Fixed Isolated Modules

Würth Elektronik Fixed Isolated Modules offer fixed input voltages of 3.3V/5V/12V/24V and a fixed 5V output voltage. These devices are suitable for applications in interface isolation/communication (RS232, RS485, CAN) to eliminate ground loops. The MagI3C modules operate at a typical 24V to 5V conversion at 0.2A, achieving 80% efficiency for SIP-4 and 81% for SIP-7. The FISM series offers fixed output voltage, fully integrated DC/DC power supplies. These devices require no external components for operation, which reduces design effort and keeps complexity to a minimum. The Würth MagI3C modules integrate the switching power stage, inductor, input, and output capacitors in one package. These modules comply with the low-noise electromagnetic emission norm EN 55022 class B. Approvals include IEC/EN60950-1, 2nd Edition; UL60950-1, 2nd Edition; and CSA C22.2 No. 60950-1-07, 2nd Edition.

All Results (29)

Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM 0.4A 3kVol 12 Vin 5 Vout SIP-7 529In Stock
Min.: 1
Mult.: 1

Wurth Elektronik DC/DC Converters - SMD WPME-FISM 5Vin/12Vout 1w 4kV SMT 350In Stock
Min.: 1
Mult.: 1
: 500

Wurth Elektronik DC/DC Converters - SMD WPME-FISM 12Vin/12Vout 1w 4kV SMT 348In Stock
Min.: 1
Mult.: 1
: 500

Wurth Elektronik DC/DC Converters - SMD WPME-FISM 24Vin/12Vout 1w 4kV SMT 350In Stock
Min.: 1
Mult.: 1
: 500

Wurth Elektronik Power Management Modules WPME-FISM 3.3Vin/5Vout/1W/4kV 753In Stock
Min.: 1
Mult.: 1
: 500

Wurth Elektronik DC/DC Converters - SMD WPME-FIMM Fixed Isolated MicroModule 3.552In Stock
2.400Expected 6/12/2026
Min.: 1
Mult.: 1
: 400

Wurth Elektronik DC/DC Converters - SMD WPME-FISM Fixed Isolated SMT Module 800In Stock
2.500On Order
Min.: 1
Mult.: 1
: 500

Wurth Elektronik DC/DC Converters - SMD WPME-FISM Fixed Isolated SMT Module 1.118In Stock
Min.: 1
Mult.: 1
: 500

Wurth Elektronik DC/DC Converters - SMD WPME-FISM SMT-8 Modu 24Vin 5Vout 1W 3kV 1.394In Stock
Min.: 1
Mult.: 1
: 500

Wurth Elektronik DC/DC Converters - SMD WPME-FISM SMT-8 Modu 5Vin 5Vout 2W 3kV 1.131In Stock
2.500Expected 7/24/2026
Min.: 1
Mult.: 1
: 500

Wurth Elektronik DC/DC Converters - SMD WPME-FISM SMT-8 Modu 12Vin 5Vout 2W 3kV 478In Stock
500Expected 5/22/2026
Min.: 1
Mult.: 1
: 500

Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM SIP-4 Modu 5Vin 5Vout 1W 1.5kV 1.307In Stock
Min.: 1
Mult.: 1

Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM SIP-7 Modu 5Vin 5Vout 1W 3kV 908In Stock
1.950On Order
Min.: 1
Mult.: 1

Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM 0.4A 3kVol 12 Vin 5 Vout SIP-4 291In Stock
Min.: 1
Mult.: 1

Wurth Elektronik DC/DC Converters - SMD WPME-FISM SMT-8 Modu 24Vin 5Vout 2W 3kV 115In Stock
500Expected 5/22/2026
Min.: 1
Mult.: 1
: 500

Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM SIP-4 Modu 24Vin 5Vout 1W 1.5kV 146In Stock
387On Order
Min.: 1
Mult.: 1

Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM SIP-7 Modu 24Vin 5Vout 1W 3kV 285In Stock
Min.: 1
Mult.: 1

Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 4kV 4.5-5.5V Output 649In Stock
Min.: 1
Mult.: 1

Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 1kV 2.97-3.63V Output 33In Stock
Min.: 1
Mult.: 1

Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 1kV 10.8-13.2V Output 28In Stock
Min.: 1
Mult.: 1

Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 4kV 10.8-13.2V Output 9In Stock
Min.: 1
Mult.: 1

Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM MagI3C Power Module 0.4A 1.5kV SIP-4 11.60 x 7.05 x 10x16 mm 16In Stock
129On Order
Min.: 1
Mult.: 1

Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM MagI3C Power Module 0.4A 3kV SIP-7 / 19.65 x 7.05 x 10.16 mm 148In Stock
25Expected 5/22/2026
Min.: 1
Mult.: 1

Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM 0.4A 3kVol 24 Vin 5 Vout SIP-7 4In Stock
129Expected 5/22/2026
Min.: 1
Mult.: 1

Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 1kV 4.5-5.5V Output
166On Order
Min.: 1
Mult.: 1