B45396R1477K509 datasheet, PDF

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B45396R1477K509: DescriptionCAPACITOR, TANTALUM, SOLID, POLARIZED, 6.3V, 470uF, SURFACE MOUNT, 2917, CHIP, ROHS COMPLIANT; CategoryPassive components capacitor; File Size435KB，6 Pages; ManufacturerEPCOS (TDK); Environmental Compliance

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B45396R1477K509 Overview

CAPACITOR, TANTALUM, SOLID, POLARIZED, 6.3V, 470uF, SURFACE MOUNT, 2917, CHIP, ROHS COMPLIANT

B45396R1477K509 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	EPCOS (TDK)
package instruction	CHIP, ROHS COMPLIANT
Reach Compliance Code	compliant
ECCN code	EAR99
capacitance	470 µF
Capacitor type	TANTALUM CAPACITOR
dielectric materials	TANTALUM (DRY/SOLID)
JESD-609 code	e3
Manufacturer's serial number	B45396R
Installation features	SURFACE MOUNT
negative tolerance	10%
Number of terminals	2
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
Package shape	RECTANGULAR PACKAGE
method of packing	TR, 7 INCH
polarity	POLARIZED
positive tolerance	10%
Rated (DC) voltage (URdc)	6.3 V
ripple current	3000 mA
size code	2917
surface mount	YES
Delta tangent	0.06
Terminal surface	Matte Tin (Sn)
Terminal shape	J BEND

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Tantalum Chip Capacitors

Multiple Anode, Ultra-low ESR

Ordering code:

Date:

B45396R1477+50*

July 2006

information contained therein without EPCOS' prior express consent is prohibited.

Tantalum chip capacitors

Multiple Anode, Ultra-low ESR

Cautions and warnings

B45396R1477+50*

When using tantalum capacitors with a manganese dioxide coating, the following cautions and

warnings should be taken into account:

Polarity

Because tantalum capacitors are

polar capacitors,

it is important to observe their polarity

markings (positive pole on the anode, negative pole on the cathode). Any incorrect polarity

resulting from the sum of the AC and DC voltage components must be smaller than or equal to

the permitted

polarity reversal voltage

(see “General technical information”, section 4.6 and

section 4.8 under www.epcos.com/tantalum_capacitors). To avoid reducing their reliability, this

voltage may only occur for a short time, at most five times for a duration of one minute per hour.

Voltage

The

maximum continuous voltage

depends on the ambient temperature. Within the temperature

range of 55 to +85

°C,

the rated voltage is equal to the maximum continuous voltage. Between

+ 85 and + 125

°C

the maximum continuous voltage must be reduced linearly from the full rated

voltage to 2/3 of it (derating). At 150

°C

(only B4519*P series) the voltage must be reduced to 1/2

and at 175

°C

(only B4519*T series) to 1/3 of the rated voltage. Operation below the maximum

continuous voltage has a positive effect on the capacitor’s failure rate. The maximum continuous

voltage must not be exceeded (see“Quality and environment”, section 1.11 under

www.epcos.com/tantalum_capacitors).

All unfavourable operating conditions (such as possible line overvoltages, unfavourable

tolerances of the transformation ratio of the line transformer in the equipment, repeated

overvoltages when the equipment is switched on, high ambient temperatures) must be taken into

account when determining the

operating voltage.

The

surge voltage

is the maximum voltage (peak value) that may be applied to the capacitor for

short periods, at most five times for a total duration of up to 1 minute per hour. The surge voltage

must not be applied for periodic charging and discharging in the course of normal operation and

cannot be part of the operating voltage. The permissible surge voltage for all capacitors in this

data book is 1.3 x the rated voltage. The occurrence of voltage impulses (transient voltages) that

exceed the surge voltage may lead to irreparable damage.

Capacitance

The actual

capacitance

of a capacitor can deviate from the rated capacitance by as much as the

full magnitude of the tolerance at delivery. The capacitance varies with the temperature (at

+125

°C

+12% up to +20%) and decreases with increasing frequency (see “General technical

information”, section 5 under www.epcos.com/tantalum_capacitors).

Please read

Important notes

and

Cautions and warnings

at the end of this document.

Page 4 of 6

Tantalum chip capacitors

Multiple Anode, Ultra-low ESR

B45396R1477+50*

Low-resistance applications and voltage networks

For

low-resistance applications,

EPCOS recommends a maximum operating voltage of half the

permissible maximum continuous voltage, so that the capacitors have sufficient tolerance to

withstand voltage peaks. Depending on the conditions of use, the early failure rate is higher here

by a factor of 2 to 20 than in the range with a constant failure rate as specified in the data book

(see“Quality and environment”, section 1.11 under www.epcos.com/tantalum_capacitors).

When operated directly in a

voltage network,

the capacitor should be protected against

overvoltage, e.g. by a suppressor diode, and against polarity reversal by a diode. If a capacitor is

operated in an unprotected low-impedance circuit and fails because the permissible conditions for

the forward DC voltage, reverse DC voltage, surge current, power dissipation or temperature are

exceeded, the continued current flow through the overstressed capacitor may produce

overheating. The overheated capacitor may damage the surrounding components and the circuit

board (see“Quality and environment”, section 1.11 and “General technical information”, section

4.11 under www.epcos.com/tantalum_capacitors).

Storage conditions

Capacitors with solid electrolyte may be stored at temperatures down to –80

°C.

The upper

storage temperature

must not exceed +85

°C

(for blister tape the temperature limit is +40

°C).

The storage conditions should not exceed +40

°C

and 70% R. H. A drypack is useful to prevent

the effects of humidity.

Note

For more detailed information about cautions and warnings for tantalum electrolytic capacitors

(e.g. other electrical values beside those listed above), see “General technical information” and

“Quality and environment” under www.epcos.com/tantalum_capacitors.

Please read

Important notes

and

Cautions and warnings

at the end of this document.

Page 5 of 6

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