Datasheet

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Printed-Circuit Board Layout, Bill of Materials, and Schematic

Table 1. Bill of Materials (continued)

Item Qty Mfg Mfg Part# Ref Des Description Value or Function

22 10 Panasonic ELJFA221J L1–L10 Inductor, SMT 220μH, 5%

23 1 Panasonic Parts on EVQPE104K S2 Jumper, THRU, 2P Square light touch switch, SMT, SPST, High-density, space saving

Order

Not Installed

24 2 Solder Shorted JUMPER-0402 W2, W3 Solder jumper, SMT, 2P, 0402 Jumper, SMT0402

25 1 Solder Short 3 pads JUMPER-0402-3P W1 Solder jumper, SMT, 3P Short all 3 pads

26 26 Vishay CRCW0402000Z R9, R10, R27, R28, R55, R56, R77, R78, R105, R106, R124, RES, SMT, 0402 RES, SMT, 0402, 1/16W, 0 Ω

R127, R134, R138, R148, R153, R157, R160, R164, R167,

R182, R187, R196, R200, R205, R208

26B 26 Vishay CRCW0402000Z R7, R8, R15–R22, R25, R26, R47, R48, R75, R76, R101, RES, SMT, 0402 RES, SMT, 0402, 1/16W, 0 Ω

Not Installed R102

27 10 Vishay/Dale CRCW04021000F100 R3, R4, R13, R14, R41, R42, R69, R70, R97, R98 RES, SMT, 0402 RES, SMT, 100 Ω, 1/16W, 1%, 100ppm

28 1 Vishay/Dale CRCW04021001F100 R195 RES, SMT, 0402 RES, SMT, 1kΩ, 1/16W, 1%, 100ppm

29 5 Vishay/Dale CRCW04024701F100 R140–R143, R185 RES, SMT, 0402 RES, SMT, 4.7 kΩ, 1/16W, 1%, 100ppm

30 20 Vishay/Dale CRCW040249R9F100 R5, R6, R23, R24, R43, R44, R71, R72, R99, R100, R126, RES, SMT, 0402 RES, SMT, 49.9 Ω, 1/16W, 1%, 100ppm

R137, R151, R159, R166, R184, R190, R191, R198, R207

31 16 Vishay/Dale CRCW04021001F100 R123, R125, R131, R135, R145, R149, R156, R158, R163, RES, SMT, 0402 RES, SMT, 0402, 1kΩ, 1%, 1/16W

R165, R171, R183, R192, R197, R204, R206

32 9 Panasonic ERJ-2RKF4020X R173–R181 RES, SMT, 0402 RES, SMT, 0402, 402 Ω, 1%, 1/16W

33 10 Panasonic ERJ-2RKF6341X R1, R2, R11, R12, R37, R38, R61, R62, R89, R90 RES, SMT, 0402 RES, SMT, 0402, 6.34 kΩ, 1%, 1/16W

34 16 Vishay/Dale CRCW0402499RFKED R128, R129, R139, R144, R154, R155, R161, R162, R168, RES, SMT, 0402 RES, SMT, 0402, 499 Ω, 1%, 1/16W

R169, R188, R189, R201, R202, R209, R210

35 9 1902D STANDOFFS Hex 4-40 With 1/4" 4-40 Screws

SPECIAL NOTES AND INSTRUCTIONS

Notes: 1) Line items 4, 5, 9, 12, 13, 23, 26B – Components are not installed.

2) Line items 24 and 25 – W1 Short all three pads. Short W2 and W3.

3) Line item 20B – U19 Use OPA820 in place of the OPA642

7.3 Schematic

The schematic drawings appear on the following page.

SLOU216B–January 2008–Revised January 2013 VCA8500BOARD

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