Vol.08
New High Speed Decoupling Device
Proadlizer® PF/A Series
APPLICATION
• High speed and high power CPU and Gbps
backplane decoupling
• EMI solution for 10 MHz range or above
• High switching frequency DC/DC converter output
capacitor
FEATURES
• Excellent noise absorption performance at GHz
frequency
• Extreme low ESL and high current capability
• High Capacitance and very low ESR based on
our Conductive Polymer technology
• Distributed capacitance architecture and
transmission-line structure
DIMENSIONS [mm]
PERFORMANCE (reference)
P2
P1
L
Z2
Z1
Attenuation(S21)*-frequency characteristics
*Ploadlizer alone
0
-20
0E 128
-40
-60
Negative
electrode
Positive
Positive
electrode
electrode
-80
PFAF250E128M
-100
-120
+
+
GND
P2
mm
Z2
0.1
1
10
100
1000
Case Code
F25
F20
L
W1
W2
H
P1
Z1
Frequency ( MHz )
16.7 0.2 12.1 0.2 11.9 0.2 2.5Max 8.0 0.2 13.0 0.2 1.0 0.2 1.2 0.2
16.7 0.2 12.1 0.2 11.9 0.2 2.0Max 8.0 0.2 13.0 0.2 1.0 0.2 1.2 0.2
LAYOUT LAND PATTERN (Tentative)
121220 12.0 0.2 12.0 0.2 11.9 0.2 2.0Max 5.1 0.2 8.7 0.2 0.9 0.2 0.8 0.2
c1
c2
c3
c4
NOTE (reference)
ex.1ꢀFilter circuit design
ex.2ꢀDecoupling circuit design
Proadlizer
Proadlizer
V in
V out
Mounting
V
in
plane
Vcc Layer
GND Layer
Back surface
V out
ex.1 An effecting filtering performance can be achieved by
separating input and output in the VCC layer.
ex.2 An effective decoupling performance can be achieved
by not separating Vcc layer. This method also makes
surface mounting of loads(CPU etc.) efficient.
a1
a2
mm
c4
Case Code
F25, F20
a1
a2
b1
c1
c2
c3
1.6
1.8
14.2
16.4
13.2
10.2
6.6
3.1
1212
1.6
1.8
14.2
11.9
8.7
6.7
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact NEC TOKIN for updated product data.
●Please request for a specification sheet for detailed product data prior to the purchase.
●Before using the product in this catalog, please read "Precautions" and other safety precautions listed in the printed version catalog.
9653PFAVOL08E0912E1