0233010.MXP

Fuse, Cartridge, Medium Acting, 10 A, 125 V, 5mm x 20mm, 0.2" x 0.79", 233

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Manufacturer: LITTELFUSE
Product type: Cartridge Fuses
Blow Characteristic:Medium Acting; Fuse Current:10A; Voltage Rating VAC:125V; Fuse Size Metric:5mm x 20mm; Fuse Size Imperial:0.2" x 0.79"; Product Range:233 Series; Breaking Cap
SVHC: No SVHC (23-Jan-2024)
Fuse Current: 10A
Product Range: 233
Fuse Size Metric: 5mm x 20mm
Fuse Size Imperial: 0.2" x 0.79"
Voltage Rating VAC: 125V
Blow Characteristic: Medium Acting
Breaking Capacity Current AC: 10kA

Delivery and price
Units per pack	1000
Price	0.473 €
Current stock	200+
Lead time	30 days

Datasheet

**Axial Lead & Cartridge Fuses** 5×20 mm > Medium-Acting > 233 Series 

~~**Ro**~~ **HS** ~~**Pb**~~ **PSE** ~~[_IQC@E SK~~ 

## 233 Series, 5×20 mm, Medium-A ~~cting Fuse~~ 

## **Description** ~~bP~~ 

**Description** 5×20mm medium–acting glass body fuse designed to UL specification. ~~**Features** PO~~ 

- Designed to UL/CSA/ • RoHS compliant and ANCE 248-1 and 248-14 lead-free Standards 

- Available in cartridge and axial lead format 

## ~~**Agency Approvals** Lo~~ 

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Agency Agency File Number Ampere Range<br>Cartridge:<br>   NBK190609-JP1021A 1A – 5A<br>PS    NBK030609-JP1021B 6A – 10A<br>E Leaded:<br>oO    NBK190609-JP1021B 1A – 5A<br>   NBK030609-JP1021D 6A – 10A<br>C c    N/A 1A – 10A<br>   E10480 1A – 10A<br>   SU05001 - 2010 1A – 6.3A<br>[G<br>1A – 6A<br>   29862<br>G. 8A – 10A<br>Additional Information<br>LE<br>gi<br>Datasheet Resources Samples Accessories<br>**----- End of picture text -----**<br>


## **Additional Information** ~~LE~~ 

~~**Applications** ae~~ Used as supplementary protection in appliance or utilization equipment to provide individual protection for components or internal circuits. 

## ~~**Electrical Characteristics for Series** Lo~~ 

|% of Ampere<br>Rating|Ampere<br>Rating<br>1A – 3.5A|Opening Time<br>4 hours, Minimum|
|---|---|---|
|100%|4A – 7A|1 hour, Minimum|
||8A – 10A<br>1A – 3.5A|1 hour, Minimum<br>15 sec., Min; 1500 sec., Max.|
|135%<br>200%|4A – 7A<br>8A – 10A<br>1A – 3.5A<br>4A – 7A|15 sec., Min; 1500 sec., Max.<br>3 sec., Min; 3600 sec., Max.<br>.60 sec., Min; 3 sec., Max.<br>.60 sec., Min; 3 sec., Max.|
||8A – 10A|0.4 sec., Min; 2.25 sec., Max.|



For recommended fuse accessories for this product series, see ‘Recommended Accessories’ section. 

|~~**Electrical Characteristic Specif**~~**i**~~**cations by Item**~~<br>~~|~~|~~**Electrical Characteristic Specif**~~**i**~~**cations by Item**~~<br>~~|~~|~~**Electrical Characteristic Specif**~~**i**~~**cations by Item**~~<br>~~|~~|~~**Electrical Characteristic Specif**~~**i**~~**cations by Item**~~<br>~~|~~|
|---|---|---|---|
|Amp Code<br>Amp<br>Rating (A)<br>Voltage<br>Rating (V)<br>Interrupting<br>Rating|Nominal Cold<br>Resistance (Ohms)<br>Nominal Melting<br>I2t (A2sec)<br>AgencyApprovals<br>**PS**<br>**E**<br>i~~G~~<br>G. |<]|||
|001.<br>1<br>125<br>10 kA @ 125VAC<br>1.25<br>1.25<br>125<br>01.6<br>1.6<br>125<br>002.<br>2<br>125<br>02.5<br>2.5<br>125<br>003.<br>3<br>125<br>3.15<br>3.15<br>125<br>03.5<br>3.5<br>125<br>004.<br>4<br>125<br>005.<br>5<br>125<br>006.<br>6<br>125<br>06.3<br>6.3<br>125<br>007.<br>7<br>125<br>008.<br>8<br>125<br>010.<br>10<br>125<br>~~a~~<br>~~ee eee~~<br>~~ee~~<br>~~ee eee~~<br>~~ee~~<br>~~ee eee~~<br>~~a~~<br>~~ee eee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~a~~<br>~~== ~~<br>~~a~~|0.1750<br>1.97500<br>x<br>x<br>x<br>x<br>0.1263<br>3.39000<br>x<br>x<br>x<br>x<br>0.0880<br>6.14000<br>x<br>x<br>x<br>x<br>0.0684<br>9.97000<br>x<br>x<br>x<br>x<br>0.0521<br>17.04500<br>x<br>x<br>x<br>x<br>0.0431<br>26.24000<br>x<br>x<br>x<br>x<br>0.0380<br>29.79500<br>x<br>x<br>x<br>x<br>0.0322<br>36.27500<br>x<br>x<br>x<br>x<br>0.0293<br>51.61000<br>x<br>x<br>x<br>x<br>0.0217<br>89.97500<br>x<br>x<br>x<br>x<br>0.0179<br>131.45500<br>x<br>x<br>x<br>x<br>0.0166<br>151.90500<br>x<br>x<br>x<br>x<br>0.0137<br>157.31000<br>x<br>x<br>x<br>0.0084<br>169.43500<br>x<br>x<br>x<br>x<br>0.0066<br>274.11500<br>x<br>x<br>x<br>x<br>~~es~~<br>~~Es~~<br>~~RR~~<br>~~Eses~~<br>~~Es~~<br>~~ER~~<br>~~Rs~~<br>~~ss~~<br>~~a~~<br>~~ER~~<br>~~ER~~<br>~~ee~~<br> ~~S255~~<br>~~a~~||x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x|
|© 2019 Littelfuse, Inc.||||
|Specifications are subject to change without notice.<br>Application testing is strongly recommended.||||
|Revised: 01/29/19||||



**Axial Lead & Cartridge Fuses** 5×20 mm > Medium-Acting > 233 Series 

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Temperature Re-rating Curve<br>**----- End of picture text -----**<br>


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Average Time Current Curves<br>10000<br>1000<br>100<br>0.1<br>0.01<br>0.001<br>1 10 100 1000<br>CURRENT IN AMPERES<br>Recommended Process Parameters:<br>Wave Parameter Lead-Free Recommendation<br>Preheat:<br>(Depends on Flux Activation Temperature) (Typical Industry Recommendation)<br>    Temperature Minimum: 100°C<br>    Temperature Maximum: 150°C<br>    Preheat Time: 60-180 seconds<br>Solder Pot Temperature: 260°C Maximum<br>Solder Dwell Time: 2-5 seconds<br>1A 1.25A 1.6A 2A 2.5A3A 3.15A 3.5A 4A 5A 6A 6.3A 7A 8A 10A<br>TIME IN SECONDS<br>**----- End of picture text -----**<br>


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Note: 

Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 

## ~~**Soldering Parameters - Wave Soldering**~~ 

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300<br>280<br>260<br>240<br>220<br>200<br>180<br>160<br>140<br>120<br>100<br>80<br>60<br>40<br>20<br>0<br>Time (Seconds)<br>Preheat Time Cooling Time<br>Dwell Time<br>Temperature (°C) - Measured on bottom side of board 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240<br>**----- End of picture text -----**<br>


## **Recommended Hand-Solder Parameters:** 

Solder Iron Temperature: 350°C +/- 5°C Heating Time: 5 seconds max. 

**Note: These devices are not recommended for IR or Convection Reflow process.** 

## ~~**Packaging**~~ 

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Packaging Option Packaging Specification Quantity Quantity & Packaging Code Taping Width<br>233 Series<br>Bulk N/A 1000 MX N/A<br>Bulk N/A 1000 MXE N/A<br>Reel and Tape EIA 296-E 1000 MRET1 T1=53mm (2.087”)<br>Bulk N/A 1000 MXB N/A<br>**----- End of picture text -----**<br>


© 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/29/19 

**Axial Lead & Cartridge Fuses** 5×20 mm > Medium-Acting > 233 Series 

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Product Characteristics<br>Body: Glass Operating Temperature –55ºC to +125ºC<br>Materials Cap: Nickel–plated brass<br>Leads: Tin–plated Copper MIL-STD-202, Method 107, Test<br>Thermal Shock<br>Terminal Strength MIL-STD-202, Method 211, Test Condition A Condition B: (5 cycles –65ºC to +125ºC)<br>Solderability MIL-STD-202 Method 208 Vibration MIL-STD-202, Method 201<br>Cap 1: Brand logo, current and voltage  MIL-STD-202, Method 103, Test<br>rating Humidity Condition A. high RH (95%) and<br>Product Marking Cap 2: Series and agency approval  elevated temp (40ºC) for 240 hours<br>markings<br>MIL-STD-202, Method 101, Test<br>Available in Bulk (M=1000 pcs/pkg) or on  Salt Spray Condition B<br>Packaging<br>Tape/Reel (MRET1=1000 pcs/reel)<br>Dimensions Part Numbering System<br>0233  000P 0233 xxxx M X P<br>20+0.5<br>5.2+0.1 Series<br>-0.2<br>Amp Code<br>5.1+0.6 5.1+0.6<br>Refer to Amp Code column of<br>0233 000 XEP  Electrical Characteristics Table<br>40±1.0 21.5±1.0 5.5±0.3 Quantity Code<br>M = 1000<br>0.65±0.05* Packaging Code<br>X = Filler<br>All dimensions in mm<br>Notes: * Ratings above 6.3A have 0.8±0.05 diameter lead.  Lead-free<br>**----- End of picture text -----**<br>


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Recommended Accessories<br>Max  Max<br>Accessory<br>Series Description Application  Application<br>Type<br>Voltage Amperage<br>345_ISF Panel Mount Shock-Safe Fuseholder 10<br>Holder 345 Shock-Safe Fuseholder with PC Mount, Solder Mount and Panel Mount options 20<br>830 PC Mount Shock-Safe Miniature Fuseholder 16<br>520 Metric OMNI-BLOK® Fuse Block  10<br>Block 646 PC Mount Miniature Fuse Block  250 6.3<br>658 Surface Mount Miniature Fuse Block  10<br>520_W PC Mount Miniature Fuse Clip  6.3<br>Clip 111 PC Board Mount Fuse Clip  10<br>445 PC Board Mount Fuse Clip  10<br>**----- End of picture text -----**<br>


Notes: 

1. Do not use in applications above rating. 

2. Please refer to fuseholder data sheet for specific re-rating information. 

3. Please contact factory for applications greater than the max voltage and amperage shown. 

**Disclaimer Notice** - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at: www.littelfuse.com/disclaimer-electronics. 

© 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/29/19

Updated at June 4, 2026

Founded in 1927 and headquartered in Chicago, Illinois, Littelfuse is a premier global manufacturer of circuit protection, power control, and sensing technologies. Widely recognized for pioneering the first small, fast-acting protective fuse, the company has grown into an industry leader whose highly reliable components are essential to modern industrial, transportation, and consumer electronics applications worldwide. At the core of the Littelfuse portfolio is an expansive and industry-leading range of circuit protection solutions. This encompasses a massive selection of traditional fuses, fuse holders, and resettable PTC thermistor fuses designed to safely interrupt overcurrent conditions. To defend against electrical overstress, Littelfuse also provides advanced transient voltage suppression (TVS) technologies, including thousands of specialized TVS diodes, TVS varistors, and gas discharge tubes (GDTs) that ensure robust defense against voltage spikes and environmental hazards. Beyond its foundational protection components, Littelfuse manufactures a diverse array of discrete semiconductors, sensors, and switching devices. Engineers rely on their high-performance thyristors, including TRIACs and SCRs, alongside power-efficient Schottky diodes and MOSFETs for demanding power control applications. Complemented by precision proximity sensors and highly reliable reed and solid-state relays, Littelfuse delivers the critical building blocks required for secure, efficient, and complete system design.

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