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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Browse development boards & modules available through Chip-seek. Stock, lead time and sourcing availability are subject to confirmation.
012004000800 - Industrial Shields Raspberry PLC v6 Programmable Logic Controller, 12-24 VDC
015001000800 - Industrial Shields, SOIC
2665116 - RS, Non-IC
2692380 - PHOENIX CONTACT, Non-IC
2701228 - PHOENIX CONTACT, Non-IC
2701625 - PHOENIX CONTACT, Non-IC
2702171 - PHOENIX CONTACT, Non-IC
2702230 - PHOENIX CONTACT, DIN-RAIL-MODULE
2861580 - PHOENIX CONTACT, DIN
2901533 - PHOENIX CONTACT, DIN
2901536 - PHOENIX CONTACT, DIN
2901537 - PHOENIX CONTACT, DIN
2902811 - PHOENIX CONTACT, DIN
2904035 - PHOENIX CONTACT, DIN-RAIL-MODULE
3G2A5-RT002-EV1 - OMRON, BULK
4682 - Adafruit, BGA
5103 - Adafruit, SOT-23
6BK1620-0AA00-0AA0 - SIEMENS, Non-IC
6ES71316BF012BA0 - SIEMENS, DIN
6ES71437BH000BB0 - SIEMENS, Non-IC
6ES7221-3BF50-0XB0 - SIEMENS, Non-IC
750-1505 - WAGO, Non-IC
750-1515/040-000 - WAGO, Non-IC
750-1607 - WAGO, DIN
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From the desk
Market signals, technical notes, and practical sourcing guidance for semiconductor procurement.
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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