User manual

MCP3421 WEIGHT SCALE
DEMO BOARD USER’S GUIDE
 2010 Microchip Technology Inc. DS51918A-page 23
Appendix B. Bill of Materials
TABLE B-1: BILL OF MATERIALS (BOM)
Qty Reference Description Manufacturer Part Number
6 C4, C7, C9,
C11, C12,
C13
CAP X2Y CER .1UF X7R 6.3V 0603 Johanson Dielectrics Inc 6R3X14W104MV4T
1 C6 CAP .33UF 6.3V CERAMIC X5R
0603
Panasonic
®
– ECG ECJ-1VB0J334K
2 C8, C14 CAP CER 10UF 6.3V X5R 0603 Murata Manufacturing
Co., Ltd.
GRM188R60J106ME47D
2 C10, C17 CAP CER 10000PF 50V 10% X7R
0603
Murata Manufacturing
Co., Ltd.
GRM188R71H103KA01D
2 C15, C16 CAP CER 18PF 50V 5% C0G 0603 Murata Manufacturing
Co., Ltd.
GRM1885C1H180JA01D
3 C18, C19,
C20
CAP CER 1.0UF 6.3V 10% X5R 0603 Murata Manufacturing
Co., Ltd.
GRM188R60J105KA01D
2 C69, C70 CAP TANTALUM 47UF 6.3V 10%
SMD
Kemet B45196H1476K209
1 D3 DO NOT POPULATE — —
1 D5 DIODE SS HI COND100V 200MA
DO-35
Fairchild Semiconductor
Inc.
1N914BTR
4 D6, D7, D8,
D9, D11,
D12, D13,
D14,
LED GREEN CLEAR THIN 0805
SMD
Lite-On
®
, Inc. LTST-C171GKT
1 J1 CONN POWERJACK MINI .08" R/A
T/H
Switchcraft
®,
Inc. RAPC722X
2 J4, J5 CONN HEADER VERT 2POS .100
TIN
Tyco Electronics 3-644695-3
6 J8, J9, J10,
J11, J12, J13
CONN HEADER VERT 2POS .100
TIN
Tyco Electronics 3-644695-2
2 J18, J19 CONN TERM BLOCK 2.54MM 2POS Phoenix Contact 1725656
2 L5, L6 INDUCTOR 10UH 450MA 1210 Murata Manufacturing
Co., Ltd.
LQH32CN100K53L
1 LC1 DO NOT POPULATE — —
1 LC2 Load cell AMA–2kg Xiamen Kuanyi Electronic
Technology Co., Ltd.
AMA-2
1 LCD1 16X2 LCD Character Display Fema Electronics
Corporation
CG1626-SGR1
1 P2 6way pins MCU programming Tyco Electronics 3-644456-6
1 PCB RoHS Compliant Bare PCB,
MCP3421 Weight Scale Demo Board
— 104-00250
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.