CALIFORNIA MICRO DEVICES
PRC201/211/221
EMI/RFI Tapped Filter
Features
• 8 EMI/RFI protection lines/package
• Stable resistor-capacitor network
• No signal delays
• Saves board space and component cost
• Suitable for PCMCIA interface cards
Applications
• EMI/RFI Filter
• Low Pass Filter
Product Description
CAMD’s PRC201/211/221 Tapped Filter is designed to
suppress EMI/RFI noise on high speed data lines and at
I/O ports of PCMCIA fax/modem and LAN type cards.
This integrated thin film resistor-capacitor network is
housed in a ultra low profile, surface mount package
suitable for bottom side mounting to the card which
minimizes space and routing problems and improves
reliability.
Why thin film EMI/RFI filters? EMI/RFI filters are needed
to suppress noise at low and high frequencies of the
signal. Ferrite beads used for EMI/RFI filtering are bulky
and ineffective at low frequencies and have saturation
problems at high frequencies. Resistor-capacitor
networks offer the best technical approach for effective
EMI/RFI filtering. Conventional thick film-based EMI/RFI
filters do not effectively suppress noise at high frequen-
cies due to the fact that EMI/RFI filters using thick film
technology have high parasitic inductance which
becomes the dominant component of the capacitor’s
impedance past resonance, and therefore significantly
affects high frequency performance of the filter.
CAMD’s PRC201/211/221 Tapped Filter is fabricated on
a silicon substrate using advanced thin film technology.
These EMI/RFI filters have very low parasitic inductance
and suppress EMI/RFI noise at low and high frequencies
to well above 1000 MHz.
SCHEMATIC CONFIGURATION
1
2
3
4
5
6
7
8
9
10
20
19 18 17 16 15
14 13 12 11
S TA N D A R D PA R T O R D E R I N G I N F O R M AT I O N
Package
RC Code
100/150F
330/101F
330/251F
330/470F
390/221F
470/470F
750/500F
101/101F
101/151F
Pins
20
20
20
20
20
20
20
20
20
Style
SOI C
SOI C
SOI C
SOI C
SOI C
SOI C
SOI C
SOI C
SOI C
Tubes
PRC2 0 1 1 0 0 K/ 1 5 0 M/ T
PRC2 0 1 3 3 0 K/ 1 0 1 M/ T
PRC2 0 1 3 3 0 K/ 2 5 1 M/ T
PRC2 0 1 3 3 0 K/ 4 7 0 M/ T
PRC2 0 1 3 9 0 K/ 2 2 1 M/ T
PRC2 0 1 4 7 0 K/ 4 7 0 M/ T
PRC2 0 1 7 5 0 K/ 5 0 0 M/ T
PRC2 0 1 1 0 1 K/ 1 0 1 M/ T
PRC2 0 1 1 0 1 K/ 1 5 1 M/ T
Ordering Part Number
Tape & Reel
PRC2 0 1 1 0 0 K/ 1 5 0 M/ R
PRC2 0 1 3 3 0 K/ 1 0 1 M/ R
PRC2 0 1 3 3 0 K/ 2 5 1 M/ R
PRC2 0 1 3 3 0 K/ 4 7 0 M/ R
PRC2 0 1 3 9 0 K/ 2 2 1 M/ R
PRC2 0 1 4 7 0 K/ 4 7 0 M/ R
PRC2 0 1 7 5 0 K/ 5 0 0 M/ R
PRC2 0 1 1 0 1 K/ 1 0 1 M/ R
PRC2 0 1 1 0 1 K/ 1 5 1 M/ R
Part Marking
PRC201100K/ 150M
PRC201330K/ 101M
PRC201330K/ 251M
PRC201330K/ 470M
PRC201390K/ 221M
PRC201470K/ 470M
PRC201750K/ 500M
PRC201101K/ 101M
PRC201101K/ 151M
C1190600
© 2000 California Micro Devices Corp. All rights reserved.
7/14/2000
215 Topaz Street, Milpitas, California 95035
Tel: (408) 263-3214
Fax: (408) 263-7846
www.calmicro.com
1
CALMIRCO [ CALIFORNIA MICRO DEVICES CORP ]
