# Fuse, Cartridge, Slow Blow, 400 mA, 250 V, 5mm x 20mm, 0.2" x 0.79", Slo-Blo 239 Series

![Product image](https://novapart.co/image/farnell:1596634/)

**URL**: https://novapart.co/products/0239.400MXP/fuse-cartridge-slow-blow-400-ma-250-v-5mm-x-20mm
**SKU**: 0239.400MXP
**Manufacturer**: LITTELFUSE
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || Cartridge Fuses
**Price**: €0.4690
**Stock**: 1000+
**Lead Time**: 113 days (indicative)

## Description

Blow Characteristic:Slow Blow; Fuse Current:400mA; Voltage Rating VAC:250V; Fuse Size Metric:5mm x 20mm; Fuse Size Imperial:-; Product Range:239 Series; Breaking Capacity Current AC

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2020) |
| Fuse Current | 400mA |
| Product Range | Slo-Blo 239 Series |
| Fuse Size Metric | 5mm x 20mm |
| Fuse Size Imperial | 0.2" x 0.79" |
| Voltage Rating Vac | 250V |
| Blow Characteristic | Slow Blow |
| Breaking Capacity Current Ac | 35A |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:1596634/)

**Axial Lead & Cartridge Fuses** 5×20 mm > Time Lag > 239 Series 

**PS E** ~~@ ® E<Oe~~ 

## 239 Series, 5×20 mm, Slo-Blo[®] Fuse 

## **Description** ~~Fo~~ 

5×20mm time-Lag  glass body cartridge fuse designed to UL specification. 

## ~~**Features**~~ 

- Desinged to UL/CSA/ • RoHS compliant and ANCE 248 Standard lead-free 

- • Available in cartridge and axial lead format 

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Agency Approvals<br>Applications<br>Pe EE<br>Agency Agency File Number Ampere Range<br>Used as supplementary protection in appliance or<br>Cartridge Certificates: utilization equipment to provide individual protection for<br>   NBK030609-JP1021A 1A – 3.5A<br>components or internal circuits.<br>   NBK190609-JP1021A 4A – 5A<br>PS    NBK030609-JP1021B 7A<br>E Leaded Certificates:<br>   NBK030609-JP1021C 1A – 3.5A Electrical Characteristics for Series<br>a    NBK190609-JP1021B 4A – 5A PO<br>   NBK030609-JP1021D 7A % of Ampere  Ampere<br>Certificates: Rating Ratings Opening Time<br>   SU05001 – 2004A 200mA – 3.15A<br>[@    SU05001 – 2014A 4A – 7A 100% 4 hours, Minimum<br>Listed File: 135% All Ratings 1 hour, Maximum<br>   E10480<br>@) Guide: 80mA – 7A 200% 5 seconds., Min; 2 min., Max<br>   JDYX<br>File:<br>   029862 200mA – 3.15A<br>Additional Information<br>G. Certificates Class: 4A – 7A LC<br>   LR1422-01<br>80mA – 7A<br>**----- End of picture text -----**<br>


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Datasheet Resources Samples<br>**----- End of picture text -----**<br>


© 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/26/13 

**Axial Lead & Cartridge Fuses** 5×20 mm > Time Lag > 239 Series 

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~~**Electrical Characteristic Specifcation by Item**~~ 

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Agency Approvals<br>Voltage  Nominal Cold  Nominal<br>Amp Rating Interrupting<br>Amp Code Rating  Resistance  Melting<br>(A) (V) Rating (Ohms) I [2] t (A [2]  sec) PSE<br>.080 0.08 250 28.1750 0.02500 x x<br>.100 0.1 250 17.3425 0.05500 x x<br>35A @ 250 VAC<br>.125 0.125 250 11.6000 0.08500 x x<br>.150 0.15 250 8.1000 0.13000 x x<br>.200 0.2 250 3.8725 0.16500 x x x x<br>.250 0.25 250 3.0700 0.34000 x x x x<br>.300 0.3 250 2.3000 0.61500 x x x x<br>.400 0.4 250 1.4750 1.49000 x x x x<br>.500 0.5 250 35A @ 250 VAC 0.9090 1.98500 x x x x<br>.600 0.6 250 10000A @ 125 VAC 0.6990 2.41500 x x x x<br>.700 0.7 250 0.5375 4.12000 x x x x<br>.750 0.75 250 0.4710 5.42500 x x x x<br>.800 0.8 250 0.4155 7.56500 x x x x<br>001. 1 250 0.2965 11.29500 x x x x x<br>1.25 1.25 250 0.1980 19.52500 x x x x x<br>01.6 1.6 250 0.1205 30.43000 x x x x x<br>002. 2 250 0.0943 50.58500 x x x x x<br>02.5 2.5 250 10000A @ 125 VAC 0.0583 79.70500 x x x x x<br>003. 3 250 100A @ 250 VAC 0.04877 129.51000 x x x x x<br>3.15 3.15 250 0.0414 128.05000 x x x x x<br>03.2 3.2 250 0.0385 128.05000 x x x<br>03.5 3.5 250 0.0370 128.05000 x x x<br>004. 4 125 0.0312 270.703 x x x x x<br>005. 5 125 10000A @ 125 VAC 0.0199 302.836 x x x x x<br>007. 7 125 0.0114 305.758 x x x x x<br>**----- End of picture text -----**<br>


© 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/26/13 

**Axial Lead & Cartridge Fuses** 5×20 mm > Time Lag > 239 Series 

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Temperature Rerating Curve<br>**----- End of picture text -----**<br>


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Average Time Current Curves<br>**----- End of picture text -----**<br>


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10000<br>1000<br>100<br>10<br>1<br>0.1<br>0.01<br>0.001<br>0.1 1 10 100 1000<br>CURRENT IN AMPERES<br>0.200A 0.250A 0.300A 0.400A 0.500A 0.600A 0.700A 0.750A 0.800A 1A 1.25A 1.6A  2A  2.5A  3A 3.15A  4A 5A  7A<br>TIME IN SECONDS<br>**----- End of picture text -----**<br>


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## ~~**Soldering Parameters - Wave Soldering**~~ 

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300<br>280<br>260<br>240<br>220<br>200<br>180<br>160<br>140<br>120<br>100<br>80<br>60<br>40<br>20<br>0<br>Time (Seconds)<br>Preheat Time Cooling Time<br>Dwell Time<br>Temperature (°C) - Measured on bottom side of board 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240<br>**----- End of picture text -----**<br>


## **Recommended Process Parameters:** 

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Wave Parameter Lead-Free Recommendation<br>Preheat:<br>(Depends on Flux Activation Temperature) (Typical Industry Recommendation)<br>    Temperature Minimum: 100° C<br>    Temperature Maximum: 150° C<br>    Preheat Time: 60-180 seconds<br>Solder Pot Temperature: 260° C Maximum<br>Solder Dwell Time: 2-5 seconds<br>**----- End of picture text -----**<br>


## **Recommended Hand-Solder Parameters:** 

Solder Iron Temperature: 350° C +/- 5°C Heating Time: 5 seconds max. 

**Note: These devices are not recommended for IR or Convection Reflow process.** 

© 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/26/13 

**Axial Lead & Cartridge Fuses** 5×20 mm > Time Lag > 239 Series 

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Product Characteristics<br>Body: Glass  Operating Temperature –55ºC to +125ºC<br>Materials Cap: Nickel–plated brass<br>Leads: Tin–plated Copper MIL-STD-202G, Method 107G, Test<br>MIL-STD-202G, Method 211A, Test  Thermal Shock Condition B: (5 cycles –65ºC to<br>Terminal Strength Condition A +125ºC)<br>Reference IEC  60127 Second Edition  Vibration MIL-STD-202G, Method 201A<br>Solderability<br>2003-01 Annex A MIL-STD-202G, Method 103B, Test<br>Humidity Condition A. high RH (95%) and<br>Cap 1: Brand logo, current and voltage  elevated temp (40ºC) for 240 hours<br>Product Marking rating MIL-STD-202G, Method 101D, Test<br>Cap 2: Series and agency approval  Salt Spray Condition B<br>markings<br>Dimensions Part Numbering System<br>20+0.5 0239 xxxx M X P<br>0239  000P 5.2+0.1<br>-0.2<br>Series<br>5.1+0.6 5.1+0.6 Amp Code<br>Refer to Amp Code column of<br>5.8 MAX Electrical Characteristics Table<br>0239  000 XEP 40 22.5 MAX<br>Quantity Code<br>M = 1000<br>0.65*<br>Packaging Code<br>All dimensions in mm X = Filler<br>Notes:  Lead-free<br>* Ratings above 6.3A<br>   have 0.8 mm dia lead<br>Packaging<br>**----- End of picture text -----**<br>


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Quantity &<br>Packaging Option Packaging Specification Quantity Taping Width<br> Packaging Code<br>239 Series<br>Bulk N/A 1000 MX N/A<br>Bulk N/A 1000 MXE N/A<br>Reel and Tape EIA 296-E 1000 MRET1 T1=52mm (2.062”)<br>Bulk N/A 1000 MXB N/A<br>Bulk N/A 100 HX N/A<br>Bulk N/A 100 HXE N/A<br>**----- End of picture text -----**<br>


© 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/26/13 



## Links

- [View this product on Novapart](https://novapart.co/products/0239.400MXP/fuse-cartridge-slow-blow-400-ma-250-v-5mm-x-20mm)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/littelfuse/0239-400mxp/cartridge-fuse-slow-blow-0-4a/dp/1596634)
---

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