BOURNS SMCJ33CA-Q Transient Voltage Suppressor Diode
The BOURNS SMCJ33CA-Q is a high-performance TVS (Transient Voltage Suppressor) diode designed for circuit protection applications. Manufactured in Taiwan, this device provides reliable transient voltage suppression to safeguard electronic systems from voltage spikes and surges.
Single bi-directional TVS diode with a working voltage of 33V
Peak pulse power dissipation of 1500W (TP = 1 ms)
Maximum non-repetitive surge current of 200A (8.3 ms single half-sine wave)
Operating temperature range from -55°C to +150°C
RoHS compliant for environmentally conscious applications
Mounted on 5.0 mm copper pads for optimal thermal performance
Electrical Specifications
Parameter
Symbol
Value
Unit
Peak Power Dissipation
P PK
1500
Watts
Peak Forward Surge Current
I FSM
200
Amps
Operating Temperature Range
T J
-55 to +150
°C
Storage Temperature Range
T STG
-55 to +150
°C
Physical and Packaging Details
Dimension
SMC (DO-214AB)
A (Max.)
4.69 mm (0.185 in)
B (Min.)
3.07 mm (0.121 in)
C (Min.)
1.52 mm (0.060 in)
The device is housed in a molded plastic case compliant with UL Class 94V-0. Polarity is indicated by a cathode band for unidirectional devices; bidirectional devices have no cathode band. The package is supplied in a reel for automated assembly.
Additional Information
For detailed technical data, application notes, and to request samples, please visit the BOURNS technical library and inventory pages:
Disclaimer: Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. For legal disclaimers, visit Legal Disclaimers.
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{"id":10022430376253,"title":"SMCJ33CA-Q","handle":"smcj33ca-q","description":"\u003ch3\u003eBOURNS SMCJ33CA-Q Transient Voltage Suppressor Diode\u003c\/h3\u003e\n\u003cp\u003eThe BOURNS SMCJ33CA-Q is a high-performance TVS (Transient Voltage Suppressor) diode designed for circuit protection applications. Manufactured in Taiwan, this device provides reliable transient voltage suppression to safeguard electronic systems from voltage spikes and surges.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SMCJ33CA-Q\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e BOURNS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e TW (Taiwan)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e Each (EA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e REEL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-bo\/bo-smcj33ca-q.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSingle bi-directional TVS diode with a working voltage of 33V\u003c\/li\u003e\n\u003cli\u003ePeak pulse power dissipation of 1500W (TP = 1 ms)\u003c\/li\u003e\n\u003cli\u003eMaximum non-repetitive surge current of 200A (8.3 ms single half-sine wave)\u003c\/li\u003e\n\u003cli\u003eOperating temperature range from -55°C to +150°C\u003c\/li\u003e\n\u003cli\u003eRoHS compliant for environmentally conscious applications\u003c\/li\u003e\n\u003cli\u003eMounted on 5.0 mm copper pads for optimal thermal performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSymbol\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Power Dissipation\u003c\/td\u003e\n\u003ctd\u003eP PK\u003c\/td\u003e\n\u003ctd\u003e1500\u003c\/td\u003e\n\u003ctd\u003eWatts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Forward Surge Current\u003c\/td\u003e\n\u003ctd\u003eI FSM\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003eAmps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003eT J\u003c\/td\u003e\n\u003ctd\u003e-55 to +150\u003c\/td\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature Range\u003c\/td\u003e\n\u003ctd\u003eT STG\u003c\/td\u003e\n\u003ctd\u003e-55 to +150\u003c\/td\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical and Packaging Details\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003cth\u003eSMC (DO-214AB)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eA (Max.)\u003c\/td\u003e\n\u003ctd\u003e4.69 mm (0.185 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB (Min.)\u003c\/td\u003e\n\u003ctd\u003e3.07 mm (0.121 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC (Min.)\u003c\/td\u003e\n\u003ctd\u003e1.52 mm (0.060 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe device is housed in a molded plastic case compliant with UL Class 94V-0. Polarity is indicated by a cathode band for unidirectional devices; bidirectional devices have no cathode band. The package is supplied in a reel for automated assembly.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data, application notes, and to request samples, please visit the BOURNS technical library and inventory pages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.bourns.com\/resources\/technical-library\/library-documents\/diodes-technical-library\" target=\"_blank\"\u003eTechnical Library\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.bourns.com\/inventory-search-results?PARTS=SMCJ-Q\" target=\"_blank\"\u003eInventory Search\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.bourns.com\/support\/request-samples\" target=\"_blank\"\u003eRequest Samples\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. For legal disclaimers, visit \u003ca href=\"https:\/\/www.bourns.com\/docs\/legal\/disclaimer.pdf\" target=\"_blank\"\u003eLegal Disclaimers\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e","published_at":"2025-08-13T09:05:24+05:30","created_at":"2025-08-13T09:05:24+05:30","vendor":"Waldom Electonics","type":"Circuit Protection","tags":["BOURN","Circuit","DO","Esd","IMPORT_CSV","Tvs","WLDM"],"price":3091,"price_min":3091,"price_max":3091,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50614550266173,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"SMCJ33CA-Q","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"SMCJ33CA-Q","public_title":null,"options":["Default Title"],"price":3091,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"SMCJ33CA-Q","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/SMCJ33CA-Q_50067890_120d5ea3.jpg?v=1755056127"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SMCJ33CA-Q_50067890_120d5ea3.jpg?v=1755056127","options":["Title"],"media":[{"alt":null,"id":45812968194365,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SMCJ33CA-Q_50067890_120d5ea3.jpg?v=1755056127"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SMCJ33CA-Q_50067890_120d5ea3.jpg?v=1755056127","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eBOURNS SMCJ33CA-Q Transient Voltage Suppressor Diode\u003c\/h3\u003e\n\u003cp\u003eThe BOURNS SMCJ33CA-Q is a high-performance TVS (Transient Voltage Suppressor) diode designed for circuit protection applications. Manufactured in Taiwan, this device provides reliable transient voltage suppression to safeguard electronic systems from voltage spikes and surges.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SMCJ33CA-Q\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e BOURNS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e TW (Taiwan)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e Each (EA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e REEL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-bo\/bo-smcj33ca-q.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSingle bi-directional TVS diode with a working voltage of 33V\u003c\/li\u003e\n\u003cli\u003ePeak pulse power dissipation of 1500W (TP = 1 ms)\u003c\/li\u003e\n\u003cli\u003eMaximum non-repetitive surge current of 200A (8.3 ms single half-sine wave)\u003c\/li\u003e\n\u003cli\u003eOperating temperature range from -55°C to +150°C\u003c\/li\u003e\n\u003cli\u003eRoHS compliant for environmentally conscious applications\u003c\/li\u003e\n\u003cli\u003eMounted on 5.0 mm copper pads for optimal thermal performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSymbol\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Power Dissipation\u003c\/td\u003e\n\u003ctd\u003eP PK\u003c\/td\u003e\n\u003ctd\u003e1500\u003c\/td\u003e\n\u003ctd\u003eWatts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Forward Surge Current\u003c\/td\u003e\n\u003ctd\u003eI FSM\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003eAmps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003eT J\u003c\/td\u003e\n\u003ctd\u003e-55 to +150\u003c\/td\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature Range\u003c\/td\u003e\n\u003ctd\u003eT STG\u003c\/td\u003e\n\u003ctd\u003e-55 to +150\u003c\/td\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical and Packaging Details\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003cth\u003eSMC (DO-214AB)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eA (Max.)\u003c\/td\u003e\n\u003ctd\u003e4.69 mm (0.185 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB (Min.)\u003c\/td\u003e\n\u003ctd\u003e3.07 mm (0.121 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC (Min.)\u003c\/td\u003e\n\u003ctd\u003e1.52 mm (0.060 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe device is housed in a molded plastic case compliant with UL Class 94V-0. Polarity is indicated by a cathode band for unidirectional devices; bidirectional devices have no cathode band. The package is supplied in a reel for automated assembly.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data, application notes, and to request samples, please visit the BOURNS technical library and inventory pages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.bourns.com\/resources\/technical-library\/library-documents\/diodes-technical-library\" target=\"_blank\"\u003eTechnical Library\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.bourns.com\/inventory-search-results?PARTS=SMCJ-Q\" target=\"_blank\"\u003eInventory Search\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.bourns.com\/support\/request-samples\" target=\"_blank\"\u003eRequest Samples\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. For legal disclaimers, visit \u003ca href=\"https:\/\/www.bourns.com\/docs\/legal\/disclaimer.pdf\" target=\"_blank\"\u003eLegal Disclaimers\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e"}
