BOURNS MF-PSML350-2 Resettable Fuses - PPTC Polymer PTC Series
The BOURNS MF-PSML350-2 is a high-reliability resettable fuse designed for circuit protection applications. Manufactured in China, this PPTC (Polymer Positive Temperature Coefficient) device offers excellent overcurrent protection with a low resistance profile and fast trip response. It is RoHS compliant and suitable for various electronic devices requiring reliable circuit safeguarding.
Low ohmic resistance with typical Rmin. of 0.003 Ohms at 23°C
Maximum voltage: 6V
Maximum current: 50A
Hold current: 3.50A at 23°C
Trip current: 7.00A at 23°C
Maximum trip time: 8 seconds at rated current
Tripped power dissipation: 0.6 Watts
Operating temperature range: -40°C to +85°C
RoHS compliant and halogen-free
Electrical Specifications
Model
V max. Volts
I max. Amps
Ihold (A)
Itrip (A)
Resistance (Ω)
Max. Time To Trip (Seconds)
MF-PSML350
6
50
3.50
7.00
0.003
8.00
Environmental & Mechanical Characteristics
Storage Conditions: Before Opening - +40°C max, 70% RH max; After Opening - +40°C max, 10% RH max
Passive Aging: ±10% resistance change after 1000 hours at +85°C
Humidity Aging: ±15% resistance change after 100 hours at +85°C, 85% R.H.
Thermal Shock: ±30% resistance change after 20 cycles between -40°C and +85°C
Vibration & Solvent Resistance: No change per MIL-STD-883C and MIL-STD-202
ESD Classification: Class 6 (HBM)
Application Areas
USB port protection - USB 2.0, 3.0 & OTG
HDMI 1.4 Source protection
PC motherboards - Plug & Play protection
Mobile phones - Battery & port protection
PDA / digital cameras
Bluetooth earphone power protection
Game console port protection
Additional Information
For detailed specifications, testing procedures, and handling guidelines, please refer to the datasheet.
Disclaimer: Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. For more details, please search the internet for the part number MF-PSML350-2.
{"id":10022105841981,"title":"MF-PSML350-2","handle":"mf-psml350-2","description":"\u003ch3\u003eBOURNS MF-PSML350-2 Resettable Fuses - PPTC Polymer PTC Series\u003c\/h3\u003e\n\u003cp\u003eThe BOURNS MF-PSML350-2 is a high-reliability resettable fuse designed for circuit protection applications. Manufactured in China, this PPTC (Polymer Positive Temperature Coefficient) device offers excellent overcurrent protection with a low resistance profile and fast trip response. It is RoHS compliant and suitable for various electronic devices requiring reliable circuit safeguarding.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MF-PSML350-2\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 CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure (UOM):\u003c\/strong\u003e 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\/productfiles\/mf-bo\/mfpsml.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eMF-PSML Series Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLow ohmic resistance with typical Rmin. of 0.003 Ohms at 23°C\u003c\/li\u003e\n\u003cli\u003eMaximum voltage: 6V\u003c\/li\u003e\n\u003cli\u003eMaximum current: 50A\u003c\/li\u003e\n\u003cli\u003eHold current: 3.50A at 23°C\u003c\/li\u003e\n\u003cli\u003eTrip current: 7.00A at 23°C\u003c\/li\u003e\n\u003cli\u003eMaximum trip time: 8 seconds at rated current\u003c\/li\u003e\n\u003cli\u003eTripped power dissipation: 0.6 Watts\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and halogen-free\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\u003eModel\u003c\/th\u003e\n\u003cth\u003eV max. Volts\u003c\/th\u003e\n\u003cth\u003eI max. Amps\u003c\/th\u003e\n\u003cth\u003eIhold (A)\u003c\/th\u003e\n\u003cth\u003eItrip (A)\u003c\/th\u003e\n\u003cth\u003eResistance (Ω)\u003c\/th\u003e\n\u003cth\u003eMax. Time To Trip (Seconds)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMF-PSML350\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e3.50\u003c\/td\u003e\n\u003ctd\u003e7.00\u003c\/td\u003e\n\u003ctd\u003e0.003\u003c\/td\u003e\n\u003ctd\u003e8.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental \u0026amp; Mechanical Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStorage Conditions: Before Opening - +40°C max, 70% RH max; After Opening - +40°C max, 10% RH max\u003c\/li\u003e\n\u003cli\u003ePassive Aging: ±10% resistance change after 1000 hours at +85°C\u003c\/li\u003e\n\u003cli\u003eHumidity Aging: ±15% resistance change after 100 hours at +85°C, 85% R.H.\u003c\/li\u003e\n\u003cli\u003eThermal Shock: ±30% resistance change after 20 cycles between -40°C and +85°C\u003c\/li\u003e\n\u003cli\u003eVibration \u0026amp; Solvent Resistance: No change per MIL-STD-883C and MIL-STD-202\u003c\/li\u003e\n\u003cli\u003eESD Classification: Class 6 (HBM)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication Areas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUSB port protection - USB 2.0, 3.0 \u0026amp; OTG\u003c\/li\u003e\n\u003cli\u003eHDMI 1.4 Source protection\u003c\/li\u003e\n\u003cli\u003ePC motherboards - Plug \u0026amp; Play protection\u003c\/li\u003e\n\u003cli\u003eMobile phones - Battery \u0026amp; port protection\u003c\/li\u003e\n\u003cli\u003ePDA \/ digital cameras\u003c\/li\u003e\n\u003cli\u003eBluetooth earphone power protection\u003c\/li\u003e\n\u003cli\u003eGame console port protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications, testing procedures, and handling guidelines, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-bo\/mfpsml.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\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 more details, please search the internet for the part number MF-PSML350-2.\u003c\/p\u003e","published_at":"2025-08-13T03:28:34+05:30","created_at":"2025-08-13T03:28:34+05:30","vendor":"Waldom Electonics","type":"Circuit Protection","tags":["BOURN","Circuit","IMPORT_CSV","PPTC","WLDM"],"price":7484,"price_min":7484,"price_max":7484,"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":50613921612093,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"MF-PSML350-2","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"MF-PSML350-2","public_title":null,"options":["Default Title"],"price":7484,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"MF-PSML350-2","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/MF-PSML350-2_49869566_0657f8f9.jpg?v=1755035918"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MF-PSML350-2_49869566_0657f8f9.jpg?v=1755035918","options":["Title"],"media":[{"alt":null,"id":45809685856573,"position":1,"preview_image":{"aspect_ratio":1.63,"height":200,"width":326,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MF-PSML350-2_49869566_0657f8f9.jpg?v=1755035918"},"aspect_ratio":1.63,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MF-PSML350-2_49869566_0657f8f9.jpg?v=1755035918","width":326}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eBOURNS MF-PSML350-2 Resettable Fuses - PPTC Polymer PTC Series\u003c\/h3\u003e\n\u003cp\u003eThe BOURNS MF-PSML350-2 is a high-reliability resettable fuse designed for circuit protection applications. Manufactured in China, this PPTC (Polymer Positive Temperature Coefficient) device offers excellent overcurrent protection with a low resistance profile and fast trip response. It is RoHS compliant and suitable for various electronic devices requiring reliable circuit safeguarding.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MF-PSML350-2\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 CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure (UOM):\u003c\/strong\u003e 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\/productfiles\/mf-bo\/mfpsml.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eMF-PSML Series Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLow ohmic resistance with typical Rmin. of 0.003 Ohms at 23°C\u003c\/li\u003e\n\u003cli\u003eMaximum voltage: 6V\u003c\/li\u003e\n\u003cli\u003eMaximum current: 50A\u003c\/li\u003e\n\u003cli\u003eHold current: 3.50A at 23°C\u003c\/li\u003e\n\u003cli\u003eTrip current: 7.00A at 23°C\u003c\/li\u003e\n\u003cli\u003eMaximum trip time: 8 seconds at rated current\u003c\/li\u003e\n\u003cli\u003eTripped power dissipation: 0.6 Watts\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and halogen-free\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\u003eModel\u003c\/th\u003e\n\u003cth\u003eV max. Volts\u003c\/th\u003e\n\u003cth\u003eI max. Amps\u003c\/th\u003e\n\u003cth\u003eIhold (A)\u003c\/th\u003e\n\u003cth\u003eItrip (A)\u003c\/th\u003e\n\u003cth\u003eResistance (Ω)\u003c\/th\u003e\n\u003cth\u003eMax. Time To Trip (Seconds)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMF-PSML350\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e3.50\u003c\/td\u003e\n\u003ctd\u003e7.00\u003c\/td\u003e\n\u003ctd\u003e0.003\u003c\/td\u003e\n\u003ctd\u003e8.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental \u0026amp; Mechanical Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStorage Conditions: Before Opening - +40°C max, 70% RH max; After Opening - +40°C max, 10% RH max\u003c\/li\u003e\n\u003cli\u003ePassive Aging: ±10% resistance change after 1000 hours at +85°C\u003c\/li\u003e\n\u003cli\u003eHumidity Aging: ±15% resistance change after 100 hours at +85°C, 85% R.H.\u003c\/li\u003e\n\u003cli\u003eThermal Shock: ±30% resistance change after 20 cycles between -40°C and +85°C\u003c\/li\u003e\n\u003cli\u003eVibration \u0026amp; Solvent Resistance: No change per MIL-STD-883C and MIL-STD-202\u003c\/li\u003e\n\u003cli\u003eESD Classification: Class 6 (HBM)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication Areas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUSB port protection - USB 2.0, 3.0 \u0026amp; OTG\u003c\/li\u003e\n\u003cli\u003eHDMI 1.4 Source protection\u003c\/li\u003e\n\u003cli\u003ePC motherboards - Plug \u0026amp; Play protection\u003c\/li\u003e\n\u003cli\u003eMobile phones - Battery \u0026amp; port protection\u003c\/li\u003e\n\u003cli\u003ePDA \/ digital cameras\u003c\/li\u003e\n\u003cli\u003eBluetooth earphone power protection\u003c\/li\u003e\n\u003cli\u003eGame console port protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications, testing procedures, and handling guidelines, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-bo\/mfpsml.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\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 more details, please search the internet for the part number MF-PSML350-2.\u003c\/p\u003e"}
