ACTIVE
Part Number
UM4611
Description
4-Line LC EMI Filter with Integrated ESD Protection
Status
ACTIVE
Filter Type
CLC Filter
Numbers of channels
4
VRWM(Max) (V)
5
IR(Max) (uA ) at VRWM(Max), 25°C
0.1
VBR(Min) (V)
6
IEC 61000-4-2 contact (kV)
±8
IEC 61000-4-2 air (kV)
±15
L (nH)
17
R (Ohm)
10
CTOT(Max) (pF) at VR=2.5V, f=1MHz, IO to GND
36
CTOT(Max) (pF) at VR=0V, f=1MHz, IO to GND
-
f3dB(Mhz), Cut-Off Frequency
150
Attenuation @ 800 MHz (dB)
-24
Attenuation @ 2.5 GHz (dB)
-41
Package
DFN8 1.7x1.3
The UM4611 is a (L-C) low pass filter array with integrated TVS diodes. It is designed to suppress unwanted EMI signals and provide electrostatic discharge (ESD) protection in portable electronic equipment. This device utilizes solid-state silicon-avalanche technology for superior clamping performance and DC electrical characteristics. They have been optimized for protection of color LCD and camera lines in cellular phones and other portable electronics.
The device consists of identical circuits comprised of TVS diodes for ESD protection, and an inductor-capacitor network for EMI filtering. A typical inductor value of 17nH and a capacitor value of 15pF are used to achieve 24dB minimum attenuation from 800MHz to 2.7GHz. The TVS diodes provide effective suppression of ESD voltages in excess of ±15kV (air discharge) and ±8kV (contact discharge) per IEC 61000-4-2, level 4.
The UM4611 is in a RoHS compliant DFN8 1.7×1.3 package. The leads are finished with lead-free. The small package makes it ideal for use in portable electronics such as cell phones, digital still cameras, and PDAs.
- Bidirectional EMI Filter with Integrated TVS for ESD Protection
- ESD Protection to IEC 61000-4-2 (ESD) Level 4, ±15kV (Air), ±8kV (Contact)
- Filter Performance: 24dB Minimum Attenuation from 800MHz to 2.7GHz
- TVS Working Voltage: 5V
- Inductor: 17nH (Typical)
- Capacitors: 15pF (Typical at VR=2.5V)
- Protection and Filtering for Four Lines
- Solid-State Technology
- Color LCD Protection
- Cell Phone CCD Camera Lines
- Clamshell Cell Phones
| Part Number | Packaging Type | Marking Code | Shipping Qty |
|---|---|---|---|
| UM4611 | DFN8 1.7×1.3 | AN | 3000pcs/7Inch Tape & Reel |
