429002WR PDF预览

429002WR

更新时间: 2025-07-22 14:39:35
品牌 Logo 应用领域
力特 - LITTELFUSE 电路保护
页数 文件大小 规格书
1页 121K
描述
Electric Fuse, Very Fast Blow, 2A, 63VAC, 63VDC, 50A (IR), Surface Mount

429002WR 技术参数

生命周期:ObsoleteReach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8536.10.00.40
风险等级:5.64其他特性:RATED BREAKING CAPACITY AT 63 VDC: 50 A
熔断特性:VERY FAST主体宽度:1.52 mm
主体高度:1.14 mm主体长度或直径:3.18 mm
电路保护类型:ELECTRIC FUSEJESD-609代码:e0
焦耳积分标称:安装特点:SURFACE MOUNT
最高工作温度:90 °C最低工作温度:-55 °C
包装方法:TAPE AND REEL物理尺寸:3.18mm x 1.52mm x 1.14mm
额定分断能力:50 A额定电流:2 A
额定电压(交流):63 V额定电压(直流):63 V
参考标准:CSA; UL表面贴装:YES
端子面层:TIN LEAD OVER NICKEL端子形状:WRAPAROUND
Base Number Matches:1

429002WR 数据手册

  
Surface Mount Fuses  
Thin-Film Surface Mount  
®
®
1206 Very Fast-Acting Fuse 429 Series  
For new designs please consult the 433 or 466 Series on pages 258-260.  
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:  
0.125 3A  
4 7A  
50 amperes at rated voltage, VAC/VDC  
35 amperes at rated voltage, VAC/VDC  
RECOMMENDED PAD LAYOUTS  
3.18  
(.125")  
ENVIRONMENTAL SPECIFICATIONS:  
Operating Temperature: 55°C to 90°C. Consult temperature rerat-  
ing chart on page 4. For operation above 90°C contact Littelfuse.  
Vibration: Withstands 1055 Hz per MIL-STD-202F,  
Method 201A and 10-2000 Hz at 20 Gs 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  
2.03  
(.080")  
(.044")  
REF.  
REFLOW SOLDER  
1.14  
(.045")  
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  
.635  
(.025")  
Soldering Parameters:  
Average Time Current Curves  
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.  
100  
PATENTED  
ORDERING INFORMATION:  
For New Designs Use 433 or 466 Series.  
10  
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 1.25  
429 01.5  
429 1.75  
429 002  
429 02.5  
429 003  
429 004  
429 005  
429 007  
0.125  
0.200  
0.250  
0.375  
0.500  
0.75  
1.00  
1.25  
1.50  
1.75  
2.0  
FB  
FC  
FD  
FE  
FF  
FG  
FH  
FJ  
125  
125  
125  
125  
63  
63  
63  
63  
63  
63  
63  
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  
0.01926  
0.01375  
0.00925  
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  
1.50  
1
0.1  
0.01  
FK  
FL  
FN  
FO  
FP  
FS  
FT  
FU  
2.5  
3.0  
4.0  
5.0  
32  
32  
24  
24  
2.70  
3.60  
7.0  
24  
1 Measured at 10% of rated current, 25°C.  
2 Measured at rated voltage.  
0.001  
0.1  
1
10  
100  
CURRENT IN AMPERES  
364  
www. littelfuse. com  

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