Littelfuse 0466.750NR

Cross Number:

Item Description: FUSE BOARD MOUNT 750MA 63VAC/VDC

Qty Price
1 - 909 $0.27482
910 - 2,331 $0.21445
2,332 - 5,336 $0.18738
5,337 - 11,041 $0.18113
11,042 + $0.16240


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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

29
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Surface Mount Fuses
Thin Film > 1206 Size > Very Fast-Acting > 466 Series
466 Series
466 Series
Please refer to www.littelfuse.com/series/466.html for current information.
466 Series Fuse
Description
The 466 Series Fast-Acting Surface Mount Fuse (SMF)
is a small (1206 size) thin-lm device designed for
secondary protection of circuits used in space constrained
applications such as hand-held portable electronic devices.
This series is 100% lead-free and meets the requirements
of the RoHS directive. New Halogen-Free 466 Series
fuses are available to order using the “HF” sufx. See Part
Numbering section for additional information.
Agency Approvals
AGENCY AGENCY FILE NUMBER AMPERE RANGE
E10480 125mA - 5A
LR29862 125mA - 5A
Features
Electrical Characteristics for Series
• Productiscompatible
with lead-free solders
and higher temperature
proles
• Productismarkedon
top surface with code to
allow amperage rating
identication without
testing
• Lowproleforheight
sensitive applications
• Flattopsurfaceforpick-
and-place operations
• Element-coveringmaterial
is resistant to industry
standard cleaning
operations
• Mountingpadand
electrical performance are
identicaltoLittelfuse429
and 433 Series products
• Alloy-basedelement
construction provides
superior inrush withstand
characteristics (I
2
t) over
ceramic or glass-based
1206 chip fuse products
% of Ampere
Rating
Opening Time at 25
O
C
100% 4 hours, Minimum
200% 5 sec., Maximum
300% 0.2 sec., Maximum
Applications
Ampere
Rating
(A)
Amp
Code
Max
Voltage Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
sec)
Nom
Voltage Drop
(mV)
Nom Power
Dissipation
(W)
Agency Approvals
0.125 .125 125
50A @125 V AC/
DC
4.000 0.00040 552.66 0.0691 x x
0.200 .200 125 1.160 0.00055 254.28 0.0509 x x
0.250 .250 125 0.710 0.0010 207.01 0.0518 x x
0.375 .375 125 0.350 0.0028 169.18 0.0634 x x
0.500 .500 63
50A @63 V AC/DC
0.248 0.0060 158.47 0.0792 x x
0.750 .750 63 0.111 0.0276 98.65 0.0740 x x
1.00 0 01. 63 0.076 0.0423 89.94 0.0899 x x
1.25 1.25 63 0.059 0.0640 85.71 0.1071 x x
1.50 01.5 63 0.048 0.1103 82.97 0.1244 x x
1.75 1.75 63 0.039 0.1323 80.73 0.1413 x x
2.00 002. 63 0.031 0.2326 78.73 0.1575 x x
2.50 02.5 32
50A @32 V AC/DC
0.024 0.3516 76.99 0.1925 x x
3.00 003. 32 0.020 0.5760 75.99 0.2280 x x
4.00 004. 32 0.014 1.024 74.50 0.2980 x x
5.00 005. 32 0.011 1.600 73.75 0.3688 x x
Electrical Specications by Item
1. Measured at 10% of rated current, 25ºC.
2. Measured at rated voltage.
• Cellphones
• Batterypacks
• Digitalcameras
• DVDplayers
• Harddiskdrives
Secondary protection for space constrained applications:
Revised: Jun 16, 2011
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
30
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Surface Mount Fuses
Thin Film > 1206 Size > Very Fast-Acting > 466 Series
466 Series
Please refer to www.littelfuse.com/series/466.html for current information.
Average Time Current Curves
TIME IN SECONDS
CURRENT IN AMPERES
0.01
0.1
0.1
1
1
10
100
10 100
0.001
4A
3A
2 1/2A
2A
1 3/4A
1 1/2A
1 1/4A
1A
3/4A
1/2A
3/8A
1/4A
1/8A
5A
Reow Condition Pb – free assembly
Pre Heat
- Temperature Min (T
s(min)
) 150°C
- Temperature Max (T
s(max)
) 200°C
- Time (Min to Max) (t
s
) 60 – 180 seconds
Average Ramp-up Rate (Liquidus Temp
(T
L
) to peak)
5°C/second max.
T
S(max)
to T
L
- Ramp-up Rate 5°C/second max.
Reow
- Temperature (T
L
) (Liquidus) 217°C
- Temperature (t
L
) 60 – 150 seconds
Peak Temperature (T
P
) 250
+0/-5
°C
Time within 5°C of actual peak
Temperature (t
p
)
20 – 40 seconds
Ramp-down Rate 5°C/second max.
Time 25°C to peak Temperature (T
P
) 8 minutes max.
Do not exceed 260°C
Soldering Parameters
Temperature Rerating Curve
Wave Soldering 260°C, 10 seconds max.
Note:
1. Rerating depicted in this curve is in addition to the standard rerating of 25% for
continuous operation.
Example:
For continuous operation at 70 degrees celsius, the fuse should be rerated as follows:
I = (0.75)(0.80)I
RAT
= (0.60)I
RAT
2. The temperature derating curve represents the nominal conditions. For questions
abouttemperaturederatingcurve,pleaseconsultLittelfusetechnicalsupportfor
assistance.
Time
Temperature
T
P
T
L
T
S(max)
T
S(min)
25
t
P
t
L
t
S
time to peak temperature
(t 25ºC to peak)
Ramp-down
Ramp-up
Preheat
Critical Zone
T
L
to T
P
31
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Surface Mount Fuses
Thin Film > 1206 Size > Very Fast-Acting > 466 Series
466 Series
466 Series
Please refer to www.littelfuse.com/series/466.html for current information.
Dimensions
2.03
(.080")
2.03
(.080")
WAVE SOLDER REFLOW SOLDER
3.81
(.150")
1.52
(.060")
0.584 ± 0.076
(0.023" ± 0.003")
0.559 ± 0.127
(0.022" ± 0.005")
0.660 ± 0.127
(0.026" ± 0.005")
1.14
(.045")
MARKING CODE VARIES
WITH AMPERAGE RATING
(SEE CHART)
3.175 ± 0.127
(0.125" ± 0.005")
3.175 ± 0.127
(0.125" ± 0.005")
4.83
(.190")
1.65
(.065")
1.52
(.060")
Sn
Sn
Sn
Cu
Coating
1.524 ± 0.127
(0.060" ± 0.005")
Packaging
Part Numbering System
Materials
Body: Advanced High Temperature Substrate
Terminations:100%TinoverNickelover
Copper
Element Cover Coat: Conformal Coating
Operating
Temperature
– 55
O
Cto90
O
C.
Consult temperature rerating curve chart.
Thermal Shock Withstands 5 cycles of –55
O
C to 125
O
C
Humidity MIL-STD-202F,Method103B,ConditionD
Product Characteristics
Vibration PerMIL-STD-202F,Method201A
Insulation Resistance
(After Opening)
Greater than 10,000 ohms
Resistance to
Soldering Heat
MIL-STD-202G,Method210F,
Condition D
Part Marking System
Packaging Option Packaging Specication Quantity
Quantity &
Packaging Code
8mm Tape and Reel EIA-481Rev.D(IEC60286,part3) 5000 NR
Amp
Code
Marking
Code
.125 B
.200 C
.250 D
.375 E
.500 F
.750 G
001. H
1.25 J
01.5 K
1.75 L
002. N
02.5 O
003. P
004. S
005. T
0466002.NRHF
SERIES
AMP Code
‘HF’ SUFFIX
HALOGEN FREE ITEM
QUANTITY Code
Refer to Amp Code column in the
ElectricalSpecicationstable.
ThedotispoisitionedbeforethePack-
aging Sufx with whole ratings and
within the numbering sequence for
fractional ratings.
N = 5000 pcs
PACKAGING Code
R = Tape and Reel
Example:
.125 amp product is
0466.125 NR HF
(2 amp product shown
above).

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Santa Fe Springs, CA 90670

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