
2322 662 96...
Vishay BCcomponents
PTC Thermistors For Degaussing,
Dual, Mono And Double Mono Cased
Document Number: 29077
Revision: 10-Oct-03
For technical questions contact: nlr.europe@vishay.com
www.vishay.com
191
TEST AND REQUIREMENTS
STANDARD TEST SCHEDULE
* D = Destructive, ND = Non-destructive.
LIFE TESTS
CECC
44003
CLAUSE
TEST
D*
or
ND
CONDITIONS
PERFORMANCE
REQUIREMENTS
Outgoing inspection (lot-by-lot)
4.3.1
4.3.2
4.3.3
4.4
visual examination
marking
dimensions (gauging)
zero power resistance:
degaussing PTC (R
s
)
heater PTC (R
p
)
minimum peak to peak inrush current
ND
no visible damage
legible
as detailed specifications
as specified
ND
at 25
°
C
4.27
ND
at 220/110 V
RMS
and reference
coil
at 220/110 V
RMS
and reference
coil
as specified
maximum peak to peak current after:
5 s
30 s
180 s
solderability
ND
4.13.1
D
solder bath method: 235
±
5
°
C
the terminations shall be evenly
tinned; 95% covered
IEC 60738
TEST
METHOD
TEST
PROCEDURE
REQUIREMENTS
endurance cycling: maximum
voltage at low temperature
maximum voltage with minimum coil:
see detailed specifications;
temperature: 0
±
5
°
C; duration, 100 cycles
maximum voltage with minimum coil:
see detailed specifications;
temperature: 25
±
5
°
C; duration, 40000 cycles
maximum voltage:
see detailed specifications;
temperature: 60
±
5
°
C; duration, 2000 hours
maximum voltage with minimum coil:
see detailed specifications;
conditions: 40
°
C, 95% RH;
cycle; 30 on 60 off; duration, 56 days
(900 cycles)
no visible damage
R
s
/R
s
(25
°
C) max.:
±
20%
R
p
/R
p
(25
°
C) max.:
±
50%
inrush current at 25
°
C:
I
inrush
>
95%; I
inrush
specified
final current at 25
°
C:
I
final
<
105%; I
final
specified
I
final
= I after 3 minutes
endurance cycling: maximum
voltage at 25
°
C
endurance at maximum rated
temperature and maximum voltage
endurance cycling at maximum
voltage in humidity
Other tests in accordance with IEC 60068-2
3 (Ca)
2 (Ba)
6 (Fc)
damp heat (steady state)
dry heat
vibration (mounted state)
56 days; 40
°
C; 95% RH
1000 hours; 125
°
C
frequency: 10 to 55 Hz;
displacement 0.75 mm or acceleration 10 g;
3 directions; total 6 hours
10 s; 260
±
5
°
C
20 (Tb)
resistance to soldering heat
Other test in accordance with IEC 60695.2
2
flammability needle flame test
vertical severity; duration 10 s
flammability: flame 5 s max.