PTSLR18126V450

PPTC FUSE, 50A, 4.5A, 6VDC, 1812, 2S

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Manufacturer: EATON ELECTRONICS
Product type: Surface Mount PPTCs
PPTC Case Style:1812 (4532 Metric); Product Range:PTSLR1812 Series; Voltage Rating:6VDC; Holding Current:4.5A; Trip Current:9A; Time to Trip:2s; Current Rating Ma 11AJ3488
Time to Trip: 2s
Trip Current: 9A
Product Range: PTSLR1812 Series
Voltage Rating: 6VDC
Holding Current: 4.5A
PPTC Case Style: 1812 (4532 Metric)
Current Rating Max: 50A
Operating Temperature Max: 85°C
Operating Temperature Min: -40°C
Automotive Qualification Standard: -

Delivery and price
Units per pack	500
Price	0.705 €
Current stock	10+
Lead time	30 days

Datasheet

Technical Data **11050** Effective March 2020 

## PTSLR1812 Low resistance SMD PTC fuses 

**HALOGEN Pb HF FREE** 

## **Applications** 

- Data ports 

- Micromotors and fans 

- Low voltage test and measurement 

- Low voltage hand held equipment 

- PC-based medical equipment 

- USB protection 

- Secondary Li-ion battery protection 

- Game consoles, set top boxes 

- Battery charging & charging connections 

## **Agency information** 

## **Product features** 

- Positive temperature coefficient (PTC) 

   - cURus Recognized file no. E343021 

   - TUV: File R 50455924 

- Surface mount resettable fuse 

- Low resistance 

- Compact 1812 (4532 metric) footprint 

- Voltage rating 6 V 

- Current rating from 1.90 A to 5.00 A 

- Fast time-to-trip 

## **Part number system/ordering: PTSLR18126V190** 

- PT= PTC resettable fuse 

- S= Surface mount 

- LR= Low resistance 

- 1812= Dimension code 

- 6V= Maximum voltage 

- 190= Ihold current rating (190= 1.90 A) 

PTSLR1812 Low resistance SMD PTC fuses 

Technical Data 11050 Effective March 2020 

## **Product specifications** 

|||**Vmax1**||**lmax2**||**lhold3**|**ltrip4**||**Pd5**|**Time-to-trip**<br>**(maximum)**|**Time-to-trip**<br>**(maximum)**|**Time-to-trip**<br>**(maximum)**||**Resistance6**||||||**Safety approvals**|**Safety approvals**|**Safety approvals**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|**Part number**||**(Vdc)**||**(A)**||**(A)**|**(A)**||**typical**<br>**(W)**|**(A)**||**(seconds)**||**Initial (Ri)**<br>**minimum (Ω)**||**Post trip (R1)**<br>**maximum (Ω)**||**Part**<br>**marking**||**cU  us**<br>**R**||**TÜV**|
|PTSLR18126V190||6||50||1.90|4.9||1.0|9.5||4.5||0.003||0.025||L190||√||√|
|PTSLR18126V260||6||50||2.60|6.0||1.0|13||2.0||0.003||0.024||L260||√||√|
|PTSLR18126V270||6||50||2.70|6.2||1.0|13||2.0||0.003||0.023||L270||√||√|
|PTSLR18126V300||6||50||3.00|6.2||1.0|8.0||5.0||0.003||0.021||L300||√||√|
|PTSLR18126V350||6||50||3.50|8.1||1.0|8.0||5.0||0.003||0.020||L350||√||√|
|PTSLR18126V370||6||50||3.70|9.1||1.0|18.5||2.0||0.003||0.018||L370||√||√|
|PTSLR18126V400||6||50||4.00|8.0||1.0|20||2.0||0.003||0.017||L400||√||√|
|PTSLR18126V450||6||50||4.50|9.0||1.0|22.5||2.0||0.001||0.014||L450||√||√|
|PTSLR18126V500||6||50||5.00|10||1.0|25||2.0||0.001||0.013||L500||√||√|



1. Vmax: Maximum continuous voltage the device can withstand without damage at rated current 

2. Imax: Maximum fault current the device can withstand without damage at rated voltage 

3. Ihold: Maximum current the device will pass without interruption at +23 °C still air unless otherwise specified 

   5. Pd: Power dissipated from the device when in tripped state at +23 °C still air, unless otherwise specified 

   6. Ri: Minimum resistance of the device prior to tripping at +23 °C R1: Maximum resistance of the device one hour after tripping at +23 °C 

4. Itrip: Minimum current that will transition the device from low resistance to high resistance at +23 °C still air, unless otherwise specified 

## **Dimensions–mm** 

## **Recommended pad layout** 

|**A min**|**A max**||**B min**||**B max**||**C min**||**C max**||**D min**||**D max**||**E max**||**E max**||**F**|**G**||**H**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|4.37|4.73||3.07||3.41||0.40*||0.70*||0.20||1.20||0.15||0.65||3.45|1.78||3.50|
||||||||0.60**||1.2**||||||||||||||



- PTSLR18126V190, PTSLR18126V260, PTSLR18126V270, PTSLR18126V300, PTSLR18126V350, PTSLR18126V370, PTSLR18126V400 

- **  PTSLR18126V450, PTSLR18126V500 

## **Thermal derating curve** 

2 

www.eaton.com/electronics 

Technical Data 11050 Effective March 2020 

PTSLR1812 Low resistance SMD PTC fuses 

## **General specifications** 

**==> picture [256 x 159] intentionally omitted <==**

**----- Start of picture text -----**<br>
||||||
|---|---|---|---|---|
|Operating temperature: -40 °C to +85 °C (with derating)|
|Storage temperature: -10 °C to +40 °C|
|Storage relative humidity: ≤75%|
|Storage conditon: Keep away form corrosive atmosphere and sunlight|
|Passive aging: IEC60738-1, +85 °C, 1000 hours|
|Humidity aging: +85 °C, 80 to 85% relative humidity, 100 hours|
|Rapid change of temperature: IEC60738-1, +85 °C to -40 °C, 20 cycles, 30 minutes each|
|Overload endurance: UL1434, Vmax, 120% Imax, 50 cycles|
|Vmax, 300% Itrip, 6000 cycles|
|Trip endurance: UL1434, Vmax, Itrip|[~]|I|[~ ]|Imax, 1000 hours|
|Solderability: IEC60068-2-58, +245 °C, 3 seconds|
|Moisture sensitivity test: J-STD-020, MSL=2a|

**----- End of picture text -----**<br>


## **Packaging information** 

Supplied in tape and reel packaging, 2000 parts per 7.0” (178 mm) diameter reel PTSLR18126V190, PTSLR18126V260, PTSLR18126V270, PTSLR18126V300, PTSLR18126V350, PTSLR18126V370, PTSLR18126V400 

Supplied in tape and reel packaging, 1000 parts per 7.0” (178 mm) diameter reel PTSLR18126V450, PTSLR18126V500 

## **Taping specification** 

PTSLR18126V190, PTSLR18126V260, PTSLR18126V270, PTSLR18126V300, PTSLR18126V350, PTSLR18126V370, PTSLR18126V400 

**==> picture [444 x 80] intentionally omitted <==**

**----- Start of picture text -----**<br>
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|A0|B0|K0|P0|P1|P2|T|E|F|D0|D1|W|10P0|
|± 0.10|± 0.10|± 0.05|± 0.10|± 0.10|± 0.10|± 0.03|± 0.10|± 0.10|± 0.05|min|± 0.30|± 0.20|
|3.50|5.00|0.90|4.0|8.0|2.0|0.25|1.75|5.50|1.55|1.50|12|40|
|PTSLR18126V450, PTSLR18126V500|
|A0|B0|K0|P0|P1|P2|T|E|F|D0|D1|W|10P0|
|± 0.10|± 0.10|± 0.05|± 0.10|± 0.10|± 0.10|± 0.05|± 0.10|± 0.10|± 0.05|min|± 0.30|± 0.20|
|3.56|4.94|1.70|4|8|2|0.25|1.75|5.50|1.55|1.50|12|40|

**----- End of picture text -----**<br>


PTSLR18126V450, PTSLR18126V500 

3 

www.eaton.com/electronics 

PTSLR1812 Low resistance SMD PTC fuses 

Technical Data 11050 Effective March 2020 

## **Wave solder profile** 

|**Reference EN 61760-1:2006**<br>**Profile feature**<br>**Temperature**<br>Tsmin<br>Tsmax<br>Tstyp<br>Tp|tp<br>First Wave<br>Second Wave<br>Preheat area<br>Cool down area|tp<br>First Wave<br>Second Wave<br>Preheat area<br>Cool down area|
|---|---|---|
||**Time**||
|Preheat                    • Temperature min. (Tsmin)||100 °C<br>100 °C|
|• Temperature typ. (Tstyp)||120 °C<br>120 °C|
|• Temperature max. (Tsmax)||130 °C<br>130 °C|
|• Time (Tsminto Tsmax) (ts)||70 seconds<br>70 seconds|
|D preheat tomax Temperature||150 °C max.<br>150 °C max.|
|Peak temperature (TP)*||235 °C – 260 °C<br>250 °C – 260 °C|
|Time at peak temperature (tp)||10 seconds max<br>5 seconds max each wave<br>10 seconds max<br>5 seconds max each wave|
|Ramp-down rate||~ 2 K/s min<br>~3.5 K/s typ<br>~5 K/s max<br>~ 2 K/s min<br>~3.5 K/s typ<br>~5 K/s max|
|Time 25°C to 25°C||4 minutes<br>4 minutes|



## **Manual solder** 

+350 °C (4-5 seconds by soldering iron), generally manual/hand soldering is not recommended 

4 

www.eaton.com/electronics 

Technical Data 11050 Effective March 2020 

PTSLR1812 Low resistance SMD PTC fuses 

## **Solder reflow profile** 

## **Table 1 - Standard SnPb solder (Tc)** 

|||**Volume**||**Volume**|
|---|---|---|---|---|
|**Package**||**mm3**||**mm3**|
|**thickness**||**<350**||**≥350**|
|<2.5 mm)||235 °C||220 °C|
|≥2.5 mm||220 °C||220 °C|



## **Table 2 - Lead (Pb) free solder (Tc)** 

|**Volume**<br>**Volume**<br>**Volume**|
|---|
|**Package**<br>**mm3**<br>**mm3**<br>**mm3**|
|**thickness**<br>**<350**<br>**350 - 2000**<br>**>2000**<br><1.6 mm<br>260 °C<br>260 °C<br>260 °C<br>1.6 – 2.5 mm<br>260 °C<br>250 °C<br>245 °C<br>~~ee~~<br>~~ee~~|
|~~ee~~|
|>2.5 mm<br>250 °C<br>245 °C<br>245 °C<br>~~a~~|



## **Reference J-STD-020** 

|**Profile feature**<br>~~Oe ~~|**Standard SnPb solder**<br>**Lead (Pb) free solder**<br> ~~eee]~~|**Standard SnPb solder**<br>**Lead (Pb) free solder**<br> ~~eee]~~|**Standard SnPb solder**<br>**Lead (Pb) free solder**<br> ~~eee]~~|**Standard SnPb solder**<br>**Lead (Pb) free solder**<br> ~~eee]~~|**Standard SnPb solder**<br>**Lead (Pb) free solder**<br> ~~eee]~~|
|---|---|---|---|---|---|
|Preheat and soak     • Temperature min. (Tsmin)|||100 °C||150 °C|
|• Temperature max. (Tsmax)|||150 °C||200 °C|
|• Time (Tsminto Tsmax) (ts)|||60-120 seconds||60-120 seconds|
|Ramp up rate TLto Tp|||3 °C/ second max.||3 °C/ second max.|
|Liquidous temperature (Tl)|||183 °C||217 °C|
|Time (tL) maintained above TL|||60-150 seconds||60-150 seconds|
|Peak package body temperature (TP)*|||235 °C||260 °C|
|Time (tp)* within 5 °C of the specified classification temperature (Tc)|||20 seconds*||30 seconds*|
|Ramp-down rate (Tpto TL)|||6 °C/ second max.||6 °C/ second max.|
|Time 25 °C to peak temperature|||6 minutes max.||8 minutes max.|



* Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum. 

Life Support Policy: Eaton does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 

Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. 

**Eaton Electronics Division** 1000 Eaton Boulevard Cleveland, OH 44122 United States Eaton.com/electronics © 2020 Eaton All Rights Reserved Printed in USA Publication No. 11050 BU-MC20027 March 2020 

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Updated at April 15, 2026

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