0679L2000-01

Fuse, Surface Mount, 2 A, Fast Acting, 125 V, 125 V, 2410 [6125 Metric], 0679L Series

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: BEL FUSE - CIRCUIT PROTECTION
Product type: SMD Fuses
Fuse Current:2A; Product Range:0679L Series; Voltage Rating VAC:125V; Voltage Rating V DC:125V; Blow Characteristic:Fast Acting; Fuse Case Style:2410; Breaking Capacity Current AC:50A; B
SVHC: Lead (21-Jan-2025)
Fuse Current: 2A
Product Range: 0679L Series
Fuse Case Style: 2410 [6125 Metric]
Voltage Rating VAC: 125V
Voltage Rating VDC: 125V
Blow Characteristic: Fast Acting
Breaking Capacity Current AC: 50A
Breaking Capacity Current DC: 300A

Delivery and price
Units per pack	1000
Price	0.155 €
Current stock	25+
Lead time	30 days

Datasheet

## Type 0679L Square Ceramic Surface Mount Quick Acting Fuse 

0679L Series – 2410 Size RoHS Compliant 

## **Features** 

- Quick Acting, 2410 SMD 

- Compatible with 260℃, IR Pb-free solder process 

- Wide range of current rating from 250mA to 20A 

- Wide operating temperature range, -55℃ to 125℃ 

- Tape & Reel for auto-insert SMD process 

- AEC-Q Compliant 

- RoHS compliant with exemption 7(a) 

Full compliance with EU Directive 2011/65/EU and amending directive 2015/863 

- Halogen Free, (MSL = 1) 

- Meets Bel automotive qualification* 

- - Largely based on internal AEC-Q test plan 

## **Applications** 

- Notebook 

- LCD monitor 

- PC computer 

- Office electronic equipment 

- Industrial equipment 

- Medical equipment 

- POE, POE+ 

- LCD / LED monitor 

## **AEC-Q Compliant** 

- Power supply 

- LCD / LED TV                                                                          HALOGEN FREE = 

## **Electrical Characteristics Safety Agency Approvals** 

**(UL/CSA/STD.248-14)** 

|Testing<br>Current|Blow Time|Blow Time|
|---|---|---|
||Minimum|Maximum|
|100%|4 Hrs.|N/A|
|200%|N/A|5 Sec|



|Safety<br>Agency||Safety<br>Agency<br>Certificate<br>Ampere  Rating<br>/Voltage Rating<br>Ampere Range / Volt<br>@ I.R. ability*|
|---|---|---|
|||E506667<br>250mA–20A/125V AC<br>125V DC<br>250mA –20A / 125V@ 50A AC<br>125V@300A DC<br>250mA –10A / 86V@ 10,000A DC|
|*I.R.=Interrupting Rating=Short Circuit Rating(Amps)|||
|**Physical Specifications**|**Physical Specifications**|**Physical Specifications**|
|Materials||Body : Ceramic<br>Terminations : Silver Plated Caps/ /Gold Plated Caps/Palladium Plated Caps|
|Marking<br>On Fuse :<br>“Current Rating”, “Q”, ”L”—laser marked on ceramic tube,<br>“bel” stamped in end caps.<br>On Label :<br>"bel", "0679L",  "Current Rating",  "Voltage Rating",  "Interrupting Rating",<br>"Appropriate Safety Logos"  and "<br>", "<br>"(China RoHS compliant).<br>~~—~~|||



## **Physical Specifications** 

Specifications subject to change without notice 

Please read our datasheet & drawing disclaimer here. 

**belfuse.com/circuit-protection** 

Type 0679L 

**2** / **4** 

## **Environmental Specifications** 

||MIL-STD-202G, Method 213B, Test Condition 1||High temperature storage|MIL-STD-202 Method 108|
|---|---|---|---|---|
|Shock Resistance|(100 G's peak for 6 milliseconds; Sawtooth<br>waveform)||Temperature cycling|JESD22 Method JA-104,Test Condition B|
|Vibration Resistance<br>Salt Spray Resistance<br>Insulation Resistance|MIL-STD-202G, Method 201A<br> (10-55Hz, 0.06inch, totalexcursion).<br>MIL-STD-202G, Method 101E, Test Condition B<br>(48hrs.).<br>MIL-STD-202G, Method 302, Test Condition A<br>(After Opening)10,000 ohms minimum.||Biased humidity<br>Operational life<br>Resistance to solvents<br>Mechanical shock|MIL-STD-202 Method 103, 85C/85% RH with<br>10% operating power for 1000hrs.<br>MIL-STD-202 Method 108, Test Condition D<br>MIL-STD-202 Method 215<br>MIL-STD-202 Method 213,Test Condition C|
|Solderability|MIL-STD-202G, Method 208H||Vibration|MIL-STD-202 Method 204|
|Resistance to solder Heat|MIL-STD-202G, Method 210F, Test Condition C.<br>Top Side (260℃,20 sec)<br>MIL-STD-202G, Method 210F, Test Condition D.||Resistance to soldering<br>heat<br>Thermal shock|MIL-STD-202 Method 210,Test condition B<br>MIL-STD-202 Method 107|
|Thermal Shock|Bottom Side (260℃,10 sec)<br>MIL-STD-202G, Method 107G, Test Condition B<br>(-65℃to +125℃).||Solderability<br>Board flex(SMD)|J-STD-002<br>AEC-Q200-005|
|Operating Temperature<br>Moisture Sensitivity Level|-55℃to +125℃<br>1 (According to IPC J-Std-020)||Terminal strength<br>Electrical characterization|AEC-Q200-006<br>3 temperature electrical|



## **Electrical Specifications** 

|Part Number<br>~~po~~|Ampere<br>Rating<br>(A)<br>~~po~~|TypicalCold<br>Resistance<br>(ohms)<br>~~po~~|Volt-drop<br>@100% In<br>(Volt) max.<br>~~po~~|Voltage and<br>Interrupting<br>Ratings|Melting I²T<br><10m Sec<br>(A² Sec)<br>~~ee~~|Melting I²T<br>@10 In<br>(A² Sec)<br>~~ee~~|Maximum<br>Power<br>Dissipation<br>(W)<br>~~ee~~|Agency<br>Approvals|
|---|---|---|---|---|---|---|---|---|
|||||||||~~ee~~|
|0679L0250-XX<br>~~po~~<br>~~ee~~|250mA<br>~~po~~|0.55<br>~~po~~|0.530<br>~~po~~|See Table of Safety<br>Approvals on Page<br>1 for Voltage and<br>associated<br>Interrupting Ratings|0.01<br>~~ee~~<br>~~es~~|0.02<br>~~ee~~|0.13<br>~~ee~~|Y<br>~~ee~~|
|0679L0375-XX<br>~~po~~<br>~~ee~~<br>~~ee~~|375mA<br>~~po~~|0.32<br>~~po~~|0.480<br>~~po~~||0.04<br>~~ee~~<br>~~es~~<br>~~ee~~|0.04<br>~~ee~~<br>~~ee~~|0.18<br>~~ee~~<br>~~ee~~|Y<br>~~ee~~<br>~~ee~~|
|0679L0500-XX<br>~~ee~~<br>~~ee~~<br>~~ee~~|500mA<br>~~ee~~|0.22<br>~~ee~~|0.470||0.08<br>~~es~~<br>~~ee~~<br>~~es~~|0.08<br>~~ee~~|0.24<br>~~ee~~|Y<br>~~ee~~|
|0679L0630-XX<br>~~ee~~<br>~~ee~~<br>~~ee~~|630mA<br>~~ee~~|0.17<br>~~ee~~|0.410||0.15<br>~~ee~~<br>~~es~~<br>~~a~~|0.15<br>~~ee~~|0.26<br>~~ee~~|Y<br>~~ee~~|
|0679L0750-XX<br>~~ee ~~<br>~~ee~~<br>~~es~~|750mA<br> ~~ee~~|0.14<br>~~ee~~|0.380||0.24<br>~~es~~<br>~~a~~<br>~~ee~~|0.26<br>~~ee~~|0.29<br>~~ee~~|Y<br>~~ee~~|
|0679L1000-XX<br>~~ee~~<br>~~es~~<br>~~ee~~|1A|0.09|0.280||0.51<br>~~a~~<br>~~ee~~<br>~~es~~|0.54<br>~~ee~~|0.28<br>~~ee~~|Y<br>~~ee~~|
|0679L1250-XX<br>~~es~~<br>~~ee~~<br>~~ee~~|1.25A|0.068|0.250||0.21<br>~~ee~~<br>~~es~~<br>~~es~~|0.22<br>~~ee~~|0.31<br>~~ee~~|Y<br>~~ee~~|
|0679L1500-XX<br>~~ee~~<br>~~ee~~<br>~~ee~~|1.5A|0.053|0.250||0.32<br>~~es~~<br>~~es~~<br>~~a~~|0.29|0.38|Y|
|0679L2000-XX<br>~~ee~~<br>~~ee~~<br>~~ee~~|2A|0.035|0.240||0.62<br>~~es~~<br>~~a~~<br>~~es~~|0.68|0.48|Y|
|0679L2500-XX<br>~~ee~~<br>~~ee~~<br>~~ee~~|2.5A|0.028|0.240||0.96<br>~~a~~<br>~~es~~<br>~~a~~|1.13|0.60|Y|
|0679L3000-XX<br>~~ee~~<br>~~ee~~<br>~~ee~~|3A|0.022|0.220||1.6<br>~~es~~<br>~~a~~<br>~~es~~|1.8|0.66|Y|
|0679L3500-XX<br>~~ee~~<br>~~ee~~<br>~~ee~~|3.5A|0.019|0.220||2.0<br>~~a~~<br>~~es~~<br>~~es~~|2.2|0.77|Y|
|0679L4000-XX<br>~~ee~~<br>~~ee~~<br>~~es~~|4A|0.018|0.220||3.1<br>~~es~~<br>~~es~~<br>~~ee~~|3.5<br>~~ee~~|0.88<br>~~ee~~|Y<br>~~ee~~|
|0679L5000-XX<br>~~ee~~<br>~~es~~<br>~~ee~~|5A|0.014|0.200||5.3<br>~~es~~<br>~~ee~~<br>~~es~~|5.5<br>~~ee~~|1.00<br>~~ee~~|Y<br>~~ee~~|
|0679L6300-XX<br>~~es~~<br>~~ee~~<br>~~ee~~|6.3A|0.011|0.190||8.7<br>~~ee~~<br>~~es~~<br>~~es~~|8.3<br>~~ee~~|1.20<br>~~ee~~|Y<br>~~ee~~|
|0679L7000-XX<br>~~ee~~<br>~~ee~~<br>~~ee~~|7A|0.010|0.175||11.1<br>~~es~~<br>~~es~~<br>~~a~~|10.8|1.23|Y|
|0679L8000-XX<br>~~ee~~<br>~~ee~~<br>~~ee~~|8A|0.0085|0.170||14.8<br>~~es~~<br>~~a~~<br>~~es~~|14.1|1.36|Y|
|0679L9100-XX<br>~~ee~~<br>~~ee~~<br>~~ee~~|10A|0.0064|0.150||25.7<br>~~a~~<br>~~es~~<br>~~a~~|25.7|1.50|Y|
|0679L9120-XX<br>~~ee~~<br>~~ee~~<br>~~ee~~|12A<br>~~ee~~|0.0054<br>~~ee~~|0.140||41.0<br>~~es~~<br>~~a~~<br>~~es~~|38.9|1.68|Y|
|0679L9150-XX<br>~~ee~~<br>~~ee~~<br>~~po~~|15A<br>~~ee~~|0.0038<br>~~ee~~|0.130||76.7<br>~~a~~<br>~~es~~<br>~~A~~|103.5|1.95|Y|
|0679L9200-XX<br>~~ee ~~<br>~~po~~|20A<br> ~~ee~~|0.0032<br>~~ee~~|0.130||130.5<br>~~es~~<br>~~A~~|128.0|2.60|Y|



XX - Packaging code (see “ordering information”) 

NOTES: 

All tests were conducted with the fuses soldered to a printed circuit boards with a nominal thickness of 1.6 mm. The copper test circuit trace was a printed circuit with an overall length of 100 mm, copper thickness/width as described Fuse rating Test Board Trace Dimensions below. The printed circuit boards were mounted by screws to a test fixture having brass blocks for connection of the test leads. All samples were soldered to the test boards by the 250mA-5A 50mA-5A mA-5A 5A A 1 oz. copper,oz. copper,z. copper,copper,r,, 5.0mm wide. .0mm wide. 0mm wide. mm wide. de. . manufacturer. 6A-20A A-20A 0A A 3 oz. copper, 10mm wide. z. copper, 10mm wide. copper, 10mm wide. r, 10mm wide. , 10mm wide.  10mm wide. 0mm wide. mm wide. de. . 

Fuse rating Test Board Trace Dimensions 250mA-5A 50mA-5A mA-5A 5A A 1 oz. copper,oz. copper,z. copper,copper,r,, 5.0mm wide. .0mm wide. 0mm wide. mm wide. de. . 6A-20A A-20A 0A A 3 oz. copper, 10mm wide. z. copper, 10mm wide. copper, 10mm wide. r, 10mm wide. , 10mm wide.  10mm wide. 0mm wide. mm wide. de. . 

Specifications subject to change without notice 

**Bel Fuse Inc.** 300 Executive Drive, Suite 300 West Orange, NJ 07052 USA 

+1 201.432.0463 Bel.US.CS@belf.com **belfuse.com/circuit-protection** 

© 2025 Bel Fuse, Inc. 

Rev. 0679L Feb2025 

**3** / **4** 

## Type 0679L 

## **Temperature Derating Curve                 Average Time Current Curve** 

**==> picture [177 x 125] intentionally omitted <==**

**----- Start of picture text -----**<br>
|<br>10)<br>TT<br>eoLULL ULL<br>**----- End of picture text -----**<br>


## **Soldering Parameters** 

|IR Reflow Profile (IPC/JEDEC J-STD-020D)|IR Reflow Profile (IPC/JEDEC J-STD-020D)|IR Reflow Profile (IPC/JEDEC J-STD-020D)||
|---|---|---|---|
|**Preheat & Soak**||||
|Temperature min (Tsmin)|)|)|150℃|
|Temperature max (Tsmax)<br>Time (Tsminto Tsmax) (ts)<br>Average ramp-up rate (Tsmaxto Tp)<br>Liquidous temperature (TL)|)<br>)|)|200℃<br>60-120 seconds<br>3℃/second max.<br>217℃|
|Time at liquidous(tL)|||60-150 seconds|
|Peak temperature (Tp)|||260℃max|
|Time (tp) within 5℃of the specified<br>classification temperature (Tc)|||30 seconds|
|Average ramp-down rate (Tpto Tsmax)|||6℃/second max.|
|Time 25℃to peak temperature|||8 minutes max.|



## OeGees bel SOLUTIONSPOWER & 

Specifications subject to change without notice 

**Bel Fuse Inc.** +1 201.432.0463 300 Executive Drive, Suite 300 Bel.US.CS@belf.com West Orange, NJ 07052 USA **belfuse.com/circuit-protection** 

© 2025 Bel Fuse, Inc. 

Rev. 0679L Feb2025 

**4** / **4** 

## Type 0679L 

## **Fuse FGNO Explanation 0679 L [XXXX] -XX 0679L=0679L; [XXXX]=Ampere Rating; XX=See Ordering Information as below** 

|Fraction|Decimal|Milliamps|Bel FGNO[XXXX]|
|---|---|---|---|
|1/4|0.250|250|0250|
|3/8|.375|375|0375|
|1/2|.500|500|0500|
||.630|630|0630|
|3/4|.750|750|0750|



|Fraction|Decimal|Amps|Bel FGNO[XXXX]|
|---|---|---|---|
||1.0|1|1000|
|1-1/4|1.25|1.25|1250|
|1-1/2|1.50|1.5|1500|
||2.0|2|2000|
|2-1/2|2.5|2.5|2500|
||3.0|3|3000|
|3-1/2|3.5|3.5|3500|
||4.0|4|4000|
||5.0|5|5000|
||6.3|6.3|6300|
||7.0|7|7000|
||8.0|8|8000|
|||10|9100|
|||12|9120|
|||15|9150|
|||20|9200|



## **Mechanical Dimensions                                      Ordering Information** 

## **Packaging** 

|Packaging Tape & Reel|Packaging Specification|Quantity|Quantity & Packaging Code|
|---|---|---|---|
|12 mm wide tape with 13 inches Diameter reel|EIA Standard 481-E|5000|5|
|12 mm wide tape with 7 inches Diameter reel|EIA Standard 481-E|1000|1|



## Specifications subject to change without notice 

+1 201.432.0463 Bel.US.CS@belf.com **belfuse.com/circuit-protection** 

**Bel Fuse Inc.** 300 Executive Drive, Suite 300 West Orange, NJ 07052 USA © 2025 Bel Fuse, Inc. 

Rev. 0679L Feb2025

Updated at June 9, 2026

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