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PDF ( 数据手册 , 数据表 ) B32934

零件编号 B32934
描述 Metallized Polyester Film Capacitors (MKT)
制造商 EPCOS
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B32934 数据手册, 描述, 功能
Film Capacitors
Metallized Polyester Film Capacitors (MKT)
Series/Type:
Date:
B32932 ... B32936
August 2010
www.DataSheet4U.com
© EPCOS AG 2010. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.







B32934 pdf, 数据表
B32932 ... B32936
AC applications (heavy duty series) / 305 V AC
Mounting guidelines
1 Soldering
1.1 Solderability of leads
The solderability of terminal leads is tested to IEC 60068-2-20, test Ta, method 1.
Before a solderability test is carried out, terminals are subjected to accelerated ageing (to
IEC 60068-2-2, test Ba: 4 h exposure to dry heat at 155 °C). Since the ageing temperature is far
higher than the upper category temperature of the capacitors, the terminal wires should be cut off
from the capacitor before the ageing procedure to prevent the solderability being impaired by the
products of any capacitor decomposition that might occur.
Solder bath temperature
Soldering time
Immersion depth
Evaluation criteria:
Visual inspection
235 ±5 °C
2.0 ±0.5 s
2.0 +0/0.5 mm from capacitor body or seating plane
Wetting of wire surface by new solder 90%, free-flowing solder
1.2 Resistance to soldering heat
Resistance to soldering heat is tested to IEC 60068-2-20, test Tb, method 1A.
Conditions:
Series
Solder bath temperature Soldering time
MKT boxed (except 2.5 × 6.5 × 7.2 mm) 260 ±5 °C
10 ±1 s
coated
uncoated (lead spacing > 10 mm)
MFP
MKP (lead spacing > 7.5 mm)
MKT boxed (case 2.5 × 6.5 × 7.2 mm)
5 ±1 s
MKP (lead spacing 7.5 mm)
MKT uncoated (lead spacing 10 mm)
insulated (B32559)
<4s
recommended soldering
profile for MKT uncoated
www.DataSheet4U.com
(lead spacing 10 mm) and
insulated (B32559)
Please read Cautions and warnings and
Important notes at the end of this document.
Page 8 of 18







B32934 equivalent, schematic
B32932 ... B32936
AC applications (heavy duty series) / 305 V AC
Symbol
IRMS
iz
k0
LS
λ
λ0
λtest
Pdiss
Pgen
Q
ρ
R
R
English
(Sinusoidal) alternating current,
root-mean-square value
Capacitance drift
Pulse characteristic
Series inductance
Failure rate
Constant failure rate during useful
service life
Failure rate, determined by tests
Dissipated power
Generated power
Heat energy
Density of water vapor in air
Universal molar constant for gases
Ohmic resistance of discharge circuit
Ri Internal resistance
Rins Insulation resistance
RP Parallel resistance
RS Series resistance
S severity (humidity test)
t Time
T Temperature
τ Time constant
tan δ
Dissipation factor
tan δD
Dielectric component of dissipation
factor
tan δP
Parallel component of dissipation factor
tan δS
Series component of dissipation factor
wwTwA .DataSheeAt4mUb.iceonmt temperature
Tmax Upper category temperature
Tmin Lower category temperature
tOL Operating life at operating temperature
and voltage
Top Operating temperature
TR Rated temperature
Tref Reference temperature
tSL Reference service life
VAC AC voltage
German
(Sinusförmiger) Wechselstrom
Inkonstanz der Kapazität
Impulskennwert
Serieninduktivität
Ausfallrate
Konstante Ausfallrate in der
Nutzungsphase
Experimentell ermittelte Ausfallrate
Abgegebene Verlustleistung
Erzeugte Verlustleistung
Wärmeenergie
Dichte von Wasserdampf in Luft
Allg. Molarkonstante für Gas
Ohmscher Widerstand des
Entladekreises
Innenwiderstand
Isolationswiderstand
Parallelwiderstand
Serienwiderstand
Schärfegrad (Feuchtetest)
Zeit
Temperatur
Zeitkonstante
Verlustfaktor
Dielektrischer Anteil des Verlustfaktors
Parallelanteil des Verlfustfaktors
Serienanteil des Verlustfaktors
Umgebungstemperatur
Obere Kategorietemperatur
Untere Kategorietemperatur
Betriebszeit bei Betriebstemperatur und
-spannung
Beriebstemperatur
Nenntemperatur
Referenztemperatur
Referenz-Lebensdauer
Wechselspannung
Please read Cautions and warnings and
Important notes at the end of this document.
Page 16 of 18










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