Minebea Stepper Motor Information & Specifications(Minebea Stepper Motor Data Circa 1999)Minebea Stepper Motor Part Number Decoding Table(Example Motor:28BB-H151-11)28 B B - H 1 51 -Size!peStep"n#leMotorCon$tr%ction Motor&en#t'$Di((erent)in*in#$+er$ion$Motor ,%t$i*eDiameter-n ent'$ ,("n -nc'(Example: Size28 . 2/80) ". 15 De#B . 1/5 De#2 . 18 De#M. 1/8 De#3. 5 De#S . 4/5 De#6.4/15 De#).1/815De#7.8/9 De# C . 2 9 : ;'a$e H!bri*H .2 9 : ;'a$e ;M< .2 9 : ;'a$e H!bri*M.2 9 : ;'a$e H!bri*3 .2 9 : ;'a$e H!bri*8 to 9 81 to 99B . ;ermanent Ma#net& . ;reci$ion= H!bri*< . ;reci$ion= H!bri*; ;reci$ion= 81 to99. Stan*ar*&1 to &9. )it' &ea*$cre>?1 to ?9. )it' ?ear.H!bri*;1 to ;9. )it' ;%lle!Specifications for Permanent Magnet Minebea Stepper MotorsSerie$@ o( Mo*el$in Serie$Motor!peSizemmStep*e#Be$t"cc%rac!arcminAate*C%rrentB;'a$e"mp$Cominal+olta#e+olt$85B2-H 2 ;M 15 18/8 18/8 8/1 8/4 5/8 12/888B2-H 2 ;M 28 18/8 18/8 8/2 8/: 2/1 4/815B"-H 4 ;M 45 15/8 9/8 8/2 8/8 2/8 8/815BB-H : ;M 45 1/5 2/4 8/2 8/8 2/8 8/811BB-H 4 ;M :4/2 1/5 2/4 8/4 8/5 5/: 1/524BB-H 4 ;M 51/: 1/5 2/4 8/4 8/8 :/9 12/8Mo*elC%mber)in*in#!peAate*+olta#e+olt$Aate*C%rrentB;'a$e"mp$)in*in#Ae$i$tanceB;'a$e,'m$Hol*in#orD%e#-cm-n*%ctancemHAotor-nertia#-cmE2DetentorD%e#-cm)ei#'t85B2-H885 Bipolar 5/8 8/25 28/8 21 1/8 8/85 2/585B2-H812 Bipolar 12/8 8/12 188/8 48 41/8 8/85 2/588B2-H881 6nipolar 4/8 8/19 28/8 :8 1/8 8/2 18 4888B2-H8:8 Bipolar 2/1 8/45 5/8 :8 5/8 8/2 18 4815B"-H851; 6nipolar 8/8 8/24 45/8 155 18/8 :/8 :8 188 15B"-H814;6nipolar :/8 8/:8 18/8 155 5/8 :/8 :8 188 15B"-H8:4; Bipolar 2/8 8/88 2/5 228 4/: :/8 :8 18815BB-H851; 6nipolar 8/8 8/24 45/8 155 21/8 :/8 48 18815BB-H814; 6nipolar :/8 8/:8 18/8 155 5/1 :/8 48 18815BB-H118; 6nipolar 5/5 8/22 48/8 198 11/8 1/5 45 5515BB-H8:4; Bipolar 2/8 8/88 2/5 285 :/5 :/8 48 18811BB-H252; 6nipolar 5/: 8/:5 12/8 588 11/8 12/8 88 1:811BB-H251; 6nipolar 1/5 8/48 25/8 :88 19/8 12/8 88 1:811BB-H2:8; Bipolar 5/: 8/:5 12/8 518 21/8 12/8 88 1:824BB-H251; 6nipolar 5/8 8/15 5/5 1=288 9/8 48/8 158 28824BB-H252; 6nipolar 12/8 8/4: 45/8 1=288 42/8 48/8 158 28824BB-H2:5; Bipolar :/9 8/15 5/5 1=:88 11/8 48/8 158 288Specifications for Hybrid Minebea Stepper MotorsMo*elC%mberAate*+olta#e+olt$Aate*C%rrentB;'a$e"mp$)in*in#Ae$i$tanceB;'a$e,'m$Hol*in#orD%e#-cm-n*%ctancemHAotor-nertia#-cmE2DetentorD%e#-cm)ei#'t1:;M-M28: 12/88 8/18 55/8 448 2:/8 11/8 58 1181:;M-M285 5/28 8/:8 14/8 448 :/8 11/8 58 11815;7-3281 18/88 8/25 :8/88 488 8/5 14/8 48 12815;7-328: 4/95 8/98 :/:8 588 1/5 14/8 48 12815;6-M884 :/28 8/18 5/8 188 :/8 11/8 118 11515;6-M885 1/58 8/:8 19/5 188 18/5 11/8 118 11511;M-