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0977010.MXEP

P1-P3P4-P4
1
© 2010 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead and Cartridge Fuses
5x20mm > Time-Lag > 977 Series
977 Series
Please refer to www.littelfuse.com/series/977.html for current information.
977 Series
977 Series, 5 x 20mm, Time-Lag (Slo-Blo
®
) Fuse
450Vdc/500Vac rated, 5x20mm, Time-Lag, surge withstand,
ceramic body, cartridge fuse.
t %FTJHOFEUP
International (IEC)
Standards for use
globally
t 'PMMPXUIF*&$
Sheet 5 specication
GPS5JNF-BH'VTFT
t "WBJMBCMFJO$BSUSJEHF
BOE"YJBMMFBE'PSN
t 3PITDPNQMJBOUBOE1C
free
Features
Applications
*OWFSUFSJO-$%CBDLMJHIUVOJU%$TJEFPGBJSDPOEJUJPOFST
QIBTFQPXFSTVQQMJFT)JHIFS&OFSHZBOE1PXFS&GåDJFOU
applications.
Description
PS
E
Agency Approvals
Agency Agency File Number Ampere Range
PS
E
Cartridge Certicates:
/#,+1"
/#,+1$
/#,+1"
Leaded Certicates:
/#,+1#
/#,+1%
/#,+1#
"o"
"o"
"
"o"
"o"
"
Cartridge Certicates:

Leaded Certicates:

N"o"
N"o"
N"o"
Electrical Characteristics for Series
% of Ampere
Rating
Ampere Rating Opening Time

N"oN" NJOVUFT.JOJNVN
"o" NJOVUFT.JOJNVN
"o" NJOVUFT.JOJNVN
"o" NJOVUFT.JOJNVN

N"oN" NJOVUFT.BYJNVN
"o" NJOVUFT.BYJNVN
"o" NJOVUFT.BYJNVN
"o" NJOVUFT.BYJNVN

N"oN" NT.JOTFDT.BY
"o" NT.JOTFDT.BY
"o" NT.JOTFDT.BY
"o" NT.JOTFDT.BY

N"oN" NT.JOTFDT.BY
"o" NT.JOTFDT.BY
"o" NT.JOTFDT.BY
"o" NT.JOTFDT.BY

N"oN" NT.JONT.BY
"o" NT.JONT.BY
"o" NT.JONT.BY
"o" NT.JONT.BY
Revised: September 9, 2011
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
2
© 2010 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead and Cartridge Fuses
5x20mm > Time-Lag > 977 Series
977 Series
Please refer to www.littelfuse.com/series/977.html for current information.
Average Time Current CurvesTemperature Rerating Curve
0.001
0.01
0.1
1
10
100
1000
10000
0.01 0.1 1
977.500
10 100 1000
9773.15
977.800
977002
977008
97706.3
977005
977004
977010
977012
977016
Current in Amperes
Time in Seconds
Amp Code Amp Rating
Voltage Rating
Interrupting
Rating
Nominal Cold
Resistance
(milli-ohms)
Nominal
Melting
I
2
t (A
2
sec.)
Agency Approvals
AC
DC
.500 0.5 500 450
"!7BD
"!7ED
 0.3 x
  500 450   x
002. 2 500 450 44.5  xx
  500 450   xx
004. 4 500 450   xx
005. 5 500 450   xx
  500 450   xx
 500 450  233 x x
  500 450   x
  500 450   x
 500 450   x
Electrical Characteristic
PS
E
I
2
UUFTUBUYSBUFEDVSSFOU
3
© 2010 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead and Cartridge Fuses
5x20mm > Time-Lag > 977 Series
977 Series
Please refer to www.littelfuse.com/series/977.html for current information.
977 Series
Soldering Parameters - Wave Soldering
Dwell Time
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
300
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
Time (Seconds)
Temperature (°C) - Measured on bottom side of board
Cooling Time
Preheat Time
Wave Parameter Lead-Free Recommendation
Preheat:
%FQFOETPO'MVY"DUJWBUJPO5FNQFSBUVSF
5ZQJDBM*OEVTUSZ3FDPNNFOEBUJPO
5FNQFSBUVSF.JOJNVN

° C
5FNQFSBUVSF.BYJNVN

° C
1SFIFBU5JNF TFDPOET
Solder Pot Temperature:

° $.BYJNVN
Solder Dwell Time: 2-5 seconds
Recommended Hand-Solder Parameters:
Solder Iron Temperature: 350° C +/- 5°C
Heating Time: 5 seconds max.
Note: These devices are not recommended for IR or
Convection Reow process.
Recommended Process Parameters:
Materials
Body: Ceramic
Cap:/JDLFMoQMBUFE#SBTT
Leads:5JOoQMBUFE$PQQFS
Terminal Strength
.*-45%(.FUIPE"5FTU
$POEJUJPO"
Solderability
3FGFSFODF*&$4FDPOE&EJUJPO
"OOFY"
Product Marking
Cap 1:#SBOEMPHPDVSSFOUBOEWPMUBHF
ratings
Cap 2:4FSJFTBOEBHFODZBQQSPWBM
NBSLJOHT
Product Characteristics
Operating Temperature o$UP$
Thermal Shock
.*-45%(.FUIPE(5FTU
$POEJUJPO#DZDMFTo$UP
$
Vibration .*-45%(.FUIPE"
Humidity
.*-45%(.FUIPE#5FTU
$POEJUJPO")JHI3)BOE
FMFWBUFEUFNQ$GPSIPVST
Salt Spray
.*-45%(.FUIPE%5FTU
Condition B
P1-P3P4-P4

0977010.MXEP

Mfr. #:
Buy 0977010.MXEP
Manufacturer:
Littelfuse
Description:
Cartridge Fuses 500Vac 450Vdc 5x20 TL PT 10A
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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