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MMSZ5251BF(LS)

更新时间：2025-07-10 08:23:11
品牌：DIODES
描述：Zener

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免费 PCB/SMT

MMSZ5251BF(LS) 概述

Zener

MMSZ5251BF(LS) 数据手册

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MMSZ5221BF THRU MMSZ5267BF  
SURFACE MOUNT  
ZENER DIODE  
REVERSE VOLTAGE – 2.4 to 75 Volts  
POWER DISSIPATION – 0.5 Watts  
FEATURES  
SOD-123F  
• Wide Zener Voltage Range Selection, 2.4V to 75V  
• VZ Tolerance Selection of ±5%  
• Flat Lead SOD-123F Plastic Package  
• Surface Device Type Mounting  
• Green EMC  
SOD-123F  
DIM.  
A
MIN.  
2.50  
3.30  
1.50  
0.50  
0.80  
0.05  
MAX.  
2.70  
3.70  
1.70  
0.70  
1.00  
0.20  
• Matte Tin(Sn) Lead Finish  
• RoHS compliant  
• Band Indicates Cathode  
B
C
D
E
MECHANICAL DATA  
• Case: SOD-123F Plastic  
F
All Dimensions in millimeter  
Maximum Ratings & Thermal Characteristics @ TA = 25℃ unless otherwise specified  
Characteristic  
Symbol  
PD  
Value  
Unit  
Power Dissipation  
500  
mW  
TSTG  
TOPR  
Storage Temperature Range  
Operating Temperature Range  
-65 to +150  
-65 to +150  
°C  
°C  
Device Marking :  
Device P/N  
Marking  
Pin Diagram  
Equivalent Circuit Diagram  
MMSZ52xxBF  
See below table  
1
2
Electrical Characteristics  
Symbol  
@ TA = 25℃ unless otherwise specified  
Parameter  
V
Z
Reverse Zener Voltage @ IZT  
Reverse Current  
Maximum Zener Impedance @ IZT  
Reverse Current  
I
ZT  
ZT  
ZK  
Z
I
Z
I
V
ZK  
R
Maximum Zener Impedance @ IZK  
Reverse Leakage Current @ VR  
Reverse Voltage  
R
I
F
Forward Current  
V
F
Forward Voltage @ IF  
REV.1, Apr-2013, KSIR17  
Electrical Characteristics  
T
= 25°C unless otherwise noted  
A
Maximum Zener  
Impedance  
Maximum  
Reverse Current  
Zener Voltage  
Device  
Device  
Z
ZK @ IZK =  
VZ  
@ IZT  
Nom  
I
ZT  
Z
ZT @ IZT  
IR  
@ V  
R
marking  
0.25mA  
Min  
Max  
Ω
Ω
mA  
uA  
100  
V
MMSZ5221BF  
MMSZ5222BF  
MMSZ5223BF  
MMSZ5224BF  
MMSZ5225BF  
MMSZ5226BF  
MMSZ5227BF  
MMSZ5228BF  
MMSZ5229BF  
MMSZ5230BF  
MMSZ5231BF  
MMSZ5232BF  
MMSZ5233BF  
MMSZ5234BF  
MMSZ5235BF  
MMSZ5236BF  
MMSZ5237BF  
MMSZ5238BF  
MMSZ5239BF  
MMSZ5240BF  
MMSZ5241BF  
MMSZ5242BF  
MMSZ5243BF  
MMSZ5244BF  
MMSZ5245BF  
MMSZ5246BF  
MMSZ5247BF  
MMSZ5248BF  
MMSZ5249BF  
MMSZ5250BF  
MMSZ5251BF  
MMSZ5252BF  
MMSZ5253BF  
MMSZ5254BF  
MMSZ5255BF  
MMSZ5256BF  
MMSZ5257BF  
MMSZ5258BF  
MMSZ5259BF  
MMSZ5260BF  
MMSZ5261BF  
MMSZ5262BF  
MMSZ5263BF  
MMSZ5264BF  
MMSZ5265BF  
MMSZ5266BF  
MMSZ5267BF  
Z2V4  
Z2V5  
Z2V7  
Z2V8  
Z3V0  
Z3V3  
Z3V6  
Z3V9  
Z4V3  
Z4V7  
Z5V1  
Z5V6  
Z6V0  
Z6V2  
Z6V8  
Z7V5  
Z8V2  
Z8V7  
Z9V1  
Z10V  
Z11V  
Z12V  
Z13V  
Z14V  
Z15V  
Z16V  
Z17V  
Z18V  
Z19V  
Z20V  
Z22V  
Z24V  
Z25V  
Z27V  
Z28V  
Z30V  
Z33V  
Z36V  
Z39V  
Z43V  
Z47V  
Z51V  
Z56V  
Z60V  
Z62V  
Z68V  
Z75V  
2.28  
2.38  
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  
2.52  
2.63  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
9.5  
9
30  
30  
30  
30  
29  
28  
24  
23  
22  
19  
17  
11  
7
1200  
1250  
1300  
1400  
1600  
1600  
1700  
1900  
2000  
1900  
1600  
1600  
1600  
1000  
750  
1
1
100  
75  
75  
50  
25  
15  
10  
5
2.57  
2.84  
1
2.66  
2.94  
1
2.85  
3.15  
1
3.14  
3.47  
1
3.42  
3.78  
1
3.71  
4.10  
1
4.09  
4.52  
1
4.47  
4.94  
5
2
4.85  
5.36  
5
2
5.32  
5.88  
5
3
5.70  
6.30  
5
3.5  
4
5.89  
6.51  
7
5
6.46  
7.14  
5
3
5
7.13  
7.88  
6
500  
3
6
7.79  
8.61  
8
500  
3
6.5  
6.5  
7
8.27  
9.14  
8
600  
3
8.65  
9.56  
10  
17  
22  
30  
13  
15  
16  
17  
19  
21  
23  
25  
29  
33  
35  
41  
44  
49  
58  
70  
80  
93  
105  
125  
150  
170  
185  
230  
270  
600  
3
9.50  
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  
49.35  
53.55  
58.80  
63.00  
65.10  
71.40  
78.75  
600  
3
8
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  
44.65  
48.45  
53.20  
57.00  
58.90  
64.60  
71.25  
600  
2
8.4  
9.1  
9.9  
10  
11  
12  
13  
14  
14  
15  
17  
18  
19  
21  
21  
23  
25  
27  
30  
33  
36  
39  
43  
46  
47  
52  
56  
12  
13  
14  
15  
16  
17  
18  
19  
20  
22  
24  
25  
27  
28  
30  
33  
36  
39  
43  
47  
51  
56  
60  
62  
68  
75  
600  
1
600  
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  
0.1  
600  
8.5  
7.8  
7.4  
7
600  
600  
600  
600  
6.6  
6.2  
5.6  
5.2  
5
600  
600  
600  
600  
600  
4.6  
4.5  
4.2  
3.8  
3.4  
3.2  
3
600  
600  
600  
700  
700  
800  
900  
2.7  
2.5  
2.2  
2.1  
2.0  
1.8  
1.7  
1000  
1100  
1300  
1400  
1400  
1600  
1700  
VF Forward Voltage=900Mv Maximum@IF=10mA for all types  
Notes:  
1. The zener voltage (  
VZ) is tested under pulse condition of 1mS.  
2. The device numbers listed have a standard tolerance on the nominal zener voltage of ±5%.  
3. The zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an rms value equal to  
10% of the dc zener current ( ZK) is superimposed to  
IZT or  
I
IZT or  
IZK.  
4. For detailed information on price, availability and delivery of nominal zener voltages between the voltages shown and tighter  
voltage tolerances, contact your nearest Liteon Semiconductor Corp. representative.  
MMSZ5221BF THRU MMSZ5267BF  
Typical Characteristics  
Fig.1 Power Derating Curve  
Fig.2 Typical Zener Breakdown Characteristics  
Fig.4 Typical Total Capacitance vs. Nominal Zener  
Voltage  
Fig.3 Typical Zener Breakdown Characteristics  
MMSZ5221BF THRU MMSZ5267BF  
Typical Characteristics  
Fig.5 EFFECT OF ZENER VOLTAGE ON ZENER  
IMPEDANCE  
Fig.6 TYPICAL FORWARD VOLTAGE  
Fig.7 TYPICAL LEAKGE CURRENT  
Legal Disclaimer Notice  
MMSZ5221BF THRU MMSZ5267BF  
Important Notice and Disclaimer  
LSC 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.  
LSC makes no warranty, representation or guarantee regarding the suitability of its products  
for any particular purpose, nor does LSC assume any liability for application assistance or  
customer product design. LSC 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  
LSC.  
LSC products are not authorized for use as critical components in life support devices or  
systems without express written approval of LSC.  

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