0683-1000-01

Square Ceramic Surface Mount Time Lag Fuse 

## [HF]@ UMTS Series - 4818 Size RoHS 6 Compliant 

## Features 

- Time lag 

- 250VAC, Voltage Rating 

- Wide range of current rating from 250mA to 6.3A 

- Wide operating temperature range 

- Tape & Reel for auto-insert SMD process 

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Electrical Characteristics (Per lec 601274) 

## Safety Agency Approvals 

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Testing Current SAFETY! AGENCY RATING Staval<br>|-ao0%tas ||[Minimumtewa ||| MaximumaminNA || ||AGENCY| Ds  cermicare 250m 894/250W) AC 2somA-6.9AOAS R/250V1008 @150A AC<br>1000%<br>**----- End of picture text -----**<br>


## Physical Specifications 

Terminations : Brass Caps, gold plated with nickel undercoating "pel", "T", "Current Rating", "L","250V",in black color. "bel", "UMTS", "Current Rating", "Voltage Rating", "Interrupting Rating", " Appropriate Safety Logos" and " ie e © "(China RoHS compliant). 

Specifications subject to change without notice 

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Bel Fuse Inc. +1 201.432.0463 206 Van Vorst Street techhelp@belf.com Jersey City, NJ 07302 USA belfuse.com 

© 2016 Bel Fuse, Inc. UMTS Mar2016 1/4 

## Type UMTS 250V UMF 

Square Ceramic Surface Mount Time Lag Fuse [HFI@ UMTS Series - 4818 Size RoHS 6 Compliant 

## Environmental Specifications 

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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|.|MIL-STD-202G,|Method|213B,|Test|Condition|1|
|Electrical|Specifications|
|Catalog|| Ampere|aos|Volt-drop|Melting PT|sehen|
|nati|Rating|||Resistance|||2190% In|Voltage and Interrupting|Ratings|@10In|feetenc|@|
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Consult manufacturer for other ratings 

Specifications subject to change without notice 

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206 VanBel Vorst Fuse Street Inc. techhelp@belf.com+1 201.432.0463 Jersey City, NJ 07302 USA belfuse.com 

© 2016 Bel Fuse, Inc. UMTS Mar2016 2/4 

## Type UMTS 250V UMF 

Square Ceramic Surface Mount Time Lag Fuse 

## [HF]@H UMTS Series - 4818 Size RoHS 6 Compliant 

## Average Time Current Curve 

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UMTS - TIME CURRENT CHARACTERISTIC CURVE<br>siaees fs 25.5<br>SeesPTeaeiiemmeemPTa Ha} 08000000((timmmtmteaes amen emtsaaiit<br>poya<br>Temperature Derating Curve PAHa A EEEREt E<br>ILA 1<br>ega<br>=5 130| ee|<br>OBis410} OoSg bfmarrLUTTEDemmeCANIMEAADy LO UUOGO UUAYA.| Ua[TTT ones OOoTTTata<br>3g2® +00; THY 9” CREAaPAAhhNY0kee<br>sv) LT<br>= 7 Ss ReeseeetiiimmsmsmseeehVRULTUAGY CRNA VERSIE EB EEIIT<br>B oo. - =F EHH EEA AAA FE<br>:5 60) ot LLaOTICdT|CTIN AANA ANIA A SNCEJ}a dLTE<br>Li} Li} Li t tht | Se eee ARTSY WRN SA YC Gili<br>Ambient Temperature [ °C] CCE COTTA TT<br>oor LETH CCTCRSSSANSANNRSTTT<br>Soldering Parameters CURRENT IN AMPERES<br>Temperature Preheat & Soak T<br>max (Tsmax) 200 °C<br>T ei e m perature (Tsmin to Tsmax)min (Tsmin (ts ) 15060 -120 °C  seconds q Pp | Max.REmeererre Ramp Down Rate = 6 °C/SnenKeo Te -5 OC<br>Liquidous temperature (TL) 217°C a " amin<br>:< La |<br>26<br>Soldering Guidelines }+———Time 25 °C to Peak —————+<br>Reflow Conditions Recommended Recommended 240 °C, 30 sec. max. TIME =<br>**----- End of picture text -----**<br>


Reflow Conditions Recommended Recommended 240 °C, 30 sec. max. NOT Recommended for Wave solder / Direct immersion / Hand Solder 

2° 3s 

Specifications subject to change without notice 

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206 VanBel VorstFuse StreetInc. techhelp@belf.com+1 201.432.0463 Jersey City, NJ 07302 USA belfuse.com 

© 2016 Bel Fuse, Inc. UMTS Mar2016 3 / 4 

Square Ceramic Surface Mount Time Lag Fuse 

[HF]}@ UMTS Series - 4818 Size 

## RoHS 6 Compliant 

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Fuse FGNO Explanation<br>0683 - [XXXX] - XX<br>0683-=UMTS; [XXXX]=Ampere Rating; XX=See Ordering Information as below<br>| Fraction [Decimal Miliamps| Bel FENODOORK | [Fraction Decimal| Amps | Bel FENODOOOY<br>|| v4 __|o250|250 | oo || |10 |1 | 1000 _ |<br>| | sts | ats | oats | ava | 125 | 1.25 | 1250 |<br>| ao _| 400 | 400 | oo || _—'| 160 | 16 | 1600 iY<br>| ve | so0| soo | os || |20 |2 | 200 (|<br>| eo|| 80030 | ao690 | 0630oxo ||| fave_—i| | esais || 25ats | [sto] 2500 |<br>ee ee ee ee<br>PTsfs | 300<br>Mechanical Dimensions Ordering Information<br>| —— [(0.476"20.020")a.12.10+0.50mmAC250V8 | (0.177"'+0.005"")4.45+0.13mm aes0683 - KOX-AS XX<br>— aso. 010mm,+U. [_|] L 1 FUSE TYPE<br>TOP VIEW 0683- = UMTS Series<br>7 6.50)(0.256") [ AMPERERefer to fuse RATING FGNO explanation table<br>5 60m) | | | | QUANTITY & PACKAGING CODE<br>+__<br>_| L3(0.15")30mm 01 = 1500 pcs with Tape and Reel<br>PAD LAYOUT RECOMMENDED FOR REFLOW SOLDERING<br>**----- End of picture text -----**<br>


## Mechanical Dimensions 

## Packaging 

Packaging Tape & Reel Packaging Specification Quantity & Packaging Code 24 mm wide tape with 13 inches Diameter reel EIA Standard 481-E ee ee ee Specifications subject to change without notice oS ore: E@ i eC See yee yee Bel Fuse Inc. +1 201.432.0463 ‘a 206 Van Vorst Street techhelp@belf.com a ie a bel group Jersey City, NJ 07302 USA belfuse.com 

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© 2016 Bel Fuse, Inc. UMTS Mar2016 4/4