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Datasheet> All Categories > Passive components> capacitor> RD1812B474K251NW
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RD1812B474K251NW

Description
Ceramic Capacitor, Multilayer, Ceramic, 250V, 10% +Tol, 10% -Tol, X7R, 15% TC, 0.47uF, Surface Mount, 1812, CHIP, LEAD FREE
CategoryPassive components    capacitor   
File Size186KB，1 Pages
ManufacturerNovacap
Websitehttps://www.novacap.eu/en/
Environmental Compliance  
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RD1812B474K251NW Overview

Ceramic Capacitor, Multilayer, Ceramic, 250V, 10% +Tol, 10% -Tol, X7R, 15% TC, 0.47uF, Surface Mount, 1812, CHIP, LEAD FREE

RD1812B474K251NW Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerNovacap
package instruction, 1812
Reach Compliance Codecompli
ECCN codeEAR99
capacitance0.47 µF
Capacitor typeCERAMIC CAPACITOR
dielectric materialsCERAMIC
JESD-609 codee3
Manufacturer's serial numberRD1812
Installation featuresSURFACE MOUNT
multi-layerYes
negative tolerance10%
Number of terminals2
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
Package shapeRECTANGULAR PACKAGE
method of packingWAFFLE PACK
positive tolerance10%
Rated (DC) voltage (URdc)250 V
size code1812
surface mountYES
Temperature characteristic codeX7R
Temperature Coefficient15% ppm/°C
Terminal surfaceMatte Tin (Sn) - with Nickel (Ni) barrie
Terminal shapeWRAPAROUND

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TIP & RING CAPACITORS
NOVACAP offers a line of low ESR surface mount
capacitors ideally
suited for “Tip & Ring” applications. These units are designed with 250
VDC rating to withstand the 52 VDC bias and 150 VRMS signal during
ring cadence. Chips are offered in X7R dielectric from 0.39µF to 1.00µF
in sizes 1812, 1825 and 2225. Product is also available in Z5U and Y5V
dielectric from 0.47µF to 1.30µF for other ring detection circuits.
MAX CAPACITANCE @ 250 VDC
3 digit code: two significant digits, followed by number of zeros
eg: 394 = 390,000 pF (0.39µF)
SIZE
L
T
1812
.180
.125
.095
.024
(4.57)
(3.18)
(2.41)
(.610)
1825
.180
.250
.095
.024
(4.57)
(6.35)
(2.41)
(.610)
2225
.220
.250
.095
.030
(5.59)
(6.35)
(2.41)
(.760)
W
MB
LENGTH L
WIDTH W
T MAX
MB
X7R DIELECTRIC
MAX CAP
@ 250V
474
824
105
Y5V/Z5U DIELECTRIC
MAX CAP
@ 250V
564
125
155
HOW TO ORDER
RD1812
SIZE
RD1812
RD1825
RD2225
Y
B = X7R
Y = Y5V
Z = Z5U
474
Value in
Picofarads
Two significant
figures,
followed by
number of
zeros:
474=470,000
pF
M
TOLERANCE
J = +/- 5 %
X7R ONLY
K = +/- 10 %
M = +/- 20 %
Z = +80% -20%
P = +100% -0%
251
N
X
THICKNESS
OPTION
X=Non-standard
thickness. Specify
in Mils if non-
standard is
required.
Standard items
are any thickness
to maximum
shown
T
PACKING
OPTION
T=Reeled
M
MARKING
OPTION
M = Marked
(See Marking
Instructions)
DIELECTRIC CAPACITANCE
VOLTAGE-VDCW TERMINATION
Two significant
N = Nickel Barrier
figures, followed
(100% Tin)
by number of
Y = Nickel Barrier
zeros:
(90 Tin/10 Lead)
251 = 250V
38
.
www.
N O V A C A P
.
com
38

RD1812B474K251NW Related Products

RD1812B474K251NW RD1812B474K251N RD1825Y125K251N RD1825Y125K251NW RD1825B824K251NW RD2225B105K251N RD1825B824J251N
Description Ceramic Capacitor, Multilayer, Ceramic, 250V, 10% +Tol, 10% -Tol, X7R, 15% TC, 0.47uF, Surface Mount, 1812, CHIP, LEAD FREE Ceramic Capacitor, Multilayer, Ceramic, 250V, 10% +Tol, 10% -Tol, X7R, 15% TC, 0.47uF, Surface Mount, 1812, CHIP Ceramic Capacitor, Multilayer, Ceramic, 250V, 10% +Tol, 10% -Tol, Y5V, -82/+22% TC, 1.2uF, Surface Mount, 1825, CHIP Ceramic Capacitor, Multilayer, Ceramic, 250V, 10% +Tol, 10% -Tol, Y5V, -82/+22% TC, 1.2uF, Surface Mount, 1825, CHIP Ceramic Capacitor, Multilayer, Ceramic, 250V, 10% +Tol, 10% -Tol, X7R, 15% TC, 0.82uF, Surface Mount, 1825, CHIP, LEAD FREE Ceramic Capacitor, Multilayer, Ceramic, 250V, 10% +Tol, 10% -Tol, X7R, 15% TC, 1uF, Surface Mount, 2225, CHIP, LEAD FREE Ceramic Capacitor, Multilayer, Ceramic, 250V, 5% +Tol, 5% -Tol, X7R, 15% TC, 0.82uF, Surface Mount, 1825, CHIP, LEAD FREE
Is it lead-free? Lead free Contains lead - Contains lead Lead free Lead free Lead free
Is it Rohs certified? conform to conform to - incompatible conform to conform to conform to
package instruction , 1812 , 1812 - , 1825 , 1825 , 2225 , 1825
Reach Compliance Code compli compli - compliant compliant compliant compliant
ECCN code EAR99 EAR99 - EAR99 EAR99 EAR99 EAR99
capacitance 0.47 µF 0.47 µF - 1.2 µF 0.82 µF 1 µF 0.82 µF
Capacitor type CERAMIC CAPACITOR CERAMIC CAPACITOR - CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR
dielectric materials CERAMIC CERAMIC - CERAMIC CERAMIC CERAMIC CERAMIC
JESD-609 code e3 e3 - e3 e3 e3 e3
Manufacturer's serial number RD1812 RD1812 - RD1825 RD1825 RD2225 RD1825
Installation features SURFACE MOUNT SURFACE MOUNT - SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT
multi-layer Yes Yes - Yes Yes Yes Yes
negative tolerance 10% 10% - 10% 10% 10% 5%
Number of terminals 2 2 - 2 2 2 2
Maximum operating temperature 125 °C 125 °C - 85 °C 125 °C 125 °C 125 °C
Minimum operating temperature -55 °C -55 °C - -30 °C -55 °C -55 °C -55 °C
Package shape RECTANGULAR PACKAGE RECTANGULAR PACKAGE - RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE
method of packing WAFFLE PACK BULK - WAFFLE PACK WAFFLE PACK BULK BULK
positive tolerance 10% 10% - 10% 10% 10% 5%
Rated (DC) voltage (URdc) 250 V 250 V - 250 V 250 V 250 V 250 V
size code 1812 1812 - 1825 1825 2225 1825
surface mount YES YES - YES YES YES YES
Temperature characteristic code X7R X7R - Y5V X7R X7R X7R
Temperature Coefficient 15% ppm/°C 15% ppm/°C - -82/+22% ppm/°C 15% ppm/°C 15% ppm/°C 15% ppm/°C
Terminal surface Matte Tin (Sn) - with Nickel (Ni) barrie MATTE TIN OVER NICKEL - Matte Tin (Sn) - with Nickel (Ni) barrier Matte Tin (Sn) - with Nickel (Ni) barrier Matte Tin (Sn) - with Nickel (Ni) barrier Matte Tin (Sn) - with Nickel (Ni) barrier
Terminal shape WRAPAROUND WRAPAROUND - WRAPAROUND WRAPAROUND WRAPAROUND WRAPAROUND

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