Thin Film on Silicon 2CFA Tapped RC Filter
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Features
Lead free versions available
RoHS compliant (lead free version)*
8 RC filters with common ground
Stable thin-film-on-silicon technology
Ultra-miniature packages to JEDEC
standards
Applications
EMI/RFI filtering on bus lines
High frequency applications
Ideal for space-constrained applications
General Information
Tapped Filters are typically used for filtering EMI and RFI on
high-speed data lines connecting computer with peripheral.
These Silicon-based, Tantalum Nitride resistors and
capacitors feature excellent stability, temperature coefficients
and tracking performance. This product series conforms to
JEDEC standards.
Package Schematic
Electrical Characteristics
Symbol
Minimum
Nominal
Maximum
Unit
Resistance Range
R
10
470
Resistor Tolerance
10 %
Power Rating per Resistor @ 70 C
0.1
Watt
Capacitor Range
C
15
220
pF
Capacitor Tolerance
20 %
pF
Capacitor Breakdown Voltage
25
35
V
Operating Voltage
50
V
Environmental Characteristics
ESD
2 K
V
Operating Temperature
TJ
-55
+125
C
Storage Temperature
Tstg
-65
+150
C
Power Rating per Package @ 70 C
1.0
Watt
Electrical & Environmental Characteristics
Frequency Response
0
Attenuation - dB
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
0.0001
0.001
0.01
Frequency - MHz
0.1
1
10
2CFA-330/470M-Q20R
*RoHS COMPLIANT
VERSIONS
AVAILABLE
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
20
14
13
12
11
19
18
17
16
15
1
7
8
9
10
2
3
4
5
6
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Thin Film on Silicon 2CFA Tapped RC Filter
A
.635
(.025)
TYP.
3.81 - 3.99
(.150 - .157)
PIN 1
.21 - .31
(.008 - .012)
1.35 - 1.75
(.053 - .069)
.10 - .25
(.004 - .010)
0-8
.19 - .25
(.007 - .010)
.41 - 1.27
(.016 - .050)
5.80 - 6.20
(.228 - .244)
Model
A
2QSP20
8.56 - 8.74 (.337 - .344)
Governing dimensions are in mm. Dimensions in
parentheses are in inches and are approximate.
JEDEC Reference Number MO-137.
Mechanical Characteristics
QSOP Package Dimensions
QSOP Package Power Temperature Derating Curve
WATTS
AMBIENT TEMPERATURE ( C )
1.0
1.25
.75
.50
.25
2QSP20
0
50
75
100
125
150
25
Typical Part Marking
Represents total content. Layout may vary.
PACKAGE
STYLE
PIN COUNT
470330M
CFA20Q
YYWW
PRODUCT
FUNCTION
RESISTANCE CODE/
CAPACITANCE CODE
GRADE
DATE CODE
MANUFACTURER'S
TRADEMARK
PIN 1 INDICATOR
(MOLDED INDENT)
R1
C1
Cap.
Part Number
Part Number
Value
Value
BV
(Tape & Reel)
(Tubes)
(ohms)
(pF)
(typ.)
33
47
75
2CFA-330/470M-Q20R
2CFA-330/470M-Q20T
Standard RC Values
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Thin Film on Silicon 2CFA Tapped RC Filter
Dispensing
For large quantities, the product will be dispensed in Tape and Reel (see diagram below).
No. of Pieces No. of Pieces
Package
A0
B0
K0
Width
Pitch
per 13 " reel
per tube
QSOP
20 Pin
6.5 (0.256)
9.0 (0.354)
2.1 (0.083)
16 (0.630)
8 (0.315)
3,500
56
04/05
A0
B0
K0
DIMENSIONS = MM (INCHES)
How To Order
2 CFA-330/470 M-Q 20 T __
Product Class
Thin-Film-on-Silicon
Product Function
CFA = Tapped RC Filter
Resistance Value Code
1st two digits are significant,
3rd digit = number of zeros to follow
to give resistance value in ohms.
Capacitance Code
1st two digits are significant,
3rd digit = number of zeros to follow
to give capacitor value in pF.
Standard Grade
R Tol.
C Tol.
M = 10 %
20 %
Standard Package Style
Q = QSOP
Pin Count
Q = 20
Dispensing
R = Reel
T = Tube
Terminations
LF = 100 % Sn (lead free)
Blank = Sn/Pb
Asia-Pacific:
Tel: +886-2 2562-4117 Fax: +886-2 2562-4116
Europe:
Tel: +41-41 768 5555 Fax: +41-41 768 5510
The Americas:
Tel: +1-951 781-5500 Fax: +1-951 781-5700
www.bourns.com
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