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ISO1540, I2C bidirectional isolator, STEMMA AT / Qwiic, Adafruit 4903
Brand: Adafruit
Product Code: AN-19253
Availability: 4-6 business days
Planned delivery date after ordering: 2025-12-12
Product Code: AN-19253
Availability: 4-6 business days
Planned delivery date after ordering: 2025-12-12
Ex Tax: 13.97€
Bidirectional I2C isolator manufactured by Adafruit. It is used in projects that require electrical separation of devices on the same bus. Equipped with ISO1540 chip, compliant with current safety standards. Fully bidirectional supports clock frequency up to 1 MHz. Powered from 3 V to 5 V (supplied on both sides of the module). There is also a STEMMA QT / Qwiic connector on the module board for quick and easy isolator connection.
Specification:
Specification:
- Layout: ISO1540
- Module type: bidirectional I2C isolator
- Power supply: from 3 V to 5 V
- Maximum clock frequency: up to 1 MHz
- Open-drain outputs with current flow capability:
- side 1: 3.5 mA
- side 2: 35 mA
- HBM ESD protection 4 kV on all pins (8 kV on bus pins)
- Safety certifications:
- 4242-VPK insulation according to DIN VDE V 0884-11: 2017-01
- Isolation of 2500-VRMS for 1 minute in accordance with UL 1577
- CSA approval according to IEC 60950-1 and IEC 62368-1 final standard
- CQC basic insulation according to GB4943.1-2011
- Terminations:
- solder fields
- STEMMA QT / Qwiic connectors
- Working temperature: from -40 °C to +125 °C
- Dimensions: 25,4 x 17,8 mm
- Bidirectional I2C bus isolator module
- Goldpin connectors - 2.54 mm pitch
Tags: iso1540, i2c, bidirectional, isolator, stemma, qwiic, adafruit, 4903, electronics logic, level, converters
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Local delivery in Lithuania
Purchased items are delivered locally through Venipak service. Depending on availability of items, orders are processed within 1-3 work days. Orders made until 1AM are shipped the same day.
Local delivery (1-4 w.d.) price for items of any size is through through courier service is 4.90€ (incl. VAT), if the amount of the shopping cart exceeds 150€ - delivery is free.
Local delivery price to Venipak parcel terminals (1-3w.d.) is 2.90€ incl. VAT, if the amount of the shopping cart exceeds 50€ - delivery is free.
Local delivery price to Omniva parcel terminals (1-3w.d.) is 3.90€ incl. VAT,if the amount of the shopping cart exceeds 70€ - delivery is free.
Payment on delivery (COD) +2.00€ (incl. VAT).
You can pay for the goods at the time of delivery to the courier in cash or by credit card. Payment to Omniva parcel terminals is only possible by bank card.
A separate delivery fee applies to oversized items, regardless of the amounts and conditions stated above.
International delivery pricing through courier service
International shipping prices depend on geographic location:
Latvia - 5.50€ (incl. VAT)
Estonia - 6.50€ (incl. VAT)
Paid orders of more than 150€ are shipped for free to Latvia and Estonia.
other countries - negiotiated individually.
International delivery pricing to Omniva/Venipak parcel terminals
Latvia - 6.00€ (incl. VAT)
Estonia - 8.50€ (incl. VAT)
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