MMSZ5221B THRU MMSZ5260B
Zener Voltage - 2.4 to 43 Volts
Peak Pulse Power - - 0.5 W
SURFACE MOUNT ZENER DIODE
Features
SOD-123
Total power dissipation: Max. 1W.
Wide zener reverse voltage range 2.4V to 43V.
Small plastic package suitable for surface mounted design.
Tolerance approximately ±5%
0.008(0.20)max.
Cathode bar
0.071(1.80)
0.028(0.70)
0.020(0.50)
0.059(1.50)
0.110(2.80)
0.098(2.50)
0.154 (3.90)
Mechanical Data
ORDERING INFORMATION
Type No.
MMSZ5221B-MMSZ5260B
MAXIMUM RATING
0.019 (0.475) ref.
0.080 (0.0031)
0° to
0.010 (0.25)
0.150 (0.0059)
8°
0.008 (0.2 )
0.018 (0.45)
Dimensions in inches and (millimeters)
Marking
Package Code
See table 2
SOD-123
@ Ta=25℃ unless otherwise specified
Characteristic
Forward Voltage
1.250 (0.049)
Case : JEDEC SOD-123 Molded plastic body
Terminals : Solder plated, solderable per MIL-STD-750,Method 2026
Polarity : Polarity symbol marking on body
Mounting Position : Any
Weight : 0.00056 ounce, 0.016 grams
1.050 (0.041)
0.142 (3.60)
Symbol
@ IF=10mA
VF
Value
Unit
0.9
V
Power Dissipation
Pd
500
mW
Thermal resistance,junction to ambient air
RθjA
350
℃/W
Junction temperature
Tj
150
℃
Storage temperature range
Tstg
-65-150
℃
Notes: 1. Device mounted on ceramic PCB; 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm2.
2. Tested with pulses, Tp ≤1.0ms.
DN:T20610A0
http://www.microdiode.com
Rev:2020A0
Page :1
MMSZ5221B THRU MMSZ5260B
Zener Voltage - 2.4 to 43 Volts
Peak Pulse Power - - 0.5 W
ELECTRICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified
Type
Type
Number
Code
Zener Voltage Range
Vz@IZT
Test
Maximum Zener
Maximum Reverse
Current
Impedance
Leakage Current
IZT
Nom(V)
Min(V)
Max(V)
mA
ZZT@IZT
ZZK@IZK=0.25mA
Ω
IR
@VR
μA
V
MMSZ5221B
C1
2.4
2.28
2.52
20
30
1200
100
1.0
MMSZ5223B
C3
2.7
2.57
2.84
20
30
1300
75
1.0
MMSZ5225B
C5
3.0
2.85
3.15
20
30
1600
50
1.0
MMSZ5226B
G1
3.3
3.14
3.47
20
28
1600
25
1.0
MMSZ5227B
G2
3.6
3.42
3.78
20
24
1700
15
1.0
MMSZ5228B
G3
3.9
3.71
4.10
20
23
1900
10
1.0
MMSZ5229B
G4
4.3
4.09
4.52
20
22
2000
5.0
1.0
MMSZ5230B
G5
4.7
4.47
4.94
20
19
1900
5.0
2.0
MMSZ5231B
E1
5.1
4.85
5.36
20
17
1600
5.0
2.0
MMSZ5232B
E2
5.6
5.32
5.88
20
11
1600
5.0
3.0
MMSZ5233B
E3
6.0
5.70
6.30
20
7
1600
5.0
3.5
MMSZ5234B
E4
6.2
5.89
6.51
20
7
1000
5.0
4.0
MMSZ5235B
E5
6.8
6.46
7.14
20
5
750
3.0
5.0
MMSZ5236B
F1
7.5
7.13
7.88
20
6
500
3.0
6.0
MMSZ5237B
F2
8.2
7.79
8.61
20
8
500
3.0
6.5
MMSZ5238B
F3
8.7
8.27
9.14
20
8
600
3.0
6.5
MMSZ5239B
F4
9.1
8.65
9.56
20
10
600
3.0
7.0
MMSZ5240B
F5
10
9.50
10.50
20
17
600
3.0
8.0
MMSZ5241B
H1
11
10.45
11.55
20
22
600
2.0
8.4
MMSZ5242B
H2
12
11.40
12.60
20
30
600
1.0
9.1
MMSZ5243B
H3
13
12.35
13.65
9.5
13
600
0.5
9.9
MMSZ5245B
H5
15
14.25
15.75
8.5
16
600
0.1
11
MMSZ5246B
J1
16
15.20
16.80
7.8
17
600
0.1
12
MMSZ5248B
J3
18
17.10
18.90
7.0
21
600
0.1
14
MMSZ5250B
J5
20
19.00
21.00
6.2
25
600
0.1
15
MMSZ5251B
K1
22
20.90
23.10
5.6
29
600
0.1
17
MMSZ5252B
K2
24
22.80
25.20
5.2
33
600
0.1
18
MMSZ5254B
K4
27
25.65
28.35
5.0
41
600
0.1
21
MMSZ5255B
K5
28
26.60
29.40
4.5
44
600
0.1
21
MMSZ5256B
M1
30
28.50
31.5
4.2
49
600
0.1
23
MMSZ5257B
M2
33
31.35
34.65
3.8
58
700
0.1
25
MMSZ5258B
M3
36
34.20
37.80
3.4
70
700
0.1
27
MMSZ5259B
M4
39
37.05
40.95
3.2
80
800
0.1
30
MMSZ5260B
M5
43
40.85
45.15
3.0
93
900
0.1
33
http://www.microdiode.com
Rev:2020A0
Page :2
MMSZ5221B THRU MMSZ5260B
Zener Voltage - 2.4 to 43 Volts
Peak Pulse Power - - 0.5 W
Typical Characterisitics
TYPICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified
The curve above is for reference only.
http://www.microdiode.com
Rev:2020A0
Page :3
MMSZ5221B THRU MMSZ5260B
Zener Voltage - 2.4 to 43 Volts
Peak Pulse Power - - 0.5 W
Packing information
unit:mm
P0
P1
d
Item
Symbol
Tolerance
A
B
C
d
D
D1
D2
E
F
P
P0
P1
T
W
W1
0.1
0.1
0.1
0.05
2.0
min
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.3
1.0
SOD-123
E
F
B
A
W
P
D2
T
D1
C
W1
D
Carrier width
Carrier length
Carrier depth
Sprocket hole
7" Reel outside diameter
7" Reel inner diameter
Feed hole diameter
Sprocket hole position
Punch hole position
Punch hole pitch
Sprocket hole pitch
Embossment center
Overall tape thickness
Tape width
Reel width
2.1
4.0
1.60
1.55
178.00
50.0
13.00
1.75
3.50
4.00
4.00
2.00
0.25
8.15
10.5
Note:Devices are packed in accor dance with EIA standar RS-481-A and specifications listed above.
Reel packing
PACKAGE
REEL SIZE
REEL
(pcs)
COMPONENT
SPACING
(m/m)
BOX
(pcs)
INNER
BOX
(m/m)
REEL
DIA,
(m/m)
CARTON
SIZE
(m/m)
CARTON
(pcs)
SOD-123
7"
3,000
4.0
45,000
210*208*203
178
430*430*235
180,000
APPROX.
GROSS WEIGHT
(kg)
9.0
Suggested Pad Layout
Symbol
A
Unit (mm)
Unit (inch)
1.2
1.2
0.047
B
C
3.2
0.126
D
2.0
0.079
E
4.4
0.173
0.047
Important Notice and Disclaimer
Microdiode Electronics (Jiangsu) reserves the right to make changes to this document and its products and
specifications at any time without notice. Customers should obtain and confirm the latest product information and
specifications before final design,purchase or use.
Microdiode Electronics (Jiangsu) makes no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, not does Microdiode Electronics (Jiangsu) assume any liability for application
assistance or customer product design. Microdiode Electronics (Jiangsu) does not warrant or accept any liability with
products which are purchased or used for any unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of Microdiode
Electronics (Jiangsu).
Microdiode Electronics (Jiangsu) products are not authorized for use as critical components in life support
devices or systems without express written approval of Microdiode Electronics (Jiangsu).
http://www.microdiode.com
Rev:2020A0
Page :4
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