+150
+150
C/W
C/W
o
C
C
o
1. FR−5 = 3.5 X 1.5 inches, using the minimum recommended footprint.
2. Thermal Resistance measurement obtained via infrared Scan Method.
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/03/10
Revision
C
Page.
9
Page 2
DS-221715
SMD Zener Diode
Formosa MS
o
A
MMSZ5221B THRU MMSZ5267B
Electrical characteristics
(at T =25 C unless otherwise noted)
Zener
voltage
Part No.
Marking
code
Min
MMSZ5221B
MMSZ5222B
MMSZ5223B
MMSZ5224B
MMSZ5225B
MMSZ5226B
MMSZ5227B
MMSZ5228B
MMSZ5229B
MMSZ5230B
MMSZ5231B
MMSZ5232B
MMSZ5233B
MMSZ5234B
MMSZ5235B
MMSZ5236B
MMSZ5237B
MMSZ5238B
MMSZ5239B
MMSZ5240B
MMSZ5241B
MMSZ5242B
MMSZ5243B
MMSZ5244B
MMSZ5245B
MMSZ5246B
MMSZ5247B
MMSZ5248B
MMSZ5250B
MMSZ5251B
MMSZ5252B
MMSZ5253B
MMSZ5254B
MMSZ5255B
MMSZ5256B
MMSZ5257B
MMSZ5258B
MMSZ5259B
MMSZ5260B
MMSZ5261B
MMSZ5262B
MMSZ5263B
MMSZ5264B
MMSZ5265B
MMSZ5266B
MMSZ5267B
C1
C2
C3
C4
C5
D1
D2
D3
D4
D5
E1
E2
E3
E4
E5
F1
F2
F3
F4
F5
H1
H2
H3
H4
H5
J1
J2
J3
J5
K1
K2
K3
K4
K5
M1
M2
M3
M4
M5
N1
N2
N3
N4
N5
P1
P2
2.28
2.38
2.57
2.66
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.70
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
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
40.85
44.65
48.45
53.20
57.00
58.90
64.60
71.25
V
Z
@ I
ZT
(Volts)
Nom
2.4
2.5
2.7
2.8
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.0
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
17
18
20
22
24
25
27
28
30
33
36
39
43
47
51
56
60
62
68
75
Max
2.52
2.63
2.84
2.94
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.30
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
21.00
23.10
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
45.15
49.35
53.55
58.80
63.00
65.10
71.40
78.75
Test
current
I
ZT
mA
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
9.5
9.0
8.5
7.8
7.4
7.0
6.2
5.6
5.2
5.0
4.6
4.5
4.2
3.8
3.4
3.2
3.0
2.7
2.5
2.2
2.1
2.0
1.8
1.7
Z
ZT
@ I
ZT
(Ω)Max
30
30
30
30
29
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
15
16
17
19
21
25
29
33
35
41
44
49
58
70
80
93
105
125
150
170
185
230
270
Zener
impedance
Z
ZK
@ I
ZK
(Ω)Max
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
700
700
800
900
1000
1100
1300
1400
1400
1600
1700
I
ZK
mA
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
I
R
(uA)Max
100
100
75
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
2.0
1.0
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
Leakage
current
V
R
Volts
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
3.5
4.0
5.0
6.0
6.5
6.5
7.0
8.0
8.4
9.1
9.9
10
11
12
13
14
15
17
18
19
21
21
23
25
27
30
33
36
39
43
46
47
52
56
Note : 5% tolerance of Zener voltage
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/03/10
Revision
C
Page.
9
Page 3
DS-221715
Rating and characteristic curves (MMSZ5221B THRU MMSZ5267B)
TEMPERATURE COEFFICIENT(mV/°C)
FIG1. TEMPERATURE COEFFICIENTS
(TEMPERATURE
RANGE
−55°C
TO
+150°C)
8
7
6
5
4
3
2
1
0
-1
-2
-
3
V
Z
@
I
ZT
TEMPERATURE COEFFICIENT(mV/
°
C)
FIG 2. TEMPERATURE COEFFICIENTS
(TEMPERATURE
RANGE
−55°C
TO
+150°C)
100
10
2
3
4
5
6
7
8
9
10
11
12
1
10
100
NOMINAL ZENER VOLTAGE(V)
NOMINAL ZENER VOLTAGE(V)
FIG3. TYPICAL LEAKAGE CURRENT
1000
100
FIG4. TYPICAL FORWARD VOLTAGE
1000
10
1
0.1
0.01
0.001
0.0001
0
10
20
30
40
50
60
+
25 C
-
55 C
70
80
90
+150
C
FORWARD CURRENT(mA)
LEAKAGE CURRENT(uA)
100
10
150
O
C
O
75 C
25
O
C
5
O
C
0.00001
1
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
NOMINAL ZENER VOLTAGE(V)
FIG5. STEADY STATE POWER DERATING
ZZT, DYNAMIC IMPEDANCE
(
Ω
)
0.6
FORWARD VOLTAGE(V)
FIG6.
Effect of Zener Voltage on Zener Impedance
1000
T
J
=
25 C
I
Z(AC
)
=
0.1 I
Z(DC
)
f
=
1 kHz
POWER DISSIPATION( Watts)
0.5
0.4
0.3
I
Z
=
1 mA
100
5 mA
20 mA
10
0.2
0.1
0
1
0
25
50
75
100
125
150
1
10
100
VZ, NOMINAL ZENER VOLTAGE
LEAD TEMPERATURE(°C)
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/03/10
Revision
C
Page.
9
Page 4
DS-221715
Rating and characteristic curves (MMSZ5221B THRU MMSZ5267B)
FIG7. Typical Capacitance
1000
IZ, ZENER CURRENT (mA)
0 V B IAS
1 V B IAS
100
B IAS AT
50% OF V
Z
NOM
10
T
A
=
25 C
100
FIG8. Zener Voltage versus Zener Current
(VZ Up to 12 V)
T
A
=
25 C
10
C, CAPACITANCE (pF)
1
0.1
1
1
10
V
Z
, NOMINAL ZENER VOLTAGE (V)
100
0.01
0
2
4
6
8
10
12
VZ, ZENER VOLTAGE (V)
FIG9. Zener Voltage versus Zener Current
(12V to 91 V)
100
IZ, ZENER CURRENT (mA)
T
A
=
25 C
10
1
0.1
0.01
10
30
50
70
90
VZ, ZENER VOLTAGE (V)
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/03/10
Revision
C
Page.
9
Page 5
DS-221715
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