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參數資料
型號: 0501020.WRT
元件分類: 保險絲
英文描述: FAST BLOW ELECTRIC FUSE, 20A, 32VDC, 150A (IR), SURFACE MOUNT
封裝: HALOGEN FREE AND ROHS COMPLIANT
文件頁數: 1/3頁
文件大小: 541K
代理商: 0501020.WRT
25
2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
501 Series
Ceramic Fuse > 501 Series
Please refer to www.littelfuse.com/series/501.html for current information.
501
Series
501 Series – High Current 1206 Fast-Acting Fuse
Description
The 501 Series is a 100% Lead-free, RoHS compliant and
Halogen-free fuse series designed specifically to provide
over- current protection to circuits that operate under high
working ambient temperature up to 150°C.
The general design ensures excellent temperature stability
and performance reliability.
The high I2t values which is typical in the Littelfuse
Ceramic Fuse family, ensure high inrush current withstand
capability.
Agency Approvals
Agency
Agency File number
Ampere rAnge
e10480
10A - 20A
lr29862
10A - 20A
Features
OperatingTemperature
from -55C to +150C
Designedtoprovide
over-current protection
in high current voltage
regulator module (VRM)
applications
100%Lead-free,RoHS
compliant and Halogen-
free
Suitableforbothleaded
and lead-free reflow /
wave soldering
Electrical Characteristics for Series
% of Ampere
rating
Ampere rating
OpeningTime at 25c
100%
10A – 20A
4 Hours, Minimum
350%
10A – 20A
5 Seconds, Maximum
Applications
VoltageRegulator
Module (VRM)
Equipment
NotebookPC
DC-DCConverter
Ampere
rating
(A)
Amp
code
max. Voltage
rating
(V)
interrupting
rating
(Dc)1
nominal
resistance
(Ohms)2
nominal
melting i2T
(A2Sec.)3
nominal Voltage
Drop At rated
current (V)4
nominal power
Dissipation At
rated current (W)
Agency Approvals
10
010.
32
150A@32VDC
0.00427
10.385
0.05679
0.5679
x
12
012.
32
0.00321
20.341
0.04891
0.5870
x
15
015.
32
0.00250
36.100
0.04605
0.6908
x
20
020.
32
0.00200
54.760
0.05936
1.1871
x
Electrical Specifications by Item
Notes:
1. DCInterruptingRatingtestedatratedvoltagewithtimeconstant<0.5msec.
2.NominalResistancemeasuredwith<10%ratedcurrent.
3.NominalMeltingI2t measured at 1 msec. opening time. For other I2t data refer to chart.
4.NominalVoltageDropmeasuredatratedcurrentaftertemperaturehasstabilizedand
withfusemountedonboardwith3-ozCutrace.
Devicesdesignedtocarryratedcurrentfor4hoursminimum.Itisrecommendedthat
devices be operated continuously at no more than 80% rated current. See “Temperature
Rerating Curve”for additional rerating information.
Devicesdesignedtobemountedwithmarkingcodefacingup.
Revised: June 23, 2011
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