C2Q-250

Type C2Q Surface Mount Very Fast-Acting Chip Fuse 

C2Q Series – 0603 Size RoHS Compliant 

## **Features** 

- Fast-acting 

- Small size, 0603 SMD 

- Current rating from 250mA to 5A 

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

- Tape and Reel for automatic SMD placement 

- Compatible with 260℃ IR Pb-free and wave soldering process 

- Full compliance with EU Directive 2011/65/EU and amending directive 2015/863 (MSL = 1) 

- Halogen Free and Lead Free 

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## **Applications** 

- Notebook 

- LCD monitor 

- PC computer 

- Office electronic equipment 

- Industrial equipment 

- Medical equipment 

- POE, POE+ 

- LCD / LED monitor 

- Power supply 

- LCD / LED TV                                                                                LEAD FREE = 

- DC-DC Converter                                                                   HALOGEN FREE = 

## **Electrical Characteristics** (UL STD.248-14) **Safety Agency Approvals** 

|Testing<br>Current|Blow Time<br>Minimum|Blow Time<br>Maximum||Safety<br>Agency<br>Safety Agency<br>Certificate<br>Ampere Rating/<br>Voltage Rating|Ampere Range / Volt<br>@ I.R. ability*|
|---|---|---|---|---|---|
|100%|4 Hrs.|N/A||250mA-4A/32V AC|250mA-4A/32V AC @ 35A|
|200%|N/A|5 Sec||E20624<br>63V DC|63V DC @ 50A|
|300%|N/A|0.2 Sec||5A / 32V AC & DC 5A / 32V AC & DC @ 50A|5A / 32V AC & DC 5A / 32V AC & DC @ 50A|
|||||*I.R.= InterruptingRating= Short Circuit Rating(Amps)<br>~~|~~||



## **Physical Specifications** 

~~Ce~~ Body : Ceramic Substrate Materials ~~Ce~~ Terminations : Ag / Ni / Sn (100% Lead-free) ~~Cs~~ Element Cover Coating : Lead-free Glass On Fuse : ~~Ce~~ None ~~Rs~~ Marking On Label : ~~Cn~~ "bel",  "C2Q",  "Current Rating", "Voltage Rating",  "Interrupting Rating", "Appropriate Safety Logos"  and " ", " "(China RoHS compliant). ~~—_—=~~ 

OeEee bel SOLUTIONSPOWER & 

Specifications subject to change without notice 

**belfuse.com/circuit-protection** 

**2** / **4** 

## Type C2Q 

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

## **Electrical Specifications** 

|Catalog<br>Number<br>~~ee~~<br>~~a~~|Ampere<br>Rating<br>(A)<br>~~ee~~|Nominal<br>Cold<br>Resistance<br>(ohms)<br>~~ee~~|Nominal<br>Volt-drop<br>@100% In<br>(Volt)<br>~~ee~~|Voltage and<br>Interrupting<br>Ratings|Nominal<br>Melting I²T<br>@10 In<br>(A² Sec)<br>~~ee~~|Nominal<br>Power<br>Dissipation<br>@100% In<br>(W)<br>~~ee~~<br>~~ee~~|Agency  Approvals|
|---|---|---|---|---|---|---|---|
||||||||~~ee~~<br>~~eee~~|
|C2Q 250<br>~~ee~~<br>~~a~~<br>~~ee~~|250mA<br>~~ee~~<br>~~ee~~|0.77<br>~~ee~~<br>~~ee~~|0.243<br>~~ee~~<br>~~eee~~|See Table of<br>Safety Approvals on<br>Page 1 for Voltage<br>and associated<br>Interrupting Ratings<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.00001<br>~~ee~~<br>~~ee~~|0.06<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee eee~~|Y<br>~~ee~~<br>~~eee~~<br>~~ee~~<br>~~eee~~|
|C2Q 300<br>~~ee~~<br>~~a~~<br>~~ee~~<br>~~ee~~|300mA<br>~~ee ~~<br>~~ee~~<br>~~ee~~|0.54<br> ~~ee~~<br>~~ee~~<br>~~ee~~|0.217<br>~~ee~~<br>~~eee~~<br>~~ee~~||0.00003<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.07<br>~~ee~~<br>~~ee ~~<br>~~ee~~<br>~~ee eee~~<br>~~ee~~<br>~~ee~~|Y<br>~~ee~~<br> ~~eee~~<br>~~ee~~<br>~~eee~~<br>~~ee~~<br>~~ee~~|
|C2Q 375<br>~~ee~~<br>~~ee~~<br>~~ee~~|375mA<br>~~ee ~~<br>~~ee~~<br>~~ee~~|0.42<br> ~~ee ~~<br>~~ee~~<br>~~ee~~|0.196<br> ~~eee~~<br>~~ee~~<br>~~ee~~||0.00004<br>~~ee~~<br>~~ee~~<br>~~es~~|0.07<br>~~ee~~<br>~~ee eee~~<br>~~ee~~<br>~~ee~~<br>~~es~~<br>~~ee~~|Y<br>~~ee~~<br>~~eee~~<br>~~ee~~<br>~~ee~~<br>~~es~~<br>~~ee~~|
|C2Q 500<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|500mA<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>|0.28<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>|0.171<br>~~ee~~<br>~~ee~~<br>~~ee~~||0.00015<br>~~ee~~<br>~~es~~<br>~~ee~~|0.09<br>~~ee eee~~<br>~~ee~~<br>~~ee~~<br>~~es~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|Y<br>~~eee~~<br>~~ee~~<br>~~ee~~<br>~~es~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|
|C2Q 750<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~a~~|750mA<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.17<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.159<br>~~ee~~<br>~~ee~~<br>~~ee~~||0.0005<br>~~es~~<br>~~ee~~<br>~~ee~~|0.12<br>~~ee~~<br>~~es~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|Y<br>~~ee~~<br>~~es~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|
|C2Q 1<br>~~ee~~<br>~~ee~~<br>~~a~~<br>~~ee~~|1A<br>~~ee~~<br>~~ee~~<br>~~**ee**~~|0.122<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.154<br>~~ee~~<br>~~ee~~<br>~~**ee**~~||0.0010<br>~~ee~~<br>~~ee~~<br>~~a~~|0.15<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~a~~|Y<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~eee~~|
|C2Q 1.25<br>~~ee ~~<br>~~a~~<br>~~ee~~<br>~~a~~|1.25A<br> ~~ee ~~<br>~~**ee**~~|0.092<br> ~~ee~~<br>~~ee~~<br>~~ee~~|0.152<br>~~ee~~<br>~~**ee**~~||0.0018<br>~~ee~~<br>~~a~~<br>~~ee~~|0.19<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~a~~<br>~~ee~~<br>~~ee~~|Y<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~eee~~<br>~~ee~~<br>~~ee~~|
|C2Q 1.5<br>~~a~~<br>~~ee~~<br>~~a~~<br>~~ee~~|1.5A<br>~~**ee**~~<br>~~ee~~|0.073<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.146<br>~~**ee**~~<br>~~ee~~||0.0025<br>~~a~~<br>~~ee~~<br>~~ee~~|0.22<br>~~ee~~<br>~~a~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~e~~~~**e**~~|Y<br>~~ee~~<br>~~eee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|
|C2Q 1.75<br>~~ee~~<br>~~a~~<br>~~ee~~<br>~~a~~|1.75A<br>~~**ee** ~~<br>~~ee~~<br>~~ee~~|0.063<br> ~~ee ~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.144<br> ~~**ee**~~<br>~~ee~~<br>~~ee~~||0.0044<br>~~a ~~<br>~~ee~~<br>~~ee~~<br>~~e~~|0.25<br> ~~a ~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~e~~~~**e**~~<br>~~e~~<br>~~ee~~|Y<br> ~~eee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|
|C2Q 2<br>~~a~~<br>~~ee~~<br>~~a~~<br>~~ee~~|2A<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.053<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.133<br>~~ee~~<br>~~ee~~<br>~~ee~~||0.0063<br>~~ee~~<br>~~e~~<br>~~ee~~|0.27<br>~~ee~~<br>~~ee~~<br>~~e~~~~**e**~~<br>~~e~~<br>~~ee~~<br>~~ee~~<br>~~e~~~~**e**~~|Y<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|
|C2Q 2.5<br>~~ee~~<br>~~a~~<br>~~ee~~<br>~~a~~|2.5A<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.042<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.130<br>~~ee~~<br>~~ee~~<br>~~ee~~||0.0074<br>~~e~~<br>~~ee~~<br>~~e~~|0.33<br>~~e~~~~**e**~~<br>~~e~~<br>~~ee~~<br>~~ee~~<br>~~e~~~~**e**~~<br>~~e~~<br>~~ee~~|Y<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|
|C2Q 3<br>~~a~~<br>~~ee~~<br>~~a~~<br>~~a~~|3A<br>~~ee~~<br>~~ee~~|0.034<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.130<br>~~ee~~<br>~~ee~~<br>~~ee~~||0.018<br>~~ee~~<br>~~e~~<br>~~ee~~|0.39<br>~~ee~~<br>~~ee~~<br>~~e~~~~**e**~~<br>~~e~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|Y<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~|
|C2Q 3.5<br>~~ee~~<br>~~a~~<br>~~a~~<br>~~a~~|3.5A<br>~~ee ~~<br>~~ee~~|0.028<br> ~~ee~~<br>~~ee~~<br>~~ee~~|0.131<br>~~ee~~<br>~~ee~~<br>~~ee~~||0.021<br>~~e~~<br>~~ee~~<br>~~es~~|0.46<br>~~e~~~~**e**~~<br>~~e~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~es~~<br>~~ee~~|Y<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~es~~<br>~~ee~~|
|C2Q 4<br>~~a~~<br>~~a~~<br>~~a~~|4A<br>~~ee~~|0.023<br>~~ee~~<br>~~ee~~<br>~~ee~~|0.131<br>~~ee~~<br>~~ee~~<br>~~ee~~||0.042<br>~~ee~~<br>~~es~~<br>~~es~~|0.52<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~es~~<br>~~ee~~<br>~~es~~<br>~~ee~~|Y<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~es~~<br>~~ee~~<br>~~es~~|
|C2Q 5<br>~~a~~<br>~~a~~|5A<br>~~ee ~~|0.019<br> ~~ee~~<br>~~ee~~|0.131<br>~~ee~~<br>~~ee~~||0.055<br>~~es~~<br>~~es~~|0.66<br>~~ee~~<br>~~es~~<br>~~ee~~<br>~~es~~<br>~~ee~~|Y<br>~~ee~~<br>~~es~~<br>~~ee~~<br>~~es~~|



## BOsAiEBERS bel SOLUTIONSPOWER & 

Specifications subject to change without notice 

**Bel Fuse Inc.** 

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

206 Van Vorst Street Jersey City, NJ 07302 USA 

© 2023 Bel Fuse, Inc. 

Rev. C2Q May2023 

**3** / **4** 

## Type C2Q 

## **Environmental Specifications** 

|Shock Resistance|MIL-STD-202G, Method 213B, Test Condition 1<br>(100 G's peak for 6 milliseconds; Sawtooth waveform)|
|---|---|
|Vibration Resistance|MIL-STD-202G, Method 201A (10-55 Hz, 0.06 inch, total excursion).|
|Salt Spray Resistance|MIL-STD-202G, Method 101E, Test Condition B (48 hrs.).|
|Insulation Resistance|MIL-STD-202G, Method 302, Test Condition A<br>(After Opening) 10,000 ohms minimum.|
|Solderability|MIL-STD-202G, Method 208H|
|Resistance to solder Heat|MIL-STD-202G, Method 210F, Test Condition C. Top Side  (260℃,20 sec)<br>MIL-STD-202G,Method 210F,Test Condition D. Bottom Side(260℃,10 sec)|
|Thermal Shock|MIL-STD-202G, Method 107G, Test Condition B  (-65℃to +125℃).|
|Operating Temperature|-55℃to +125℃|
|Moisture Sensitivity Level|1 (According to IPC J-Std-020)|



## **Soldering Parameters** 

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



|Lead-free Wave Soldering Profile||
|---|---|
|Wave Soldering Parameter<br>Average ramp-up rate<br>Heating rate during preheat<br>Final preheat temperature<br>Peak temperature Tp<br>Time within +0℃/ -5℃of actual<br>peaktemperature|200℃/ second<br>typical 1 - 2℃/ second<br>Max 4℃/ second<br>within 125℃of soldering<br>temperature<br>260℃<br>10 seconds|
|Ramp-down rate|5℃/ second max.|



5)= Ww a r= ie am A Oo = Lu Ee 

Specifications subject to change without notice 

**Bel Fuse Inc.** +1 201.432.0463 206 Van Vorst Street Bel.US.CS@belf.com Jersey City, NJ 07302 USA **belfuse.com/circuit-protection** 

© 2023 Bel Fuse, Inc. 

Rev. C2Q May2023 

**4** / **4** 

## Type C2Q 

## **Fuse FGNO Explanation 0686 - [XXXX] -XX 0686=C2Q; [XXXX]=Ampere Rating; XX=See Ordering Information as below** 

|Fraction|Decimal|Milliamps|Bel FGNO[XXXX]||Fraction|Decimal|Amps|Bel FGNO[XXXX]|
|---|---|---|---|---|---|---|---|---|
|1/4|0.250|250|0250|||1.0|1|1000|
|3/10|.300|300|0300||1-1/4|1.25|1.25|1250|
|3/8|.375|375|0375||1-1/2|1.50|1.5|1500|
|1/2|.500|500|0500|||1.75|1.75|1750|
|3/4|.750|750|0750|||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|



## **Mechanical Dimensions                                     Ordering Information** 

## **Packaging** 

|Packaging Tape & Reel|Packaging Specification|Quantity|Quantity & Packaging Code|
|---|---|---|---|
|8 mm wide tape with 7 inches Diameter reel|EIA Standard 481-E|5000|0686-XXXX-01|



Specifications subject to change without notice 

**Bel Fuse Inc.** +1 201.432.0463 206 Van Vorst Street Bel.US.CS@belf.com Jersey City, NJ 07302 USA **belfuse.com/circuit-protection** © 2023 Bel Fuse, Inc. Rev. C2Q May2023