977 Datasheet, PDF (3/4 Pages) Littelfuse – Axial Lead and Cartridge Fuses

Axial Lead and Cartridge Fuses
5x20mm > Time-Lag > 977 Series
Soldering Parameters - Wave Soldering
300
280
260
240
220
200
180
160
140
120
100
80
60
40
20
0
Time (Seconds)
Preheat Time
Dwell Time
Cooling Time
Product Characteristics
Materials
Terminal Strength
Solderability
Product Marking
Body: Ceramic
Cap:
/JDLFMoQMBUFE
#SBTT
Leads:
5JOoQMBUFE
$PQQFS
.*-45%(
.FUIPE
"
5FTU

$POEJUJPO
"
3FGFSFODF
*&$


4FDPOE
&EJUJPO


"OOFY
"

Cap 1:
#SBOE
MPHP
DVSSFOU
BOE
WPMUBHF

ratings
Cap 2:
4FSJFT
BOE
BHFODZ
BQQSPWBM

NBSLJOHT
Recommended Process Parameters:
Wave Parameter
Lead-Free Recommendation
Preheat:
%FQFOET
PO
'MVY
"DUJWBUJPO
5FNQFSBUVSF




5FNQFSBUVSF
.JOJNVN




5FNQFSBUVSF
.BYJNVN




1SFIFBU
5JNF
5ZQJDBM
*OEVTUSZ
3FDPNNFOEBUJPO
° C
° C

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 Reflow process.
Operating Temperature
Thermal Shock
Vibration
Humidity
Salt Spray
o$
UP
$
.*-45%(
.FUIPE
(
5FTU

$POEJUJPO
#

DZDMFT
o$
UP

$
.*-45%(
.FUIPE
"
.*-45%(
.FUIPE
#
5FTU

$POEJUJPO
"
)JHI
3)

BOE

FMFWBUFE
UFNQ
$
GPS

IPVST
.*-45%(
.FUIPE
%
5FTU

Condition B
© 2010 Littelfuse, Inc.
3
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/977.html for current information.
977 Series