Solutions For Wireless Communications Cellular Phones ESD PROTECTION & EMI FILTERING Cellular phones, as with all hand-held devices, are susceptible to the damaging effects of Electrostatic Discharge (ESD). As much as 40 kilovolts of ESD can be generated by the human body or air discharge. In addition, cellular phones, because of their higher operating frequencies, are more sensitive to EMI/RFI interference. A typical cellular phone has several circuits that are vulnerable to the effects of ESD & EMI: Recommended Devices Earphone: ESD Protection & EMI Filtering STF701 Microphone: ESD Protection & EMI Filtering Antenna: ESD Protection GBLC Series & SLVU2.8 SIM Card: ESD Protection PSLC Series STF701 Keyboard: ESD Protection GBLC Series Battery: ESD Protection PSD Series & P040xFC Series Edge Connector: ESD Protection SFC05-4 & SFC05-5 Transient Voltage Suppression (TVS) devices provide protection at board-level from the effects of Electrostatic Discharge (ESD) as defined by IEC 61000-4-2. When used with the proper shielding, these devices can provide additional EMI/RFI filtering. Solutions for Voice, Video & Data APPLICATIONS The following cell phone circuits represent several applications for ESD and EMI protection. ANTENNA MICROPHONE/ EARPHONE STF701 GBLC Series KEYBOARD KEYBOARD VEE GBLC Series SIM CARD EDGE CONNECTOR PSLC Series BATTERY PSD Series SFC05-4 RECOMMENDED DEVICES GBLC Series ❏ Capacitance: 3pF ❏ Low Clamping Voltage ❏ ESD > 40 kilovolts ❏ Unidirectional & Bidirectional Configurations ❏ 350 Watts Peak Pulse Power (8/20ms) ❏ SOD-323 Package SLUV2.8 ❏ Operating Voltage: 2.8 ❏ Low Leakage Current: 0.1mA ❏ ESD > 40 kilovolts ❏ Capacitance: 5pF ❏ Unidirectional Configuration ❏ 400 Watts Peak Pulse Power (8/20ms) ❏ SOT-23 Package STF701 ❏ EMI/RFI Filtering/TVS ❏ Low Insertion Loss ❏ ESD > 25 kilovolts ❏ 175 Watts Peak Pulse Power (8/20ms) ❏ SC70-5L Package PSD Series ❏ Replacement for MLV (0805) ❏ ESD > 40 kilovolts ❏ Unidirectional & Bidirectional Configurations ❏ Low Clamping Voltage ❏ 500 Watts Peak Pulse Power (8/20ms) ❏ SOD-323 Package PSLC Series ❏ Low Capacitance: 10pF ❏ ESD > 40 kilovolts ❏ Unidirectional & Bidirectional Configurations ❏ 175 Watts Peak Pulse Power (8/20ms) ❏ SOT-143 Package SFC05-4 & SFC05-5 ❏ Chip Scale Packaging (0604) ❏ ESD > 25 kilovolts ❏ Protects Up to 5 Uni or 4 Bidirectional Lines ❏ 300 Watts Peak Pulse Power (8/20ms) P040xFC Series ❏ Chip Scale Packaging (0402) ❏ ESD > 25 kilovolts ❏ Bidirectional Configurations ❏ Protects Up to 7 I/O Ports ❏ 250 Watts Peak Pulse Power (8/20ms) Solutions for Voice, Video & Data DEVICE CHARACTERISTICS PART NUMBER RATED STAND-OFF VOLTAGE MAXIMUM CLAMPING VOLTAGE VWM VOLTS MINIMUM BREAKDOWN VOLTAGE @ 1 mA V(BR) VOLTS MAXIMUM CAPACITANCE @ 8/20ms VC @ IPP MAXIMUM LEAKAGE CURRENT @ VWM ID mA GBLC03* GBLC05* GBLC08* GBLC12* GBLC15* 3.3 5.0 8.0 12.0 15.0 4.0 6.0 8.5 13.3 16.7 14.6V @ 24A 17.5V @ 20A 21.1V @ 16.6A 28.0V @ 12.5A 42.0V @ 8.3A 75 5 2 1 1 3 3 3 3 3 P0402FC3.3C** P0402FC05C** P0402FC08C** P0402FC12C** P0402FC15C** P0402FC24C** P0402FC36C** 3.3 5.0 8.0 12.0 15.0 24.0 36.0 4.0 6.0 8.5 13.3 16.7 26.7 40.0 12.5V @ 20.0A 14.7V @ 17.0A 19.2V @ 13.0A 29.7V @ 9.0A 35.7V @ 7.0A 55.0V @ 5.0A 84.0V @ 3.0A 125 10 10 1 1 1 1 150 100 75 50 40 30 25 PSLC03* PSLC05* PSLC08* PSLC12* PSLC15* PSLC24* 3.3 5.0 8.0 12.0 15.0 24.0 4.0 6.0 8.5 13.3 16.6 26.7 8.0V @ 20.0A 14.0V @ 14.0A 17.5V @ 10.0A 26.0V @ 6.7A 32.0V @ 5.3A 55.0V @ 3.0A 125 20 10 1 1 1 10 10 10 10 10 10 PSD03* PSD05* PSD12* PSD15* PSD24* 3.3 5.0 12.0 15.0 24.0 4.0 6.0 13.3 16.7 26.7 12.0V @ 45.0A 14.5V @ 40.0A 30.0V @ 20.0A 34.0V @ 15.0A 44.0V @ 12.0A 125 10 1 1 1 800 550 185 150 88 SFC05-4 5.0 6.0 11.0V @ 24.0A 10 150 SFC05-5 5.0 6.0 11.0V @ 24.0A 10 150 @ 0V, 1 Mhz C pF *Bidirectional Configuration Offered. Add a “C” suffix when ordering, i.e., GBLC05C. **Part number identification is as follows: P0404FCxxC for 0404 chip; P0406FCxxC for 0406 chip; P0408FCxxC for 0408 chip. PART NUMBER STF701 PART NUMBER SLVU2.8 Note 1: Note 2: Note 3: Note 4: RATED STAND-OFF VOLTAGE SERIES RESISTANCE EACH LINE VWM VOLTS MINIMUM BREAKDOWN VOLTAGE @ 1 mA V(BR) VOLTS 5 6.0 REVERSE STAND-OFF VOLTAGE (See Note 1) VWM VOLTS 2.8 From Pin 3 to 1 or Pin 2 to 1. From Pin 3 to 1. From Pin 3 to 1 or Pin 2 to 1. From Pin 2 to 1 (3 N.C.). CAPACITOR EACH LINE VR = 0V f = 1 MHz C pF 50 REVERSE LEAKAGE CURRENT @ VRWM = 3.3V T = 25°C, ID mA 1.0 PUNCH THROUGH VOLTAGE (See Note 2) VPT IPT = 2mA VOLTS MAXIMUM CLAMPING VOLTAGE Pin 3 to 1 @ 8/20ms VC @ IPP LEAKAGE CURRENT (See Note 3) @ VWM = 2.8V T = 25°C, ID mA TYPICAL CAPACITANCE (See Note 4) @ 0V, 1 Mhz C pF 3.0 12.5V @ 24.0A 0.1 5.0 R OHMS 40 ProTek Devices, based in Tempe, Arizona USA, is a manufacturer of Transient Voltage Suppression (TVS) products designed specifically for the protection of electronic systems from the destructive effects of Lightning, Electrostatic Discharge (ESD), Nuclear Electromagnetic Pulse (NEMP) and Inductive Switching. With over 25 years of engineering and manufacturing experience, ProTek designs TVS devices that provide application specific protection solutions for voice, video and data related systems. Contact ProTek for more information about other application specific brochures: ✔ ✔ ✔ ✔ ✔ ✔ ✔ Computer Equipment/Systems Ethernet Equipment/Systems Modules PDAs Telecom Set-Top Boxes xDSL ProTek Devices 2929 South Fair Lane Tempe, Arizona 85282 USA Tel: 602-431-8101 Fax: 602-431-2288 Email: [email protected] Web: www.protekdevices.com Solutions for Voice, Video & Data B1000.R1 8/01