MF-NSML350/12-2

## **Applications** 

## **Features** 

- n Thermal protection for Li-ion & polymer battery packs 

n Surface mount packaging for automated assembly 

n Small footprint size (1206) and low profile for space-constrained mobile applications 

n Power delivery port protection n USB port protection 

n Ultra-low resistance 

n PC motherboards - Plug & Play protection n Mobile phones - Battery & charging protection 

n Utilizes innovative freeXpansion[™] design n Mobile phones - Battery & charging n RoHS compliant* and halogen free** protection n Agency recognition: AL & n Game console port protection 

## BOURNS ~~AA~~ **[MF-NSML/X Series - Low Ohmic PTC Resettable Fuses]** 

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

**==> picture [505 x 170] intentionally omitted <==**

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|||||||||||
|---|---|---|---|---|---|---|---|---|---|
|Max. Time|Tripped|
|V max.|I max.|Ihold|Itrip|Resistance|To Trip|DissiPower pation|
|Model|
|Volts|Amps|Amperes|Ohms|Amperes|Seconds|Watts|
|at 23 °C|at 23 °C|at 23 °C|at 23 °C|at 23 °C|
|Hold|Trip|RMin.|R1Max.|Typ.|
|MF-NSML150/12|12|50|1.50|3.00|0.010|0.065|8.00|5.00|1.00|
|Rs|Ge|QQ|CO|
|MF-NSML175/12|12|50|1.75|3.50|0.006|0.050|8.00|5.00|1.00|
|Rs|Ge|QQ|CO|
|MF-NSML200/12|12|50|2.00|4.00|0.005|0.040|8.00|5.00|1.00|
|Rs|Ge|QQ|CO|
|MF-NSML260/12|12|50|2.60|5.20|0.004|0.030|8.00|5.00|1.00|
|Rs|Ge|QQ|CO|
|MF-NSML300/12|12|50|3.00|6.00|0.003|0.024|8.00|5.00|1.00|
|Rs|Ge|QQ|CO|
|MF-NSML350/12|12|50|3.50|7.00|0.002|0.022|8.00|5.00|1.00|
|Rs|Ge|QQ|CO|
|MF-NSML380/12|12|50|3.80|7.60|0.002|0.020|8.00|5.00|1.00|
|Rs|Ge|QQ|CO|
|MF-NSML400/12|12|50|4.00|8.00|0.002|0.018|10.0|5.00|1.00|
|Rs|Ge|QQ|CO|
|MF-NSML450/12|12|50|4.50|9.00|0.002|0.014|22.5|2.00|1.00|
|rs|Ge|fs(GO|

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

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|||
|---|---|
|Operating Temperature ......................................... -40 °C to +85 °C|
|Storage Condition|
|Before Opening ............................................... +40 °C max. / 70 % RH max.|
|After Opening................................................... +40 °C max. / 10 % RH max.|
|Floor Condition After Opening .............................. Consumption within 4 weeks at floor condition +30 °C max. / 60 % RH max.|
|Passive Aging ....................................................... +85 °C, 1000 hours ............................................... ±10 % typical resistance change|
|Humidity Aging...................................................... +85 °C, 85 % R.H. 100 hours ............................... ±15 % typical resistance change|
|Thermal Shock ..................................................... +85 °C to -40 °C, 20 times .................................... ±30 % typical resistance change|
|Solvent Resistance ............................................... MIL-STD-202, Method 215 ................................... No change (marking still legible)|
|Vibration ............................................................... MIL-STD-883C, Method 2007.1, ........................... No change (Rmin<R<R1max)|
|Condition A|
|Moisture Sensitivity Level (MSL) ..........................|See Note|
|ESD Classification - HBM ..................................... 6|

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## ~~**Test Procedures and Requirements**~~ 

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||||
|---|---|---|
|Test|Test Conditions|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 specified 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 .......................................................... 245 °C ±5 °C, 5 seconds ...................................... 95 % min. coverage|
|cUL File Number ................................................... E174545|
|R 50391579|
|TÜV Certificate Number .......................................|

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## **WARNING  Cancer and Reproductive Harm -** www.P65Warnings.ca.gov 

> *   RoHS Directive 2015/863, Mar 31, 2015 and Annex. 

> ** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. Specifications are subject to change without notice. 

Users should verify actual device performance in their specific applications. 

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

## **MF-NSML/X Series - Low Ohmic PTC Resettable Fuses MF-NSMF Series - PTC Resettable Fuses** 

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

|**Model**||**A**|**A**|||**B**|**B**|||**C**|**C**||**D**||**E**|**E**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||Min.||Max.||Min.||Max.||Min.|Max.||Min.||Min.|Max.|
|MF-NSML150/12<br>MF-NSML175/12<br>MF-NSML200/12||3.00<br>(0.118)||3.50<br>(0.138)||1.40<br>(0.055)||1.80<br>(0.071)||0.40<br>(0.016)|0.70<br>(0.028)||0.25<br>(0.010)||0.05<br>(0.002)|0.45<br>(0.018)|
|MF-NSML260/12||3.00<br>(0.118)||3.50<br>(0.138)||1.40<br>(0.055)||1.80<br>(0.071)||0.40<br>(0.016)|1.00<br>(0.039)||0.25<br>(0.010)||0.05<br>(0.002)|0.45<br>(0.018)|
|MF-NSML300/12<br>MF-NSML350/12||3.00<br>(0.118)||3.50<br>(0.138)||1.40<br>(0.055)||1.80<br>(0.071)||0.40<br>(0.016)|1.40<br>(0.055)||0.25<br>(0.010)||0.05<br>(0.002)|0.45<br>(0.018)|
|MF-NSML380/12<br>MF-NSML400/12<br>MF-NSML450/12||3.00<br>(0.118)||3.50<br>(0.138)||1.40<br>(0.055)||1.80<br>(0.071)||0.60<br>(0.024)|1.40<br>(0.055)||0.25<br>(0.010)||0.05<br>(0.002)|0.45<br>(0.018)|



MM DIMENSIONS: (INCHES) 

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Top View Side View Bottom View Recommended Pad Layout<br>A C D E<br>1.0 ± 0.05 1.0 ± 0.05<br>(.039 ± .002) (.039 ± .002)<br>Terminal material:<br>B ENIG-plated terminals 1.6 ± 0.1<br>(.063  ± .004)<br>2.0 ± 0.1<br>(.079 ± .004)<br>**----- End of picture text -----**<br>


## ~~**Packaging Quantity**~~ 

MF-NSML150/12~MF-NSML260/12 = 5000 pcs. per reel MF-NSML300/12~MF-NSML450/12 = 3500 pcs. per reel 

## ~~**Thermal Derating Table - Ihold (Amps)**~~ 

|**Model**|**Ambient Operating Temperature**|**Ambient Operating Temperature**|**Ambient Operating Temperature**|**Ambient Operating Temperature**|**Ambient Operating Temperature**|**Ambient Operating Temperature**|**Ambient Operating Temperature**|**Ambient Operating Temperature**|**Ambient Operating Temperature**|
|---|---|---|---|---|---|---|---|---|---|
||**-40 °C**|**-20 °C**|**0 °C**|**23 °C**|**40 °C**|**50 °C**|**60 °C**|**70 °C**|**85 °C**|
|MF-NSML150/12|2.20|2.00|1.77|1.50|1.28|1.15|1.07|0.85|0.70|
|MF-NSML175/12|2.57|2.33|2.07|1.75|1.49|1.34|1.24|1.00|0.80|
|MF-NSML200/12|2.94|2.65|2.35|2.00|1.70|1.53|1.42|1.14|0.93|
|MF-NSML260/12|3.82|3.46|3.07|2.60|2.21|1.95|1.85|1.48|1.20|
|MF-NSML300/12|4.41|3.99|3.54|3.00|2.55|2.32|2.13|1.71|1.38|
|MF-NSML350/12|5.25|4.66|4.13|3.50|2.98|2.71|2.49|2.00|1.65|
|MF-NSML380/12|5.59|5.05|4.48|3.80|3.23|2.95|2.60|2.15|1.75|
|MF-NSML400/12|5.80|5.25|4.65|4.00|3.40|3.10|2.65|2.20|1.80|
|MF-NSML450/12|6.10|5.40|4.70|4.50|3.60|3.15|2.70|2.25|1.85|



Specifications are subject to change without notice. 

Users should verify actual device performance in their specific applications. 

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

## **3312 - 2 mm SMD Trimming PotentiometerMF-NSML/X Series - Low Ohmic PTC Resettable Fuses** 

## ~~**Solder Refow Recommendations**~~ 

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tp<br>TP CRITICAL ZONE<br>RAMP-UP TL TO TP<br>TL<br>t L<br>TS MAX.<br>RAMP-DOWN<br>TS MIN.<br>ts<br>PREHEAT<br>25<br>t  25 *C TO PEAK<br>Temperature<br>**----- End of picture text -----**<br>


## **Notes:** 

- MF-NSML/X models cannot be wave soldered or hand soldered. Please contact Bourns for soldering recommendations. 

- All temperatures refer to topside of the package, measured on the package body surface. 

- If reflow temperatures exceed the recommended profile, devices may not meet the published specifications. 

- • Compatible with Pb and Pb-free solder reflow profiles. 

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

- Designed for single solder reflow operations. 

## **Time** 

|**Time**||
|---|---|
|**Profle Feature**|**Pb-Free Assembly**|
|Average Ramp-Up Rate (Tsmaxto Tp)<br>3|°C / second max.|
|PREHEAT:<br>Temperature Min. (Tsmin)<br>Temperature Max. (Tsmax)<br>Time (Tsminto Tsmax) (ts)<br>1<br>2<br>6|50 °C<br>00 °C<br>0~180 seconds|
|TIME MAINTAINED ABOVE:<br>Temperature (TL)<br>Time (tL)<br>2<br>6|17 °C<br>0~150 seconds|
|Peak Temperature (Tp)<br>2|60 °C|
|Time within 5 °C of Actual Peak Temperature (tp)<br>2|0~40 seconds|
|Ramp-Down Rate<br>6|°C / second max.|
|Time 25 °C to Peak Temperature<br>8|minutes max.|



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

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

**MF - NSML 380 / 12 - 2** Represents total content. Layout may vary. Multifuse[®] Product PART IDENTIFICATION: Designator MF-NSML150/12 = G12 MF-NSML175/12 = H12 Series MF-NSML200/12 = J12 NSML = 1206 Low Ohmic MF-NSML260/12 = N12 Surface Mount Component MF-NSML300/12 = P12 Hold Current, Ihold **V12** MF-NSML350/12 = S12 150 - 450 (1.50 Amps - 4.50 Amps) MF-NSML380/12 = V12 MF-NSML400/12 = U12 Maximum Voltage, Vmax MF-NSML450/12 = X12 12 = 12 Volts Packaging MANUFACTURING DATE CODE IS -2 = Tape and Reel LOCATED ON PACKING LABEL. Packaged per EIA 481 

Represents total content. Layout may vary. 

**Asia-Pacific:** Tel: +886-2 2562-4117 Email: asiacus@bourns.com 

**Europe:** 

Tel: +36 88 520 390 Email: eurocus@bourns.com 

**The Americas:** 

Tel: +1-951 781-5500 Email: americus@bourns.com **www.bourns.com** 

Specifications are subject to change without notice. 

MF-NSML/X SERIES, REV. A, 01/19 

Users should verify actual device performance in their specific applications. 

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

## **[MF-NSML/X Series Tape and Reel Specifications]** 

|**Tape Dimensions**|**Tape Dimensions**|**Tape Dimensions**|**Tape Dimensions**|**Tape Dimensions**|**Tape Dimensions**|**Tape Dimensions**|**Tape Dimensions**|**Tape Dimensions**|**Tape Dimensions**|**Tape Dimensions**|**Tape Dimensions**|**Tape Dimensions**|||||||**MF-NSML/X Series**<br>**per EIA 481**|**MF-NSML/X Series**<br>**per EIA 481**|**MF-NSML/X Series**<br>**per EIA 481**|**MF-NSML/X Series**<br>**per EIA 481**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|W||||||||||||||||||||12.0 ± 0.30<br>(0.472 ± 0.012)|||
|P0||||||||||||||||||||4.0 ± 0.10<br>(0.157 ± 0.004)|||
|P1||||||||||||||||||||4.0 ± 0.10<br>(0.157 ± 0.004)|||
|P2||||||||||||||||||||2.0 ± 0.05<br>(0.079 ± 0.002)|||
|A0||||||||||||||||||||1.90 ± 0.10<br>(0.075 ± 0.004)|||
|B0||||||||||||||||||||3.50 ± 0.10<br>(0.138 ± 0.004)|||
|B1 max.|||||||||||||||||||||4.5<br>(0.177)||
|D0||||||||||||||||||||1.5 + 0.10/-0.0<br>(0.059 + 0.004/-0)|||
|F||||||||||||||||||||5.5 ± 0.05<br>(0.216 + 0.002)|||
|E1||||||||||||||||||||1.75 ± 0.10<br>(0.069 ± 0.004)|||
|E2 typ.|||||||||||||||||||||10.25<br>(0.404)||
|T max.|||||||||||||||||||||0.6<br>(0.024)||
|T1 max.|||||||||||||||||||||0.1<br>(0.004)||
|K0 (MF-NSML150/12~MF-NSML260/12)||||||||||||||||||||0.65 ± 0.10<br>(0.026 ± 0.004)|||
|K0 (MF-NSML300/12~MF-NSML450/12)||||||||||||||||||||1.10 ± 0.10<br>(0.043 ± 0.004)|||
|Leader min.|||||||||||||||||||||390<br>(15.35)||
|Trailer min.|||||||||||||||||||||160<br>(6.30)||
|**Reel Dimensions**|||||||||||||||||||||||
|A max.|||||||||||||||||||||185<br>(7.283)||
|N min.|||||||||||||||||||||50<br>(1.97)||
|W1||||||||||||||||||||12.4 + 1/-0<br>(0.488 + 0.039/-0)|||
|W2 ma|||x.||||||||||||||||||15.4<br>(0.606)||
|B1|||||||||||||||||B0<br>F<br>E2<br>E1<br>W|A||N(HUB DIA.)<br>(MEASURED<br>AT HUB)<br>W2<br>(MEASURED<br>AT HUB)<br>W1<br>DIMENSIONS:<br>MM<br>(INCHES)|||
||||T<br>COVER<br>TAPE<br>K0<br>T1<br>D0|||||P2<br>P0|||||||||E1||||||
||||||||||||||||||||||||
||||||||||||||||||||||||
||||||||||||||||||||||||
||B1||||||||||||||||||||||
||||||||||||||||||||||||
||||||||||||||||||||||||
||||||A0||P1||||||||||||||||
||||||||||||||||||||||||



Specifications are subject to change without notice. 

Users should verify actual device performance in their specific applications. 

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

## **3312 - 2 mm SMD Trimming PotentiometerBourns[®] Multifuse[®] PPTC Resettable Fuses** 

## ~~**Application Notice**~~ 

- Users are responsible for independent and adequate evaluation of Bourns[®] Multifuse[®] Polymer PTC devices in the user’s application, including the PPTC device characteristics stated in the applicable data sheet. 

- Polymer PTC devices must not be allowed to operate beyond their stated maximum ratings. Operation in excess of such maximum ratings could result in damage to the PTC device and possibly lead to electrical arcing and/or fire. Circuits with inductance may generate a voltage above the rated voltage of the polymer PTC device and should be thoroughly evaluated within the user’s application during the PTC selection and qualification process. 

- Polymer PTC devices are intended to protect against adverse effects of temporary overcurrent or overtemperature conditions up to rated limits and are not intended to serve as protective devices where overcurrent or overvoltage conditions are expected to be repetitive or prolonged. 

- In normal operation, polymer PTC devices experience thermal expansion under fault conditions. Thus, a polymer PTC device must be protected against mechanical stress, and must be given adequate clearance within the user’s application to accommodate such thermal expansion. Rigid potting materials or fixed housings or coverings that do not provide adequate clearance should be thoroughly examined and tested by the user, as they may result in the malfunction of polymer PTC devices if the thermal expansion is inhibited. 

- Exposure to lubricants, silicon-based oils, solvents, gels, electrolytes, acids, and other related or similar materials may adversely affect the performance of polymer PTC devices. 

- Aggressive solvents may adversely affect the performance of polymer PTC devices. Conformal coating, encapsulating, potting, molding, and sealing materials may contain aggressive solvents including but not limited to xylene and toluene, which are known to cause adverse effects on the performance of polymer PTCs. Such aggressive solvents must be thoroughly cured or baked to ensure their complete removal from polymer PTCs to minimize the possible adverse effect on the device. 

- Recommended storage conditions should be followed at all times. Such conditions can be found on the applicable data sheet and on the Multifuse[®] Polymer PTC Moisture/Reflow Sensitivity Classification (MSL) note: - 

- https://www.bourns.com/docs/RoHS MSL/msl_mf.pdf 

_MFAN 12/18_ Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

## **Legal Disclaimer Notice** 

This legal disclaimer applies to purchasers and users of Bourns[®] products manufactured by or on behalf of Bourns, Inc. and 

Unless otherwise expressly indicated in writing, Bourns[®] products and data sheets relating thereto are subject to change without notice. Users should check for and obtain the latest relevant information and verify that such information is and complete before placing orders for Bourns[®] products. 

The characteristics and parameters of a Bourns[®] product set forth in its data sheet are based on laboratory conditions, and statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical requirements in generic applications.  The characteristics and parameters of a Bourns[®] product in a user application may 

® product with other components ® 

the actual performance of the Bourns[®] 

Unless Bourns has explicitly designated an individual Bourns ® product as meeting the requirements of a particular industry standard (e.g., ISO/TS 16949) or a particular qualification (e.g., UL listed or recognized), Bourns is not responsible for any failure of an individual Bourns ® product to meet the requirements of such industry standard or particular qualification. Users of Bourns[®] products are responsible for ensuring compliance with safety-related requirements and standards applicable to 

Bourns[®] 

on a case-by-case basis, use of any Bourns[®] 

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- ® 

Bourns[®] 

® standard products that are suitable for use in aircraft “Applications.” Unless expressly and specifically ® standard 

the user’s sole risk. 

and the user for which such Bourns[®] custom and the user regarding the use and level of also apply to such Bourns[®] custom products. 

® custom products shall be negotiated on a case-by-case basis by Bourns are specially designed. Absent a written agreement between Bourns testing, the above provisions applicable to Bourns ® standard products shall 

Users shall not sell, transfer, export or re-export any Bourns[®] 

Bourns[®] 

regulations. Further, Bourns ® products and Bourns technology and technical data may not under any circumstance be exported or re-exported to countries subject to international sanctions or embargoes.  Bourns[®] products may not, without 

_bilingual versions are available at: Web Page: http://www.bourns.com/legal/disclaimers-terms-and-policies PDF: http://www.bourns.com/docs/Legal/disclaimer.pdf_