3030050000 Datasheet, PDF (1/2 Pages) Littelfuse – SUBMINIATURE FUSES

SUBMINIATURE FUSES
No. 303 / TR3
Dimensions (mm)
Ø6
UL 248-14, 125V, F
Time-Current Characteristic
Quick Acting (F)
Standard
UL 248-14
CSA C22.2 No. 248.14
Approvals
UL Listed
CSA Certified
Features
Reduced PCB space requirements
Direct solderable or plug-in versions
Internationally approved
Low internal resistance
Shocksafe casing
Vibration resistant
2,54
Ø 0,6
Holes in PCB
Long Leads (L=18.8mm)
Short Leads (L=4.3mm)
Limits for Pre-arcing Time
Rated Current 2.0 x I_N
50 mA ... 5.00 A
< 60 s
2.0 x I_N
<5s
Specifications
Packaging
000: Tape/Ammopack (1500 pcs.)
013: Long Leads - Bulk (200 pcs.)
042: Short Leads - Bulk (300 pcs.)
Materials
Base/Cap:
Round Pins:
Black Thermoplastic Base
Polyamide PA 6.6, UL 94V0
Brass, nickel-plated Cap
Copper alloy, tin plated
Operating Temperature
-25 ºC to +70 ºC (consider de-rating)
Climatic Category
-25 ºC/+70 ºC/21 days (EN 60068-1,-2-1,-2-2,-78)
Stock Conditions
+10 ºC to +60 ºC
relative humidity ≤ 75 % yearly average,
without dew, maximum value for 30 days-95 %
Vibration Resistance
24 cycles at 15 min. each (EN 60068-6)
10 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10 g acceleration
Lead Pull Strength
10 N (EN 60068-2-21)
Solderability
260 ºC, ≤ 3 s (Wave)
350 ºC, ≤ 1 s (Soldering Iron)
Soldering Heat Resistance
260 ºC, 10 s (IEC 60068-2-20)
Marking
, Voltage Rating, Current Rating, Approvals
Unit Weight
0.40 g (approx.)
Permissible continuous operating current is ≤ 70 % at ambient temperature of 23 ºC (73.4 ºF).
Rated
Current
Amp
Code
Voltage
Rating
Breaking
Capacity
Voltage Drop Power Dissipation Melting Integral
1.0 x I_N
max. (mV)
1.0 x I_N
max. (mW)
10 x I_N
max. (A²s)
Approvals
50mA
0050
63mA
0063
80mA
0080
125V
125V
125V
800
40
780
50
730
60
100mA
0100
125V
125mA
0125
125V
160mA
0160
125V
700
70
650
85
600
100
200mA
0200
125V
550
110
250mA
0250
125V
50A / 125 V AC
500
125
315mA
0315
125V
50-60Hz
450
145
400mA
0400
125V
cos ϕ = 1.0
400
160
500mA
0500
125V
380
190
630mA
0630
125V
160
100
800mA
0800
125V
50A / 63 V DC
155
125
1.00A
1100
125V
150
155
1.25A
1125
125V
145
185
1.60A
1160
125V
2.00A
1200
125V
2.50A
1250
125V
140
225
130
260
125
315
3.15A
1315
125V
4.00A
1400
125V
5.00A
1500
125V
120
380
110
440
105
525
0.00007
0.00013
0.0002
0.0004
0.0022
0.0029
0.0042
0.0082
0.015
0.025
0.042
0.015
0.025
0.039
0.059
0.11
0.17
0.23
0.45
1.0
1.5
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Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
Order
Information
032906
Qty.
Order-
Series Amp Code Packaging
Number
303
In our continuing strategy to deliver unparalleled circuit protection solutions,
technical expertise and application leadership, we proudly introduce the
WICKMANN Group and its products to the Littelfuse portfolio.
Specifications are subject
to change without notice
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