Image not available
Illustrative purposes only
5ET 3.15-R
CARTRIDGE FUSE, TIME DELAY, 3.15A, 250V
⚠️ 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: Cartridge Fuses
- ; CARTRIDGE FUSE, TIME DELAY, 3.15A, 250V; Blow Characteristic:Time Delay; Fuse Current:3.15A; Voltage Rating VAC:250V; Fuse Size Metric:5mm x 20mm; Fuse Size Imperial:0.2" x 0.79"
- SVHC: No SVHC (10-Jun-2022)
- Fuse Current: 3.15A
- Product Range: 5ET 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: 0
| Delivery and price | |
|---|---|
| Units per pack | 500 |
| Price | 0.261 € |
| Current stock | 10+ |
| Lead time | 22 days |
Type 5ET / 5ETP Time-lag Fuse Series (High Surge-proof, Enhanced-Breaking Capacity) 5ET/5ETP Series, 5x20mm Glass Tube Time-lag Fuse RoHS 2 Compliant ## **Description** 5x20mm Time-lag fuse, high surge-proof, enhanced breaking capacity, glass tube body cartridge fuse designed, approved and complied with IEC 60127-2,standard sheet 6. ## **Features** - Meet IEC standard 60127-2, sheet 6 - 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 |Materials|Body: Glass| |---|---| ||Cap: Nickel Plated Brass Caps| ||Leads : Matte Tin Plated Copper| |Marking|On Fuse :| ||“bel”,”T”,”Current Rating”,“E”,”250V”,| ||”Appropriate SafetyLogos”,” ”(RoHS 2 compliant)| ||On Label :| ||"bel", "5ET”or”5ETP", "Current Rating", "Voltage Rating", "Interrupting Rating",<br>"Appropriate Safety Logos" and "<br>", "<br>"(China RoHS compliant).| ## **Electrical Characteristics** (IEC-127-2 STANDARD SHEET 6) **Safety Agency Approvals** |Rated<br>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| |1A to 12A|1<br>hr.|2<br>min.|600<br>ms|10<br>sec|150<br>ms|3<br>sec|20<br>ms|300<br>ms| In clause 9.2, the test voltage for 5ETP ratings from1A to 6.3A is 63VDC. |Safety<br>Agency|Safety Agency<br>Certificate|Voltage<br>Rating<br>(V)|Ampere Range / Volt<br>@ I.R. ability*| |---|---|---|---| ||1720086<br>1400794|1A-12A /<br>250V AC|1A-6.3A/250V AC@150A<br>8A-12A/250C AV@150A| ||40007746||1A–6.3A / 250V AC@150~~A~~| ||E20624||| ||LR39772||| ||2003010207030342||| |*I.R.= InterruptingRating=Short Circuit Rating(Amps)|||| Specifications subject to change without notice **belfuse.com/circuit-protection** **2** / **4** ## Type 5ET / 5ETP ## **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<br>(-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| |---|---|---|---|---|---|---|---|---|---|---|---|---| |||||||||||||| |5ET(P) 1-R|1A|0.111|0.15|See Table of<br>Safety Approvals<br>on Page 1 for<br>Voltage and<br>associated<br>Interrupting<br>Ratings|28|29|0.42|Y|Y|Y|Y|Y| |5ET(P) 1.25-R|1.25A|0.073|0.13||42|43|0.42|Y|Y|Y|Y|Y| |5ET(P) 1.6-R|1.6A|0.058|0.13||62|64|0.51|Y|Y|Y|Y|Y| |5ET(P) 2-R|2A|0.039|0.12||92|95|0.61|Y|Y|Y|Y|Y| |5ET(P) 2.5-R|2.5A|0.031|0.12||137|142|0.74|Y|Y|Y|Y|Y| |5ET(P) 3.15-R|3.15A|0.023|0.10||203|211|0.90|Y|Y|Y|Y|Y| |5ET(P) 4-R|4A|0.017|0.10||300|313|1.08|Y|Y|Y|Y|Y| |5ET(P) 5-R|5A|0.012|0.09||444|465|1.31|Y|Y|Y|Y|Y| |5ET(P) 6.3-R|6.3A|0.010|0.09||658|691|1.58|Y|Y|Y|Y|Y| |5ET(P) 8-R|8A|0.007|0.09||252|277|3.11||||Y|| |5ET(P) 10-R|10A|0.006|0.08||400|440|3.68||||Y|| |5ET(P) 12-R|12A|0.005|0.08||635|699|4.36||||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 © 2019 Bel Fuse, Inc. Rev. 5ET Jan2019 **3** / **4** ## Type 5ET / 5ETP ## **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** © 2019 Bel Fuse, Inc. Rev. 5ET Jan2019 **4** / **4** ## Type 5ET / 5ETP ## **Fuse FGNO Explanation 0655 R [XXXX] -XX** ## **0655R=5ET/5ETP; [XXXX]=Ampere Rating; XX=See Ordering Information as below** |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| |||12|9120| ## **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|19|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** © 2019 Bel Fuse, Inc. Rev. 5ET Jan2019
Updated at April 15, 2026
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →