Littelfuse Axial Lead & Cartridge Fuses User Manual

Littelfuse Axial Lead & Cartridge Fuses

Agency Approvals[

](https://manuals.plus/wp-content/uploads/2022/08 /Littelfuse-Axial-Lead-amp-Cartridge-Fuses-1.png)

Description

The 218 series fuse is a 5x20mm time-lag glass body cartridge fuse designed to IEC specification

Features

•  Designed to International IEC Standards for use globally
•  Meets the IEC 60127-2, Sheet 3 specification for Time-Lag fuses
•  Available in cartridge and axial lead form
•  RoHS compliant and lead-free

Applications

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

Additional Information

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

Electrical Characteristics

150%

| 0.032A – 0.100A| 60 minutes, Minimum
0.125A – 6.3A| 60 minutes, Minimum
8A – 16A| 30 minutes, Minimum

210%

| 0.032A – 0.100A| 120 sec., Maximum
0.125A – 6.3A| 120 sec., Maximum
8A – 16A| 120 sec., Maximum

275%

| 0.032A – 0.100A| 200 ms., Min.; 10 sec. Max.
0.125A – 6.3A| 600 ms., Min.; 10 sec. Max.
8A – 16A| 600 ms., Min.; 10 sec. Max.

400%

| 0.032A – 0.100A| 40 ms., Min.; 3 sec. Max.
0.125A – 6.3A| 150 ms., Min.; 3 sec. Max.
8A – 16A| 150 ms., Min.; 3 sec. Max.

1000%

| 0.032A – 0.100A| 10 ms., Min.; 300 ms. Max.
0.125A – 6.3A| 20 ms., Min.; 300 ms. Max.
8A – 16A| 20 ms., Min.; 300 ms. Max.
Amp Voltage                             Nominal Cold Nominal Maximum Maximum                              Agency Approvals Amp Rating Rating Interrupting                        Resistance     Melting Voltage Drop Power

Code (A)        (V)            Rating              (Ohms)      I 2 t (A 2 sec) **at Rated      Dissipation PS**

E

Current (mV) At 1.5ln(W)

.032| 0.032| 250|

35 A @ 250 VAC

| 48.258| 0.011| 5000| 1.6| –| x| x| –| x| x| x| x| x
.040| 0.04| 250| 31.862| 0.011| 4000| 1.6| –| x| x| –| x| x| x| x| x
.050| 0.05| 250| 21.292| 0.027| 3500| 1.6| –| x| x| –| x| x| x| x| x
.063| 0.063| 250| 14.268| 0.046| 3000| 1.6| –| x| x| –| x| x| x| x| x
.080| 0.08| 250| 9.07| 0.075| 2500| 1.6| x| x| x| –| x| x| x| x| x
.100| 0.1| 250| 6.018| 0.079| 2000| 1.6| x| x| x| –| x| x| x| x| x
.125| 0.125| 250| 4.2| 0.1465| 1900| 1.6| x| x| x| –| x| x| x| x| x
.160| 0.16| 250| 3.7| 0.144| 1500| 1.6| x| x| x| –| x| x| x| x| x
.200| 0.2| 250| 1.6| 0.341| 1300| 1.6| x| x| x| –| x| x| x| x| x
.250| 0.25| 250| 1.0495| 0.5405| 1100| 1.6| x| x| x| –| x| x| x| x| x
.315| 0.315| 250| 0.8475| 1.11| 1000| 1.6| x| x| x| –| x| x| x| x| x
.400| 0.4| 250| 0.535| 1.325| 900| 1.6| x| x| x| –| x| x| x| x| x
.500| 0.5| 250| 0.37| 2.825| 300| 1.6| x| x| x| –| x| x| x| x| x
.630| 0.63| 250| 0.275| 4.675| 250| 1.6| x| x| x| –| x| x| x| x| x
.800| 0.8| 250| 0.0813| 3.37| 150| 1.6| x| x| x| –| x| x| x| x| x
001.| 1| 250| 0.0613| 6.73| 150| 1.6| x| x| x| x| x| x| x| x| x
1.25| 1.25| 250| 0.0446| 12.65| 150| 1.6| x| x| x| x| x| x| x| x| x
01.6| 1.6| 250| 0.0336| 23.35| 150| 1.6| x| x| x| x| x| x| x| x| x
002.| 2| 250| 0.0293| 14.45| 150| 1.6| x| x| x| x| x| x| x| x| x
02.5| 2.5| 250| 0.0219| 23.25| 120| 1.6| x| x| x| x| x| x| x| x| x
3.15| 3.15| 250| 0.0173| 38.15| 100| 1.6| x| x| x| x| x| x| x| x| x
004.| 4| 250| 40 A @ 250 VAC| 0.0129| 69.1| 100| 1.6| x| x| x| x| x| x| x| x| x
005.| 5| 250| 50 A @ 250 VAC| 0.0104| 111.0| 100| 1.6| x| x| x| x| x| x| x| x| x
06.3| 6.3| 250| 63 A @ 250 VAC| 0.0076| 198.5| 100| 1.6| x| x| x| x| x| x| x| x| x
008.| 8| 250| 80 A @ 250 VAC| 0.0059| 341.5| 100| 4| –| x| –| x| x| x| –| x| x
010.| 10| 250| 100 A @ 250 VAC| 0.0045| 568.0| 100| 4| –| x| –| x| x| x| –| x| x
12.5| 12.5| 250| 63 A @ 250 VAC| 0.0034| 889.0| 100| 4| –| –| –| x| x| –| –| x| –
015.| 15| 250| 100 A @ 250 VAC| 0.0028| 1405.00| 100| 4| –| –| –| x| x| x| –| x| x*
016.| 16| 250| 63 A @ 250 VAC| 0.0021| 1955.00| 100| 4| –| –| –| –| x| –| –| x| –

Temperature Re-rating Curve

Average Time Current Curves

Soldering Parameters – Wave Soldering

Recommended Process Parameters:

Preheat:

(Depends on Flux Activation Temperature)

| ****

(Typical Industry Recommendation)

Temperature Minimum:| 100°C
Temperature Maximum:| 150°C
Preheat Time:| 60-180 seconds
Solder Pot Temperature:| 260°C Maximum
Solder Dwell Time:| 2-5 seconds

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.

Product Characteristics

Material

| Body: Glass

Cap: Nickel–plated Brass

Leads: Tin–plated Copper

---|---
Terminal Strength| MIL-STD-202, Method 211, Test Condition A
Solderability| MIL-STD-202, Method 208

Product Marking

| Cap1: Brand logo, current and voltage ratings

Cap2: Agency approval marks

Packaging| Available in Bulk (M=1000 pcs/pkg) or on Tape/Reel (MRET1=1000 pcs/reel)
Operating Temperature| –55ºC to +125ºC
---|---
Thermal Shock| MIL-STD-202, Method 107, Test Condition B (5 cycles, –65°C to +125°C)
Vibration| MIL-STD-202, Method 201

Humidity

| MIL-STD-202, Method 103, Test Condition A (High RH (95%) and elevated temperature (40°C) for 240 hours)
Salt Spray| MIL-STD-202, Method 101, Test Condition B

**Dimensions[

](https://manuals.plus/wp-content/uploads/2022/08 /Littelfuse-Axial-Lead-amp-Cartridge-Fuses-6.png)**

Part Numbering System

Packaging

Packaging Option| Packaging Specification| Quantity| Quantity & Packaging Code| Taping Width
---|---|---|---|---
218 Series
Bulk| N/A| 1000| MX| N/A
Bulk| N/A| 1000| MXE| N/A
Reel and Tape| EIA 296-E| 1000| MRET1| T1=53mm (2.087”)
Bulk| N/A| 1000| MXG| N/A
Bulk| N/A| 1000| MXB| N/A
Bulk| N/A| 100| HX| N/A

Recommended Accessories

Accessory Type| Series| Description| Max Application Voltage| Max Application Amperage
---|---|---|---|---

Holder

| _345ISF| Panel Mount Shock-Safe Fuseholder| ****

250

| 20
345| Shock-Safe Fuseholder with PC Mount, Solder Mount and Panel Mount options| 20
830| PC Mount Shock-Safe Miniature Fuseholder| 16

Block

| 520| Metric OMNI-BLOK® Fuse Block| 10
646| PC Mount Miniature Fuse Block| 6.3
658| Surface Mount Miniature Fuse Block| 10

Clip

| _520W| PC Mount Miniature Fuse Clip| 6.3
111| PC Board Mount Fuse Clip| 10
445| PC Board Mount Fuse Clip| 10

Notes:

•  Do not use in applications above rating.
•  Please refer to fuse holder data sheet for specific re-rating information.
•  Please contact the factory for applications greater than the max voltage and amperage is shown.

Disclaimer Notice –

The 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

References

• Product Disclaimer - Littelfuse

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