ISO1540, I2C bidirectional isolator, STEMMA AT / Qwiic, Adafruit 4903

• 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

Claim orders from Stores

You can claim your purchased items within 1 - 4 work days after making an order (if product is in local warehouse).

Please wait for an email notification regarding Your order status update.

Vilnius Store address: Vytenio g. 20, LT-03229 Vilnius, Lietuva

Kaunas Store address: Pramonės pr. 4D, LT-51329, Kaunas, Lietuva

Local delivery

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  (1-2 w.d.) price for items of any size is through through courier service is 4.50€ (incl. VAT). 

Local delivery price to Venipak parcel terminals (1-3w.d.) is 2.50€ incl. VAT.

Local delivery price to Omniva parcel terminals (1-3w.d.) is 3.50€ incl. VAT.

Payment on delivery +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.

International delivery pricing through courier service

International shipping prices depend on geographic location:

Latvia - 5.50€ (incl. VAT)

Estonia - 6.50€ (incl. VAT)

other - negiotiated individually.

International delivery pricing to Omniva parcel terminals

Latvia - 6.00€ (incl. VAT)

Estonia - 8.50€ (incl. VAT)

Payments:

We accept payments via PayPal for orders over 20€.

Paid orders of more than 100€ are shipped for free to Baltic countries.

Product availability status meaning:

Vilnius Store In Stock - the product is at the store, Vytenio str. 20 in Vilnius and can be picked up / purchased the same day;

Kaunas Store In Stock - the product is at the store, Pramonės pr. 4D in Kaunas and can be picked up / purchased the same day;

Central Warehouse In Stock - In stock, product will be shipped in a short time 1-2 work days, there is no possibility to pickup on the spot;

1-2 work days - product will be shipped in a short time - 1-2 business days;

1-2 work days – we don’t have selected product in stock. Shipping time is only 1-2 work days;

3-5 work days – we don’t have selected product in stock. Shipping time is between 3-5 work days;

3-7 work days – we don’t have selected product in stock. Shipping time is between 3-7 work days;

Out of Stock – selected product is sold out at the moment, but you can apply for automatic alert by email when product will be in stock.