MCP3907 Energy Meter Reference Design
TABLE B-1:
BILL OF MATERIALS (BOM) (CONTINUED)
Qty
1
1
1
1
Reference
R21
R22
R25
U1
Description
RES 470 OHM 1W 5% METAL OXIDE
RES 10 OHM 1/4W 5% 1206 SMD
RES 4.7K OHM 1/16W 5% 0805 SMD
Energy Metering Device
Manufacturer
Panasonic – ECG
Panasonic – ECG
Panasonic – ECG
Microchip
Part Number
ERG-1SJ471
ERJ-8GEYJ100V
ERJ-2GEJ222X
MCP3907
Technology Inc.
1
U2
IC VOLT REG 5V 100MA 8-SOIC
National
LM78L05ACM
Semiconductor ?
1
U3
1 CHANNEL OPTO COUPLER TRANS DIP NEC
PS2501-1
1
2
2
Y1
Z1,Z2
Z3,Z4
CRYSTAL 3.579545MHZ 17PF HC49/US
BEAD CORE SINGLE 3.5X9MM AXIAL
FERRITE 300MA 150 OHM 1806 SMD
ECS Inc
Panasonic – ECG
Steward
ECS-35-17-4
EXC-ELSA39
LI1806C151R-10
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.
DS51917A-page 22
? 2010 Microchip Technology Inc.
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