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Z2SMB18B

更新时间：2025-06-29 05:37:38
品牌：TAITRON
描述：2.0W Surface Mount Zener Diodes

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Z2SMB18B 概述

2.0W Surface Mount Zener Diodes 2.0W表面贴装齐纳二极管

Z2SMB18B 数据手册

通过下载Z2SMB18B数据手册来全面了解它。这个PDF文档包含了所有必要的细节，如产品概述、功能特性、引脚定义、引脚排列图等信息。

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2.0W Surface Mount Zener Diodes  
Z2SMB6.8B – Z2SMB51B  
2.0W Surface Mount Zener Diodes  
Features  
• Low profile package  
• Built-in strain relief  
• Low inductance  
• Complete voltage range 6.8 to 51V  
• Typical ID less than 1.0µA above 11V  
SMB  
(DO-214AA)  
• High temperature soldering guaranteed: 260°C/10 seconds at terminals  
• Low leakage current  
• RoHS compliant  
Mechanical Data  
Case:  
Epoxy:  
JEDEC SMB (DO-214AA), molded plastic over passivated junction  
Plastic package has UL flammability classification 94V-0  
Solder plated, solderable per MIL-STD-750, Method 2026  
Color band denotes cathode end  
Terminals:  
Polarity:  
Weight:  
0.003 ounce, 0.093 gram  
Maximum Ratings (T Ambient=25ºC unless noted otherwise)  
Symbol  
PD  
Description  
Value  
Unit  
Conditions  
Peak Pulse Power Dissipation on TA=50°C  
Derate above 70°C  
2.0  
24  
W
Note  
mW/° C  
8.3ms single half sine-  
wave superimposed on  
rated load (JEDEC  
Method)  
Peak Forward Surge Current  
15  
A
IFSM  
Operating Junction and Storage  
Temperature Range  
-55 to 150  
° C  
TJ,TSTG  
Note: Mounted on 5.0mm² (.013mm thick) land areas.  
TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com  
Rev. A/AH 2008-06-16  
Page 1 of 4  
Tel: (800)-TAITRON (800)-824-8766 (661)-257-6060  
Fax: (800)-TAITFAX (800)-824-8329 (661)-257-6415  
2.0W Surface Mount Zener Diodes  
Z2SMB6.8B – Z2SMB51B  
Electrical Characteristics (T Ambient=25ºC unless noted otherwise)  
Norminal Zener Voltage @ IZT  
VZ(V)  
Max. Zener Impedance (Ω)  
Max. Reverse  
Leakage Current IR  
@ VR  
Marking  
Code  
Part NO.  
ZZT @  
IZT  
ZZK @  
Izk  
IZT(mA)  
IZK(mA) IR(μA)  
VR(V)  
4.0  
Nom.  
6.8  
7.5  
8.2  
8.7  
9.1  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
22  
24  
25  
27  
28  
30  
33  
36  
39  
43  
47  
51  
Min.  
6.46  
Max.  
7.14  
Z2SMB6.8B  
Z2SMB7.5B  
Z2SMB8.2B  
Z2SMB8.7B  
Z2SMB9.1B  
Z2SMB10B  
Z2SMB11B  
Z2SMB12B  
Z2SMB13B  
Z2SMB14B  
Z2SMB15B  
Z2SMB16B  
Z2SMB17B  
Z2SMB18B  
Z2SMB19B  
Z2SMB20B  
Z2SMB22B  
Z2SMB24B  
Z2SMB25B  
Z2SMB27B  
Z2SMB28B  
Z2SMB30B  
Z2SMB33B  
Z2SMB36B  
Z2SMB39B  
Z2SMB43B  
Z2SMB47B  
Z2SMB51B  
2006  
2007  
2008  
20A8  
2009  
2010  
2011  
2012  
2013  
2014  
2015  
2016  
2017  
2018  
2019  
2020  
2022  
2024  
2025  
2027  
2028  
2030  
2033  
2036  
2039  
2043  
2047  
2051  
73.5  
66.5  
61.0  
58.0  
55.0  
50.0  
45.5  
41.5  
38.5  
35.7  
33.4  
31.2  
29.4  
27.8  
26.3  
25.0  
22.8  
20.8  
20.0  
18.5  
17.0  
16.6  
15.1  
13.9  
12.8  
11.6  
10.6  
9.8  
2
700  
700  
700  
700  
700  
700  
700  
700  
700  
700  
700  
700  
750  
750  
750  
750  
750  
750  
750  
750  
750  
1000  
1000  
1000  
1000  
1500  
1500  
1500  
1.00  
0.50  
0.50  
0.50  
0.50  
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  
5.0  
5.0  
5.0  
4.0  
3.0  
3.0  
1.0  
1.0  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
7.13  
7.88  
2
5.0  
7.79  
8.61  
2
6.0  
8.27  
9.14  
2
6.6  
8.65  
9.56  
3
7.0  
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  
4
7.6  
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  
4
8.4  
5
9.1  
5
9.9  
6
10.6  
11.4  
12.2  
13.0  
13.7  
14.4  
15.2  
16.7  
18.2  
19.0  
20.6  
21.3  
22.5  
25.1  
27.4  
29.7  
32.7  
35.8  
38.8  
7
8
9
10  
11  
11  
12  
13  
14  
18  
18  
20  
23  
25  
30  
35  
40  
48  
Note: Suffix “B” indicates ±5% tolerance.  
Rev. A/AH 2008-06-16  
Page 2 of 4  
www.taitroncomponents.com  
2.0W Surface Mount Zener Diodes  
Z2SMB6.8B – Z2SMB51B  
Typical Characteristics Curves  
Fig.1-Max.Surge Power  
P.W. Pulse Width (ms)  
Dimensions in inch (mm)  
SMB (DO-214AA)  
Rev. A/AH 2008-06-16  
Page 3 of 4  
www.taitroncomponents.com  
2.0W Surface Mount Zener Diodes  
Z2SMB6.8B – Z2SMB51B  
Marking Information:  
How to contact us:  
US HEADQUARTERS  
28040 WEST HARRISON PARKWAY, VALENCIA, CA 91355-4162  
Tel: (800) TAITRON (800) 824-8766 (661) 257-6060  
Fax: (800) TAITFAX (800) 824-8329 (661) 257-6415  
Email: taitron@taitroncomponents.com  
Http://www.taitroncomponents.com  
TAITRON COMPONENTS MEXICO, S.A .DE C.V.  
BOULEVARD CENTRAL 5000 INTERIOR 5 PARQUE INDUSTRIAL ATITALAQUIA, HIDALGO C.P.  
42970 MEXICO  
Tel: +52-55-5560-1519  
Fax: +52-55-5560-2190  
TAITRON COMPONENTS INCORPORATED REPRESENTAÇÕES DO BRASIL LTDA  
RUA DOMINGOS DE MORAIS, 2777, 2.ANDAR, SALA 24 SAÚDE - SÃO PAULO-SP 04035-001 BRAZIL  
Tel: +55-11-5574-7949  
Fax: +55-11-5572-0052  
TAITRON COMPONENTS INCORPORATED, SHANGHAI REPRESENTATIVE OFFICE  
METROBANK PLAZA, 1160 WEST YAN’ AN ROAD, SUITE 1503, SHANGHAI, 200052, CHINA  
Tel: +86-21-5424-9942  
Fax: +86-21-5424-9931  
Rev. A/AH 2008-06-16  
Page 4 of 4  
www.taitroncomponents.com  

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