# Fuse, Automotive, Slow Blow, 300 A, 32 V, 29mm x 18.8mm x 9.4mm, BF2

![Product image](https://novapart.co/image/farnell:2508406/)

**URL**: https://novapart.co/products/153.5395.6301/fuse-automotive-slow-blow-300-a-32-v-29mm-x-188mm
**SKU**: 153.5395.6301
**Manufacturer**: LITTELFUSE
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || Automotive Fuses
**Price**: €7.2100
**Stock**: 10+
**Lead Time**: 169 days (indicative)

## Description

Blow Characteristic:Slow Blow; Fuse Current:300A; Voltage Rating V DC:32V; Auto Blade Fuse Size:-; Product Range:BF2 Series

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (17-Jan-2023) |
| Fuse Current | 300A |
| Product Range | BF2 |
| Voltage Rating Vdc | 32V |
| Blow Characteristic | Slow Blow |
| Auto Blade Fuse Size | 29mm x 18.8mm x 9.4mm |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2508406/)

## Hi h Current Fuses g 

## BF2 Fuses Rated 32V 

This BF2 fuse is rated at 32V and offers a bolt-on fuse for  high current wiring protection. Current rating 100A - 500A; with transparent housing material for easy detection of blown fuses. 

## Specifications 

BF2 Fuses 

Voltage Rating: Interrupting Ratings: 

Recommended Environmental Temperature: Terminals Material: Housing Material: Clear Housing Material: Mounting Torque M8: Mounting Torque M6: Refers to: 

32 VDC 100A - 300A: 2000A @ 32 VDC 400A - 500A: 1500A @ 32 VDC -40˚C to + 125˚C Tin plated copper alloy PET-GF33 (U.L. 94 Flammability rating – V0) PES (U.L. 94 Flammability rating – V0) 12.0 Nm +/- 1Nm 6.0 Nm +/- 1Nm ISO 8820-5:2015, UL 248 Special Purpose 

## Time-Current Characteristic Curves 

**==> picture [175 x 247] intentionally omitted <==**

**----- Start of picture text -----**<br>
1000<br>_<br>100<br>IM<br>Seeaaiiiseltiith iiammmsmeatl<br>10  eV \\\\<br>Po A<br>1  SESE HE \\\\\\ CHE<br>PAA<br>Po AA<br>0,1  Pe AAA A<br>10  100  1000  10000<br>CURRENT [A]<br>100A 125A 150A 175A 200A 225A 250A 300A 400A 500A<br>TIME [s]<br>**----- End of picture text -----**<br>


## Time Current Characteristics 

## Ord ~~ering I~~ nfor ~~m~~ ation 

|~~**Part Number**~~|~~**R**~~**ati**~~**ng**~~|**Package**<br>**Size**||**% of Rating**|**Opening Time Min / Max (s)**<br>**100A - 250A**<br>**300A - 500A**|**Opening Time Min / Max (s)**<br>**100A - 250A**<br>**300A - 500A**|
|---|---|---|---|---|---|---|
|St~~a~~ndard M8 Holes||||75|– / –|14,400 / ∞|
|153.5395.xxxx|100 - 500|200||100|14,400 / ∞|– / –|
|M6 Holes||||135|120 / 1,800|– / –|
|153.7011.xxxx<br>100 - 500<br>200<br>fp||||200<br>350<br>600|1 / 15<br>0.3 / 5<br>0.1 / 1|1 / 15<br>0.5 / 5<br>0.1 / 1|



## Ratings 

|**Part Number**<br>**Current**<br>**Rating**<br>**(A)**<br>**Housing**<br>**Color**<br>153.xxxx.6102<br>100<br>153.xxxx.6122<br>125<br>153.xxxx.6152<br>150<br>153.xxxx.6172<br>175<br>153.xxxx.6202<br>200<br>153.xxxx.6222<br>225<br>153.xxxx.6252<br>250<br>153.xxxx.63021<br>300<br>153.xxxx.64021<br>400<br>153.xxxx.65021<br>500<br>o~~a ~~<br>__<br>po~~y~~ <br>e~~s~~|**Test Cable**<br>**Size (mm2)**<br>**Typ. Voltage**<br>**Drop (mV)**<br>**Typ. Cold**<br>**Resistance**<br>**(mΩ)**<br>16<br>102<br>0.70<br>25<br>81<br>0.52<br>25<br>77<br>0.42<br>25<br>104<br>0.36<br>35<br>102<br>0.34<br>35<br>107<br>0.29<br>50<br>86<br>0.25<br>70<br>68<br>0.21<br>70<br>70<br>0.13<br>70<br>60<br>0.12<br> —<br> fo|**Typ. I2t**<br>**(A2s)**<br>46,800<br>118,100<br>113,400<br>154,400<br>288,000<br>236,000<br>292,500<br>486,000<br>964,000<br>1,449,000|
|---|---|---|



Note 1: Short Circuit Protector only 

The typical I[2] t is an average value calculated from the breaking capacity tests by using the melting time before the arcing occurs. 

## REV07272021 

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®. 

littelfuse.com 

45 

## Hi h Current Fuses g 

## BF2 Fuse Rated 32V 

## Dimensions 

Dimensions in mm for reference only. See outline drawing for dimensions and tolerances 

**==> picture [226 x 183] intentionally omitted <==**

**----- Start of picture text -----**<br>
67.3<br>51<br>29<br>16.3<br>M8: ø 8.5<br>M6: ø 6.5<br>0.5 (100-125A)<br>9.3 (100-200A)<br>0.8 (150-200A)<br>9.4 (225-300A)<br>1.0 (225-300A)<br>10 (400- 500A)<br>1.5 (400-500A)<br>**----- End of picture text -----**<br>


**==> picture [5 x 158] intentionally omitted <==**

## Temperature Table 

## Typical Derating of Fuse Melting Element 

Temperature Security Margin is 20% 

Please contact Littelfuse[®] for Details Regarding Derating Test Set-Up. 

**==> picture [235 x 292] intentionally omitted <==**

**----- Start of picture text -----**<br>
300<br>290 100A<br>280<br>270 125A<br>260<br>250 150A<br>240230220 Max Recommended Environmental 175A<br>210200190 Temperature 200A225A<br>180170 250A<br>160<br>150<br>140<br>130<br>120<br>110<br>100<br>90<br>80<br>70<br>60<br>50<br>40<br>30<br>20<br>10<br>0<br>-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180<br>Ambient Temperature [°C]<br>400<br>380 300A<br>360 400A<br>340<br>320300280 Max Recommended Environmental 500A<br>260 Temperature<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>-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180<br>Ambient Temperature [°C]<br>Max. Allowed Current Load [A]<br>Max. Allowed Current Load [A]<br>**----- End of picture text -----**<br>


**==> picture [239 x 165] intentionally omitted <==**

**----- Start of picture text -----**<br>
max. allowed current load [A] at ambient temperature (typical derating)<br>-40°C 0°C 20°C 65°C 85°C 110°C 125°C<br>100A 100 96 91 76 69 58 50<br>125A 125 115 108 90 80 67 58<br>150A 150 138 130 109 99 83 73<br>175A 167 151 142 120 108 92 80<br>200A 189 171 161 135 122 103 90<br>225A 200 180 170 143 129 109 94<br>250A 250 250 244 200 177 145 123<br>300A 225 225 225 201 181 153 133<br>400A 300 300 300 262 236 198 172<br>500A 364 329 311 263 238 202 177<br>**----- End of picture text -----**<br>


Derating curves may change depending on the final condition of the application (terminals characteristics, wire size etc..). Please ask Littelfuse for more information. 

## REV07272021 

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®. 

® 

littelfuse.com 

46 



## Links

- [View this product on Novapart](https://novapart.co/products/153.5395.6301/fuse-automotive-slow-blow-300-a-32-v-29mm-x-188mm)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/littelfuse/153-5395-6301/automotive-fuse-slow-blow-300a/dp/2508406)
---

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