# Fuse, Automotive, Slow Blow, 50 A, 32 V, 16mm x 12mm x 7.8mm, BF1

![Product image](https://novapart.co/image/farnell:2508409/)

**URL**: https://novapart.co/products/153.5631.5501/fuse-automotive-slow-blow-50-a-32-v-16mm-x-12mm
**SKU**: 153.5631.5501
**Manufacturer**: LITTELFUSE
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || Automotive Fuses
**Price**: €2.3800
**Stock**: 500+
**Lead Time**: 169 days (indicative)

## Description

Blow Characteristic:Slow Blow; Fuse Current:50A; Voltage Rating V DC:32V; Auto Blade Fuse Size:-; Product Range:BF1 Series

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (17-Jan-2023) |
| Fuse Current | 50A |
| Product Range | BF1 |
| Voltage Rating Vdc | 32V |
| Blow Characteristic | Slow Blow |
| Auto Blade Fuse Size | 16mm x 12mm x 7.8mm |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2508409/)

Hi h Current Fuses g 

## BF1 Fuse Rated 32V 

This BF1 fuse is rated at 32V and offers a bolt-on fuse for high current wiring protection. Current rating 23A - 200A; with transparent housing material for easy detection of blown fuses. One-Hole BF1 fuses have a current rating 60-125A. 

## Specifications 

BF1 Fuses 

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**----- Start of picture text -----**<br>
One Hole BF1 Fuses<br>**----- End of picture text -----**<br>


Time-Current Characteristic Curves 

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**----- Start of picture text -----**<br>
10000<br>1000<br>100<br>10<br>1<br>0.1 En<br>10 100 1000 10000<br>10000<br>1000<br>100<br>10 A<br>et<br>1<br>0.1 | |<br>10 100 1000 10000<br>30A 40A 50A 60A 70A 80A 100A 125A<br>TIME [s]<br>150A 200A<br>TIME [s]<br>**----- End of picture text -----**<br>


Voltage Rating: 32 VDC Interrupting Rating: 30A: 1000A @32 VDC 40A - 150A: 2000A @32 VDC 200A: 1500A @32 VDC Recommended Environmental Temperature:         -40˚ to 125˚C Terminals Material: Tin plated copper alloy Hou ~~s~~ ing M ~~a~~ terial: PET-GF33 (U.L. 94 Flammability rating – V0) Clear Housing Material: PES (U.L. 94 Flammability rating – V0) Mounting Torque M5: 4.5 Nm +/- 1Nm Mounting Torque M6: 6.0 Nm +/- 1Nm Refers to: ISO 8820-5:2015, UL 248 Special Purpose Fuses 

## Time-Current Characteristics 

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

|~~**Part Number**~~<br>153.5631.xxx2|~~**Ratings**~~<br>30A-200A|~~**P**~~**ackage**<br>**Size**<br>1000|**Bolt**<br>**Size**<br>M5|**Bolt Hole**<br>**Qty**<br>2|**Bolt Hole**|**% of**<br>**Rating**|**Opening Time Min / Max (s)**<br>**30-125A**<br>**150-200A**|**Opening Time Min / Max (s)**<br>**30-125A**<br>**150-200A**|
|---|---|---|---|---|---|---|---|---|
|153.5631.xxx1<br>153.7010.xxx2<br>153.7000.xxx2<br>153.0010.xxx2<br>153.0020.xxx2|30A-200A<br>30A-150A<br>150-200A<br>60A-125A<br>30A-200A|10<br>1000<br>500<br>1000<br>500|M5<br>M6<br>M6<br>M6<br>--|2<br>2<br>2<br>1<br>0||75<br>100<br>110<br>150<br>200|– / –<br>360,000 /∞<br>14,400 /∞<br>90 / 3,600<br>3 / 100|360,000 /∞<br>– / –<br>– / –<br>– / –<br>1 / 15|
|||||||300<br>350<br>500|0.3 / 3<br>– / –<br>0.1 / 1|– / –<br>0.3 / 5<br>– / –|
|||||||600|– / –|0.1 / 1|



## Ratings 

|**Part Number**<br>153.xxxx.530_<br>153.xxxx.540_<br>153.xxxx.550_<br>153.xxxx.560_<br>153.xxxx.570_|**Current**<br>**Rating (A)**<br>30<br>40<br>50<br>60<br>70|**Housing**<br>**Material Color**|**Housing**<br>**Material Color**|**Housing**<br>**Material Color**|**Test Cable**<br>**Size (mm2)**<br>2.5<br>4<br>6<br>6<br>10|**Typ. Voltage**<br>**Drop (mV)**<br>105<br>90<br>80<br>75<br>70|**Typ.Cold**<br>**Resistance (mΩ)**<br>2.70<br>1.56<br>1.03<br>0.75<br>0.64|**Typ. I2t**<br>**(A2s)**<br>5,100<br>6,800<br>6,900<br>16,200<br>22,000|
|---|---|---|---|---|---|---|---|---|
|153.xxxx.580_|80||||10|70|0.55|25,600|
|153.xxxx.610_<br>153.xxxx.612_<br>153.xxxx.615_1<br>153.xxxx.620__3|100<br>125<br>150<br>200||||16<br>25<br>25<br>35|70<br>70<br>70<br>70|0.44<br>0.34<br>0.29<br>0.24|42,500<br>62,500<br>83,400<br>126,000|



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 

41 

## Hi h Current Fuses g 

## BF1 Fuse Rated 32V 

## Dimensions 

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

## BF1 2 Holes M5/M6 versions 

## BF1 1 Hole M6 version 

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**----- Start of picture text -----**<br>
M5: ø 5.5<br>M6: ø 6.5<br>12<br>16<br>30<br>41.6<br>7.8 (30A-100A) 0.4 (30A-100A)<br>8.0 (125A-200A) 0.6 (125A-200A)<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
ø 6.5<br>BF1 No Holes versions<br>**----- End of picture text -----**<br>


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## Temperature Table 

## Typical Derating of Fuse Melting Element 

Temperature Security Margin is 20% Please contact Littelfuse[®] for Details Regarding Derating Test Set-Up. 

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**----- Start of picture text -----**<br>
150<br>30A<br>140 40A<br>130 50A<br>120 60A<br>110100 Max Recommended Environmental 70A80A<br>Temperature 100A<br>90<br>125A<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>150<br>140 150A<br>130 200A<br>120<br>110 Max Recommended Environmental<br>100 Temperature<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>Max. Allowed Current Load [A]<br>Max. Allowed Current Load [A]<br>**----- End of picture text -----**<br>


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**----- 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>30A 30 30 28 24 21 18 16<br>40A 40 40 40 36 32 27 23<br>50A 50 50 50 46 41 35 30<br>60A 60 60 60 55 50 42 36<br>70A 70 70 70 68 61 51 45<br>80A 80 80 80 74 66 56 49<br>100A 100 100 100 90 81 70 61<br>125A 125 125 125 112 101 86 75<br>150A 113 113 111 93 84 70 61<br>200A 129 118 111 95 86 73 64<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 

42 



## Links

- [View this product on Novapart](https://novapart.co/products/153.5631.5501/fuse-automotive-slow-blow-50-a-32-v-16mm-x-12mm)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/littelfuse/153-5631-5501/bolt-on-fuse-slow-blow-50a-32v/dp/2508409)
---

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