Qty

Reference

 Value

Manufacturer

Part Number

Price

     

5

C1-C5

See capacitor notes below. 10F 2.7V .075 ohm ESR, 5mm lead spacing

Maxwell Technologies Inc

BCAP0010 P270 T01

2.99

14.95

    

5

Alt

Better ESR and tolerance

Eaton Bussman

HV1030-2R7106-R

3.23

     

5

Alt

Better ESR and tolerance,  Better life at high temperatures

NessCap Co Ltd

ESHSR-0010C0-002R7

3.72

     

1

C6

10uF 25V X7R 5 mm lead spacing

TDK

FK26X7R1E106K

0.63

0.63

    

4

C7-C9, C19

22uF 10V X7R 5 mm lead spacing

TDK

FK20X7R1A226M

0.63

2.52

    

9

C10-C18

.1uF X7R 2.5 mm lead spacing

Vishay

K104K15X7RF53L2

0.10

0.90

    

2

D1,D3

1N5820 20V, 3A, .5V, Typ .25V at .5A

Fairchild Semiconductor

1N5820

0.49

0.98

    

1

D2

Red LED T-1 3/4

Kingbright

WP7113LSRD

0.17

0.17

    

1

F1

3A fuse

Littelfuse

0251003.MXL

0.71

0.71

    

REF

J1

20 pin edge connector

        

REF

J2

34 pin edge connector

        

3

J3,J6,J7

Shrouded 20 pin .1” dual row .23” mating length, .095” tail length .030uin GXT plating

FCI

75869-104LF

1.35

4.05

    

Alt

 

10uin gold of above

3M

D2520-6002-AR

1.89

     

Alt

Not recommended for J7

Unshrouded 20 pin .1” dual row .23” mating length, .095” tail length .030uin GXT plating

FCI

67996-220HLF

0.70

     

1

J4

Shrouded 34 pin .1” dual row .23” mating length, .095” tail length .030uin GXT plating

FCI

75869-106LF

1.95

1.95

    

Alt

 

10uin gold of above

3M

D2534-6002-AR

1.80

     

Alt

 

Unshrouded 34 pin .1” dual row .23” mating length, .095” tail length .030uin GXT plating

FCI

67996-134HLF

1.43

     

Alt

 

10uin gold of above

Sullins

PBC17DAAN

2.55

     

1

J5

Right angle drive power connector

Molex

15-24-4441

1.24

1.24

    

2

J8,J9

46 pin .1” dual row .23” mating length, .095” tail length. 50 Pin purchased since common and extra gives P1 and P4. Some distributors sell 46 pin.  .030uin GXT plating

FCI

67996-150HLF

1.53

3.06

    

Alt

 

10uin gold

Sullins

PBC25DAAN

3.41

     

Alt

 

10uin gold, 46 pin

Sullins

PBC23DAAN

3.19

     

1

P1, P9

2 pin .1” .23” mating length, .095” tail length

Leftover from J8,J9

  

0.00

    

REF

P2,P3, P5, P6, P10, P11

Holes for power/ground pickup if needed

        

1

P4

4 pin .1” dual row .23” mating length, .095” tail length

Leftover from J8,J9

  

0.00

    

2

P7, P8

8 pin .1” dual row .23” mating length, .095” tail length .030uin GXT plating

FCI

67996-208HLF

0.93

1.86

    
  

10uin gold

Sullins

PBC04DAAN

1.17

     

14

R1,R2,R3,R5-R7,R15,R17,R18,R20-R22, R24, R27

5.11k 1% 1/4 watt resistor. R15 only needs to be 1%

Yageo

MFR-25FBF52-5K11

0.10

1.40

    

Alt

  

KOA Speer

MF1/4DC5111F

0.06

     

Alt

  

Stackpole Electronics

RNF14FTD5K11

0.15

     

6

R8-R12, R14

1k 1% 1/4 watt resistor. Don't need to be 1%

Yageo

MFR-25FBF52-1K

0.10

0.60

    

Alt

  

KOA Speer

MF1/4DC1001F

0.06

     

1

R13

10 ohm 3W resistor. 14W peak power. Limits charging current to 1.2A,

Vishay

RWM041010R0JR15E1

0.63

0.63

    

1

R16

732 ohm 1% resistor

Yageo

MFR-25FBF52-732R

0.10

0.10

    

Alt

  

KOA Speer

MF1/4DC7320F

0.06

     
   

KOA Speer

MF1/4DCT52R7320F

0.06

     

1

R19

267 ohm 1% resistor

Yageo

MFR-25FBF52-267R

0.10

0.10

    

Alt

  

KOA Speer

MF1/4DC2670F

0.06

     

2

R4,R23

100 ohm 1% resistor. 5% should be ok

Yageo

MFR-25FBF52-100R

0.10

0.20

    

1

R25

51.1k ohm 1% resistor. 5% should be ok

Yageo

MFR-25FBF52-51K1

0.10

0.10

    

Alt

  

KOA Speer

 

MF1/4DC5112F

0.12

     

1

R26

10k ohm 1% resistor. 5% should be ok

Yageo

MFR-25FBF52-10K

0.10

0.10

    

2

RN1-RN2

10 pin SIP 150 ohm terminator

Bourns

4610X-101-151LF

0.40

0.80

    

Alt

  

Bourns

4310R-101-151LF

0.79

     

1

XRN1

10 pin SIP socket,10uin gold

Aries

10-0518-10

1.79

1.87

    

Alt

 

Tin contacts

Aries

10-0513-10T

1.87

     

Alt

 

Gold flash, 50 cycles max

TE Connectivity

1814655-7

1.86

     

Alt

 

20u” gold

TE Connectivity

1-1571994-0

4.71

     

1

U1

BEAGLEBONE BLACK

CircuitCo

BB-BBLK-000

 

55.00

    

2

U2,U5

74LVC245 3.3 to 5V translator 20 pin DIP

Texas Instruments

SN74LVC245AN

0.60

1.20

    

2

U4,U13

RS422 transceiver SOIC-14 32 Mbos

Exar

SP3497EEN-L

2.75

5.50

    

Alt

 

26 Mbps

TI

SN65HVD33DR

3.75

     

5

U6-U10

TL431LP 2.5V regulator

Fairchild Semiconductor

KA431AZTA

0.38

1.90

    

1

U11

I2C 256kb EEPROM

ON Semiconductor

CAT24C256LI-G

1.20

1.20

    

1

U12

12V 1.5A DC/DC

Murata

OKR-T/1.5-W12-C

3.97

3.97

    

Alt

 

See R24, R25 resistor note below for either U12 part

Artesyn

LDO03C-005W05-HJ

8.24

     

4

U14-U17

74ACT05 14 pin DIP

Texas Instruments

CD74ACT05E

0.67

2.68

    

4

P1, P7-P9

.1 Jumper with handle

TE

881545-5

0.17

0.68

    

Alt

 

.1 Jumper

3M

969102-0000-DA

0.10

     
           
    

Total price excluding pcb

111.05

    
    

Power holdup price in total

26.56

    
    

Beaglebone price in total

55.00

    
           

Notes:

          

U3 not used

    

R24 and R25 values are for when a LDO03H is used for U12. If OKR-T/1.5-W12-C is used don't install R24 and R25

    
           

Capacitor notes:

         

For C1-C5 there is a trade off between how well the capacitors fit and run time. . 3F is not sufficient if any significant amount of data waiting write-back to flash. 10F is plenty but won't fit standing up in half hight drive bay. 5F should be OK but capacity loss with aging may be a concern.

    
           

These are possible 15F options

    

5

C1-C5

 

Eaton Bussman

HV1325-2R7156-R

4.1

20.50

    
           

These are possible 5F options

    

5

C1-C5

 

Eaton Bussman

HV1020-2R7505-R

2.72

13.60

    

5

C1-C5

Better life at high temperatures

NessCap Co Ltd

ESHSR-0005C0-002R7

2.72

13.60