37321000410

**Radial Lead Fuses** TR5[®] > Fast-Acting Fuse > 373 Series 

## 373 Series, TR5 Fuse, Fast Acting 

## **RoH** ~~**S Pb** @ @ @x~~ 

## **Description** 

The TR5[® ] 373 Series fuses are fast–acting 250V rated and designed in accordance to UL 248 –14. 

## ~~**Features**~~ 

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

- Reduced PCB space requirements 

   - Vibration resistant 

- Lead-free, Halogen free 

- • Direct solderable or and RoHS compliant plug-in versions 

   - Available from 0.050A to 10A 

- Internationally approved 

- Low internal resistance 

- Shock safe casing 

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Agency Agency File Number Ampere Range<br>51378 0.050A - 6.3A<br>E67006 0.050A - 10A<br>**----- End of picture text -----**<br>


## ~~**Applications**~~ 

- Battery Chargers 

   - Power supplies 

- Consumer Electronics • Industrial Controllers 

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Electrical Characteristics Additional Information<br>% of Ampere<br>Ampere Rating Opening Time<br>Rating<br>50mA - 6.3A 5 Seconds,  Max.<br>200%<br>8A - 10A 60 Seconds,  Max. Datasheet Resources Samples<br>a<br>Electrical Characteristics<br>Nominal  Voltage Power   Melting  Agency Approvals<br>Amp  Rated  Voltage  Breaking  Cold  Drop Dissipation Integral<br>Code Current Rating Capacity Resistance  1.0×IN 1.0×IN 10×IN ®<br>(Ohms) max.  (mV) max. (mW) max. (A [2] s)<br>0050 a 50mA 250V a 7.6250 1400 70 0.0001 X X<br>0063 a 63mA 250V a 4.6900 1300 85 0.0002 X X<br>0080 ee 80mA eee 250V a 3.6500 1200 es 100 0.0004 X X<br>0100 a 100mA 250V 8.9000 1100 110 0.0013 X X<br>0125 a 125mA 250V a 6.0550 1000 125 0.0019 X X<br>0160 a 160mA 250V eee a 4.1310 es 950 155 0.0040 X X<br>0200 200mA 250V 3.2260 850 170 0.0065 X X<br>0250 a 250mA 250V a 2.2240 750 190 0.0140 X X<br>0315 a 315mA ee 250V a 1.5150 650 205 0.0320 X X<br>0400 rr 400mA 250V eee a 0.2200 Ds 230 95 0.0160 X X<br>0500 a 500mA 250V 0.1570 220 110 0.0250 X X<br>0630 a 630mA 250V 50A@250VAC 0.1180 210 135 0.0450 X X<br>0800 800mA 250V 0.0970 200 160 0.0690 X X<br>ee a<br>1100 a 1.00A eee 250V a 0.0710 190 es 190 0.1250 X X<br>1125 a 1.25A 250V a 0.0665 180 225 0.2000 X X<br>1160 es 1.60A 250V Re 0.0480 170 275 0.3800 X X<br>1200 aa 2.00A 250V 0.0359 160 320 0.6300 X X<br>1250 a 2.50A 250V a 0.0305 150 375 1.2000 X X<br>1315 aa 3.15A 250V 0.0240 140 445 1.9000 X X<br>1400 a 4.00A 250V 0.0185 130 520 3.5000 X X<br>1500 a 5.00A 250V eee a 0.0144 Ds 120 630 6.2000 X X<br>1630 a 6.30A 250V a 0.0133 115 ee 1000 9.1000 X X<br>1800 a 8.00A [1] 250V a 0.0074 120 es 1600 30.0000 X<br>2100 rs 10.00A [1] 250V a 0.0059 110 2000 55.0000 X<br>1 Conducting path cross-section minimum ≥ 0.2mm [2]<br>**----- End of picture text -----**<br>


Notes: 

- 1) 1.00 means the number one with two decimal places. 1,000 means the number one thousand. 

- 2) Resistance is measured at 10% of rated current, 25ºC. 

© 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/03/15 

Application testing is strongly recommended. 

**Radial Lead Fuses** TR5[®] > Fast-Acting Fuse > 373 Series 

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


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Average Time Current Curves<br>100000<br>10000<br>1000<br>100<br>10<br>1<br>0.100<br>0.010<br>0.001<br>0.02 0.100 1 10 100<br>CURRENT IN AMPERES<br>0.050A 0.063A 0.080A 0.100A 0.125A 0.160A 0.200A 0.250A 0.315A 0.400A 0.500A 0.630A 0.800A 1.00A 1.25A 1.60A 2.00A 2.50A 3.15A 4.00A 5.00A 6.30A 8.00A 10.00A<br>TIME IN SECONDS<br>**----- End of picture text -----**<br>


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140<br>120<br>100<br>80<br>60<br>40 23°C<br>20<br>0<br>-40 -20 0 20 40 60 80<br>AMBIENT TEMPERATURE (°C)<br>RATING<br>OF<br>PERCENT<br>**----- End of picture text -----**<br>


Note 

1. 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 Process Parameters:** 

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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>**----- 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.** 

© 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/03/15 

**Radial Lead Fuses** TR5[®] > Fast-Acting Fuse > 373 Series 

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||~~**Product Characteristics**~~|~~**Product Characteristics**~~|||||
|---|---|---|---|---|---|---|
||**Materials**|Base/Cap: Brown Thermoplastic<br>Polyamide PA 6.6, UL 94 V-0||**Operating Temperature**|-40ºC to +85ºC  (consider de-rating)||
||**Lead Pull Strength**|Round Pins: Copper, Tin-plated<br>10 N (IEC 60068-2-21)||**Climatic Category**|-40ºC/+85ºC/21 days<br>(EN 60068-1,-2-1,-2-2,-2-78)<br>+10ºC to +60ºC||
||**Solderability**<br>**Soldering Heat**<br>**Resistance**|260ºC, ≤ 3s. (Wave)<br>350ºC, ≤ 1s. (Soldering Iron)<br>260ºC, 10s. (IEC  60068-2-20)<br>350ºC, 3s. (Soldering Iron)||**Stock Conditions**<br>**Vibration Resistance**|RH ≤ 75% yearly average, without<br>dew, maximum value for 30 days-<br>95%<br>24 cycles at 15 min. each<br>(IEC 60068-2-6)<br>10 - 60 Hz at 0.75 mm amplitude||
||||||60 - 2000 Hz at 10G’s acceleration||



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Part Numbering System<br>373 xxxx 0000<br>Series<br>Amp Code<br>Refer to Amp Code column of<br>Electrical Characteristics Table<br>Packaging Code<br>0000 Tape/Ammopack (1,000 pcs.)<br>0410 Short Leads - Bulk (1,000 pcs.)<br>0430 Short Leads - Bulk (200 pcs.)<br>**----- End of picture text -----**<br>


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Dimensions<br>∅ 8.5<br>∅ 0.6<br>5.08<br>Holes in PCB<br>Long Leads (L=18.8mm)<br>Short Leads (L=4.3mm)<br>max. 8<br>L<br>0.5 min<br>1 +0.1<br>**----- End of picture text -----**<br>


||~~**Packaging**~~||||||
|---|---|---|---|---|---|---|
||Packaging Option|Packaging Specifcation|Quantity|Quantity &<br>Packaging Code|Taping Width||
||**373 Series**||||||
||Tape & Ammopack|N/A|1,000|0000|N/A||
||Short Leads|N/A|1,000|0410|N/A||
||Short Leads|N/A|200|0430|N/A||



© 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/03/15