Replacement selection table.


Where a row of the table lists nothing in column two, the entries in that row are an alternative to the row above.


BOM Line
Part Was
Mfg
Proposed Replacement
Preferred or recommended
alternate Mfg.
Remarks

Components blessed by Ed for deployment into the ice.  Changes included in DOM MB Rev 3.

208
1812K121R Bead
Steward
EMI 1812-125
Delevan

379
Bead, LI0805D121R
Steward
EMI 0805-120
Delevan

65 2N7002 Fairchild 2N7002E Vishay
117 BAS70-04 Philips BAS70-04 MicroSemi
118 BAV103-7 Diodes Inc 1N5615US MicroSemi Slightly larger footprint than MELF
http://www.microsemi.com/catalog/part.asp?id=3704



BAV103 Vishay Same footprint as Diodes Inc part.
119 BCX70K Infineon BCX70K Vishay
125 DL4004MS Diodes Inc 1N3595US-HRDGLASS MicroSemi Same footprint http://www.microsemi.com/catalog/part.asp?id=3683
161 NC7SZ126M5 Fairchild 74LVC1G126GW Philips no IDT, no National
172 SN74AHCT1G126DBV TI 74LVC1G126GW Philips no IDT, no National
173 SN74AHCT1G14DBV TI 74LVC1G14GW Philips no IDT, no National
180 TT1.501-KK81 Mini-Circuits MLP-2012 BTTC-Beta Transformer Low profile; Change from 1:1 to 1:1.5 impedance ratio



PT-31406 Datatronics High profile
174 T1-6-16-KK81 Mini-Circuits MUB55D Vanguard 1:1 ratio
176 T3-1T-3-KK81 Mini-Circuits MUB510D Vanguard 1:2 impedance ratio

Components selected for Rev 4, pending approval by 'reliability team'

157 MMBD4448HTC Diodes Inc BAV70 Vishay Low Capacitance Dual Diode
158 MMBD4448HTS-7 Diodes Inc BAV99 Vishay Low Capacitance Dual Diode
159 MMBTH81 Fairchild BF579 Vishay Inferior performance



BF569 Vishay Untested
132 FIN1017K8X (US8)
Fairchild SN65LVDS1 (SOIC8)
TI Lower power than alternates,  Change footprint



DS90LV017ATM (SOIC8)
National No Philips or IDT, Change footprint
133 FIN1018K8X (US8) Fairchild SN65LVDS2 (SOIC8)
TI
Lower power than alterantes, Change footprint



DS90LV018ATM (SOIC8) National No Philips or IDT, Change footprint
134 FIN1101M Fairchild SN65LVDS100
TI Lacks gate enable -- not suitable, no philips or IDT



DS90LV001TM National Same footprint
135 FSTD16211MTD Fairchild SN74CBT16211CDGGR
TI




CBT16211DGG
Philips

136 FSTD3125QSC Fairchild SN74CBT3125CPWR
TI




CBT3125D
Philips

    
colored cells indicate a particular part is preferred.

    
colored cells indicate a choice is still available. 

    
colored cells indicate components may be freely substituted in the DOM MB design

    
colored cells indicate that the mixing of brands of parts is not recommended, or forbidden

    
colored cells indicate that, though approved, for technical reasons, the option cannot be taken. 
Inductors  (listed in order of preference for various technicalreasons.. See notes in last column
121 CDRH5D18-4R1 Sumida SPD62-472M Delevan
Sumida part recommended by Maxim in switcher data sheet
SPD is Shielded; Slightly bigger land pattern than PM54



P1812-392K Delevan
Rectangular => footprint change



4922-09L Delevan
Rectangular => footprint change



PD54-392M Delevan
Unshielded, but small)
166 PM54-100M JWMiller SPD62-103M Delevan
Shielded; Slightly bigger land pattern



PD54-103K Delevan
(like JWMillerpart)



P1812-103K Delevan
Rectangular => footprint change



4922-13L Delevan
Rectangular => footprint change
167 PM54-221K JWMiller SPD73-334M
Delevan
Shielded; Even bigger land pattern than SPD62



SPD62-224M Delevan
Shielded; Slightly bigger land pattern than PM54



PD54-224K Delevan
like JWMillerpart



P1812-224K Delevan
Rectangular => footprint change



4922-29L Delevan
Rectangular => footprint change