UM2170
Bill
of materials
DocID030279 Rev 1
19/24
Item Quantity Reference
Part/Value
Description
Manufacturer
Order code
19
1
D6
BAT54
Schottky diode
ST
BAT54JFILM
20
1
F1
1 A, 250 V
Fuse
Littelfuse
39211000000
21
2
J1, J2
Header 2
I/O connectors
Phoenix
1729128
22
1
J3
HEADER 5x2
10-pin/10-
position
shrouded
connector
CNC Tech
3220-10-0100-00
23
2
L1, L2
1 mH,
370 mA
Inductors
EPCOS
B82145A1105J
24
1
Q1
BSS123, 100 V,
0.17 A
Transistor
Fairchild
BSS123L
25
1
Q2
40 V, 0.2 A
Switching
transistor
Fairchild
MMBT3904
26
1
RV1
Varistor
Bourns
MOV-10D471K
27
1
R21
10R Fusible
Yageo
FRM-50JR-52-10R
28
2
R1, R4
4.7 K,
0.25 W
±0.05
Resistors
Panasonic
ERJ-8GEYJ472V
29
1
R2
220 K,
0.5 W
±0.05
Resistor
Stackpole
CFM12JT220K
30
1
R3
47 K,
0.5 W
±0.05
Resistor
Vishay
CRCW120647K0FKEA
HP
31
1
R20
DNM
Resistor
32
3
R5, R6,
R22
470 K, 0.125 W
±0.05
Resistor
Panasonic
ERJ-6GEYJ474V
33
1
R19
18 K, 0.125 W
±0.01
Resistor
Panasonic
ERJ-6ENF1802V
34
2
R15, R18
10 K, 0.125 W
±0.01
Resistors
Yageo
RC0805FR-0710KP
35
1
R9
1 K±0.05
Resistor
Panasonic
ERJ-6GEYJ102V
36
1
R17
10 K,
0.1 W
±0.01
Resistor
Yageo
RC0603FR-0710KL
37
1
R11
100 K,
0.1 W
±0.01
Resistor
Yageo
RC0603FR-07100KL
38
1
R7
0.125 W±0.01
Resistor
Yageo
RC0805FR-07100KL
39
1
R16
2.7 K, 0.125 W
±0.01
Resistor
Stackpole
RMCF0805FT2K70