# CARTRIDGE FUSE, TIME DELAY, 8A, 250V

![Product image](https://novapart.co/image/farnell:2844486/)

**URL**: https://novapart.co/products/5HT%208-R/cartridge-fuse-time-delay-8a-250v
**SKU**: 5HT 8-R
**Manufacturer**: BEL FUSE
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || Cartridge Fuses
**Price**: €0.2460
**Stock**: 500+
**Lead Time**: 102 days (indicative)

## Description

Blow Characteristic:Time Delay; Fuse Current:8A; Voltage Rating VAC:250V; Fuse Size Metric:5mm x 20mm; Fuse Size Imperial:0.2" x 0.79"; Product Range:5HT Series; Cartridge Fuse Mater

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (21-Jan-2025) |
| Fuse Current | 8A |
| Product Range | 5HT Series |
| Fuse Size Metric | 5mm x 20mm |
| Fuse Size Imperial | 0.2" x 0.79" |
| Voltage Rating Vac | 250V |
| Blow Characteristic | Time Delay |
| Breaking Capacity Current Ac | 1.5kA |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2844486/)

## Type 5HT / 5HTP Time-lag Fuse Series (High -Breaking Capacity) 

5HT/5HTP Series, 5x20mm Ceramic Tube Time-Lag Fuse 

RoHS 2 Compliant 

## **Description** 

5x20mm Time-Lag surge withstand, high breaking capacity, ceramic body cartridge fuse designed, approved and complied with IEC 60127-2,standard sheet 5. 

## **Features** 

- High breaking capacity (250V ac @1500A) 

- Meet IEC standard 60127-2, sheet 5 

- Wide operating temperature range 

- Bulk and Tape & Reel packing available 

- RoHS 2 compliant 

- Halogen Free 

- Lead Free 

## **Applications** 

Provide individual protection for components or internal circuits. 

- Power supplies 

- Battery charger 

- Monitor LEAD FREE = - Adapter HALOGEN FREE = **Physical Specifications** Body : Ceramic Materials Cap : Nickel Plated Brass Caps Leads : Matte Tin Plated Copper ~~——_______~~ On Fuse : “bel”, ”T”, ”Current Rating”, “H”,”250V”, ”Appropriate Safety Logos”, ”  ” （ RoHS 2 compliant ） Marking On Label : "bel", "5HT”or”5HTP", "Current Rating", "Voltage Rating", "Interrupting Rating", "Appropriate Safety Logos" and " ", " "(China RoHS compliant). ~~—~~ 

|Rated Current|1.5 In|2.1 In|2.75 In|2.75 In|4 In|4 In|10 In|10 In|
|---|---|---|---|---|---|---|---|---|
||MIN|MAX|MIN|MAX|MIN|MAX|MIN|MAX|
|100mA to 3.15A|1|30|1|80|95|5|10|100|
|4A to above|1|30|1|80|150|5|20|100|
||hr.|min.|sec|sec|ms|sec|ms|ms|



In clause 9.2, the test voltage for 5HTP ratings from 1A to 6.3A is 63VDC. 

**Safety Agency Approvals** 

|Safety<br>Agency|Safety Agency<br>Certificate|Voltage Rating<br>(V)|Ampere Range / Volt<br>@ I.R. ability*|
|---|---|---|---|
||1410140|250mA-10A<br>/250V AC|1A-6.3A/250V AC@1500A|
||40000505||1A-10A/250V AC@1500A|
||E20624||250mA-6.3A/600V AC@150A<br>250mA-10A/250V AC@1,500A|
||LR39772||250mA-10A/250V AC@1,500A|
||JET1037-31003-1008<br>JET1037-31003-1009||1A-5A/250V AC@1500A|
||2002010207021531||250mA-6.3A/250V AC@1,500A|
||CQC18012185697||8A-10A/250V AC@1,500A|
|*I.R.= InterruptingRating=Short Circuit Rating(Amps)||||



Specifications subject to change without notice 

**belfuse.com/circuit-protection** 

**2** / **4** 

## Type 5HT / 5HTP 

## **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 B<br>(After Opening) 100,000 ohms minimum.|
|Solderability|MIL-STD-202G, Method 208H|
|Resistance to solder Heat|MIL-STD-202G, Method 210F, Test Condition B. (260+/-5℃,10+/-1 sec)|
|Thermal Shock|MIL-STD-202G, Method 107G, Test Condition B (-65℃to +125℃).|
|Operating Temperature|-55℃to +125℃|
|Terminal Strength|IEC-68-2-21|



## **Electrical Specifications** 

|Catalog<br>Number|Ampere<br>Rating|Typical Cold<br>Resistance<br>(ohms)|Volt-drop<br>@100%In<br>(Volt) max.|Voltage and<br>Interrupting<br>Ratings|Melting I²T<br><10 mSec<br>(A² Sec)|Melting I²T<br>@10 In<br>(A² Sec)|Maximum<br>Power<br>Dissipation<br>(W)|Agency Approvals|Agency Approvals|Agency Approvals|Agency Approvals|Agency Approvals|Agency Approvals|Agency Approvals|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
||||||||||||||||
|5HT(P) 250-R|250mA|3.41|1.16|See Table of<br>Safety Approvals<br>on Page 1 for<br>Voltage and<br>associated<br>Interrupting<br>Ratings|0.10|0.12|0.34|Y|Y|Y|||||
|5HT(P) 315-R|315mA|2.08|0.90||0.18|0.22|0.38|Y|Y|Y|||||
|5HT(P) 400-R|400mA|1.47|0.73||0.28|0.34|0.41|Y|Y|Y|||||
|5HT(P) 500-R|500mA|1.03|0.66||0.46|0.58|0.48|Y|Y|Y|||||
|5HT(P) 630-R|630mA|0.63|0.51||0.70|0.90|0.55|Y|Y|Y|||||
|5HT(P) 800-R|800mA|0.39|0.40||1.1|1.5|0.64|Y|Y|Y|||||
|5HT(P) 1-R|1A|0.20|0.25||1.7|1.7|0.73|Y|Y|Y||Y|Y|Y|
|5HT(P) 1.25-R|1.25A|0.14|0.24||3|3|0.81|Y|Y|Y||Y|Y|Y|
|5HT(P) 1.6-R|1.6A|0.095|0.19||5|6|0.91|Y|Y|Y||Y|Y|Y|
|5HT(P) 2-R|2A|0.069|0.18||10|11|1.00|Y|Y|Y||Y|Y|Y|
|5HT(P) 2.5-R|2.5A|0.047|0.16||17|20|1.10|Y|Y|Y||Y|Y|Y|
|5HT(P) 3.15-R|3.15A|0.031|0.13||31|38|1.20|Y|Y|Y||Y|Y|Y|
|5HT(P) 4-R|4A|0.020|0.10||56|69|1.40|Y|Y|Y||Y|Y|Y|
|5HT(P) 5-R|5A|0.015|0.10||101|128|1.50|Y|Y|Y||Y|Y|Y|
|5HT(P) 6.3-R|6.3A|0.012|0.10||181|237|1.70|Y|Y|Y||Y|Y||
|5HT(P) 8-R|8A|0.008|0.09||330|439|2.70|Y|Y||Y||Y||
|5HT(P) 10-R|10A|0.007|0.09||601|812|2.90|Y|Y||Y||Y||



Consult manufacturer for other ratings 

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 

© 2018 Bel Fuse, Inc. 

Rev. 5HT Dec2018 

**3** / **4** 

## Type 5HT / 5HTP 

## **Temperature Derating Curve** 

## **Average Time Current Curve** 

## **Soldering Parameters** 

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



Specifications subject to change without notice 

**Bel Fuse Inc.** 206 Van Vorst Street Jersey City, NJ 07302 USA 

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

© 2018 Bel Fuse, Inc. 

Rev. 5HT Dec2018 

**4** / **4** 

## Type 5HT / 5HTP 

## **Fuse FGNO Explanation 0659 R [XXXX] -XX 0659R=5HT/5HTP; [XXXX]=Ampere Rating; XX=See Ordering Information as below** 

|Fraction|Decimal|Milliamps|Bel FGNO[XXXX]|
|---|---|---|---|
|1/4|0.250|250|0250|
||.315|315|0315|
|4/10|.400|400|0400|
|1/2|.500|500|0500|
||.630|630|0630|
|8/10|.800|800|0800|



|Fraction|Decimal|Amps|Bel FGNO[XXXX]|
|---|---|---|---|
||1.0|1|1000|
|1-1/4|1.25|1.25|1250|
||1.60|1.6|1600|
||2.0|2|2000|
|2-1/2|2.5|2.5|2500|
||3.15|3.15|3150|
||4.0|4|4000|
||5.0|5|5000|
||6.3|6.3|6300|
||8.0|8|8000|
|||10|9100|



## **Mechanical Dimensions** 

## **Ordering Information** 

*Ratings 6.3A and less have 0.032'' diameter lead; 

*Ratings 8A and above have 0.040'' diameter lead. 

## **Packaging** 

|Packaging Option|Packaging Specification|Quantity|Packaging Code|Inside Tape Spacing|
|---|---|---|---|---|
|Bulk|N/A|1000|12|N/A|
|Bulk (Pigtail Type)|N/A|1000|13|N/A|
|Tape & Reel,10mm Pitch|EIA-296-F|1500|16|63|



Specifications subject to change without notice 

**Bel Fuse Inc.** 206 Van Vorst Street Jersey City, NJ 07302 USA 

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

© 2018 Bel Fuse, Inc. 

Rev. 5HT Dec2018 



## Links

- [View this product on Novapart](https://novapart.co/products/5HT%208-R/cartridge-fuse-time-delay-8a-250v)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/bel-fuse/5ht-8-r/cartridge-fuse-time-delay-8a-250v/dp/2844486)
---

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