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Provides mechanical specifications (epoxy UL 94V-0, molded plastic, solderability per MIL-STD-202) and polarity guidance via a cathode color band. Includes maximum ratings and electrical characteristics tables at TA=25°C, plus thermal and surge behavior curves for power derating and temperature coefficients.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/smd-zener-diode-rating-and-characteristics-curves/562928/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/smd-zener-diode-rating-and-characteristics-curves/562928.png","ImageObject",300,407,{"name":92,"@type":93},"acoobca","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-14","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What are the main electrical limits listed for the SMD zener diode at TA=25°C?","Question",{"text":112,"@type":113},"The document provides maximum DC power dissipation (PD), maximum forward voltage (VF at IF=200 mA), junction temperature range (TJ), and storage temperature range (TSTG) for operation and reliability guidance.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How is polarity identified on the diode package?",{"text":117,"@type":113},"A color band denotes the cathode end, enabling correct polarity when mounting the SMD zener diode.",{"name":119,"@type":110,"acceptedAnswer":120},"What do the provided rating and characteristics curves help determine?",{"text":121,"@type":113},"The curves support selection and safe use by showing power temperature derating behavior, thermal resistance versus lead characteristics, temperature coefficients versus zener voltage, and maximum surge power versus pulse conditions.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},562928,1791879819,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":24,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":29,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":144},3985747870733,"https://ap-avatar.wpscdn.com/davatar_a8503ba1806abce46bf441b54a3ca4cd","SMD Zener Diode  \nCZRB5338B-HF Thru. CZRB5388B-HF  \nVoltage: 5.1V to 200V  \nPower: 5 WRoHS Device Halogen Free  \nFeatures  \n-Glass passivated chip  \n-Low leakage  \n-Built-in strain relief  \n-Low inductance  \n-High peak reverse power dissipation  \n-For use in stabilizing and clipping with with high power rating.  \nMechanical data  \n-Epoxy: UL 94V-0 rate flame retardant  \n-Case: Molded plastic  \n-Lead: Solderable per MIL-STD-202, method 208 guranteed.  \n-Polarity: Color band denotes cathode end.  \n-Mounting position: Any  \nCircuit diagram  \n\n| SMB/DO-214AA |  |\n| --- | --- |\n| | |\n| \u003Cbr>Dimensions in inches and (millimeter) |  |\n\nMaximum Ratings (TA=25°C unless otherwise noted)  \n\n| Parameter | Symbol | Value | Unit |\n| --- | --- | --- | --- |\n| DC Power dissipation at TL = 50°C (Note 1) | PD | 5.0 | W |\n| Maximum forward voltage at IF = 200 mA | VF | 1.2 | V |\n| Junction temperature range | TJ | -55 to +150 | °C |\n| Storange temperature range | TSTG | -55 to +150 | °C |\n\nNote:  \n(1) TL = Lead temperature at 3/8”(9 .5mm) from body.  \nCompany reserves the right to improve product design , functions and reliability without notice. REV:A  \nQW-JZ008 Page 1  \nComchip Technology CO., LTD.  \nSMD Zener Diode  \nRating and Characteristics Curves ( CZRB5338B-HF Thru CZRB5388B-HF )  \nMax . Power d iss ipat ion , PD (W)  \nJunct ion to Lead Therma l Res istance , ( °C/W)  \nFig.1-Power Temperature Derating Curve  \n5.0  \n4.0  \n3.0  \n2.0  \n1.0  \n0.0  \n0 25 50 75 100 125 150 175 Lead Temperature, TL (°C)  \nFig.3-Typical Thermal Resistance v.s. Lead Length  \n0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0  \nLead Length to Heatsink, L (inches)  \nPeak Surge Power, (W) Temperature Coeffic ient , ΘVZ ( mV/ °C)  \nFig.2-Temperature Coefficientsv.s. Zener Voltage  \n100  \n10  \n1  \n10 100  \nZener Voltage, VZ (V)  \nFig.4-Maximum Surge Power  \n1 10 100 1000  \nPulse Width, PW (ms)  \nFig.5-Typical Thermal Response L, Lead Length=3/8inch  \n100  \nResistance  \nJunct ion to Lead Tri ensient ΘJL(t , D) , ( °C/W)  \n10  \n1  \n0.1  \n0.001 0.01 0.1 1 10 100  \nTime, t ,(s)  \nCompany reserves the right to improve product design , functions and reliability without notice. REV:A  \nQW-JZ008 Page 2  \nComchip Technology CO., LTD.  \nSMD Zener Diode  \nElectrical Characteristics (TA=25°C unless otherwise noted)  \n\n| Part Number | Nominal\u003Cbr>Zener Voltage |  | Maximum\u003Cbr>Zener Impedance |  |  | Maximum Reverse\u003Cbr>Leakage Current |  | Marking\u003Cbr>Code |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  | VZ @ IZT | IZT | ZZT @ IZT | ZZK @ IZK | IZK | IR @ VR |  |  |\n|  | (V) | (mA) | (Ω) | (Ω) | (mA) | (µA) | (V) |  |\n| CZRB5338B-HF | 5.1 | 240 | 1.5 | 400 | 1 | 1.0 | 1.0 | 338B |\n| CZRB5339B-HF | 5.6 | 220 | 1.0 | 400 | 1 | 1.0 | 2.0 | 339B |\n| CZRB5340B-HF | 6.0 | 200 | 1.0 | 300 | 1 | 1.0 | 3.0 | 340B |\n| CZRB5341B-HF | 6.2 | 200 | 1.0 | 200 | 1 | 1.0 | 3.0 | 341B |\n| CZRB5342B-HF | 6.8 | 175 | 1.0 | 200 | 1 | 10.0 | 5.2 | 342B |\n| CZRB5343B-HF | 7.5 | 175 | 1.5 | 200 | 1 | 10.0 | 5.7 | 343B |\n| CZRB5344B-HF | 8.2 | 150 | 1.5 | 200 | 1 | 10.0 | 6.2 | 344B |\n| CZRB5345B-HF | 8.7 | 150 | 2.0 | 200 | 1 | 10.0 | 6.6 | 345B |\n| CZRB5346B-HF | 9.1 | 150 | 2.0 | 150 | 1 | 7.5 | 6.9 | 346B |\n| CZRB5347B-HF | 10.0 | 125 | 2.0 | 125 | 1 | 5.0 | 7.6 | 347B |\n| CZRB5348B-HF | 11.0 | 125 | 2.5 | 125 | 1 | 5.0 | 8.4 | 348B |\n| CZRB5349B-HF | 12.0 | 100 | 2.5 | 125 | 1 | 2.0 | 9.1 | 349B |\n| CZRB5350B-HF | 13.0 | 100 | 2.5 | 100 | 1 | 1.0 | 9.9 | 350B |\n| CZRB5351B-HF | 14.0 | 100 | 2.5 | 75 | 1 | 1.0 | 10.6 | 351B |\n| CZRB5352B-HF | 15.0 | 75 | 2.5 | 75 | 1 | 1.0 | 11.5 | 352B |\n| CZRB5353B-HF | 16.0 | 75 | 2.5 | 75 | 1 | 1.0 | 12.2 | 353B |\n| CZRB5354B-HF | 17.0 | 70 | 2.5 | 75 | 1 | 0.5 | 12.9 | 354B |\n| CZRB5355B-HF | 18.0 | 65 | 2.5 | 75 | 1 | 0.5 | 13.7 | 355B |\n| CZRB5356B-HF | 19.0 | 65 | 3.0 | 75 | 1 | 0.5 | 14.4 | 356B |\n| CZRB5357B-HF | 20.0 | 65 | 3.0 | 75 | 1 | 0.5 | 15.2 | 357B |\n| CZRB5358B-HF | 22.0 | 50 | 3.5 | 75 | 1 | 0.5 | 16.7 | 358B |\n| CZRB5359B-HF | 24.0 | 50 | 3.5 | ","cbCair7Yxj2cD8Gn","https://ap.wps.com/l/cbCair7Yxj2cD8Gn","pdf",122229,"English","# Features\n# Mechanical data\n# Maximum Ratings (TA=25°C)\n# Rating and Characteristics Curves\n## Power derating and thermal resistance\n## Temperature coefficients and surge power\n# Electrical Characteristics (TA=25°C)\n## Part number table and marking code\n# Notes","[{\"question\":\"What are the main electrical limits listed for the SMD zener diode at TA=25°C?\",\"answer\":\"The document provides maximum DC power dissipation (PD), maximum forward voltage (VF at IF=200 mA), junction temperature range (TJ), and storage temperature range (TSTG) for operation and reliability guidance.\"},{\"question\":\"How is polarity identified on the diode package?\",\"answer\":\"A color band denotes the cathode end, enabling correct polarity when mounting the SMD zener diode.\"},{\"question\":\"What do the provided rating and characteristics curves help determine?\",\"answer\":\"The curves support selection and safe use by showing power temperature derating behavior, thermal resistance versus lead characteristics, temperature coefficients versus zener voltage, and maximum surge power versus pulse conditions.\"}]","SMD Zener Diode - Rating and Characteristics Curves | PDF",1791810085,15]