# Fuse, Surface Mount, 1.25 A, Fast Acting, 32 VDC, 0402 (1005 Metric), SF-0402F
**URL**: https://novapart.co/products/SF-0402F125-2/fuse-surface-mount-125-a-fast-acting-32-vdc-0402
**SKU**: SF-0402F125-2
**Manufacturer**: BOURNS
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || SMD Fuses
**Price**: €0.0960
**Stock**: 10+
## Specifications
| Parameter | Value |
|---|---|
| Fuse Current | 1.25A |
| Product Range | SF-0402F |
| Fuse Case Style | 0402 (1005 Metric) |
| Voltage Rating Vdc | 32VDC |
| Blow Characteristic | Fast Acting |
| Breaking Capacity Current Dc | 35A |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:2328661/)
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*RoHS COMPLIANT
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## **SinglFuse[™] SF-0402F Series Features**
- n Single blow fuse for overcurrent protection
- n Surface mount packaging for automated assembly
n 1005 (EIA 0402) miniature footprint
- n Fast-acting fuse
- n UL listed
- n RoHS compliant* and halogen free**
n Thin film chip fuse
## BOURNS ITD **SF-0402F Series - Fast Acting Surface Mount Fuses**
## ~~**Electrical Characteristics**~~
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||||||||||
|---|---|---|---|---|---|---|---|---|
|Resistance|
|Rated Current|Rated|Breaking|Typical|
|Model|Fusing Time|Tolerance ±25 %|
|(Amps)|***|Voltage|Capacity|I|[2]|t (A|[2]|s)****|
|(m|Ω|)|
|es|SF-0402F0315|0.315|||690|||0.00203|
|SF-0402F050|0.50|340|0.00317|
|es||S||sid|
|SF-0402F075|0.75|140|0.0049|
|ee||S||sd|
|SF-0402F080|0.80|100|0.00532|
|es||||isd|
|SF-0402F100|1.00|95|0.00724|
|ee||||id|
|es|SF-0402F125|1.25|Open within 1||S|57||sid|0.01344|
|SF-0402F150|1.50|min. at 200 %|45|DC 32 V|DC32 V 35 A|0.01356|
|ed|fF||ss|
|SF-0402F160|1.60|rated current|44|0.01672|
||S||sd|
|SF-0402F200|2.00|33|0.01983|
|fF||sd|
|SF-0402F250|2.50|fF|25|||s|0.03763|ids|
|ee|SF-0402F300|3.00|fF|19|||0.05427|
|SF-0402F315|3.15|18|0.06304|
|fF||ss|
|SF-0402F400|4.00|12|0.0896|
|fF||ss|
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- *** Resistance value measured with less than 10 % of rated current.
****Typical I[2] t value measured at 10x rated current.
## ~~**Reliability Testing**~~
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||||
|---|---|---|
|Parameter|Requirement|Test Method|
|Carrying Capacity ..................................... No fusing ....................................................Rated current, 4 hours|
|Fusing Time .............................................. Within 1 minute ..........................................200 % of its rated current|
|Interrupting Ability ..................................... No mechanical damages ...........................After the fuse is interrupted, rated voltage applied for|
|30 seconds again|
|Bending Test ............................................. No mechanical damages ...........................Distance between holding points: 90 mm,|
|Bending: 3 mm,1time, 30 seconds|
|Resistance to Solder Heat ........................ ±20 % .........................................................260 °C ±5 °C,10 seconds ±1 second|
|Solderability .............................................. 95 % coverage minimum ...........................235 °C ±5 °C, 2 ±0.5 second|
|245 °C ±5 °C, 2 ±0.5 second (lead free)|
|Temperature Rise ..................................... <75 ° ..........................................................100 % of its rated current, measure of surface|
|temperature|
|Resistance to Dry Heat............................. ±20 % .........................................................105 °C ±5 °C,1000 hours|
|Resistance to Solvent ............................... No evident damage on protective ..............23 °C ±5 °C of isopropyl alcohol, 90 seconds|
|coating and marking|
|Residual Resistance ................................. 10k ohms or more ......................................Measure DC resistance after fusing|
|Thermal Shock ......................................... DR < 10 % ..................................................-20 °C / +25 °C /+125 °C /+25 °C, 10 cycles|
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## ~~**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
## **Asia-Pacific:**
Tel: +886-2 2562-4117 Email: asiacus@bourns.com
**Europe:**
Tel: +36 88 520 390 Email: eurocus@bourns.com
## **The Americas:**
Tel: +1-951 781-5500 Email: americus@bourns.com **www.bourns.com**
- RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
**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. Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications.
## **SinglFuse[™] SF-0402F Series Applications**
n Portable memory
n LCD monitors
- n Disk drives
- n PDAs
- n Digital cameras
n Cell phones
- n Rechargeable battery packs
- n Battery chargers
- n Set top boxes
- n Industrial controllers
- n DVDs
## **SF-0402F Series - Fast Acting Surface Mount Fuses**
## ~~**Solder Refow Recommendations**~~
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250 Peak: 250 +0/-5 °C
230 °C or higher
200
PRE-HEATING ZONE
180 °C
150 150 °C
90 ± 30 Seconds
100
30 ± 10 Seconds
SOLDERING ZONE
50
HEATING TIME
TEMPERATURE (°C)
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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
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## ~~**Product Dimensions**~~
## ~~**Recommended Pad Layout**~~
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1.0 ± 0.1
0.381
(.039 ± .004)
(.015)
| 0.35 ± 0.05 -/-—— |
(.014 ± .002)
J 0.52 ± 0.05 1 | 0.558
(.020 ± .002) (.022)
0.25 ± 0.1 0.25 ± 0.1
a (.010 ± .004) (.010 ± .004) n
0.2 ± 0.1 0.2 ± 0.1 1.55
(.008 ± .004) (.008 ± .004) (.061)
rr DIMENSIONS: — MM
(INCHES)
PACKAGING: 10,000 pcs./reel
Thermal Derating Curve Construction & Material Content
120 OVERCOAT
110 Sn PLATING
100
FUSE ELEMENT Cu / Ni PLATING
90
CERAMIC SUBSTRATE
80
-20 0 20 40 60 80 100 120
AMBIENT TEMPERATURE (°C)
PERCENT OF RATING (%)
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PACKAGING: 10,000 pcs./reel
Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications.
## **SF-0402F Series - Fast Acting Surface Mount Fuses**
## ~~**Average Time Current Curves**~~
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1.50 A 1.60 A
1.25 A 2.00 A
1.00 A 2.50 A
0.80 A 3.00 A
0.75 A 3.15 A
0.50 A 4.00 A
0.315 A
100
10
1
0.1
0.01
0.001
0.1 1 10 100
CURRENT (A)
CLEARING TIME (S)
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## ~~**Minimum I[2] T V Clear Time Curves**~~
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100
4.00 A
3.15 A
3.00 A
2.50 A
2.00 A
1.60 A
10 1.50 A
1.25 A
1.00 A
0.80 A
0.75 A
0.50 A
1
0.315 A
0.1
0.01
0.001
0.001 0.01 0.1 1
CLEARING TIME (S)
MIN. I2T (A2 SEC)
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## ~~**Typical Part Marking**~~
Represents total content. Layout may vary.
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RATING 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
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## ~~**How to Order**~~
SinglFuse™ Product Designator SMD Footprint 1005 (EIA 0402) size Fuse Blow Type F = Fast acting S = Slow blow Rated Current 0315-400 (315 mA - 4.00 A) Packaging Type - 2 = Tape & Reel (10,000 pcs./reel)
## **SF - 0402 F 0315 - 2**
REV. G 07/17
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications.
## **SF-0402F Series Tape and Reel Specifications3312 - 2 mm SMD Trimming Potentiometer**
|**SF-0402F Series**
**Tape Dimensions**
**per EIA 481-2**|**SF-0402F Series**
**Tape Dimensions**
**per EIA 481-2**|
|---|---|
|W|8.0±0.2
(.315 ± .008)|
|P0|4.0±0.1
(.157 ± .004)|
|P1|2.0±0.1
(.079 ± .004)|
|P2|2.0±0.05
(.079 ± .002)|
|A|0.7 ±0.05
(.028 ± .002)|
|B|1.2 ±0.05
(.047 ± .002)|
|F|3.5±0.05
(.138 ± .002)|
|E|1.75±0.1
(.069 ± .004)|
|D0|1.5+0.1
(.059 + .004)|
|T|0.45±0.01
(.018 ± .004)|
|**Reel Dimensions**||
|A|180+0/-3.0
(7.087 +0/-.118)|
|B Min.|60.0
(2.362)|
|C|13.0± 1.0
(.512 ± .039)|
|W|9.0± 1.0
(.354 ± .039)|
|T|11.4 ± 2.0
(.449 ± .079)|
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MM
DIMENSIONS:
T (INCHES)
W
A BOTTOM DO PO E
DIA. TAPE TOP
TAPE
C DIA.
B
B F
W
DIA.
RESISTOR
TAPE A P1 P2
PAPER T
TAPE
DIRECTION OF UNREELING
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Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications.
## Links
- [View this product on Novapart](https://novapart.co/products/SF-0402F125-2/fuse-surface-mount-125-a-fast-acting-32-vdc-0402)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/bourns/sf-0402f125-2/fuse-1-25a-24vdc-fast-acting-smd/dp/2328661)
---
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