參數(shù)資料
型號(hào)： 429004RA000
英文描述： FUSE SMD VERY FAST 4.0A
中文描述： 貼片保險(xiǎn)絲特快速4.0a上
文件頁(yè)數(shù)： 1/1頁(yè)
文件大?。?/td> 66K
代理商： 429004RA000
33
SURFACEMOUNTFUSES
THIN-FILM SURFACE MOUNT
1206
Very Fast-Acting Thin-Film Type 429 Series
For new designs below 4A please consult the 433 Series
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
100%
200%
300%
Opening
Time at 25
°
C
4 hours,
Min
imum
5 seconds,
Max
imum
0.2 seconds,
Max
imum
AGENCY APPROVALS:
Recognized under the
Components Program of Underwriters Laboratories and
Certified by CSA.
AGENCY FILE NUMBERS:
UL E10480, CSA LR 29862.
INTERRUPTING RATINGS:
0.125 – 3A
50 amperes at rated voltage, VAC/VDC
4 – 7A
35 amperes at rated voltage, VAC/VDC
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature:
–55°C to 90°C. Consult tempera-
ture rerating chart on page 4. For operation above 90°C
contact Littelfuse.
Vibration:
Withstands 10–55 Hz per MIL-STD-202F,
Method 201A and 10-2000 Hz at 20 G’s per MIL-STD-202F,
Method 204D, Condition D.
Insulation Resistance (After Opening):
Greater than 10 KOhm.
Resistance to Soldering Heat:
Withstands 60 seconds
above 200°C up to 260°C, maximum.
Thermal Shock:
Withstands 5 cycles of –55° to 125°C.
PHYSICAL SPECIFICATIONS:
Materials:
Body: Epoxy Substrate
Terminations: Copper/Nickel/Tin-Lead (95/5)
Cover Coat: Conformal Coating
Soldering Parameters:
Reflow Solder — 260°C, 30 seconds maximum
PACKAGING SPECIFICATIONS:
8mm Tape and Reel
per EIA-RS481-1 (IEC 286, part 3); 3,000 per reel, add
packaging suffix, WR.
PATENTED
ORDERING INFORMATION:
.
A
.
A
.
A
.
A
.
A
1
A
1
A
1
A
1
A
2
A
2
A
3
A
4
A
5
A
7
A
T
CURRENT IN AMPERES
0.01
0.1
0.1
1
1
10
100
10
100
.
0.001
Average Time Current Curves
REFLOW SOLDER
RECOMMENDED PAD LAYOUTS
3.81
(.150")
1.52
(.060")
1.14
(.045")
2.03
(.080")
.635
(.025")
1.14
(.045")
2.49 (.098")
REF.
1.52
(.060")
3.18
(.125")
1.12
(.044")
REF.
Nominal
Voltage
Rating
125
125
125
125
63
63
63
63
63
63
63
32
32
Nominal
Resistance
Cold Ohms
1
2.30000
0.93800
0.62500
0.37500
0.24050
0.13700
0.09950
0.07475
0.06250
0.05000
0.03975
0.03065
0.02625
Catalog
Number
429
.125
429
.200
429
.250
429
.375
429
.500
429
.750
429
001
429
1.25
429
01.5
429
1.75
429
002
429
02.5
429
003
Ampere
Rating
0.125
0.200
0.250
0.375
0.500
0.75
1.00
1.25
1.50
1.75
2.0
2.5
3.0
For New Designs Below 4A Use 433 Series.
Marking
Code
FB
FC
FD
FE
FF
FG
FH
FJ
FK
FL
FN
FO
FP
Melting I
2
t
(A
2
Sec.)
2
0.00020
0.00055
0.00100
0.00280
0.0060
0.0170
0.035
0.065
0.125
0.150
0.230
0.500
0.700
429
004
429
005
429
007
4.0
5.0
7.0
FS
FT
FU
24
24
24
0.01926
0.01375
0.00925
1.50
2.70
3.60
1
Measured at 10% of rated current, 25
°
C.
2
Measured at rated voltage.
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參數(shù)描述
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