# Fuse, Surface Mount, 500 mA, Slow Blow, 32 V, 0402 [1005 Metric], SF-0402S

![Product image](https://novapart.co/image/farnell:2328663RL/)

**URL**: https://novapart.co/products/SF-0402S050-2/fuse-surface-mount-500-ma-slow-blow-32-v-0402-1005
**SKU**: SF-0402S050-2
**Manufacturer**: BOURNS
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || SMD Fuses
**Price**: €0.2710
**Stock**: 1000+
**Lead Time**: 92 days (indicative)

## Description

Fuse Current:500mA; Product Range:SF-0402S Series; Voltage Rating VAC:-; Voltage Rating V DC:24VDC; Blow Characteristic:Slow Blow; Fuse Case Style:0402; Breaking Capacity Current AC:-;

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Fuse Current | 500mA |
| Product Range | SF-0402S |
| Fuse Case Style | 0402 [1005 Metric] |
| Voltage Rating Vac | - |
| Voltage Rating Vdc | 32V |
| Blow Characteristic | Slow Blow |
| Breaking Capacity Current Ac | - |
| Breaking Capacity Current Dc | 35A |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2328663RL/)

## **SinglFuse[™] SF-0402S Series Features** 

■ 

■ 1005 (EIA 0402) miniature footprint 

■ Surface mount packaging for automated assembly 

■ UL 248-14 compliant 

■ RoHS compliant* and halogen free** 

## **SF-0402S Series - Slow Blow Surface Mount Fuses** 

**==> picture [504 x 401] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||||||||||
|---|---|---|---|---|---|---|---|---|---|
|POURNS|SF-0402S Series - Slow Blow Surface Mount Fuses|
|Clearing Time Characteristics for Series|Additional Information|
|Click these links for more information:|
|Clearing Time at 25 °C|
|% of Current Rating|
|Min.|Max.|
|100 %|4 hours|—|
|PRODUCT|TECHNICAL|INVENTORY|SAMPLES|CONTACT|
|250 %|—|5 seconds|SELECTOR|LIBRARY|
|—|
|Electrical Characteristics|
|Certifications|
|Rated Current|Resistance|Rated|Interrupting|Typical|
|Model|
|(A)|(Ω) Typ.***|Voltage|Rating|I|[2]|t (A|[2]|s) ****|cUL: E198545|
|||
|SF-0402S050-2|0.50|0.3|0.0037|✓|
|ee|||
|SF-0402S080-2|0.80|0.078|0.00947|✓|
|ee|ee|ee|a|
|SF-0402S100-2|1.00|0.075|0.01479|✓|
|ee|ee|a|
|SF-0402S125-2|1.25|0.044|0.0231|✓|
|ee|ee|a|
|SF-0402S150-2|1.50|0.0345|0.024|✓|
|ee|ee|a|
|SF-0402S160-2|1.60|0.0295|32 VDC|35 A @ 32 VDC|0.03734|✓|
|ee|ee|a|
|SF-0402S200-2|2.00|0.023|0.0404|✓|
|ee|ee|a|
|SF-0402S250-2|2.50|0.018|0.0676|✓|
|ee|ee|a|
|SF-0402S300-2|3.00|0.015|0.0986|✓|
|ee|ee|a|
|SF-0402S315-2|3.15|0.014|0.10868|✓|
|ee|ee|a|
|SF-0402S400-2|4.00|0.01|0.1145|✓|
|***|es|ee|a|
|Resistanc valu|e|measured with ≤10 % rated current at 25 °C ambient. Tolerance ± 25 %.|
|**** Melting I|[2]|t calculated at 10 times rated current.|

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


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

Operating Temperature .................................................................................................................................................................-20 °C to +105 °C Storage Conditions Temperature ...............................................................................................................................................................................+5 °C to +35 °C Humidity..........................................................................................................................................................................................40 % to 75 % Shelf Life.......................................................................................................................................................... 2 years from manufacturing date Moisture Sensitivity Level ....................................................................................................................................................................................... 1 ESD Classification (HBM)............................................................................................................................................................................. Class 6 

*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. 

“SinglFuse” is a trademark of Bourns, Inc. 

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

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. 

## **SinglFuse[™] SF-0402S Series Applications** 

■ Portable memory ■ LCD monitors ■ Disk drives 

- PDAs 

- Digital cameras 

■ Cell phones 

■ Rechargeable battery packs ■ Battery chargers ■ Set top boxes ■ Industrial controllers 

■ DVDs 

## **SF-0402S Series - Slow Blow Surface Mount Fuses** 

**==> picture [466 x 323] intentionally omitted <==**

**----- Start of picture text -----**<br>
Average Pre-Arcing Time vs. Current Curves Average I [2] t vs. t Curves<br>4.00 A<br>1.50 A 1.60 A 100 3.15 A<br>1.25 A 2.00 A 3.00 A<br>1.00 A 2.50 A 2.50 A<br>0.80 A 3.00 A 2.00 A<br>0.50 A 3.15 A 1.60 A<br>4.00 A 1.50 A<br>100 1.25 A<br>10<br>1.00 A<br>0.80 A<br>10 0.50 A<br>1<br>1<br>0.1<br>0.1<br>0.01<br>0.01<br>0.001 0.001<br>0.001 0.01 0.1 1<br>0.1 1 10 100<br>CURRENT (A) TIME (SECONDS)<br>22s)t (AI<br>PRE-ARCING TIME (SECONDS)<br>**----- End of picture text -----**<br>


## ~~**Average Pre-Arcing Time vs. Current Curves**~~ 

**==> picture [491 x 128] intentionally omitted <==**

**----- Start of picture text -----**<br>
Product Dimensions Recommended Pad Layout<br>1.0 ± 0.1<br>0.55 ± 0.05<br>(.039 ± .004)<br>(.022 ± .002)<br>0.35 ± 0.05<br>(.014 ± .002)<br>0.52 ± 0.05 0.50 ± 0.1<br>(.020 ± .002) (.020 ± .004)<br>0.25 ± 0.1 0.25 ± 0.1<br>(.010 ± .004) (.010 ± .004)<br>0.2 ± 0.1 0.2 ± 0.1 1.50 ± 0.1<br>(.008 ± .004) (.008 ± .004) DIMENSIONS: MM (.059 ± .004)<br>(INCHES)<br>**----- End of picture text -----**<br>


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

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. 

## **SF-0402S Series - Slow Blow Surface Mount Fuses** 

## ~~**Thermal Derating Curve**~~ 

**==> picture [242 x 140] intentionally omitted <==**

**----- Start of picture text -----**<br>
120<br>110<br>100<br>90<br>80<br>-20 0 20 40 60 80 100 120<br>AMBIENT TEMPERATURE (°C)<br>RATED CURRENT PERCENTAGE (%)<br>**----- End of picture text -----**<br>


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

**==> picture [90 x 7] intentionally omitted <==**

**----- Start of picture text -----**<br>
SF - 0402  S  050  -  2<br>**----- End of picture text -----**<br>


SinglFuse™ Product Designator SMD Footprint 1005 (EIA 0402) size Fuse Blow Type = Slow blowS Rated Current 050-400 (500 mA - 4.00 A) Packaging Type 2 = Tape & Reel (10,000 pcs./reel)- 

## ~~**Packaging**~~ 

|~~**Packaging**~~||
|---|---|
|**Reel Dimension**|7-inch Tape and Reel|
|**Specification**|EIA 481-2|
|**Quantity**|10,000 pieces|
|**Packaging Code**|-2|



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

Represents total content. Layout may vary. 

**==> picture [87 x 41] intentionally omitted <==**

RATED CURRENT (A) D = 0.315 N = 1.60 F = 0.50 S = 2.00 V = 0.75 T = 2.50 K = 0.80 3 = 3.00 L = 1.00 U = 3.15 M = 1.25 W = 4.00 P = 1.50 

## ~~**Solder Reflow Recommendations**~~ 

**==> picture [289 x 160] intentionally omitted <==**

**----- Start of picture text -----**<br>
250 Peak: 250 +0/-5 °C<br>230 °C or higher<br>200<br>PRE-HEATING ZONE<br>180 °C<br>150 150 °C<br>90 ± 30 Seconds<br>100<br>30 ± 10 Seconds<br>SOLDERING ZONE<br>50<br>HEATING TIME<br>TEMPERATURE (°C)<br>**----- End of picture text -----**<br>


PEAK:  250 +0/-5 °C, 5 seconds PRE-HEATING ZONE: 150 to 180 °C, 90 ± 30 seconds SOLDERING ZONE: 230 °C or higher, 30 ± 10 seconds 

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. 

## **SF-0402S Series - Slow Blow Surface Mount Fuses** 

## ~~**Reliability Testing**~~ 

**==> picture [505 x 18] intentionally omitted <==**

**----- Start of picture text -----**<br>
No. Test Requirement Test Condition<br>**----- End of picture text -----**<br>


|**No.**|**Test**|**Requirement**|**Test Condition**|
|---|---|---|---|
|||||
|1|Carrying Capacity|No fusing|Rated current, 4 hours|
|2|Fusing Time|Within 5 seconds|250 % of its rated current|
|3|Interrupting Ability|No mechanical damages|After the fuse is interrupted, rated voltage applied<br>for 30 seconds again|
|4|Bending Test|No mechanical damages|Distance between holding points: 90 mm,<br>Bending: 3 mm,1 time, 30 seconds|
|5|Resistance to Solder Heat|±20 %|260 °C ±5 °C,10 seconds ±1 second|
|6|Solderability|95 % coverage minimum|235 °C ±5 °C, 2 ±0.5 second<br>245 °C ±5 °C, 2 ±0.5 second (lead free)|
|7|Temperature Rise|<75 ° C|100 % of its rated current, measure of surface<br>temperature|
|8|Resistance to Dry Heat|±20 %|105 °C ±5 °C,1000 hours|
|9|Resistance to Solvent|No evident damage on protective coating<br>and marking|23 °C ±5 °C of isopropyl alcohol, 90 seconds|
|10|Residual Resistance|10k ohms or more|Measure DC resistance after fusing|
|11|Thermal Shock|ΔR < 10 %|-20 °C / +25 °C /+125 °C /+25 °C, 10 cycles|



**Asia-Pacific:** Tel: +886-2 2562-4117 • Email: asiacus@bourns.com **EMEA:** Tel: +36 88 885 877 • Email: eurocus@bourns.com **The Americas:** Tel: +1-951 781-5500 • Email: americus@bourns.com **www.bourns.com** 

REV. J 04/21 

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** 

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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 

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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 

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## Links

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- [Supplier page](https://es.farnell.com/bourns/sf-0402s050-2/fuse-0-5a-24vdc-slow-blow-smd/dp/2328663RL)
---

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