ST X-NUCLEO-S2868A2, User Manual

Page: 11 / 19

Item Q.ty Ref. Part/Value Description Manufacturer Order code
21 1 L2
10 µH 250 mA
SMD-0805
SMPS out inductor Murata LQM21FN100M70L
22 1 L7
12 nH 600 mA
±2% SMD-0603
Wire-wound Murata LQW18AN12NJ00D
23 1 L8
4.7 nH 220 mA
SMD-0402
Inductor
Johanson
Technology Inc.
L-07C4N7SV6T
24 1 L11
8.2 nH 550 mA
SMD-0402
not mounted Murata LQG15HS8N2J02D
25 2 L12, L13
27 nH 300 mA
SMD-0402
not mounted Taiyo Yuden HK100527NJ-T
26 3 R1, R2, R3
100 k 1/16 W
±10%
SMD-0402
Resistors Tyco Electronics CRG0402F100K
27 10
R4, R5, R10,
R11, R12, R13,
R14, R15, R16,
R22
1/16 W ±1%
SMD-0402
Resistors Tyco Electronics CRG0402ZR
28 6
R6, R7, R9,
R17, R18, R19 Resistors (not
mounted)
Any Any
29 1 R23
1/10 W ±5%
SMD-0402
Resistor Panasonic ERJ-2GEJ331X
30 1 R24
10 R 1/16 W
±1% SMD-0402
Resistor Yageo RC0402FR-0710RL
31 1 R37
0 R 1/16 W
±1% SMD-0402
Resistor Tyco Electronics CRG0402ZR
32 3 R35, R36, R38
2.2 K 1/16 W
±1% SMD-0402
Resistors Yageo RC0402FR-072K2L
33 1 TP1 Test point Any Any
34 1 U1 M95640 8-SOIC
64 Kbit SPI bus
EEPROM with
high-speed clock
ST M95640-RMN6TP
35 1 U2 S2-LP QFN-24L
Ultra-low power,
high performance,
sub-1 GHz
transceiver
ST S2-LPQTR
36 1 U3
Chip scale
package 0.4
mm pitch
50 Ω nominal
input / conjugate
match balun to S2-
LP, 868 - 927 MHz
with integrated
harmonics filter
ST BALF-SPI2-01D3
37 1 U4
STSAFE-A100
SO8N
Authentication and
brand protection
secure solution
(not mounted)
ST STSAFE-A100
38 1 Y1
50 MHz
EXS00ACS084
03
Crystal NDK NX1612SA
39 1/4 wave stubby
868-915 MHz
flexible whip
antenna
LPRS ANT-900MS/ ANT-900MR
40 1 L3
39 nH 300 mA
±5%
SMD_0402
Unshielded
multilayer inductor
Murata LQG15HS39NJ02D
UM2638
Bill of materials
UM2638 - Rev 1
page 11/19