0691-0050-01

Fuse, PCB Leaded, 50 mA, 250 V, MRF, Fast Acting, Radial Leaded

⚠️ 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
Product type: PCB Fuses
Fuse Current:50mA; Voltage Rating VAC:250V; Product Range:MRF Series; Voltage Rating V DC:-; Blow Characteristic:Fast Acting; Fuse Case Style:Radial Leaded; Breaking Capacity Curr
SVHC: To Be Advised
Fuse Current: 50mA
Product Range: MRF
Fuse Case Style: Radial Leaded
Voltage Rating VAC: 250V
Voltage Rating VDC: -
Blow Characteristic: Fast Acting
Breaking Capacity Current AC: 35A
Breaking Capacity Current DC: -

Delivery and price
Units per pack	50
Price	0.378 €
Current stock	500+
Lead time	7 days

Datasheet

## Fast Acting Radial Lead Micro Fuse Series 

## [HF]@® IVIRF Series 

## RoHS 6 Compliant 

## Description 

Sub-miniature, fast-acting type, 250V rated fuses designed, approved and complied with IEC 60127-3, standard sheet 3. 

## Features 

- Fast Acting (250V AC@50A) 

- Meet IEC standard 60127-3, sheet 3 

- Wide operating temperature range 

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- Bulk and Tape & Reel packing available<br>.<br>CLA E.Wu&°  CE -“felons RoHS 6 compliant hes<br>**----- End of picture text -----**<br>


- Leadfree 

## Applications 

Provide individual protection for components or internal circuits. 

- Power supplies 

- Battery chargers 

- Consumer Electronics 

- Adapter LEAD FREE =@® - Industrial Controllers HALOGEN FREE= [HF| 

## Physical Specifications 

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Base and Cover : Black thermoplastic, UL 94-VO<br>Materials Pins-— : 100% Matte Tin, Plated Copper<br>OnFusesCCCSCidzSee<br>"bel", "F", “Current Rating", "250V" & " Appropriate Safety Logos"<br>arking<br>"bel", "MRF", "Current Rating", "Voltage Rating", "Interrupting Rating",<br>" Appropriate Safety Logos" and "Wg", " © “(China RoHS compliant).<br>**----- End of picture text -----**<br>


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Electrical Characteristicscec-127- stannarosueets) Safety Agency Approvals<br>a Hisinj2tm| 27m | am | 101) SAFETY | Seecare. | VOLTAGE RATING | AMPERE RANGE /VOLT<br>“are Fm [ncnner]wc) PENH] NuweER | eens<br>50mA to 6.3A © 1026142;10261411026139;1111865 50mA - 5A /250V AC @ 35A<br>inclusive or 10 In whichever is greater<br>40017420<br>mclause 9.2, the test voltage for MRF ratings from 80mA to 6.3A oan) hc<br>LR39772 50mA - 6.3A/250V AC @ 50A<br>rs<br>| esos<br>JET 1037-31007-1001 1A - 5A/250V<br>AC @ 100A<br>**----- End of picture text -----**<br>


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Specifications subject to change without notice 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. MRF Mar2016 1 / 4 

## Type MRF 

Fast Acting Radial Lead Micro Fuse Series [HF]@® IVIRF Series RoHS 6 Compliant 

## Environmental Specifications 

## Electrical Specifications 

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|Consult|manufacturer for other ratings|Specifications|subject|to|change|without|notice|

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ar. SOLUTIONS & 0:Sse ; aS PROTECTION “See” = a bel group 

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

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

## Type MRF 

Fast Acting Radial Lead Micro Fuse Series 

[HF]}@® MRF Series 

## RoHS 6 Compliant 

## Average Time Current Curve 

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MRF - TIME CURRENT CHARACTERISTIC CURVE<br><<PEEEEEEESE $<br>10000___f 88BeE<t5<5)<——<br>| HET HRo<br>emperature Derating Curve rooIT)Seeearreees|SUR ET ESTEE SEGEE ETE a eeeeres<br>Ee tt<br>re ee ee<br>EE eT<br>MhTOO) ET<br>5 Zz A<br>Oe HUT AUPE REREEAREORORORORORAEOREROD 6 FOOT<br>Ba© LLCOSSSeseiestSiisisisi:[LCC<br>Gicisss Soni SSSSss<br>re) Ww I<br>=” = COO<br>Bet) LU<br>Ci) _—— a ees soe oo oe oe wi oe ee i | tees oe So oe oe ee oe ees ee oe oe LTee<br>gqet TT ee<br>BOBO B |S 5 Bw SO 1 w O MHI ENED PTI IEA<br>Ainbient Temperature [°C] op TU AI<br>a A WV A<br>a<br>oolPOT AAA<br>0.01 | ||)01 ANN ANTNAAWLANYAAAQQ1 10 100<br>CURRENT IN AMPERES<br>Soldering Parameters<br>SEC—<br>nt tt \ secsec<br>oc ' '<br>oc to 1<br>ae TIME (SEC)<br>- Specifications subject to change without notice<br>@ x e Bel Fuse Inc. +1 201.432.0463<br>ge PROTECTION 206 Van Vorst Street techhelp@belf.com<br>“SEE” =a bel group group Jersey City, NJ 07302 USA belfuse.com<br>**----- End of picture text -----**<br>


## Soldering Parameters 

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-<br>fs @ x e<br>ge PROTECTION<br>“SEE” =a bel group group<br>**----- End of picture text -----**<br>


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

Fast Acting Radial Lead Micro Fuse Series 

## [HF]@ IMIRF Series 

## RoHS 6 Compliant 

Fuse FGNO Explanation 0691 - [XXXX] - XX 0691=MRF; [XXXX]=Ampere Rating; XX=See Ordering Information as below 

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Miliamps| Bel FNOPOOO Bel FGNODOOX)<br>| v2o_ | ooo | so | ooo |} | 10 | 1 | 1000 |<br>|| wie | 063 | 63 |est | 14 | 1.25 | 1.25 | 1250<br>| ei w o o || toos o  || so100 | cocooo |||| || 16020 |  162 || 1620 00 _—i(|<br>|| | too | ico |)ltrs] | 2-2| | ot25 |  25ts ots | 2500<br>| ano | .200 | 200 | cao |] | 40 | 4 | 4000 |<br>| 14 | 250 | 250 | oo || | 50 | 5 | sooo (|<br>| | sts | sis | sts S| | ss | 3 | 00 ~SS——d”T<br>| ano | 400 | 4oo | oo || | | | |<br>~—oots—(§$s<br>| v2 ||| soo3x0 || soo3x0 | ~~ oso sSs]]}|| S | |=| || |<br>es ee ee ee<br>Mechanical Dimensions Ordering Information<br>SHORT LEADS<br>(P/N : 0691-XXXX-01) (P/N : 0691-XXXX-05) 0691 - XXXX - XX<br>+ [-28.3520.10 4 [-78.3620.10 Sie ea<br>7.7+0.2 7.7+0.2 FUSE TYPE<br>0691 = MRF Series<br>4320.3ze ol| emSimi 3520.3“F__|4 ||. 0.5 mnmi<br>(0.20026.004")5.08+0.1 (0.200:0.004"")5.08+0.1 AMPERE RATING<br>AMMO PACK (P/N : 0691-XXXX-02) Refer to fuse FGNO explanation table<br>d2,7mens0.2mm - QUANTITY & PACKAGING CODE<br>M mmo 01 = 4.3mm +/- 0.3mm lead length,1000 pes / Box, Bulk<br>RF 00.6mm+0.1 02 = 1000 pcs / Box, Ammo Pack<br>05 = 3.5mm +/- 0.3mm lead length,1000 pes/ Box, Bulk<br>Dimension in mm 6.3mm+1.3mm<br>**----- End of picture text -----**<br>


## Mechanical Dimensions 

## Packaging 

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Packaging Option<br>Bulk / bag, 1000 / box<br>12.7 mm pitch,<br>On Tape / box<br>**----- End of picture text -----**<br>


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Packaging Specification 

Packaging Code 

1000 IEC-286-2 Ee Specifications subject to change without notice 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. 

MRF Mar2016 4/4

Updated at March 18, 2026

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