462 Series Datasheet by Littelfuse Inc.

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© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/07/19
Surface Mount Fuses
NANO2® > 250V/350V VAC/VDC Time Lag Fuse > 462 Series
462 Series Fuse
Description
Agency Approvals
Electrical Characteristics for Series
Features
• Heat resistant plastic
housing, UL 94 V-0
• Designed for line or low
voltage applications
• Low voltage drop
• Internationally approved
• High pulse resistance
• Lead-free -- compatible
with lead-free solders
and higher temperature
profiles
• Available in ratings of
0.5A to 5A
• Halogen-free and RoHS
compliant.
RoHS
% of Amp Rating Opening Time
125% 1 hour, Minimum
200% 2 minutes, Maximum
1000% 10 milliseconds, Minimum
100 milliseconds, Maximum
AGENCY AGENCY FILE NUMBERS AMPERE RANGE
E67006 0.5A - 5A
40022235 1A, 1.6A, 2A, 3.15A, 4A
PS
E
NBK250416-JP1021 1A - 1.6A
JET1896-31007-1005 2A - 5A
CQC14012115883 1.6A
E242325 0.5A - 5A
Electrical Specifications by Item
Ampere
Rating
(A)
Amp
Code
Max
Voltage
Rating
(V)5
Interrupting
Rating
Nominal
Cold
Resistance
(Ohms)1
Nominal
Melting
I2t (A2sec)
Nom
Voltage
Drop
(mV)
Nom
Power
Dissipation
(mW)
Agency Approvals3
PS
E
0.500 0500
250
100A @
350VAC/VDC4
150A @
250VAC/VDC
0.2270 0.43 160 200 X X
0.630 0630 0.1570 0.80 160 200 X X
0.800 0800 0.1300 1.40 160 250 X X
1. 0 0 1100 0.0867 2.70 140 250 X X X X
1.25 1125 0.0602 5.20 130 250 X X X
1.60 1160 0.0443 9.70 130 280 X X X X X
2.00 1200 0.0335 5.44 120 300 X X X X
2.50 1250 0.0278 8.00 120 450 X X X
3.15 1315 0.0204 14.00 110 600 X X X X
4.00 1400 0.0158 21.00 110 800 X X X X
5.00 1500 150A @
250VAC/VDC 0.0124 40.00 110 1000 X X X
1. Cold resistance measured at less than 10% of rated current at 23°C
2. l2t values slated for 8ms opening time
3. Agency Approval Table Key: X = Approved or Certified, P = Pending
4. UL Recognition - IR at 100A @ 350 VAC/VDC
5. Rated at 350VAC/VDC per UL Recognition under UL248 (up to 4A only).
Rated at 250VAC/VDC per VDE under IEC standard 60127-4.
The 462 series Nano2® Surface Mount Fuse has time-lag
current characteristics with interrupting ratings rated at
250V and 350V. It complies with IEC 60127-4 Universal
Modular Fuse-Links.
Applications
• Lighting ballast
• AC/DC adaptor primary
protection
• Transformerless AC/DC
converter circuit
• High DC voltage power
distribution system
If you have special electrical characteristic needs, please contact Littelfuse to discuss application specific options.
PS
E
Specifications are subject to change without notice. Application testing is strongly recommended.
Additional Information
Datasheet Samples
Resources
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© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/07/19
Surface Mount Fuses
NANO2® > 250V/350V VAC/VDC Time Lag Fuse > 462 Series
Average Time Current Curves
1
10
100
1000
10000
100000
TIME IN SECONDS
CURRENT IN AMPERES
0.01
0.1
0.1 110 100
0.001
1.00A
1.25 A
1.60 A
2.00 A
500mA
800mA
630mA
2.50 A
3.15 A
4.00 A
5.00 A
462 Series
Time
Temperature
TP
TL
TS(max)
TS(min)
25
tP
tL
tS
time to peak temperature
(t 25ºC to peak)
Ramp-down
Ramp-up
Preheat
Critical Zone
TL to TP
Soldering Parameters
Temperature Re-rating Curve
Reflow Condition Pb – free assembly
Pre Heat
- Temperature Min (Ts(min))150°C
- Temperature Max (Ts(max))200°C
- Time (Min to Max) (ts)60 – 120 seconds
Average Ramp-up Rate (Liquidus Temp
(TL) to peak) 5°C/second max.
TS(max) to TL - Ramp-up Rate 5°C/second max.
Reflow - Temperature (TL) (Liquidus) 217°C
- Temperature (tL)60 – 90 seconds
Peak Temperature (TP)250+0/-5 °C
Time within 5°C of actual peak
Temperature (tp)20 – 40 seconds
Ramp-down Rate 5°C/second max.
Time 25°C to peak Temperature (TP)8 minutes max.
Note:
1. Rerating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
4—6205000000 H “H TEL
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/07/19
Surface Mount Fuses
NANO2® > 250V/350V VAC/VDC Time Lag Fuse > 462 Series
Materials Body: Plastic UL 94 V-0
Cap: Tin-plated brass
Product Marking Body: Brand Logo, “T” for Time-Lag,
Current Rating, L Voltage Rating, UMF logo
Solderability IEC 60068-2-58
Reistance to
Soldering Heat IEC 60068-2-58
Operating
Temperature –40°C to +85°C with proper derating
Climatic Category IEC60068-1, -2-1, -2-2, -2-78
(–40°C to +85°C / 21 days)
Vibration IEC60068-6 (24 cycles of 15 mins each,
1-60 Hz at 0.75mm amplitute, 60-2000 Hz
at 10g acceleration)
Moisture
Sensitivity Level J-STD-020, Level 1
Product Characteristics
Recommended Pad Layout
4.5 ± 0.210.5 ± 0.2
4.25
2.82.8
1.
41
.4
4.5 ± 0.2
W T 800mA
462 L 250V
462 0 500 0 0 0 0
AMP CODE
0: < 1A
1: > 1A
RESERVE CHARACTER
0: Default
PACKAGING CODE
0: Tape and Reel, 1500 pcs
VARIANT
0: Standard
KIND
0: Standard
AMP RATING
100: 1A
125: 1.25A
160: 1.6A
200: 2A
250: 2.5A
315: 3.15A
400: 4A
500: 500mA, 5A
630: 630mA
800: 800mA
SERIES
Dimensions
Packaging
Part Numbering System
Packaging Option Packaging Specification Quantity Quantity &
Packaging Code
16mm Tape and Reel IEC 60286, part 3 1500 0
Examples:
0.5 amp (500mA) product is
462 0 500 0 0 0 0
5.0 amp product is
462 1 500 0 0 0 0
Please refer to Amp Code column of
the Electrical Specifications table on
the first page of this document.
Disclaimer Notice - Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military,
aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other
application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those
expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any
purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products
used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is
subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. 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.