# Fuse, Surface Mount, 25 A, Very Fast Acting, 125 VAC, 10.6mm x 3.25mm, NANO2 456

![Product image](https://novapart.co/image/farnell:2752672/)

**URL**: https://novapart.co/products/0456025.ER/fuse-surface-mount-25-a-very-fast-acting-125-vac
**SKU**: 0456025.ER
**Manufacturer**: LITTELFUSE
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || SMD Fuses
**Price**: €3.2800
**Stock**: 1000+
**Lead Time**: 71 days (indicative)

## Description

Fuse Current:25A; Product Range:NANO2 456 Series; Voltage Rating VAC:65V; Voltage Rating V DC:32V; Blow Characteristic:Very Fast Acting; Fuse Case Style:SMD; Breaking Capacity Current AC

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |
| Fuse Current | 25A |
| Product Range | NANO2 456 |
| Fuse Case Style | 10.6mm x 3.25mm |
| Voltage Rating Vac | 125VAC |
| Voltage Rating Vdc | - |
| Blow Characteristic | Very Fast Acting |
| Breaking Capacity Current Ac | 100A |
| Breaking Capacity Current Dc | - |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2752672/)

Fuse **Datasheet** 

**456 Series Fuse** Very Fast Acting Fuse 

## **RoHS PSE** LJHF Aus <CeEA 

## **Description** 

The High Current NANO[2®] Fuse is a small square surface mount fuse that is designed to support higher current requirements of various applications. 

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20A, 25A, 30A<br>**----- End of picture text -----**<br>


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40A<br>**----- End of picture text -----**<br>


## **Features** 

- Surface mount high current fuse 

   - Available in ratings of 20 to 40 Amperes 

- Fully compatible with ■ UL Recognized UL/CSA/ lead-free solder alloys and NMX 248-1 and UL/CSA/NMX higher temperature profiles 248-14 associated with lead-free ■ Conforms to IEC/EN 60127-1 assembly and IEC/EN 60127-7 

- RoHS compliant and Halogen Free 

- Conforms to DENAN’s Appendix 3 

## **Additional Information** 

## **Applications** 

- Voltage regulator module for ■ Storage system power PC server 

   - Basestation power supply 

- Cooling fan system for PC 

- server 

**Resources Accessories Samples** 

## **Electrical Characteristics** 

|**% of Ampere Rating**<br>100%|**Opening Time**<br>4 hours, Minimum|
|---|---|
|200%|60 seconds, Maximum|



## **Agency Approvals** 

|**Agency**<br>cA us|**Agency File/Certificate Number**<br>E10480|**Ampere Rating**<br>20A - 40A|
|---|---|---|
|A|J50446929|20A - 40A|
|**PS**<br>**E**<br>Oo|NBK030308-JP1021|20A - 30A|
|@.|29862|20A - 40A|



## **Electrical Specifications** 

|**Ampere**<br>**Rating (A)**<br>20|**Amp Code**<br>020.|**Max**<br>**Voltage**<br>**Rating (V)**<br>125|**Interrupting**<br>**Rating4**<br>100A @125VAC<br>300A @ 65VAC<br>300A @ 100VDC<br>1000A @ 32VDC<br>500A @ 72VDC|**Nominal**<br>**Cold Resistance**<br>**(Ohms)**<br>0.00230|**Nominal**<br>**Melting**<br>**I2t (A2 Sec.)**<br>18|**Nom Voltage**<br>**Drop (mV)**<br>64.7|**Agency Approvals**|**Agency Approvals**|**Agency Approvals**|**Agency Approvals**|
|---|---|---|---|---|---|---|---|---|---|---|
||||||||x<br>Ws|x<br>A|**PS**<br>**E**<br>x<br>©|x<br>@.|
|25|025.|125|100A @ 125VAC<br>300A @ 65VAC<br>500A @ 72VDC<br>1000A @ 32VDC|0.00192|45|68.38|x|x|x|x|
|30|030.|125|100A @ 125VAC<br>300A @ 65VAC<br>1000A @ 32VDC<br>500A @ 72VDC|0.00132|81|69.9|x|x|x|x|
|40|040.|72|180A @ 72VDC<br>600A @ 60VDC|0.00105|191|55|x|x|-|x|



## **Notes:** 

**1.** Cold resistance measured at less than 10% of rated current at 23°C. 

**2.** Agency Approval Table Key: X=Approved or Certified, P=Pending. 

**3.** I[2] t values stated for 1 msec opening time. 

**4.** Interrupting Rating may differ based on Agency Approval.  See Agency Approval certificate for more details. 

© 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 08/24/21 

**1** 

Fuse **Datasheet** 

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## **456 Series Fuse** Very Fast Acting Fuse 

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## **Temperature Re-rating Curve** 

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60<br>40<br>20<br>0 0<br>20<br>40<br>60<br>-60°C -40°C -20°C 0°C 20°C 40°C 60°C 80°C 100°C 120°C 140°C<br>-76°F -40°F -4°F 32°F 68°F 104°F 140°F 176°F 212°F 248°F 264°F<br>AMBIENT TEMPERATURE<br>PERCENT OF UPRATING<br>PERCENT OF DOWNUPRATING<br>**----- End of picture text -----**<br>


## **Note:** 

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1. Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation.<br>**----- End of picture text -----**<br>


## **Average Time Current Curves** 

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1000<br>100<br>10<br>1<br>0.1<br>0.01<br>1  10  100  1000<br>CURRENT IN AMPS<br>20A  25A  30A  40A<br>TIME IN SECONDS<br>**----- End of picture text -----**<br>


## **Soldering Parameters – Reflow Soldering** 

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Reflow Condition Pb – Free assembly<br>- Temperature Min (Ts(min)) 150°C  T P t P<br>Pre Heat - Temperature Max (Ts(max)) 200°C Ramp-up Critical ZoneTL to TP<br>- Time (Min to Max) (ts) 60 – 180 secs T L<br>Average ramp up rate (Liquidus Temp (TL) to peak 5°C/second max. T S(max) t L<br>TS(max) to TL - Ramp-up Rate 5°C/second max.<br>Reflow - Temperature (TL) (Liquidus) 217°C  Preheat Ramp-down<br>- Temperature (tL) 60 – 150 seconds T S(min)<br>Peak Temperature (TP) 260 [+0/–5]  °C t S<br>Time within 5°C of actual peak Temperature (tp) 20 – 40 seconds 25<br>Ramp-down Rate 5°C/second max. time to peak temperature Time<br>(t 25ºC to peak)<br>Time 25°C to peak Temperature (TP) 8 minutes max.<br>Do not exceed 260°C<br>Temperature<br>**----- End of picture text -----**<br>


© 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 08/24/21 

**2** 

Fuse **Datasheet** 

**456 Series Fuse** Very Fast Acting Fuse 

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## **Product Characteristics** 

|**Materials**|Body: Ceramic<br>Cap: Silver Plated Brass|
|---|---|
|**Product Marking**|Body: Brand Logo,Current Rating|
|**Insulation Resistance**|MIL-STD-202, method 302, Test<br>Condition A(10,000 ohms,Minimum)|
|**Solderability**|MIL-STD-202,Method 208|
|**Resistance to Soldering Heat**|MIL-STD-202, Method 210,<br>Test Condition B(10 sec at 260OC)|
|**PCB Recommendation for**<br>**Thermal Management**|Min. copper layer thickness = 100µm<br>Min. copper trace width =20A, 30<br>10mm (20A, 30A) / 15mm (40A)<br>Alternate methods of thermal<br>management may be used. In such<br>cases, under normal operations, the<br>maximum temperature of the fuse<br>body should not exceed 90OC in a<br>25OC environment.|



|**acteristics**||
|---|---|
|**Operating Temperature**|-55OC to 125OC withproper derating|
|**Thermal Shock**|MIL-STD-202, Method 107, Test<br>Condition B<br>(5 cycles -65OC to 125OC)|
|**Vibration**|MIL-STD-202,Method 201(10-55 Hz)|
|**Moisture Sensitivity Level**|J-STD-020,Level 1|
|**Moisture Resistance**|MIL-STD-202 Method 106,<br>High Humidity (90-98%RH), Heat<br>(65OC)|
|**Salt Spray**|MIL-STD-202, Method 101,<br>Test Condition B|
|**Mechanical Shock**|MIL-STD-202, Method 213,<br>Test Condition I (100 G’s peak for 6<br>milliseconds)|



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Dimensions<br>20A, 25A, 30A: 3.05 3.25<br>10.08 [.12”] (.128”)<br>(.397”)<br>F 20 A (.240”)6.10<br>(.12”)3.05 1.70 typ(0.067”) (.496”)12.60 3.43<br>(.135”)<br>Recommended Pad Layout<br>40A:<br>(.492)12.50 (.175”)4.445<br>F 4.445<br>40 A (.175”)<br>2.173<br>2.79 (.086”)<br>(.110”)<br>0.30<br>(.012”) 3.79<br>(.149”)<br>(.225”)5.72 (.222”)5.65 Recommended Pad Layout<br>13.3<br>(.524”)<br>**----- End of picture text -----**<br>


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Part Numbering System<br>0456   020.  E  R<br>Series<br>Amp Code<br>Refer to Electrical<br>characteristics table<br>Quantity code<br>E = 2500 pcs<br>D = 1500 pcs<br>Packaging code<br>R = Tape and Reel<br>**----- End of picture text -----**<br>


## **Packaging** 

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Packaging  Packaging  Quantity &<br>Rating Quantity<br>Option Specification Packaging Code<br>20A, 25A,  24 mm Tape<br>EIA RS-481-2 2500 ER<br>30A and Reel<br>EIA RS-481-2<br>24 mm Tape<br>40A (IEC 286,  1500 DR<br>and Reel<br>part 3)<br>**----- End of picture text -----**<br>


**Disclaimer Notice -** Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation.  Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation.  Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation.  The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications.  Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics. 

© 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 08/24/21 

**3** 



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- [Supplier page](https://es.farnell.com/littelfuse/0456025-er/fuse-smd-25a-very-fast-acting/dp/2752672)
---

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