User manual

MCP3905A/06A Energy Meter Reference Design

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.