MF-PSMF035X-2.

FUSE, RESETTABLE PTC, 6V, 350mA, 0805

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: BOURNS
Product type: Surface Mount PPTCs
Time to Trip: 0.1s
Product Range: MF-PSMF Series
Voltage Rating: 6VDC
Holding Current: 350mA
PPTC Case Style: 0805 (2012 Metric)
Tripping Current: 750mA
Current Rating Max: 40A
Operating Temperature Max: 85°C
Operating Temperature Min: -40°C

Delivery and price
Units per pack	15000
Price	0.329 €
Current stock	10+
Lead time	30 days

Datasheet

## **Features** 

- Compact design to save board space - 0805 footprint 

- Small size results in very fast time to react to fault events 

- Symmetrical design 

- Low profi le 

- RoHS compliant* and halogen free** 

## **Applications** 

   - USB port protection - USB 2.0, 3.0 & OTG ■ HDMI 1.4 Source protection 

   - PC motherboards - Plug and Play protection 

   - Mobile phones - Battery and port protection 

   - PDAs / digital cameras 

   - Game console port protection 

- Agency recognition: 

## **MF-PSMF Series - PTC Resettable Fuses** 

## ~~**Electrical Characteristics**~~ 

|**Model**<br>ss|**V max.**<br>**Volts**<br>ss|**I max.**<br>**Amps**<br>|**Ihold**|**Itrip**|**Resistance**|**Resistance**|**Max. Time**<br>**To Trip**|**Max. Time**<br>**To Trip**|**Tripped**<br>**Power**<br>**Dissipation**|
|---|---|---|---|---|---|---|---|---|---|
||||**Amperes**<br>**at 23 °C**<br>es<br>||**Ohms**<br>**at 23 °C**<br>||**Amperes**<br>**at 23 °C**<br>|**Seconds**<br>**at 23 °C**<br>|**Watts**<br>**at 23 °C**<br>|
||||Hold<br>es<br>|Trip<br>|RMin.<br>|R1Max.<br>|||Typ.<br>|
|MF-PSMF010X<br>ss|15<br>ss|40<br>GQ|0.10<br>es<br>GQ|0.30<br>GQ|1.0<br>GQ|7.5<br>GQ|0.5<br>GQ|1.5<br>GQ|0.5<br>GQ|
|MF-PSMF020X<br>ss<br>ss<br>es|9<br>ss<br>ss<br>es|40<br>GQ<br>GQ<br>ee|0.20<br>es<br>GQ<br>GQ<br>GQ|0.50<br>GQ<br>GQ<br>GQ|0.65<br>GQ<br>GQ<br>GQ|3.5<br>GQ<br>GQ|8.00<br>GQ<br>GQ<br>GO|0.02<br>GQ<br>GQ<br>GO|0.5<br>GQ<br>GQ|
|MF-PSMF035X<br>ss<br>es<br>ss|6<br>ss<br>es<br>ss|40<br>GQ<br>ee<br>es|0.35<br>GQ<br>GQ<br>GG|0.75<br>GQ<br>GQ<br>GG|0.250<br>GQ<br>GQ<br>GG|1.200<br>GQ<br>GG|8.00<br>GQ<br>GO<br>GG|0.10<br>GQ<br>GO|0.5<br>GQ|
|MF-PSMF050X<br>es<br>ss|6<br>es<br>ss|40<br>ee <br>es|0.50<br> GQ<br>GG|1.00<br>GQ<br>GG|0.150<br>GQ<br>GG|0.900<br>GG|8.00<br>GO<br>GG|0.10<br>GO|0.5|
|MF-PSMF075X<br>ss<br>a<br>es|6<br>ss <br>ss<br>es|40<br> es <br>ss<br>GQ|0.75<br> GG<br>GG<br>GQ|1.50<br>GG<br>GG<br>GQ|0.090<br>GG <br>GG<br>GQ|0.350<br> GG<br>GG<br>GQ|8.00<br>GG<br>GG<br>GQ|0.20<br>GQ|0.6<br>GQ|
|MF-PSMF110X<br>es|6<br>es|40<br>GQ|1.10<br>GQ|2.20<br>GQ|0.060<br>GQ|0.210<br>GQ|8.00<br>GQ|0.30<br>GQ|0.6<br>GQ|



## ~~**Environmental Characteristics**~~ 

|Operating Temperature ......................................... -40 °C to +85 °C|Operating Temperature ......................................... -40 °C to +85 °C|
|---|---|
|Maximum Device Surface Temperature||
|in Tripped State .................................................... 125 °C|in Tripped State .................................................... 125 °C|
|Passive Aging ....................................................... +85 °C, 1000 hours ............................................... ±5 % typical resistance change|Passive Aging ....................................................... +85 °C, 1000 hours ............................................... ±5 % typical resistance change|
|Humidity Aging ..................................................... +85 °C, 85 % R.H. 1000 hours ............................. ±5 % typical resistance change|Humidity Aging ..................................................... +85 °C, 85 % R.H. 1000 hours ............................. ±5 % typical resistance change|
|Thermal Shock ..................................................... +85 °C to -40 °C, 20 times ................................... ±10 % typical resistance change|Thermal Shock ..................................................... +85 °C to -40 °C, 20 times ................................... ±10 % typical resistance change|
|Solvent Resistance ............................................... MIL-STD-202, Method 215 ................................... No change|Solvent Resistance ............................................... MIL-STD-202, Method 215 ................................... No change|
|Vibration ............................................................... MIL-STD-883C, Method 2007.1, .......................... No change|Vibration ............................................................... MIL-STD-883C, Method 2007.1, .......................... No change|
||Condition A|



## ~~**Test Procedures And Requirements For Model MF-PSMF Series**~~ 

|**Test**<br>**Test Conditions**<br>**Accept/Reject Criteria**|
|---|
|Visual/Mech. ......................................................... Verify dimensions and materials ........................... Per MF physical description|
|Resistance ............................................................ In still air @ 23 °C .................................................. Rmin≤R≤R1max|
|Time to Trip ........................................................... At specifi ed current, Vmax, 23 °C ........................ T≤max. time to trip (seconds)|
|Hold Current ......................................................... 30 min. at Ihold ..................................................... No trip|
|Trip Cycle Life ....................................................... Vmax, Imax, 100 cycles ........................................ No arcing or burning|
|Trip Endurance ..................................................... Vmax, 48 hours ..................................................... No arcing or burning|
|Solderability .......................................................... ANSI/J-STD-002 ................................................... 95 % min. coverage|
|UL File Number .................................................... E174545|



http://www.ul.com/  Follow link to Certifi cations, then UL File No., enter E174545 

## ~~**Thermal Derating Chart - I**~~ **hold** ~~**(Amps)**~~ 

|**Model**<br>eecre|**Ambient Operating Temperature**<br>~~CT~~<br>creesnersneersrsesesGe|**Ambient Operating Temperature**<br>~~CT~~<br>creesnersneersrsesesGe|**Ambient Operating Temperature**<br>~~CT~~<br>creesnersneersrsesesGe|**Ambient Operating Temperature**<br>~~CT~~<br>creesnersneersrsesesGe|**Ambient Operating Temperature**<br>~~CT~~<br>creesnersneersrsesesGe|**Ambient Operating Temperature**<br>~~CT~~<br>creesnersneersrsesesGe|**Ambient Operating Temperature**<br>~~CT~~<br>creesnersneersrsesesGe|**Ambient Operating Temperature**<br>~~CT~~<br>creesnersneersrsesesGe|**Ambient Operating Temperature**<br>~~CT~~<br>creesnersneersrsesesGe|
|---|---|---|---|---|---|---|---|---|---|
||**-40 °C**<br>~~CT~~<br>crees|**-20 °C**<br>~~CT~~<br>es|**0 °C**<br>~~CT~~<br>ners<br>G|**23 °C**<br>~~CT~~<br>neersrs<br>G|**40 °C**<br>~~CT~~<br>rs|**50 °C**<br>~~CT~~<br>eses|**60 °C**<br>~~CT~~<br>esGe<br>GO|**70 °C**<br>~~CT~~<br>Ge<br>GO|**85 °C**<br>~~CT~~|
|MF-PSMF010X<br>eecre<br>~~G~~<br>Po|0.15<br>~~CT~~<br>crees<br>~~G~~|0.13<br>~~CT~~<br>es <br>~~G~~|0.12<br>~~CT~~<br> ners <br>~~G~~<br>G<br>GQ|0.10<br>~~CT~~<br> neersrs<br>~~G~~~~**Q**~~<br>G<br>GQ|0.09<br>~~CT~~<br>rs <br>~~**Q**~~<br>GQ|0.08<br>~~CT~~<br> eses<br>~~**Q**~~<br>GQ|0.07<br>~~CT~~<br>esGe<br>~~**Q**~~<br>GO<br>OQ|0.06<br>~~CT~~<br>Ge<br>~~**Q**~~<br>GO<br>OQ|0.05<br>~~CT~~<br>~~**Q**~~|
|MF-PSMF020X<br>~~G~~<br>~~es~~<br>Po|0.28<br>~~G~~<br>~~es~~|0.25<br>~~G~~<br>~~es~~|0.23<br>~~G~~<br>G<br>~~es~~<br>GQ|0.20<br>~~G~~~~**Q**~~<br>G<br>~~es~~<br>GQ|0.17<br>~~**Q**~~<br>~~es~~<br>GQ|0.14<br>~~**Q**~~<br>~~es~~<br>GQ|0.12<br>~~**Q**~~<br>GO<br>~~es~~<br>OQ|0.10<br>~~**Q**~~<br>GO<br>~~es~~<br>OQ|0.07<br>~~**Q**~~<br>~~es~~|
|MF-PSMF035X<br>~~es~~<br>Po<br>Po|0.47<br>~~es~~|0.44<br>~~es~~|0.39<br>~~es~~<br>GQ|0.35<br>~~es~~<br>GQ|0.30<br>~~es~~<br>GQ|0.27<br>~~es~~<br>GQ|0.24<br>~~es~~<br>OQ|0.20<br>~~es~~<br>OQ|0.14<br>~~es~~|
|MF-PSMF050X<br>Po<br>Po<br>Po|0.68<br>Po|0.62|0.55<br>GQ|0.50<br>GQ|0.40<br>GQ|0.37<br>GQ|0.33<br>OQ|0.29<br>OQ|0.23|
|MF-PSMF075X<br>Po<br>Po|1.00<br>Po|0.90|0.79<br>GG|0.75<br>GG|0.63<br>GG|0.57<br>GG|0.53<br>OG|0.42<br>OG|0.35|
|MF-PSMF110X<br>Po<br>sD|1.45<br>Po<br>sD|1.35<br>sD|1.20<br>sD<br>GG|1.10<br>sD<br>GG|0.92<br>sD<br>GG|0.84<br>sD<br>GG|0.75<br>sD<br>OG|0.65<br>sD<br>OG|0.52<br>sD|



*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex. 

**To be considered halogen free, each homogenous material can have a maximum concentration of 900 ppm of either bromine or chlorine. Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications. 

## **Additional Applications** 

■ Automotive electronic control modules 

## **MF-PSMF Series - PTC Resettable Fuses** 

## ~~**Product Dimensions**~~ 

|**Model**||**A**|**A**||**B**|**B**|||**C**|**C**|||**D**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||Min.|M|ax.|Min.||Max.||Min.||Max.||Min.|
|MF-PSMF010X||2.00<br>(0.079)|2<br>(0.|.30<br>091)|1.20<br>(0.047)||1.50<br>(0.059)||0.48<br>(0.019)||0.85<br>(0.033)||0.20<br>(0.008)|
|MF-PSMF020X||2.00<br>(0.079)|2<br>(0.|.30<br>091)|1.20<br>(0.047)||1.50<br>(0.059)||0.48<br>(0.019)||0.85<br>(0.033)||0.20<br>(0.008)|
|MF-PSMF035X||2.00<br>(0.079)|2<br>(0.|.30<br>091)|1.20<br>(0.047)||1.50<br>(0.059)||0.48<br>(0.019)||0.85<br>(0.033)||0.20<br>(0.008)|
|MF-PSMF050X||2.00<br>(0.079)|2<br>(0.|.30<br>091)|1.20<br>(0.047)||1.50<br>(0.059)||0.48<br>(0.019)||0.85<br>(0.033)||0.20<br>(0.008)|
|MF-PSMF075X||2.00<br>(0.079)|2<br>(0.|.30<br>091)|1.20<br>(0.047)||1.50<br>(0.059)||0.75<br>(0.030)||1.25<br>(0.049)||0.20<br>(0.008)|
|MF-PSMF110X||2.00<br>(0.079)|2<br>(0.|.30<br>091)|1.20<br>(0.047)||1.50<br>(0.059)||0.75<br>(0.030)||1.25<br>(0.049)||0.20<br>(0.008)|



Packaging:  3000 pcs. per reel. 

MM DIMENSIONS: (INCHES) 

**==> picture [333 x 94] intentionally omitted <==**

**----- Start of picture text -----**<br>
Top View Bottom View Side View Recommended Pad Layout<br>A C<br>1.50 ± 0.10<br>4 B (.059 ± .004)<br>D<br>1.00 ± 0.05 1.20 ± 0.10<br>(.039 ± .002) (.047 ± .004)<br>**----- End of picture text -----**<br>


## **Terminal material:** 

Nickel/gold plated. 

**Termination pad solderability:** Standard Au f nish: Meets ANSI/J-STD-002 Category 2. 

**Recommended Storage:** 40 °C max./70 % RH max. 

## ~~**Typical Time to Trip at 23 ˚C**~~ 

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10<br>MF-PSMF020X MF-PSMF035X<br>MF-PSMF050X<br>MF-PSMF075X<br>MF-PSMF110X<br>1<br>MF-PSMF010X<br>0.1<br>0.01<br>0.001<br>0.1 1 10 100<br>Current (Amps)<br>Time to Trip (Seconds)<br>**----- End of picture text -----**<br>


## ~~**How to Order**~~ 

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MF - PSMF 050 X - 2<br>**----- End of picture text -----**<br>


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Multifuse [®]  Product<br>Designator<br>Series<br>PSMF = 0805 Surface Mount<br>Component<br>Hold Current, Ihold<br>010-110 (0.10 - 1.10 Amps)<br>Multifuse [®]  freeXpansion [™]  Design<br>Packaging<br>Packaged per EIA 481-1<br>-2 = Tape and Reel<br>**----- End of picture text -----**<br>


## ~~**Typical Part Marking**~~ 

Represents total content. Layout may vary. 

PART IDENTIFICATION: MF-PSMF010X = 1 MF-PSMF020X = 2 **4** MF-PSMF035X = 3 MF-PSMF050X = 4 MF-PSMF075X = 5 MF-PSMF110X = 6 BIWEEKLY DATE CODE WILL APPEAR ON THE PACKAGING LABEL: WEEK 1 AND 2 = A WEEK 51 AND 52 = Z 

The Time to Trip curves represent typical performance of a device in a simulated application environment. Actual performance in specifi c customer applications may differ from these values due 

Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications. 

## **MF-PSMF Series - PTC Resettable Fuses** 

## ~~**Solder Ref ow Recommendations**~~ 

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Preheating Soldering Cooling<br>300<br>250<br>200<br>150<br>100<br>50<br>0<br>160–220 10–20 120<br>Time (seconds)<br>C)Temperature (°<br>**----- End of picture text -----**<br>


## **Notes:** 

- MF-NSMF models cannot be wave soldered. Please contact Bourns for hand soldering recommendations. 

- If refl ow temperatures exceed the recommended profi le, devices may not meet the performance requirements. 

- Compatible with Pb and Pb-free solder refl ow profi les. 

- Excess solder may cause a short circuit, especially during hand soldering. Please refer to the Multifuse[®] Polymer PTC Soldering Recommendation guidelines. 

MF-PSMF SERIES, REV. M, 05/11 

“freeXpansion Design” is a trademark of Bourns, Inc. Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications.

Updated at February 9, 2023

Bourns, Inc. is a globally recognized manufacturer of high-reliability electronic components, headquartered in Riverside, California. Renowned for its engineering excellence, the company delivers critical solutions across a diverse range of demanding markets, including automotive, industrial, consumer electronics, telecommunications, and medical equipment. The Bourns product portfolio is anchored by an industry-leading selection of passive components and circuit protection devices. The brand is particularly dominant in magnetic components, offering thousands of high-performance power inductors, alongside specialized RF and toroidal inductors engineered for optimized power management and signal integrity. Equally prominent is their comprehensive suite of circuit protection solutions. This robust lineup features a vast array of standard and resettable fuses, transient voltage suppressors (including TVS varistors and diodes), and gas discharge tubes (GDTs) designed to rigorously safeguard sensitive electronics against overvoltage and overcurrent faults. Beyond its core passives and protection technologies, Bourns manufactures highly effective EMC and RFI suppression components, such as common mode chokes and power line filters. The company's offering also extends into discrete semiconductors and power management, including Schottky diodes, fast recovery rectifiers, bridge rectifiers, and board-level transformers. This expansive breadth of quality components provides design engineers with a trusted foundation for developing resilient, efficient, and long-lasting electronic systems.

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