429.125WRM [LITTELFUSE]
Electric Fuse, Very Fast Blow, 0.125A, 125VAC, 125VDC, Surface Mount;
| 型号： | 429.125WRM |
| 厂家： | 
LITTELFUSE |
| 描述： | Electric Fuse, Very Fast Blow, 0.125A, 125VAC, 125VDC, Surface Mount 电路保护 |
| 文件： | 总1页 (文件大小：76K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Surface Mount Fuses
Thin-Film Surface Mount
®
RoHS
®
Pb
High Current 1206 Very Fast-Acting Fuse 429 Series
•
•
RoHS compliant and Lead-Free 7A device available-add ‘L’ suffix
to catalog number
For new designs up to 5A please consult the 433 or 466 Series
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
Opening
Time at 25°C
100%
200%
300%
4 hours, Minimum
5 seconds, Maximum
0.2 seconds, Maximum
AGENCY APPROVALS: Recognized under the Components Program
of Underwriters Laboratories and Certified by CSA.
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
INTERRUPTING RATINGS:
RECOMMENDED PAD LAYOUTS
7A
35 amperes at rated voltage, VAC/VDC
3.18
(.125")
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature: –55°C to 90°C. Consult temperature 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.
1.52
1.52
3.81
(.060")
(.060")
(.150")
1.14
(.045")
2.49 (.098")
REF.
1.12
(.044")
REF.
2.03
(.080")
REFLOW SOLDER
1.14
(.045")
Thermal Shock: Withstands 5 cycles of –55° to 125°C.
PHYSICAL SPECIFICATIONS:
.635
(.025")
Materials: Body: Epoxy Substrate
Terminations:
PATENTED
Standard Device: Copper/Nickel/Tin-Lead (95/5)
RoHs Compliant Device: 100% Copper/Nickel/Tin
Cover Coat: Conformal Coating
Average Time Current Curves
10
Soldering Parameters:
100
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, WRM.
Options: For RoHS Compliant and lead-free devices add the letter ‘L’ to
end of packaging suffix. Example: 0429007.WRML (RoHS Compliant 7A,
3,000 per reel).
10
ORDERING INFORMATION:
For Low-Current Designs Use 433 or 466 Series.
1
Nominal
Voltage
Rating
Nominal
Resistance
Cold Ohms1
Catalog
Number
Ampere
Rating
Marking
Code
Melting I2t
(A2 Sec.)2
429.125
429.200
429.250
429.375
429.500
429.750
429 001
429 007
429 007L
0.125
0.200
0.250
0.375
0.500
0.75
1.00
7.0
FB
FC
FD
FE
FF
FG
FH
FU
7
125
125
125
125
63
63
63
24
24
2.30000
0.93800
0.62500
0.37500
0.24050
0.13700
0.09950
0.00925
0.00925
0.00020
0.00055
0.00100
0.00280
0.0060
0.0170
0.035
0.1
3.60
3.60
0.01
7.0
1 Measured at 10% of rated current, 25°C. 2 Measured at rated voltage.
0.001
0.1
1
10
100
CURRENT IN AMPERES
367
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