STM32F103CBT6 Alternatives: 128 KB Flash MCU Guide
The same die, the same 48-pin footprint, twice the flash — and the firmware work most people forget before they swap.
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Review searchable product records associated with UTC, then confirm the exact MPN, supplier path and commercial conditions through quotation. Manufacturer naming is a catalog field and does not state an authorized distribution relationship.
62783G-S18-R - UTC, SOP-18-300MIL
78D05AL-TN3-R - UTC, TO-252
78L05G-AB3-R - UTC LDO Regulator, SOT-89-3
BA6208G-S08-R - UTC Gate Driver, SOIC-8
LD1117AG-33-AA3-A-R - UTC LDO Regulator, SOT-223
LD1117AG-AD-AA3-A-R - UTC, SOT-223
LD1117AG-AD-TN3-A-R - UTC LDO Regulator, TO-252
LM1875L-TB5-T - UTC, TO-220B
LM339G-S14-R - UTC Comparator, SOP
LM386G-S08-R - UTC, SOP
LM393G-S08-R - UTC Comparator, SOP
M54133AG-S16-R - UTC, SOP-16
MC34118G-S28-R - UTC, SOP-28-300MIL
MC34119G-S08-R - UTC, SOP
TDA1519CL-H09-B-T - UTC, HSIP-9B
TDA2003L-TB5-T - UTC, TO-220-5
TDA2030AL-TB5-T - UTC, TO-220B
TDA2050L-TB5-T - UTC, TO-220-5
TDA2822L-D08-T - UTC, DIP
TDA7265L-J11-A-T - UTC Op Amp, HZIP-11A
TL431G-AB3-R - UTC, SOT
TL431G-AE2-R - UTC, SOT-23
TL431G-AE3-R - UTC, SOT-23
TL431NSG-AE2-R - UTC, SOT-23-3
Supply boundary
Product records help identify a manufacturer part number and technical family. A listed part may be fulfilled from Chip-seek warehouse-held stock or a reviewed sourcing channel. Source, quantity, packaging, date code, MOQ, price and lead time are confirmed before an order is accepted.
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Market signals, technical notes, and practical sourcing guidance for semiconductor procurement.
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