# Fuse, Surface Mount, 6 A, Fast Acting, 24 V, 1206 (3216 Metric), 1206SFF Series

![Product image](https://novapart.co/image/farnell:1843812/)

**URL**: https://novapart.co/products/1206SFF600F/24-2/fuse-surface-mount-6-a-fast-acting-24-v-1206-3216
**SKU**: 1206SFF600F/24-2
**Manufacturer**: LITTELFUSE
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || SMD Fuses
**Price**: €0.3470
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Fuse Current | 6A |
| Product Range | 1206SFF Series |
| Fuse Case Style | 1206 (3216 Metric) |
| Voltage Rating Vdc | 24VDC |
| Blow Characteristic | Fast Acting |
| Breaking Capacity Current Dc | 45A |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:1843812/)

11 

## ~~**Fast-Acting Chip Fuses**~~ 

Fast-acting chip fuses help provide overcurrent protection on systems using DC power sources up to 63VDC. The fuse’s monolithic, multilayer design provides the highest hold current in the smallest footprint, reduces diffusionrelated aging, improves product reliability and resilience, and enhances high-temperature performance in a wide range of circuit designs. 

These RoHS-compliant surface mount devices offer strong arc suppression characteristics and facilitate the development of more reliable, high performance consumer electronics such as laptops, multimedia devices, cell phones, and other portable electronics. 

## **Benefits Features** ~~es~~ =| ~~ee~~ 

- Small size with high-current ratings 

- Excellent temperature stability 

- High reliability and resilience 

- Strong arc suppression characteristics 

- RoHS compliant 

- Halogen free 

- (refers to: Br 900ppm, Cl 900ppm, Br+Cl 1500ppm) 

- Monolithic, multilayer design 

- High-temperature performance 

- -55°C to +125°C operating range 

## **Applications** 

- Laptops 

- Digital cameras 

- Cell phones 

- Printers 

- DVD players 

- Portable electronics 

- Game systems 

- LCD monitors 

- Scanners 

**99** 

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**Table FF1 Clear Time Characteristics for Fast-Acting Chip Fuses** 

11 

|**% of rated current**|**Clear time at 25°C**|
|---|---|
|100%|4 hours min.|
|250%|5 seconds max.|
|400%|0.05 seconds max.|



## **Typical Electrical Characteristics, Dimensions and Recommended Pad Layout for Table FF2 Fast-Acting Chip Fuses** 

## **0402 (1005mm) Fast-Acting Chip Fuses** 

**==> picture [161 x 131] intentionally omitted <==**

**----- Start of picture text -----**<br>
Shape and 0.020±0.004 0.039±0.004<br>Dimensions (0.51±0.10) (1.00±0.10)<br>Inch (mm)<br>0.020±0.004<br>(0.51±0.10)<br>0.010±0.004<br>(0.25±0.10)<br>Recommended 0.063<br>Pad Layout (1.60)<br>Inch (mm) 0.016<br>(0.40)<br>0.028<br>(0.70)<br>0.024<br>(0.60)<br>**----- End of picture text -----**<br>


|**Part Number**|**Rated Current**<br>**(A)**<br>**Nominal Cold DCR***<br>**(**Ω**)**<br>**Typical Electrical**<br>**Characteristics**|**Max.**<br>**Interrupt Ratings**|
|---|---|---|
|||**Voltage**<br>**(VDC)**<br>**Current**<br>**(A)**|
|0402SFF050F/24|0.50<br>0.380|24<br>35|
|0402SFF075F/24|0.75<br>0.210|24<br>35|
|0402SFF100F/24|1.00<br>0.120|24<br>35|
|0402SFF150F/24|1.50<br>0.056|24<br>35|
|0402SFF200F/24|2.00<br>0.035|24<br>35|
|0402SFF300F/24|3.00<br>0.021|24<br>35|
|0402SFF400F/24|4.00<br>0.014|24<br>35|



## **0603 (1608mm) Fast-Acting Chip Fuses** 

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**----- Start of picture text -----**<br>
Shape and 0.031±0.006<br>Dimensions (0.80±0.15) 0.063±0.006(1.60±0.15)<br>Inch (mm)<br>0.031±0.006<br>(0.80±0.15)<br>0.014±0.006<br>(0.36±0.15)<br>Recommended 0.110<br>Pad Layout (2.80)<br>Inch (mm) 0.024<br>(0.60)<br>0.039<br>(1.00)<br>0.043<br>(1.09)<br>**----- End of picture text -----**<br>


|**Part Number**|**Rated Current**<br>**(A)**<br>**Nominal Cold DCR***<br>**(**Ω**)**<br>**Typical Electrical**<br>**Characteristics**|**Max.**<br>**Interrupt Ratings**|
|---|---|---|
|||**Voltage**<br>**(VDC)**<br>**Current**<br>**(A)**|
|0603SFF050F/32|0.50<br>0.485|32<br>50|
|0603SFF075F/32|0.75<br>0.254|32<br>50|
|0603SFF100F/32|1.00<br>0.131|32<br>50|
|0603SFF150F/32|1.50<br>0.059|32<br>35|
|0603SFF200F/32|2.00<br>0.044|32<br>35|
|0603SFF250F/32|2.50<br>0.032|32<br>35|
|0603SFF300F/32|3.00<br>0.025|32<br>35|
|0603SFF350F/32|3.50<br>0.024|32<br>35|
|0603SFF400F/32|4.00<br>0.018|32<br>35|
|0603SFF500F/32|5.00<br>0.013|32<br>35|
|0603SFF600F/24|6.00<br>0.010|24<br>35|



## **1206 (3216mm) Fast-Acting Chip Fuses** 

**==> picture [194 x 179] intentionally omitted <==**

**----- Start of picture text -----**<br>
Shape and 0.063±0.008<br>Dimensions Inch (mm) (1.60±0.20) 0.126±0.008(3.20±0.20)<br>0.043±0.008<br>(1.10±0.20)<br>0.020±0.010<br>(0.51±0.25)<br>Recommended 0.173<br>Pad Layout (4.40)<br>Inch (mm) 0.059<br>(1.50)<br>0.071<br>(1.80)<br>0.057<br>(1.45)<br>**----- End of picture text -----**<br>


|**Part Number**|**Rated Current**<br>**(A)**<br>**Nominal Cold DCR***<br>**(**Ω**)**<br>**Typical Electrical**<br>**Characteristics**|**Max.**<br>**Interrupt Ratings**|
|---|---|---|
|||**Voltage**<br>**(VDC)**<br>**Current**<br>**(A)**|
|1206SFF050F/63|0.50<br>0.500|63<br>50|
|1206SFF075F/63|0.75<br>0.330|63<br>50|
|1206SFF100F/63|1.00<br>0.220|63<br>50|
|1206SFF150F/63|1.50<br>0.120|63<br>50|
|1206SFF175F/63|1.75<br>0.100|63<br>50|
|1206SFF200F/63|2.00<br>0.050|63<br>50|
|1206SFF250F/32|2.50<br>0.035|32<br>50|
|1206SFF300F/32|3.00<br>0.031|32<br>50|
|1206SFF400F/32|4.00<br>0.022|32<br>45|
|1206SFF500F/32|5.00<br>0.015|32<br>45|
|1206SFF600F/24|6.00<br>0.012|24<br>45|
|1206SFF700F/24|7.00<br>0.011|24<br>45|
|1206SFF800F/24|8.00<br>0.008|24<br>45|



* Measured at �10% of rated current and 25°C ambient temperature. 

**100** 

HF Halogen Free 

RoHS Compliant, ELV Compliant 

Downloaded from DatasheetLib.com         - datasheet search engine 

**Figure FF1-FF6 Family Performance Curves** 

11 

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**----- Start of picture text -----**<br>
Figure FF1<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
0402SFF AverageTime Current Curves<br>10 D E A = 0.5A<br>A [B C] G I B = 0.7A<br>F H C = 1.0A<br>D = 1.2A<br>E = 1.5A<br>1 F = 2.0A<br>G = 2.5A<br>H = 3.0A<br>I = 4.0A<br>0.1<br>0.01<br>0.001<br>0.1 1 10 100<br>Current (A)<br>Clear-Time (s)<br>**----- End of picture text -----**<br>


## **Figure FF3** 

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**----- Start of picture text -----**<br>
0603SFF AverageTime Current Curves<br>A B C D E F GH I J K<br>10<br>A = 0.5A<br>B = 0.7A<br>C = 1.0A<br>D = 1.5A<br>E = 2.0A<br>1 F = 2.5A<br>G = 3.0A<br>H = 3.5A<br>I = 4.0A<br>J = 5.0A<br>K = 6.0A<br>0.1<br>0.01<br>0.001<br>0.1 1 10 100<br>Current (A)<br>Clear-Time (s)<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
Figure FF2<br>**----- End of picture text -----**<br>


**==> picture [221 x 269] intentionally omitted <==**

**----- Start of picture text -----**<br>
0402SFF I²t  vs. t Curves<br>1000<br>A = 0.5A<br>B = 0.75A<br>C = 1.0A G<br>100 D = 1.5A F<br>E = 2.0A D<br>E<br>F = 3.0A<br>G = 4.0A C<br>B<br>10<br>A<br>1<br>0.1<br>0.01<br>0.001<br>0.001 0.01 0.1 1 10<br>Time (s)<br>Note:  Curves are nominal<br>I²t (A²s)<br>**----- End of picture text -----**<br>


**Figure FF4** 

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**----- Start of picture text -----**<br>
0603SFF I²t  vs. t Curves<br>10000<br>A = 0.5A<br>B = 0.75A<br>C = 1.0A<br>1000 D = 1.5A KJ<br>E = 2.0A HI<br>F = 2.5A G<br>F<br>100 G = 3.0A E<br>H = 3.5A D<br>I = 4.0A C<br>J = 5.0A B<br>10<br>K = 6.0A A<br>1<br>0.1<br>0.01<br>0.001<br>0.001 0.01 0.1 1 10<br>Time (s)<br>Note:  Curves are nominal<br>I²t (A²s)<br>**----- End of picture text -----**<br>


**101** 

RoHS Compliant, ELV Compliant HF Halogen Free 

Downloaded from DatasheetLib.com         - datasheet search engine 

**Figure FF1-FF6 Family Performance Curves** 

... Cont’d 

11 

**==> picture [502 x 262] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure FF5 Figure FF6<br>1206SFF AverageTime Current Curves 1206SFF I²t  vs. t Curves<br>A B C D E F G H I JKLM<br>10 10000<br>A = 0.5A A = 0.5A H = 3.0A<br>B = 0.7A B = 0.75A I = 4.0A M<br>C = 1.0A C = 1.0A J = 5.0A K [L]<br>1000<br>D = 1.5A D = 1.5A K = 6.0A [J] I<br>E = 1.7A E = 1.75A L = 7.5A GH<br>1 F = 2.0A F = 2.0A M = 8.0A F<br>G = 2.5A 100 G = 2.5A DE<br>H = 3.0A C<br>I = 4.0A B<br>J = 5.0A 10 A<br>K = 6.0A<br>0.1<br>L = 7.0A<br>M = 8.0A 1<br>0.1<br>0.01<br>0.01<br>0.001 0.001<br>0.1 1 10 100 0.001 0.01 0.1 1 10<br>Current (A) Time (s)<br>Note:  Curves are nominal<br>I²t (A²s)<br>Clear-Time (s)<br>**----- End of picture text -----**<br>


## **Table FF3 Environmental Specifications for Fast-Acting Chip Fuses** 

|Operatingtemperature|-55°C to +125°C|
|---|---|
|Mechanical vibration|Withstands 5-3000 Hz at 30 Gs when evaluatedper Method 204 of MIL-STD-202|
|Mechanical shock|Withstands 1500 Gs, 0.5 millisecond half-sinepulses when evaluatedper Method 213 of MIL-STD-202|
|Thermal shock|Withstands 100 cycles from -65°C to +125°C when evaluatedper Method 107 of MIL-STD-202|
|Resistance to solderingheat|Withstands 60 seconds at +260°C when evaluatedper Method 210 of MIL-STD-202|
|Solderability|Meets 95% minimum coverage requirement when evaluatedper Method 208 of MIL-STD-202|
|Moisture resistance|Withstands 10 cycles when evaluatedper Method 106 of MIL-STD-202|
|Salt spray|Withstands 48-hour exposure when evaluatedper Method 101 of MIL-STD-202|



## **Table FF4 Material Specifications for Fast-Acting Chip Fuses** 

Construction body material Ceramic Termination material Silver, Nickel, Tin Fuse element Silver 

## **Figure FF7 Thermal Derating Current for Fast-Acting Chip Fuses** 

## **Temperature Effect on Current Rating** 

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**----- Start of picture text -----**<br>
105<br>100<br>95<br>90<br>85<br>80<br>75<br>70<br>65<br>60<br>55<br>50<br>45<br>40<br>35<br>30<br>25<br>20<br>15<br>10<br>5<br>0<br>-55 -35 -15 5 25 45 65 85 105 125 145<br>Maximum Operating Temperature (˚C)<br>% De-rating<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
HF Halogen Free<br>**----- End of picture text -----**<br>


**102** RoHS Compliant, ELV Compliant 

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11 

## **Table FF5** 

## **Electrical Specifications for Fast-Acting Chip Fuses** 

Insulation resistance after opening 20,000Ω minimum @ rated voltage. Fuse clearing under low voltage conditions may result in lower - post-clearing insulation values. Under normal fault conditions values. Under normal fault conditions Raychem fuses provide sufficient insulation resistance for circuit protection. Current carrying capacity Withstands 100% rated current at +25°C ambient for 4 hours when evaluated per MIL-PRF-23419. 

## **Table FF6 Packaging Information for Fast-Acting Chip Fuses** 

|||**Reel Quantity**|||**Carrier**||**Reels per Outside**|**Outside Shipment**|
|---|---|---|---|---|---|---|---|---|
|**Size**||**(pcs)**|**Reel Diameter**|**Reel Width**|**Tape Size**|**TapeType**|**Shipment Box**|**Boxes per Overpack**|
|0402|(1005)|10,000|178mm white plastic|9.0 ± 0.5mm|8.00 ± 0.10mm|Paper|5|5|
|0603|(1608)|4,000|178mm white plastic|9.0 ± 0.5mm|8.00 ± 0.10mm|Plastic|5|5|
|1206|(3216)|3,000|178mm white plastic|9.0 ± 0.5mm|8.00 ± 0.10mm|Plastic|5|5|



## **Figure FF8 Recommended Soldering Temperature Profile for Fast-Acting Chip Fuses** 

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**----- Start of picture text -----**<br>
Soldering Natural<br>10s Max. Cooling<br>260<br>230<br>150-180 40s Max.<br>Preheat 60 - 120s Min.<br>Temperature (˚C)<br>**----- End of picture text -----**<br>


**Time (s)** 

## **Recommended conditions for hand soldering:** 

1. Using hot air rework station that can reflow the solder on both terminations at the same time is strongly recommended, do not directly contact the chip termination with the tip of soldering iron. 

2. Preheating: 150°C, 60s (min). 

- Appropriate temperature (max) of soldering iron tip/soldering time (max): 280°C /10s or 350°C / 3s. Maximum temperature of soldering iron tip/soldering time: 350°C /9s or 400°C / 8s. 

## **Table FF7 Tape and Reel Material Characteristics for Fast-Acting Chip Fuses** 

Tolerance X ± 1mm; 0.X ± 0.5mm; 0.XX ± 0.2mm 

|**Performance**<br>**Testing Method**|**Range**<br>**Min.**<br>**Max.**|
|---|---|
|MVR<br>ASTM D1238|3.60<br>4.40|
|Vicat softening temperature<br>ASTM D1525|97.8<br>-|
|Elasticity at break<br>ASTM D638|50.0<br>-|



## **Table FF8 Tape and Reel Specifications for Fast-Acting Chip Fuses** 

|**Mark**|**Dimension in inches (mm)**<br>**0402 (1005)**<br>**0603 (1608)**<br>**1206 (3216)**|
|---|---|
|E1|0.069±0.004<br>(1.75±0.10)<br>0.069±0.004<br>(1.75±0.10)<br>0.069±0.004<br>(1.75±0.10)|
|F|0.138±0.002<br>(3.50±0.05)<br>0.138±0.002<br>(3.50±0.05)<br>0.138±0.002<br>(3.50±0.05)|
|W|0.318±0.004<br>(8.00±0.10)<br>0.318±0.004<br>(8.00±0.10)<br>0.318±0.004<br>(8.00±0.10)|
|P1|0.079±0.004<br>(2.00±0.10)<br>0.157±0.004<br>(4.00±0.10)<br>0.157±0.004<br>(4.00±0.10)|
|P0|0.157±0.004<br>(4.00±0.10)<br>0.157±0.004<br>(4.00±0.10)<br>0.157±0.004<br>(4.00±0.10)|
|P2|0.040±0.002<br>(1.00±0.05)<br>0.079±0.002<br>(2.00±0.05)<br>0.079±0.002<br>(2.00±0.05)|
|D0|0.059±0.004<br>(1.50+0.10/-0.00)<br>0.059±0.004<br>(1.50+0.10/-0.00)<br>0.059±0.004<br>(1.50+0.10/-0.00)|
|D1|-<br>-<br>-<br>-<br>0.039 max<br>(1.00 max)|
|t|0.009±0.001<br>(0.23±0.02)<br>0.009±0.001<br>(0.23±0.02)<br>0.009±0.001<br>(0.23±0.02)|
|A0|0.026±0.004<br>(0.67±0.10)<br>0.036±0.004<br>(0.92±0.10)<br>0.071±0.004<br>(1.80±0.10)|
|B0|0.046±0.004<br>(1.17±0.10)<br>0.071±0.004<br>(1.80±0.10)<br>0.138±0.004<br>(3.50±0.10)|
|K0|0.025±0.004<br>(0.63±0.10)<br>0.033±0.004<br>(0.85±0.10)<br>0.050±0.004<br>(1.27±0.10)|



**103** 

RoHS Compliant, ELV Compliant HF Halogen Free Downloaded from DatasheetLib.com         - datasheet search engine 

**Figure FF9 Taped Component Dimensions for Fast-Acting Chip Fuses** 

11 

**==> picture [379 x 132] intentionally omitted <==**

**----- Start of picture text -----**<br>
t D0 P 0 P 2<br>E1<br>F<br>W<br>B0<br>K0 D1 P 1 A 0<br>**----- End of picture text -----**<br>


## **Figure FF10 Reel Dimensions for Fast-Acting Chip Fuses** 

|**Dimension**<br>**Description**<br>**Mark**<br>**Dimensions (mm)**<br>Hub outer diameter<br>B<br>60<br>Reel inside width<br>W1<br>9<br>Reel outside width<br>W2<br>11.4<br>Tape width<br>8||B<br>W2<br>W1|
|---|---|---|



## **Agency Approvals for Fast-Acting Chip Fuses** 

UL File # E197536 

## **Part Numbering System for Fast-Acting Chip Fuses** 

**==> picture [233 x 214] intentionally omitted <==**

**----- Start of picture text -----**<br>
1206   SF   F   400   F / 24 -2<br>Packaging<br>-2 = Tape and Reel<br>Voltage Rating (V)<br>Special Code<br>F = RoHS Compliant<br>M = Marked<br>Rated Current<br>050 = 0.50 Amps<br>400 = 4 Amps<br>Fuse BlowType<br>F = Fast Acting<br>S = Slow Blow<br>H = High Current<br>SF = Surface Mount Fuse<br>Size (1206, 0603, 0402)<br>**----- End of picture text -----**<br>


## **Warning :** 

All information, including illustrations, is believed to be accurate and reliable. Users, however, should independently evaluate the suitability of and test each product selected for their application. Tyco Electronics Corporation makes no warranties as to the accuracy or completeness of the information, and disclaims any liability regarding its use. Tyco Electronics’ only obligations are those in the Tyco Electronics’ Standard Terms and Conditions of Sale for this product, and in no case willTyco Electronics be liable for any incidental, indirect, or consequential damages arising from the sale, resale, use, or misuse of the product. Specifications are subject to change without notice. In addition,Tyco Electronics reserves the right to make changes to materials or processing that do not affect compliance with any applicable specification without notification to Buyer. 

**104** 

HF Halogen Free 

RoHS Compliant, ELV Compliant 

Downloaded from DatasheetLib.com         - datasheet search engine 



## Links

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- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/littelfuse/1206sff600f-24-2/fuse-smd-1206-6a/dp/1843812)
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