# SMD FUSE, FAST ACT, 3.15A, 350V, 11X5MM

![Product image](https://novapart.co/image/farnell:3776709/)

**URL**: https://novapart.co/products/TR-1145HV3-15-R/smd-fuse-fast-act-315a-350v-11x5mm
**SKU**: TR-1145HV3-15-R
**Manufacturer**: EATON ELECTRONICS
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || SMD Fuses
**Price**: €2.7900
**Stock**: 10+
**Lead Time**: 116 days (indicative)

## Description

Fuse Current:3.15A; Blow Characteristic:Fast Acting; Voltage Rating VAC:350V; Voltage Rating VDC:500V; Fuse Case Style:11mm x 5mm; Product Range:1145HV Series 54AJ3212

## Specifications

| Parameter | Value |
|---|---|
| Fuse Current | 3.15A |
| Product Range | 1145HV Series |
| Fuse Case Style | 11mm x 5mm |
| Voltage Rating Vac | 350V |
| Voltage Rating Vdc | 500V |
| Blow Characteristic | Fast Acting |
| Breaking Capacity Current Ac | 100A |
| Breaking Capacity Current Dc | 100A |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3776709/)

Technical Data **ELX1040** Effective May 2021 

## 1145HVA Automotive high voltage fast-acting brick fuse 

## **Applications** 

Primary and secondary circuit protection: 

- Stationary and on-board electric vehicle battery systems 

- Electric vehicle power distribution units (Sensing lines) 

- xEV powertrains 

- Server & telecom systems, including 380 Vdc distribution 

## **Product features** 

   - Single phase and 3-phase UPS 

   - 380 Vdc DC-DC converters 

- Automotive grade qualified* 

- 11 x 5.0 x 5.0 mm surface mount package 

- High voltage fast-acting brick fuse 

- 500 Vdc voltage rating 

   - High voltage DC-DC conversion 

   - Power factor correction 

   - Capacitor output protection 

- Ceramic tube, silver plated cap construction 

- Moisture sensitivity level (MSL): 1 

- *Meets Eaton’s internal AEC-Q200 test plan 

## **Agency information** 

cURus Recognition file number: E19180, Guide JDYX2 

## **Environmental compliance** 

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HALOGEN<br>HF<br>FREE<br>**----- End of picture text -----**<br>


## **Ordering part number** 

## **TR- 1145HVA 1-25 -R** 

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Packaging code<br>Family code<br>Ampere rating<br>RoHS compliant<br>**----- End of picture text -----**<br>


## **Packaging prefix** 

TR- (1000 parts on a 13” diameter tape and reel) 

1145HVA Automotive high voltage fast-acting brick fuse 

Technical Data ELX1040 Effective May 2021 

## **Electrical characteristics** 

|||**125% In**||**200% In**||**1000% In**|
|---|---|---|---|---|---|---|
|**Amp Rating**||**minimum**||**maximum**||**maximum**|
|1 A ~ 5 A||1 hour||120 seconds||1 second|



## **Product specifications** 

||**Current**<br>**rating**|**Voltage rating**|**Voltage rating**|**Interrupting rating**<br>**@ rated voltage1**|**Interrupting rating**<br>**@ rated voltage1**|**Typical**<br>**resistance2**|**Typical**<br>**voltage drop**|**Typical pre-arcing3**||
|---|---|---|---|---|---|---|---|---|---|
|**Part number**|**(A)**|**(Vac)**|**(Vdc)**|**(A) Vac**|**(A) Vdc**|**(mΩ)**|**(mV)**|**I²t (A2s)**|**Part marking**|
|1145HVA1-R|1|350|500<br>350|100|100 A @ 500 Vdc<br>1500 A @350 Vdc|200|220|0.50|1|
|1145HVA1-25-R|1.25|350|500<br>350|100|100 A @ 500 Vdc<br>1500 A @ 350 Vdc|160|210|0.95|1.25|
|1145HVA1-6-R|1.6|350|500<br>350|100|100 A @ 500 Vdc<br>1500 A @ 350 Vdc|100|190|2.3|1.6|
|1145HVA2-R|2|350|500<br>350|100|100 A @ 500 Vdc<br>1500 A @ 350 Vdc|80|185|4.1|2|
|1145HVA2-5-R|2.5|350|500<br>350|100|100 A @ 500 Vdc<br>1500 A @ 350 Vdc|40|120|2.6|2.5|
|1145HVA3-15-R|3.15|350|500<br>350|100|100 A @ 500 Vdc<br>1500 A @ 350 Vdc|31.5|140|3.3|3.15|
|1145HVA4-R|4|350|450<br>125|100|100 A @ 450 Vdc<br>1500 A @ 125 Vdc|24.5|140|5.5|4|
|1145HVA5-R|5|350|450<br>125|100|100 A @ 450 Vdc<br>1500 A @ 125 Vdc|17.5|130|11.5|5|



1. AC Interrupting Rating (measured at designated voltage, 100% power factor); DC Interrupting Rating (measured at designated voltage, time constant of less than 50 microseconds, battery source) 2.DC Cold Resistance are measured at <10% of rated current in ambient temperature of +25 °C 

3.Typical Pre-arcing I[2] t are measured at 10In Current, DC battery bank 

**Dimensions- mm** Drawing not to scale 

## **Recommended pad layout** 

|iw||||||
|---|---|---|---|---|---|
|**Rating**|**L**||**W**||**H**|
|1 A ~ 5 A|11.2 ± 0.50||2.8 ± 0.50||5.05 ± 0.50|



Recommended trace thickness is 35 um; the minimum trace width is 5 mm Recommended stencil thickness is 0.15 mm 

1145HVA is also compatible with Littelfuse LF885 pad layout; pad size 7.23 mm x 5.26 mm 

2 

www.eaton.com/electronics 

Technical Data ELX1040 Effective May 2021 

1145HVA Automotive high voltage fast-acting brick fuse 

## **General specifications** 

Operating temperature: -55 °C to +125 °C with proper derating factor applied Automotive grade qualified* Temperature cycling: MIL-STD-202 method 107, -55 °C/+125 °C, number of cycles 1000, maximum transfer time 20 seconds, dwell time15 minutes air-air. Humidity bias: MIL-STD-202 method 103, 1000 hours +85 °C/85%RH, 10% of operating power High temperature operating life:  MIL-STD-202 method 108, condition D steady state TA=+125 °C at 50% rated current Mechanical shock: MIL-STD-202 method 213, Figure 1 of Method 213, condition C 100 g,  6 ms Vibration: MIL-STD-202 method 204, 20 g’s for 20 minutes, 12 cycles each of 3 orientations. test from 10-2000 Hz Solderability test: J-STD-002, method B1, steam aging 1 hour, solder temperature +255±5 °C, solder immersion time 5s Board flex: AEC-Q200-005, appendix 2 note: 2 mm (min) Terminal strength (SMD): AEC-Q200-006, appendix 1, force of 1.8 kg for 60 seconds High temperature exposure: MIL-STD-202, method 108, +125 °C without power, 1000 hours ESD: AEC-Q200-002 or ISO/DIS10605, Per AEC-Q200-002 or ISO/DIS10605 

* Meets Eaton’s internal AEC-Q200 test plan 

## **Packaging information - mm** 

1000 parts per 13” diameter reel (EIA-481 compliant) 

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**----- Start of picture text -----**<br>
||||
|---|---|---|
|Dimension|millimeter|
|||
|W|24.00|
|er|——|
|F|11.50|
|E1|1.75|
|E2|N/A|
|a|
|P0|4.00|
|a|
|P1|8.00|
|P2|2.00|
|DO|1.50|
|SS|D1|1.50|
|A0|4.85|
|———|
|B0|12.75|
|K0|4.90|
|a|T|0.40|

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## **Reel dimension- mm** 

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||||
|---|---|---|
|Dimension|millimeter|
|A|330 ± 1|
|TT|B|2.5 ± 0.2|
|C|13.5 ± 0.2|
|ee|
|D|N/A|
|N|100 ± 0.5|
|W1|24.8 ±-0.5|
|W2|30.4 max|
|a|
|—|
|W3|N/A|

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3 

www.eaton.com/electronics 

1145HVA Automotive high voltage fast-acting brick fuse 

Technical Data ELX1040 Effective May 2021 

## **Temperature derating curve** 

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


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Temperature (°C)<br>**----- End of picture text -----**<br>


**Current vs. time curve** 

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Time (seconds)<br>**----- End of picture text -----**<br>


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Current (A)<br>**----- End of picture text -----**<br>


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I [2] t vs. time curve<br>**----- End of picture text -----**<br>


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10<br>|<br>0.1<br>0. 001 0.01 0.1 1 10<br>Time (seconds)<br>s)t (A22I<br>**----- End of picture text -----**<br>


4 

www.eaton.com/electronics 

1145HVA Automotive high voltage fast-acting brick fuse 

Technical Data ELX1040 Effective May 2021 

## **Solder reflow profile** 

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**----- Start of picture text -----**<br>
TP<br>TC -5°C<br>Max. Ramp Up Rate = 3°C/s tP<br>Max. Ramp Down Rate = 6°C/s<br>TL<br>Preheat t |<br>"= A<br>Tsmax<br>Tsmin<br>   ts<br>25°C<br>Time 25°C to Peak  Time<br>Temperature<br>**----- End of picture text -----**<br>


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

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



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

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



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

|**Profile feature**||**Standard SnPb solder**||**Lead (Pb) free solder**|
|---|---|---|---|---|
|Preheat and soak     • Temperature min. (Tsmin)||100 °C||150 °C|
|• Temperature max. (Tsmax)||150 °C||200 °C|
|• Time (Tsmin to Tsmax) (ts)||60-120 seconds||60-120 seconds|
|Ramp up rate TL to 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)*||Table 1||Table 2|
|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 © 2021 Eaton All Rights Reserved Printed in USA Publication No. ELX1040 BU-ELX21040 May 2021 

Follow us on social media to get the Eaton is a registered trademark. latest product and support information. All other trademarks are property of their respective owners. f/¥jinjo 



## Links

- [View this product on Novapart](https://novapart.co/products/TR-1145HV3-15-R/smd-fuse-fast-act-315a-350v-11x5mm)
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- [Supplier page](https://es.farnell.com/eaton-electronics/tr-1145hv3-15-r/smd-fuse-fast-act-3-15a-350v-11x5mm/dp/3776709)
---

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