MMSZ5221BS - MMSZ5259BS
SURFACE MOUNT ZENER DIODE
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Features
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•
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•
•
Planar Die Construction
Ultra-Small Surface Mount Package
General Purpose
Ideally Suited for Automated Assembly Processes
Lead, Halogen and Antimony Free, RoHS Compliant
"Green" Device (Notes 3 and 4)
Mechanical Data
•
•
•
•
•
•
•
•
Case: SOD-323
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020D
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe). Polarity: Cathode Band
Marking Information: See Page 4
Ordering Information: See Page 4
Weight: 0.004 grams (approximate)
Top View
Maximum Ratings
Forward Voltage (Note 2)
@T
A
= 25°C unless otherwise specified
Symbol
@ I
F
= 10mA
V
F
Value
0.9
Unit
V
Characteristic
Thermal Characteristics
Characteristic
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Notes:
1.
2.
3.
4.
Symbol
P
D
R
θ
JA
T
J,
T
STG
Value
200
625
-65 to +150
Unit
mW
°C/W
°C
Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
Short duration pulse test used to minimize self-heating effect.
No purposefully added lead. Halogen and Antimony Free.
Product manufactured with Data Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code V9 are built with Non-Green Molding Compound and may contain Halogens or Sb
2
O
3
Fire Retardants.
MMSZ5221BS -MMSZ5259BS
Document number: DS31038 Rev. 12 - 2
1 of 4
www.diodes.com
June 2008
© Diodes Incorporated
MMSZ5221BS - MMSZ5259BS
Electrical Characteristics
Type
Number
Marking
Code
Nom (V)
MMSZ5221BS
MMSZ5223BS
MMSZ5225BS
MMSZ5226BS
MMSZ5227BS
MMSZ5228BS
MMSZ5229BS
MMSZ5230BS
MMSZ5231BS
MMSZ5232BS
MMSZ5233BS
MMSZ5234BS
MMSZ5235BS
MMSZ5236BS
MMSZ5237BS
MMSZ5238BS
MMSZ5239BS
MMSZ5240BS
MMSZ5241BS
MMSZ5242BS
MMSZ5243BS
MMSZ5245BS
MMSZ5246BS
MMSZ5248BS
MMSZ5250BS
MMSZ5251BS
MMSZ5252BS
MMSZ5254BS
MMSZ5255BS
MMSZ5256BS
MMSZ5257BS
MMSZ5258BS
MMSZ5259BS
Notes:
@T
A
= 25°C unless otherwise specified
Test
Current
I
ZT
Max (V)
2.52
2.84
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
15.75
16.80
18.90
21.00
23.10
25.20
28.35
29.40
31.50
34.65
37.80
40.95
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
8.5
7.8
7.0
6.2
5.6
5.2
5.0
4.5
4.2
3.8
3.4
3.2
30
30
30
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
16
17
21
25
29
33
41
44
49
58
70
80
Maximum Zener
Impedance (Note 6)
Z
ZT
@ I
ZT
Ω
1200
1300
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
700
700
800
Z
ZK
@ I
ZK
= 0.25mA
Maximum Reverse
Leakage Current (Note 5)
I
R
μA
100
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
@ V
R
V
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
11
12
14
15
17
18
21
21
23
25
27
30
Zener Voltage Range (Note 5)
V
Z
@ I
ZT
Min (V)
2.28
2.57
2.85
3.14
3.42
3.71
4.09
4.4 7
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
14.25
15.20
17.10
19.00
20.90
22.80
25.65
26.60
28.50
31.35
34.20
37.05
C1
C3
C5
G1
G2
G3
G4
G5
E1
E2
E3
E4
E5
F1
F2
F3
F4
F5
H1
H2
H3
H5
J1
J3
J5
K1
K2
K4
K5
M1
M2
M3
M4
2.4
2.7
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
15
16
18
20
22
24
27
28
30
33
36
39
5. Short duration pulse test used to minimize self-heating effect.
6. f = 1KHz.
MMSZ5221BS -MMSZ5259BS
Document number: DS31038 Rev. 12 - 2
2 of 4
www.diodes.com
June 2008
© Diodes Incorporated
MMSZ5221BS - MMSZ5259BS
0.4
50
P
D
, POWER DISSIPATION (W)
40
0.3
I
Z
, ZENER CURRENT (mA)
0
25
50
75
100
125
T
A
, AMBIENT TEMPERATURE (
°
C)
Fig. 1 Power Derated Curve
T
j
= 25°C
10
12
30
0.2
20
0.1
10
0
150
0
0
3
4
5
6
8
9 10
7
V
Z
, ZENER VOLTAGE (V)
Fig. 2 Typical Zener Breakdown Characteristics
1
2
30
1,000
f = 1MHz
C
T
, TOTAL CAPACITANCE (pF)
I
Z
, ZENER CURRENT (mA)
0V BIAS
20
Test current I
Z
15
Nominal Zener Voltage
100
18
10
22
27
33
36
39
10
0
0
10
20
30
40
V
Z
, ZENER VOLTAGE (V)
Fig. 3 Typical Zener Breakdown Characteristics
1
10
100
V
Z
, NOMINAL ZENER VOLTAGE (V)
Fig. 4 Typical Total Capacitance vs. Nominal Zener Voltage
1
1,000
Z
Z
, ZENER IMPEDANCE (
Ω
)
100
10
1
1
10
100
V
Z
, ZENER VOLTAGE (V)
Fig. 5 Typical Zener Impedance Characteristics
MMSZ5221BS -MMSZ5259BS
Document number: DS31038 Rev. 12 - 2
3 of 4
www.diodes.com
June 2008
© Diodes Incorporated
MMSZ5221BS - MMSZ5259BS
Ordering Information
Part Number
(Type Number)-7-F
(Note 7)
Case
SOD-323
Packaging
3000/Tape & Reel
* Add “-7” to the appropriate type number in Electrical Characteristics Table . Example: 6.2V Zener = MMSZ5234BS-7-F.
Notes:
7. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
XX
XX = Product Type Marking Code
(See Electrical Characteristics Table)
Package Outline Dimensions
C
H
B
A
M
L
K
J
SOD-323
Dim
Min
Max
A
0.25
0.35
B
1.20
1.40
C
2.30
2.70
H
1.60
1.80
J
0.00
0.10
K
1.0
1.1
L
0.20
0.40
M
0.10
0.15
0°
8°
α
All Dimensions in mm
Suggested Pad Layout
C
X
Dimensions Value (in mm)
Z
3.75
G
1.05
X
0.65
Y
1.35
C
2.40
Y
G
Z
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website,
harmless against all damages.
LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
MMSZ5221BS -MMSZ5259BS
Document number: DS31038 Rev. 12 - 2
4 of 4
www.diodes.com
June 2008
© Diodes Incorporated
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