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.

Results: 10
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Isolation Number of Outputs Output Power Input Voltage, Nominal Input Voltage - Min Input Voltage - Max Output Voltage-Channel 1 Output Current-Channel 1 Isolation Voltage Package/Case Length Width Height Industry Maximum Operating Temperature Minimum Operating Temperature Series
Wurth Elektronik DC/DC Converters - SMD WPME-FISM 12Vin/12Vout 1w 4kV SMT 363In Stock
Min.: 1
Mult.: 1
: 500

Isolated 1 Output 1 W 10.8 V 13.2 V 12 V 84 mA 4 kVDC SMT-8 12.7 mm 11.05 mm 6.25 mm Industrial + 105 C - 40 C WPME-FISM
Wurth Elektronik DC/DC Converters - SMD WPME-FISM 5Vin/12Vout 1w 4kV SMT 257In Stock
Min.: 1
Mult.: 1
: 500

Isolated 1 Output 1 W 4.5 V 5.5 V 12 V 84 mA 4 kVDC SMT-8 12.7 mm 11.05 mm 6.25 mm Industrial + 105 C - 40 C WPME-FISM
Wurth Elektronik DC/DC Converters - SMD WPME-FIMM Fixed Isolated MicroModule 329In Stock
12.400On Order
Min.: 1
Mult.: 1
: 400

Isolated 1 Output 1 W - 400 mV 5.5 V 5 V 200 mA 3 kV LGA-7 9 mm 7 mm 3.1 mm Industrial + 125 C - 40 C WPME-FIMM
Wurth Elektronik DC/DC Converters - SMD WPME-FISM Fixed Isolated SMT Module 823In Stock
1.000Expected 9/18/2026
Min.: 1
Mult.: 1
: 500

Isolated 1 Output 1 W 10.8 V 13.2 V 5 V 200 mA 3 kV SMT-8 12.7 mm 7.6 mm 6.25 mm Industrial + 105 C - 40 C WPME-FISM
Wurth Elektronik DC/DC Converters - SMD WPME-FISM SMT-8 Modu 5Vin 5Vout 2W 3kV 1.574In Stock
9.494On Order
Min.: 1
Mult.: 1
: 500

Isolated 1 Output 2 W 4.5 V 5.5 V 5 V 400 mA 3 kV SMT-8 13.2 mm 11.4 mm 7.55 mm Industrial + 105 C - 40 C WPME-FISM
Wurth Elektronik DC/DC Converters - SMD WPME-FISM SMT-8 Modu 24Vin 5Vout 2W 3kV
497Expected 10/9/2026
Min.: 1
Mult.: 1
: 500

Isolated 1 Output 2 W 21.6 V 26.4 V 5 V 400 mA 4 kV SMT-8 12.7 mm 7.6 mm 6.25 mm Industrial + 105 C - 40 C WPME-FISM
Wurth Elektronik DC/DC Converters - SMD WPME-FISM Fixed Isolated SMT Module
6.360On Order
Min.: 1
Mult.: 1
: 500

Isolated 1 Output 1 W 4.5 V 5.5 V 5 V 200 mA 3 kV SMT-8 12.7 mm 7.6 mm 6.25 mm Industrial + 105 C - 40 C WPME-FISM
Wurth Elektronik DC/DC Converters - SMD WPME-FISM 24Vin/12Vout 1w 4kV SMT
500Expected 11/6/2026
Min.: 1
Mult.: 1
: 500

Isolated 1 Output 1 W 21.6 V 26.4 V 12 V 84 mA 4 kVDC SMT-8 12.8 mm 11.1 mm 6.9 mm Industrial + 105 C - 40 C WPME-FISM
Wurth Elektronik DC/DC Converters - SMD WPME-FISM SMT-8 Modu 24Vin 5Vout 1W 3kV
1.927Expected 9/11/2026
Min.: 1
Mult.: 1
: 500

Isolated 1 Output 1 W 21.6 V 26.4 V 5 V 200 mA 4 kV SMT-8 12.7 mm 11.05 mm 6.25 mm Industrial + 105 C - 40 C WPME-FISM
Wurth Elektronik DC/DC Converters - SMD WPME-FISM SMT-8 Modu 12Vin 5Vout 2W 3kV
1.915Expected 9/11/2026
Min.: 1
Mult.: 1
: 500

Isolated 1 Output 2 W 10.8 V 13.2 V 5 V 400 mA 3 kV SMT-8 13.2 mm 11.4 mm 7.55 mm Industrial + 105 C - 40 C WPME-FISM