Microchip Technology MCP3905A, Reference Design, Page: 22 / 24

MCP3905A/06A Energy Meter Reference Design
DS51565B-page 18
©
2009 Microchip Technology Inc.
1 R14 RES 560 OHM 1/16W 5% 0402 SMD Panasonic - ECG ERJ-2GEJ561X
2 R15, R16 RES 330K OHM 1/2W 5% 2010 SMD Panasonic - ECG ERJ-12ZYJ334U
1 R18 RES 820 OHM 1/4W 5% 1206 SMD Panasonic - ECG ERJ-8GEYJ821V
2 R19, R20 RES 20 OHM 1/4W 5% 1206 SMD Panasonic - ECG ERJ-8GEYJ200V
1 R21 RES 470 OHM 1W 5% METAL OXIDE Panasonic - ECG ERG-1SJ471
1 R22 RES 10 OHM 1/4W 5% 1206 SMD Panasonic - ECG ERJ-8GEYJ100V
1 U1 Energy Metering Device Microchip Technology
Inc. MCP3905A-I/SS
1 U2 IC VOLT REG 5V 100MA 8-SOIC National
Semiconductor
®
LM78L05ACM
1 U3 1 CHANNEL OPTO COUPLER
TRANS DIP NEC PS2501-1
1 Y1 CRYSTAL 3.579545MHZ 17PF
HC49/US ECS Inc ECS-35-17-4
2 Z1, Z2 BEAD CORE SINGLE 3.5X9MM
AXIAL Panasonic - ECG EXC-ELSA39
2 Z3, Z4 FERRITE 300MA 150 OHM 1806 SMD Steward
®
Inc. LI1806C151R-10
TABLE B-1: BILL OF MATERIALS (BOM) (CONTINUED)
Qty Reference Description Manufacturer Part Number
Note 1: The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM
used in manufacturing uses all RoHS-compliant components.