Fuse 977 Datasheet

Axial Lead and Cartridge Fuses
5x20mm > Time-Lag > 977 Series
977 Series,
PS
E
5 x 20mm, Time-Lag (Slo-Blo®) Fuse
Description
450Vdc/500Vac rated, 5x20mm, Time-Lag, surge withstand,
ceramic body, cartridge fuse.
Features
t %FTJHOFEUP
International (IEC)
Standards for use
globally
t "WBJMBCMFJO$BSUSJEHF
BOE"YJBMMFBE'PSN
t 3PITDPNQMJBOUBOE1C
free
t 'PMMPXUIF*&$
Sheet 5 specification
GPS5JNF-BH'VTFT
Agency Approvals
Applications
PS
E
Agency File Number
Cartridge Certificates:
/#,+1"
/#,+1$
/#,+1"
Leaded Certificates:
/#,+1#
/#,+1%
/#,+1#
Cartridge Certificates:
Leaded Certificates:
Ampere Range
*OWFSUFSJO-$%CBDLMJHIUVOJU%$TJEFPGBJSDPOEJUJPOFST
QIBTFQPXFSTVQQMJFT)JHIFS&OFSHZBOE1PXFS&GåDJFOU
applications.
"o"
"o"
"
Electrical Characteristics for Series
"o"
"o"
"
% of Ampere
Rating
N"o"
N"o"
N"o"
© 2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/977.html for current information.
1
Revised: September 9, 2011
Ampere Rating
Opening Time
N"oN"
NJOVUFT.JOJNVN
"o"
NJOVUFT.JOJNVN
"o"
NJOVUFT.JOJNVN
"o"
NJOVUFT.JOJNVN
N"oN"
NJOVUFT.BYJNVN
"o"
NJOVUFT.BYJNVN
"o"
NJOVUFT.BYJNVN
"o"
NJOVUFT.BYJNVN
N"oN"
NT.JOTFDT.BY
"o"
NT.JOTFDT.BY
"o"
NT.JOTFDT.BY
"o"
NT.JOTFDT.BY
N"oN"
NT.JOTFDT.BY
"o"
NT.JOTFDT.BY
"o"
NT.JOTFDT.BY
"o"
NT.JOTFDT.BY
N"oN"
NT.JONT.BY
"o"
NT.JONT.BY
"o"
NT.JONT.BY
"o"
NT.JONT.BY
977 Series
977 Series
Agency
Introduction
Circuit
Protection
Axial Lead to
and
Cartridge
Fuses
Transientology
5x20mm > Time-Lag
> 977 Series
Electrical Characteristic
Voltage Rating
Amp Code
Amp Rating
AC
DC
Interrupting
Rating
Nominal Cold
Resistance
(milli-ohms)
Nominal
Melting
2
I t (A2 sec.)
Agency Approvals
PS
E
.500
0.5
500
450
0.3
500
450
002.
2
500
450
44.5
x
x
500
450
x
x
x
x
x
x
004.
4
500
450
005.
5
500
450
500
450
500
450
"!7BD
"!7ED
x
x
x
x
233
x
x
500
450
x
500
450
x
500
450
x
I2UUFTUBUYSBUFEDVSSFOU
977002
9773.15
977004
977005
97706.3
977008
977010
977012
977016
977.800
Average Time Current Curves
977.500
Temperature Rerating Curve
10000
1000
Time in Seconds
100
10
1
0.1
0.01
0.001
0.01
0.1
1
10
100
1000
Current in Amperes
977 Series
2
© 2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/977.html for current information.
Axial Lead and Cartridge Fuses
5x20mm > Time-Lag > 977 Series
Soldering Parameters - Wave Soldering
Recommended Process Parameters:
280
260
Wave Parameter
240
220
Lead-Free Recommendation
200
Preheat:
180
%FQFOETPO'MVY"DUJWBUJPO5FNQFSBUVSF
5ZQJDBM*OEVTUSZ3FDPNNFOEBUJPO
160
5FNQFSBUVSF.JOJNVN
° C
140
5FNQFSBUVSF.BYJNVN
1SFIFBU5JNF
° C
TFDPOET
Solder Pot Temperature:
° $.BYJNVN
Solder Dwell Time:
2-5 seconds
120
100
80
60
40
240
230
220
210
200
190
180
170
160
150
140
130
120
110
90
100
80
70
60
50
40
30
0
0
20
20
10
Temperature (°C) - Measured on bottom side of board
300
Recommended Hand-Solder Parameters:
Time (Seconds)
Cooling Time
Preheat Time
Solder Iron Temperature: 350° C +/- 5°C
Heating Time: 5 seconds max.
Dwell Time
Note: These devices are not recommended for IR or
Convection Reflow process.
Materials
Body: Ceramic
Cap:/JDLFMoQMBUFE#SBTT
Leads:5JOoQMBUFE$PQQFS
Operating Temperature
o$UP$
Terminal Strength
.*-45%(.FUIPE"5FTU
$POEJUJPO"
Thermal Shock
.*-45%(.FUIPE(5FTU
$POEJUJPO#DZDMFTo$UP
$
Solderability
3FGFSFODF*&$4FDPOE&EJUJPO
"OOFY"
Vibration
.*-45%(.FUIPE"
Product Marking
Cap 1:#SBOEMPHPDVSSFOUBOEWPMUBHF
ratings
Cap 2:4FSJFTBOEBHFODZBQQSPWBM
NBSLJOHT
Humidity
.*-45%(.FUIPE#5FTU
$POEJUJPO")JHI3)
BOE
FMFWBUFEUFNQ$
GPSIPVST
Salt Spray
.*-45%(.FUIPE%5FTU
Condition B
© 2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/977.html for current information.
3
977 Series
977 Series
Product Characteristics
Introduction
Circuit
Protection
Axial Lead to
and
Cartridge
Fuses
Transientology
5x20mm > Time-Lag
> 977 Series
Dimensions
Part Numbering System
0977 xxxx M X E P
0977000.XP
Series
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
0977.500XEP
to
0977.800XEP
ø6.0 MAX
Quantity Code
M = 1000
ø0.65*
Packaging Code
0977002.XEP
to
0977016.XEP
X = Filler
ø5.8 MAX
Option Codes
E
ø0.65*
: Axial Leaded Fuse
P: Lead-free
Others : Special options.
Please call Littelfuse for detail.
* Ratings above 5A ø1 Lead.
* For 977 16A ø1.2 Lead.
Packaging
Packaging Option
977 Series
#VML
#VML
977 Series
Packaging Specification
Quantity
Quantity &
Packaging Code
Reel Size
/"
/"
.9
.9&
/"
/"
4
© 2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/977.html for current information.