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Obsolete Parts
 
We have provided links to the datasheets for Bourns obsolete products in the list below. If the information you have requested refers to a Bourns part that has been declared obsolete, please contact our customer service department for verification.

Central Office & Outside Plant  
240X Series PDF, (200K)
3610A Series PDF, (232K)
3611 Series PDF, (236K)
3612 Series PDF, (276K)
5-Pin Protector Panels PDF, (68K)
Chip Diodes  
ESD & EMI Filter Products  
2DAA-F6R PDF, (248K)
2DAB-F6RPDF, (248K)
2DAC-C16RPDF, (256K)
2DAD-C5R PDF, (236K)
2FAA-M20R PDF, (308K)
2FAB-M20R PDF, (308K)
2FAD-C20R PDF, (264K)
2FAE-C15RPDF, (240K)
2FAF-C10R PDF, (248K)
2FAF-M8R PDF, (244K)
2FAG-C15RPDF, (260K)
2FAG-M12R PDF, (220K)
2FAH-C20R PDF, (240K)
2FAI-M16R PDF, (376K)
2FAJ-M16R PDF, (380K)
2FAK-C15R PDF, (240K)
2FAL-M16R PDF, (220K)
2FAM-C5RPDF, (256K)
2FAN-C5RPDF, (260K)
2FAP-M12R PDF, (296K)
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GDT  
Below is a list of obsolete part numbers and replacement part numbers. Click on the replacement part number to view the current data sheet.
Obsolete P/N Replacement P/N
2026-07-B5 2026-07-B
2026-09-BY 2026-09-B
2026-09-C2F1 2026-09-C2F
2026-09-C2S 2026-09-C2
2026-09-C2YS 2026-09-C2
2026-09-C4S 2026-09-C4
2026-09-C4YS 2026-09-C4
2026-09-C4YSF 2026-09-C4F
2026-15-B5 2026-15-B
2026-15-C2S 2026-15-C2
2026-20-C2S 2026-20-C2
2026-20-C2Y 2026-20-C2
2026-20-C2YS 2026-20-C2
2026-23-B5 2026-23-B
2026-23-C2F1 2026-23-C2F
2026-23-C2-MSP 2026-23-C2M136
2026-23-C2S 2026-23-C2
2026-23-C2YF1 2026-23-C2F
2026-23-C2YS 2026-23-C2
2026-23-C3S 2026-23-C3
2026-25-BY 2026-25-B
2026-25-C2AF1 2026-25-C2AF
2026-25-C2F1 2026-25-C2F
2026-25-C2S 2026-25-C2
2026-25-C2YF1 2026-25-C2F
2026-25-C2YS 2026-25-C2
2026-25-C4S 2026-25-C4
2026-25-C4YS 2026-25-C4
2026-30-B5 2026-30-B
2026-30-BY 2026-30-CB
2026-30-C2S 2026-30-C2
2026-33-C16-MSP 2026-33-C16M143
2026-33-C2-MSP 2026-33-C2M143
2026-35-B5 2026-35-B
2026-35-C2F1 2026-35-C2F
2026-35-C2S 2026-35-C2
2026-35-C3S 2026-35-C3
2026-35-C4S 2026-35-C4
2026-40-B5 2026-40-B
2026-40-C2S 2026-40-C2
2026-40-C2Y 2026-40-C2
2026-40-C3S 2026-40-C3
2026-47-B5 2026-47-B
2026-60-B5 2026-60-B

2027-09-BY 2027-09-B
2027-15-BY 2027-15-B
2027-23-AY 2027-23-A
2027-23-BY 2027-23-B
2027-23-BYT1 2027-23-BT1
2027-23-R4 None
2027-25-AY 2027-25-A
2027-35-BS 2027-35-B

2035-15-AYS 2035-15-A
2035-15-BY 2035-15-B
2035-15-BYT1 2035-15-BT1
2035-23-AY 2035-23-A
2035-23-AYS 2035-23-A
2035-25-AYS 2035-25-A
2035-35-AY 2035-35-A
2035-35-AYS 2035-35-A
2035-35-BY 2035-35-B
2035-47-AY 2035-47-A
2035-110-SM 2039-110-SM

2036-09-BSM1 2036-09-SM-RP
2036-09-BSM3 2036-09-SM-RP
2036-15-BSM1 2036-15-SM-RP
2036-30-BY 2036-30-B
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Inductive Components  
3000 Series PDF, (560K)
3500 Series PDF, (560K)
4900 PDF, (564K)
9050 PDF, (92K)
9100 PDF, (93K)
9130 PDF, (110K)
9210 PDF, (107K)
9250 PDF, (668K)
CI201210 PDF, (356K)
CS201212 PDF, (360K)
DR332 PDF, (352K)
PM0402 PDF, (564K)
PM0402C PDF, (356K)
PM0402T PDF, (564K)
PM0603G PDF, (400K)
PM0603H PDF, (524K)
PM0603T PDF, (564K)
PM0805CM/PM1206CM PDF, (564K)
PM0805G PDF, (572K)
PM0805H PDF, (524K)
PM1008M PDF, (524K)
PM105S PDF, (132K)
PM1210G PDF, (120K)
PM1210H PDF, (360K)
PM12565S PDF, (360K)
PM1355 PDF, (400K)
PM1812G PDF, (120K)
PM1812H PDF, (480K)
PM2000 PDF, (408K)
PM20S PDF, (516K)
PM3316H PDF, (412K)
PM52 PDF, (404K)
PM63SB PDF, (404K)
PM73 PDF, (404K)
PM73SH PDF, (368K)
PMA PDF, (572K)
PMC PDF, (524K)
PMH PDF, (560K)
PT44201D PDF, (362K)
PT44216M4 PDF, (351K)
PT44216M4D PDF, (338K)
PT44240N1D PDF, (368K)
SM73818AE PDF, (142k)
SM76299 PDF, (228k)
SRP1050 PDF, (320k)
SRP1255 PDF, (276k)
SRP1280 PDF, (308k)
SRP7050 PDF, (228k)
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Line Protection Modules  
4A08P-505-RC PDF, (322K)
Linear Motion Potentiometers  
Model 141 PDF, (268K)
Network Interface Devices  
7005 PDF, (336K)
Networks  
800 Series PDF, (252K)
4K00L PDF, (148K)
4K00T PDF, (144K)
4600T/S/K PDF, (96K)
Sensors & Controls  
Dials
H-357 PDF, (140K)
H-507 PDF, (276K)
H-510 PDF, (54K)
Encoders
3375 PDF, (502K)
Panel Controls
3369 PDF, (52K)
3370 PDF, (100K)
3070 PDF, (72K)
52 PDF, (829K)
PDA12 PDF, (320K)
Precision Controls
3415 PDF, (60K)
3416 PDF, (64K)
3436 PDF, (60K)
3437 PDF, (48K)
3438 PDF, (56K)
3445 PDF, (68K)
3450 PDF, (72K)
3451 PDF, (176K)
3465 PDF, (216K)
3466 PDF, (60K)
3485 PDF, (80K)
3486 PDF, (52K)
3507 PDF, (56K)
3509 PDF, (52K)
3510 PDF, (168K)
3511 PDF, (56K)
3520 PDF, (56K)
3521 PDF, (60K)
3530 PDF, (52K)
3535 PDF, (60K)
3536 PDF, (60K)
3550 PDF, (56K)
3551 PDF, (60K)
3557 PDF, (60K)
3560 PDF, (52K)
3561 PDF, (56K)
3570 PDF, (56K)
3571 PDF, (56K)
3580 PDF, (184K)
3585 PDF, (56K)
3600 PDF, (215K)
3640 PDF, (72K)
3650 PDF, (76K)
3660 PDF, (68K)
3665 PDF, (64K)
3707 PDF, (52K)
6544 PDF, (40K)
6575 PDF, (48K)
87/88 PDF, (700K)
Slide Potentiometers
SSHA PDF, (3MB)
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Specialty Resistors  
PWR10020 PDF, (658K)
CR1210 PDF, (216K)
PWR3920S PDF, (268K)
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Switch Power - DC/DC Converters  
M10A PDF, (84K)
M15A PDF, (76K)
MS5A PDF, (236K)
MS10A PDF, (660K)
MX3A-12SA PDF, (316K)
MX5A-3-5SA PDF, (196K)
MX5A-12SA PDF, (188K)
MXT6A-3-5SA PDF, (300K)
MXT6A-12SA PDF, (304K)
MX(T)10A-3-5SA PDF, (308K)
MX(T)10A-12SA PDF, (316K)
MX(T)16A-3-5SA PDF, (320K)
MX(T)16A-12SA PDF, (328K)
SC5A PDF, (88K)
SC10A DAC PDF, (240K)
SLN10A-3SA PDF, (260K)
SLN10A-5SA PDF, (260K)
SPT5204Q PDF, (252K)
SPT5504C PDF, (232K)
SPT5504CL PDF, (232K)
SPT5504Q PDF, (224K)
ST10A PDF, (232K)
SX3A-12SA PDF, (288K)
SX5A-3-5SA PDF, (192K)
SX5A-12SA PDF, (204K)
SX(T)6A-3-5SA PDF, (252K)
SX(T)6A-12SA PDF, (252K)
SX(T)10A-3-5SA PDF, (280K)
SX(T)10A-12SA PDF, (288K)
SX(T)16A-3-5SA PDF, (284K)
SX(T)16A-12SA PDF, (292K)
SPT5204QL PDF, (252K)
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Switches  
7643 PDF, (92k)
7644 PDF, (84k)
7743 PDF, (88k)
7744 PDF, (92k)
7906 PDF, (104k)
7916 PDF, (72k)
SDHH PDF, (337k)
SDM PDF, (258k)
SDT PDF, (591k)
SDTM PDF, (350k)
SND PDF, (368k)
STJN-4 PDF, (117k)
STJN-5 PDF, (218k)
STSM PDF, (352k)
STSS PDF, (323k)
STW PDF, (387k)
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Thin Film on Silicon  
TISP® Thyristor Surge Protectors  
TISP3x00F3 PDF, (268K)
TISP3xxxH3SL PDF, (384K)
TISP4xxxF3LM PDF, (356K)
TISP4x00F3 PDF, (276K)
TISP4xxxH3LM PDF, (508K)
TISP4xxxM3LM PDF, (540K)
TISP61060 PDF, (740K)
TISP7xxxH3SL PDF, (388K)
TISP7070H3SLL PDF, (216K)
TISP7250H3SLL PDF, (216K)
TISP7290H3SLL PDF, (216K)
TISP7350H3SLL PDF, (176K)
LM Package PDF, (172K)
LMR Package PDF, (172K)
LMFR Package PDF, (172K)
Trimpot® Trimming Potentiometers  
Please refer to our Trimpot® Potentiometer Substitution Guide for possible alternatives to the following obsolete products.
20 PDF, (132K)
200 PDF, (474K)
224 PDF, (372K)
260 PDF, (184K)
271/273/275 PDF, (472K)
3000 PDF, (700K)
3001 PDF, (600K)
3010 PDF, (450K)
3020 PDF, (384K)
3049 PDF, (428K)
3052 PDF, (494K)
3053 PDF, (411K)
3067 PDF, (408K)
3068 PDF, (368K)
3069 PDF, (442K)
3070 PDF, (271K)
3099 PDF, (469K)
3266-LTC PDF, (120K)
3296-LC2 PDF, (140K)
3296-LTC PDF, (156K)
3272 PDF, (271K)
3280 PDF, (567K)
3282 PDF, (582K)
3300 PDF, (523K)
3304 PDF, (218K)
3305 PDF, (443K)
3311 PDF, (397K)
3316 PDF, (272K)
3318PS PDF, (343K)
3322 PDF, (564K)
3323 PDF, (312K)
3324 PDF, (400K)
3325 PDF, (328K)
3335 PDF, (352K)
3353 PDF, (504K)
3355 PDF, (540K)
3359 PDF, (416K)
3359/VA05 PDF, (199K)
3363 PDF, (244K)
3374 PDF, (192K)
7102B PDF, (140K)
7105A PDF, (140K)
7126C PDF, (140K)
7103C PDF, (140K)
7125B PDF, (140K)
7107C PDF, (140K)
7104D PDF, (140K)
7106B PDF, (140K)
7108A PDF, (140K)
TC03 PDF, (192K)
TC22 PDF, (300K)
TC43 PDF, (1.2M)
TC73 PDF, (188K)
TC76 PDF, (224K)
TC86 PDF, (333K)
TC89 PDF, (170K)
TDB06/TDB08/TDB10 PDF, (128K)
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Turns-Counting Dials  
H-550 PDF, (212K)
Transistors & Thyristors  
 

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