Opti-Cap ®
Ultra Broadband DC Blocking
Features
l X7R temperature and voltage stability
l Resonance free DC blocking to >40GHz
l SMT by solder or epoxy bonding
l Low frequency stability over temperature
l Very low series inductance
l 0201, 0402 and 0602 footprints
Functional applications
l Test Equipment, Photonics, SONET,
TOSA/ROSA, High Speed Data
l Broadband Microwave/Millimeter Wave
l Transimpedance Amplifiers
Specification
Electrical
Temperature Coefficient of Capacitance
X5R: -55°C to +85°C (TCC ± 15%)
X7R: -55°C to +125°C (TCC ± 15%)
Insertion Loss
Capacitance Range
1.5nF to 220nF
Maximum Assembly Process Temperature
0.2
250ºC
0
Milli-Cap®: GHz Range
Magnitude (dB)
-0.2
-0.4
Multilayer Capacitor: KHz–MHz Range
-0.6
-0.6
P21BN300MA03976
-1
P42BN820MA03152
P62BN820MA02636
-1.2
0
5
10
15
20
25
30
35
40
Frequency (GHz)
Electrical characteristics - Opti-Capº
Part Number
Capacitance
Voltage
Rating
DF
(Max)
IR
(Min)
3.5%
>102 MΩ
3.5%
>102 MΩ
3.5%
>102 MΩ
X7R
3.5%
>102 MΩ
10V
X5R
3.5%
>102 MΩ
82pF
50V
X7R
3.5%
>102 MΩ
82pF
25V
X7R
3.5%
>102 MΩ
MLC
Milli-Cap®
P21BN300MA04733
100nF
30pF
P21BN300MA04282
22nF
30pF
P21BN300MA03976
10nF
30pF
P21BN300MA04678
1.5nF
30pF
25V
P42BN820MA03152
220nF
82pF
P42BN820MA04679
22nF
P62BN820MA02636
100nF
10V
TCC
X5R
Frequency
Range
www.dilabs.com
16KHz >40GHz
North America
Knowles (Cazenovia)
Phone: +1 315 655 8710
DLISales@knowles.com
Europe
Knowles (UK) Ltd
Phone: +44 1603 723300
SyferSales@knowles.com
Far East
Knowles Capacitors
Phone: +86 512 62588258-6243
KCAsiaSales@knowles.com
10104/17/v4
Dimensional specifications - Opti-Capº
Case size
Milli-Capº
MLC
Length
Width
Thickness
Length
Width
Thickness
P21 (0201)
0.020” ± 0.004”
0.012” ± 0.002”
0.010” ± 0.002”
0.022 ± 0.002”
0.010 ± 0.001”
0.010 ± 0.002”
P42 (0402)
0.038” ± 0.004”
0.020” ± 0.002”
0.020” ± 0.002”
0.040 ± 0.002”
0.020 ± 0.002”
0.020 ± 0.002”
P62 (0602)
0.058” ± 0.004”
0.020” ± 0.002”
0.020” ± 0.002”
0.067 ± 0.004”
0.031 ± 0.004”
0.031 ± 0.005”
Attachment Methods - Opti-Capº
Recommended attachment to soft or hard substrate using
Conductive Epoxy
1. Place a single drop of conductive epoxy onto each micro strip
as illustrated; the edge of the epoxy shall be at least .003”-
.004” back from the edge of the trace to prevent filling
the gap with epoxy.
2. Centering the termination gap of the capacitor within the gap
in the micro strip, press with careful, even pressure onto the
micro strip ensuring the terminations make good contact with
the epoxy drops.
3. Cure according to the epoxy manufacturer’s preferred
schedule, typically 125°C to 150°C max.
4. After curing, inspect joint for epoxy shorts across the
termination and micro strip gaps that would cause a
short across the cap.
Isopropanol and Methanol are both safe to use to pre clean
Opti-Caps®.
Isopropanol, and Methanol are not to be used after mounting
with conductive epoxy as they act as a solvent!
Recommended attachment to soft or hard substrate using
Solder
4. After the reflow step is completed, inspect joint for voids or
excess flux and non-reflowed solder balls that can
degrade performance or cause shorts across the gaps.
Proper cleaning after the reflow process is crucial to avoiding
performance degradation and discovering poor solder
joints.
Isopropanol and Methanol are both safe to use with soldered
Opti-Caps®.
© Copyright: Knowles Corporation 2017 - Design: www.panpublicity.co.uk
1. Place a single drop of solder paste onto each micro strip as
illustrated; the edge of the solder shall be at least .001”- .002”
back from the edge of the trace to prevent filling the gap with
solder.
2. Centering the termination gap of the capacitor within the gap
in the micro strip, press with careful, even pressure onto the
micro strip ensuring the terminations make good contact with
the drops of solder paste.
3. Reflow according to the solder manufacturer’s preferred
profile, ensuring the reflow temperature does not exceed
250°C.
10104/17/v4
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