Cartridge and Axial Lead Fuses
PICO
®
II 250 Volt > Very Fast-Acting > 263 Series
RoHS
263 Series,
PICO
®
II 250 Volt, Very Fast-Acting Fuse
®
PS
E
®
Description
The PICO
®
package.
Features
temperature range
de-rating
Agency Approvals
Agency
®
PS
E
5A)
Applications
Ampere Range
Agency File Number
E10480
JET 1896-31007-1001
®
62mA - 5A
1A - 5A
125mA - 5A
machines
LR 29862
Electrical Characteristics
% of Ampere
Rating
100%
200%
300%
Opening Time
Min.
Max.
Max.
Electrical Characteristics
Ampere
Rating
(A)
0.062
0.125
0.250
0.375
0.500
0.750
1.00
1.50
2.00
2.50
3.00
3.50
4.00
5.00
Max
Voltage
Rating
(V)
250
250
250
250
250
250
250
250
250
250
250
250
250
250
Nominal Cold
Resistance
(Ohms)
5.50
1.75
0.715
0.391
0.252
0.150
0.105
0.0635
0.0444
0.0340
0.0274
0.0224
0.0193
0.0145
Nominal
Melting
I
2
t (A
2
sec)
0.000192
0.00251
0.0165
0.0444
0.1125
0.0411
0.087
0.398
0.74
1.197
1.77
2.33
3.08
5.55
Nom
Voltage Drop
(mV)
0.74
0.3
0.235
0.195
0.17
0.176
0.165
0.148
0.137
0.128
0.1225
0.1175
0.1125
0.1065
Agency Approvals
®
PS
E
®
Amp Code
.062
.125
.250
.375
.500
.750
001.
01.5
002.
02.5
003.
03.5
004.
005.
Interrupting
Rating
50 amperes
at 250 VAC
METI: 100
amperes
at 125 VAC.
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
5
Revised: August 14, 2008
263 Series
Cartridge and Axial Lead Fuses
PICO
®
II 250 Volt > Very Fast-Acting > 263 Series
Temperature Rerating Curve
Average Time Current Curves
3/8A
1/2A
3/4A
1A
1 1/2A
2A
2 1/2A
3A
3 1/2A
4A
5A
1
10
CURRENT IN AMPERES
1/16A
100
10
TIME IN SECONDS
1
0.1
0.01
1/8A
Soldering Parameters
Recommended Process Parameters:
Wave Parameter
Preheat:
Temperature Minimum:
Temperature Maximum:
Preheat Time:
Solder Pot Temperature:
Solder Dwell Time:
100
°
C
150
°
C
60-180 seconds
280
°
C Maximum
2-5 seconds
Lead-Free Recommendation
0.001
0.05 0.1
100
Recommended Hand-Solder Parameters:
Note: These devices are not recommended for IR or
Convection Reflow process.
1/4A
263 Series
6
Revised: August 14, 2008
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
Cartridge and Axial Lead Fuses
PICO
®
II 250 Volt > Very Fast-Acting > 263 Series
Product Characteristics
Body:
Materials
Vibration
Peak)
Solderability
Product Marking
Moisture Sensitivity
Level
Operating
Temperature
Shock
Salt Spray
Insulation Resistance
(After Opening):
Resistance to Soldering
Heat
Thermal Shock
Moisture Resistance
Lead Pull Force
Test Condition B (48 hrs.)
Test Condition C (10 sec. at 260ºC)
Condition B (–55ºC to 125ºC)
Dimensions
62.7 (2.468")
27.78
(1.094")
0.64 (.025")
52.4 (2.062")*
7.11 (.280")
27.78
(1.094")
3.94 (.16")
MAX
Part Numbering System
0263 xxxx W R T1 L
Series
Current Rating
6.35 (.25")
tape
F
L
3 1/2 A
250 V
6.35 (.25")
tape
5.0 (.197")
F
L
Refer to Amp Code column of
Electrical Characteristics Table
3 1/2 A
250 V
Quantity
W = 3000
M = 1000
H = 100
V =5
Type of Packaging
R = Reel
A = Ammo Pack
X = Loose Pack
Lead Length
T1: 52.4mm (2.062”)*
RoHS
Packaging
Packaging Option
T1:
Packaging Specification
EIA 296
Quantity
Quantity &
Packaging Code
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
7
Revised: August 14, 2008
263 Series
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