TFA9810_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 20 February 2008 25 of 29
NXP Semiconductors
TFA9810
Audio amplifier 2 x 12 W
14.8 Typical application: bill of materials
14.9 Snubber network
15. Test information
General Quality Specification for General Applications, Power management and
RF Power. Document SNW-FQ-611 refers.
Table 13. Typical application: bill of materials
Item Quantity Reference Part Description
1 2 C1, C2. 220 µF/35 V General purpose 85 °C, diameter 8 mm
2 5 C3, C4, C5, C31, C33. 100 nF/50 V SMD 0805 X7R
3 2 C16, C17. 1 µF/50 V SMD 1206 X7R
4 4 C6, C7, C18, C26 1 µF/25 V MKT
5 4 C8, C10, C21, C24. 220 pF/25 V SMD 0402 NP0
6 4 C9, C14, C19, C25. 220 nF/25 V SMD 0805 X7R
7 1 C11 47 pF/25 V SMD 0402 NP0
8 4 C12, C13, C20, C23. 680 nF/25 V MKT
9 1 C15 330 nF/25 V SMD 0805 X7R
10 1 C22. 68 pF/25 V SMD 0402 NP0
11 1 C32 1000 µF/25 V CE12-02R
12 3 J1, J3, J6. Screw terminal Two pins
13 2 J2, J5. CINCH CINCH
14 2 J4, J7 Jumper Closed on demo board only
15 2 L1, L2. BEAD SMD 1206 Würth Elektronik
DC < 0.5 Ω 10 MHz > 80 Ω
16 4 L3, L4, L5, L6. 22 µH 8RDY TOKO A7040HN-220M,
11RHBP TOKO A7503CY-220M or Sagami
7311NA-220M
17 5 R3 10 / 0.25 W / 5 % SMD 1206
18 4 R5, R14, R17, R26. 100 k / 0.1 W /
1 % for 20 dB
200 k / 0.1 W /
1 % for 26 dB
SMD 0603
19 12 R6, R7, R10, R11, R18,
R19, R22, R23, R31, R32,
R33, R34.
10 k / 0.1 W / 1 % SMD 0603
20 1 SW1 PCB switch Secme 090320901
21 1 U1 TFA9810T SOT287-1 (SO32) NXP Semiconductors
Table 14. Snubber network: bill of materials
Item Quantity Reference Part Footprint
1 4 C27, C28, C29, C30 470 pF, 25 V SMD 0805 X7R
2 4 R27, R28, R29, R30 10 / 0.25 W /
5 %
SMD 1206
