Yageo MLCC Introduction
MLCC PM Team
Oct. 2011
1
Introduction
Purpose
• To give overview of multilayer ceramic capacitors (MLCC)
Objectives
j
• To understand the theory and construction of MLCC
• To explain different MLCC types
• To describe current technology trends
Content
• 22 pages
Learning Time
• 10 minutes
2
General Introduction of MLCC
Type of Capacitor
YAGEO p
product
Film
Ceramic
Fixed
Capacitor
Using Ceramic as the
dielectric , metal baked with
ceramic as inner electrodes ,
non-polarized and nonorganic capacitors
Aluminum
Glass
Mica
Electrolytic
El
t l ti Double
D bl
Layer
3
General Introduction of MLCC
MLCC Features
Wide capacitance range, extremely compact
size
z
Low inductance of capacitor for high
frequency application
z
Excellent solderability and resistance to
soldering heat, suitable for wave and reflow
soldering
z
Adaptable to high-speed surface mount
assembly
z
Unit of Capacitance
Microfarad (μF) 1μF = 1/1,000,000 = 0.000001 = 10-6 F
Nanofarad (nF) 1nF = 1/1,000,000,000 = 0.000000001 = 10-9 F
Picofarad (pF) 1pF = 1/1,000,000,000,000 = 0.000000000001 = 10-12 F
4
Construction of MLCC
5
MLCC Material and Construction
BME
Base Metal Electrode
NME
Noble Metal Electrode
Sn
Ni
PdAg or Pd
Feature of NME :
＊ Process uncomplicated
＊ Good Q factor
Fault of NME :
＊ Cost expensive
Ag
Cu
Ceramic
Ni
Feature of BME :
＊Cost cheaper than NME
Fault of BME :
＊Equipment expensive.
＊Process complicated.
6
Construction – Dimensions of MLCC
7
MLCC Process Flow
IPQC
Foil Making
PVA
NPO H20
PdAg or Ni
IQC
foil
Ball Mill
Slip
Casting
Printing Screen
Drying
1100~1300℃
Sintering
Tumbling
Di i /C i
Dipping/Curing
Binder Burn Out
Pl ti
Plating
Notching/Cutting
T ti
Testing
PQC
Pressing
Taping
FQC
8
Capacitor
p
Design
g
9
Symbols
y
of Temperature
p
Coefficients (EIA)
(
)
10
Symbols
y
of Temperature
p
Coefficients (EIA)
(
)
11
Temperature Characteristics vs Ceramic Material
20
NP0
10
ΔC/C (%)
0
-10
-60
-40
-20
0
Temperature ( ℃)
20
40
60
80
-20
X5R
-30
100
120
140
X7R
-40
-50
-60
-70
-80
80
Y5V
-90
T
Type
NP0(COG)
X7R
X5R
Y5V
Class
Temperature range
1
-55~+125℃
2
-55~+125℃
2
-55~+85℃
2
-25~+85℃
Cap change
Features
± 30ppm/℃
1. Ultra-stable
2. Tight tolerance available.
3. Low ESR.
4 Good frequency
4.
performance.
5. No aging of capacitance.
±15%
±15%
1. Semi-stable and high K.
2. High volumetric efficiency.
3. High reliable in high temperature
application
application.
4. High insulation resistance.
-82~+22%
82~+22%
1. High volumetric efficiency.
2. Non-polar construction.
3. General purpose, High K.
12
MLCC
CC Type
ype Introduction
t oduct o – NP0
0 (C0G)
Features
Description
• Classification : Class 1
9 Ultra-stable on capacitance
• Characteristic: Temperature Compensation
9 Tight tolerance available
9 Low
L
ESR
• Application temperature: -55℃~+125℃
9 Good frequency performance
• Temperature characteristic: ±30ppm/℃
9 No aging of capacitance
Typical TC Curve of NPO Deilectrics
60
Recommended Circuit
-6
C/
/C (x10 /K)
ΔC
40
20
¾ Band Pass Filter Circuit
0
-20
20
¾ Coupling Circuit
-40
¾ Temp. Compensation Circuit
-60
-80
-60 -40
-20
0
20
40
60
80
100 120 140
T(℃)
‹#›
MLCC Type Introduction – X7R, X5R
Features
Description
• Classification : Class 2
• Characteristic: High
g dielectric constant
• Application temperature:
9 Semi-stable on capacitance and high K
9 High
Hi h volumetric
l
t i efficiency
ffi i
X7R : -55℃~+125℃
9 High reliable in high temperature
application
X5R : -55℃~+85℃
9 High insulation resistance
• Temperature characteristic: ±15%
%)
ΔC/C(%
20
Typical TC Curve of X7R/X5R Deilectrics
Recommended Circuit
15
10
5
0
-5
-10
X5R
NME
X7R
¾ By-Pass Circuit
BME
¾ Decoupling Circuit
-15
15
-20
-80 -60 -40 -20
0
20
40
60
80
100 120 140
T (℃)
¾ Resonance Circuit
‹#›
MLCC Type Introduction – Y5V
Features
Description
• Classification : Class 2
9 High volumetric efficiency
• Characteristic: High dielectric constant
9 Non-polar construction
9 General purpose, High K
• Application temperature: -30℃~+85℃
• Temperature characteristic: -82%~+22%
Typical TC Curve of Y5V Deilectrics
40
Recommended Circuit
ΔC/C (%)
20
0
-20
¾ By-Pass Circuit
-40
40
-60
Y5V
-80
-100
-40
-20
0
20
40
60
80
¾ Decoupling Circuit
¾ Resonance Circuit
100
T ( ℃)
‹#›
Yageo MLCC Product Overview
MLCC
Commodity
y
Material : NPO/X7R/X5R/Y5V
Voltage : Vr ≤ 50V
‧ CC0201
‧ CC0402
‧ CC0603
‧ CC0805
‧ CC1206
‧ CC1210
‧ CC1808
‧ CC1812
Hi-Cap
p
Material : X7R/X5R/Y5V
Voltage : Vr ≤ 50V
Cap. ≥ 1uF
‧ CC0402
‧ CC0603
‧ CC0805
‧ CC1206
> CC1210
16
Yageo MLCC Product Overview
MLCC
Specialty
Material : NPO/X7R
Voltage : 100V≤ Vr≤ 5KV
Material : NPO/X7R/Y5V
Voltage : Vr ≤ 50V
HV Series
‧ CC0603
‧ CC0805
‧ CC1206
‧ CC1210
‧ CC1808
‧ CC1812
CA Series
‧ CA0508
‧ CA0612
SC Series
• AC/AVS 0603
‧ SC1808
‧ SC1812
• AC/AVS 0805
Material : NPO/X7R/MLV
AC/AVS Series
• AC/AVS 0402
CL Series
‧ CL0306
‧ CL0506
‧ CL0612
MLV Series
‧VRS0402
‧VRS0603
‧VRS0805
‧VRS1206
• AC/AVS 1206
17
Commodity & Hi Cap
Features
Applications
• Applicable for reflow / wave soldering
• High reliability and no polarity
• RoHS
S & Halogen ffree compliant
• Supplied in tape on reel
• General electronic equipment
Definition
• Capacitance
C
it
0
0.22pF
22 F tto 100
100uF
F
• Voltage : 6.3V,10V,16V,25V,50V
Product description
• Material : NPO,X7R,X5R,Y5V
• Size : 0201~1812
‹#›
S
Specialty
i lt - HV S
Series
i
Features
•Capable of operating at high
voltage levels
• For high frequency snubber
• Decoupling/ Smoothing function
Applications
• Lighting
P
• Power
• LCD
• Digital Consumer
Definition
• Capacitance
C
it
:0
0.47pF
47 F ~ 1
1uF
F
• Voltage : 100V ~ 3KV
Arcing in high voltage operation
Product description
• Material : NPO/X7R
• Size : 0402~0603
‹#›
S
Specialty
i lt – Soft
S ft termination
t
i ti
Features
A li ti
Applications
• Flexible termination system
• Leaded-free termination meet
• Improved resistance to thermal stresses
• Increased mechanical performance
• High flexure stress circuit boards
• Switch power supplies
• Telecom base station
Definition
• Capacitance : 100pF – 1uF
• Voltage : 16V~630V
Product description
• Material : X7R
• Size : 0402~1206
‹#›
X2Y - Series
21
01005 MLCC Technology Development
Human Hair and 01005 MLCC
500 μm
NaCl
0402
0201
The 01005 size MLCC is 1/3
the bulk of 0201 and Takes
up 1/15 the space required
for a 0402 MLCC
‹#›
Coding
g Rule of CTC for Yageo
g MLCC
_____________________________________________________
This illustration shows the coding rules of clear test code (CTC) in the Yageo MLCC market. It outlines how a Yageo
part number is defined and shows the part number to component value conversion.
23
Summary
• Yageo offers many types of capacitors including high
voltage X2Y, low inductance, and ultra small size MLCC
• Class I and II capacitors differ in many ways including
accuracy, efficiency
ff
and temperature
• Yageo’s miniaturization is leading to higher, thinner,
smaller,
ll shorter
h t designs
d i
_____________________________________________________
In summary, Yageo has been releasing quality, technologically advanced , multi-layer ceramic capacitors and have
many products for the future. They offer many types of capacitance including high voltage, X2Y, low inductance, and
ultra small MLCC . Class II, II capacitance differ in many ways including accuracy,
accuracy efficiency and temperature.
temperature Lastly,
Lastly
Yageo’s miniaturization is leading to higher, thinner, smaller, shorter designs
24
Thank you
25