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.

Types of DC/DC Converters

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Results: 28
Select Image Part # Mfr. Description Datasheet Availability Pricing (DKK) Filter the results in the table by unit price based on your quantity. Qty. RoHS Isolation Mounting Style Number of Outputs Output Power Input Voltage, Nominal Output Voltage-Channel 1 Output Current-Channel 1 Industry
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM SIP-4 Modu 5Vin 5Vout 1W 1.5kV 5.580In Stock
20,37 kr.
18,65 kr.
17,08 kr.
15,07 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 1 W 5 V 200 mA Industrial
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM SIP-7 Modu 24Vin 5Vout 1W 3kV 528In Stock
24,54 kr.
23,35 kr.
22,01 kr.
19,55 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 1 W 5 V 200 mA Industrial
Wurth Elektronik DC/DC Converters - SMD WPME-FISM 12Vin/12Vout 1w 4kV SMT 346In Stock
Cut Tape
36,18 kr.
34,47 kr.
32,90 kr.
30,96 kr.
Reel
29,32 kr.
Min.: 1
Mult.: 1
: 500
Isolated SMD/SMT 1 Output 1 W 12 V 84 mA Industrial
Wurth Elektronik DC/DC Converters - SMD WPME-FISM 5Vin/12Vout 1w 4kV SMT 253In Stock
Cut Tape
36,18 kr.
34,47 kr.
32,90 kr.
30,96 kr.
Reel
29,32 kr.
Min.: 1
Mult.: 1
: 500
Isolated SMD/SMT 1 Output 1 W 12 V 84 mA Industrial
Wurth Elektronik DC/DC Converters - SMD WPME-FISM SMT-8 Modu 5Vin 5Vout 2W 3kV 3.772In Stock
6.500On Order
Cut Tape
39,84 kr.
37,08 kr.
35,21 kr.
31,85 kr.
Reel
29,09 kr.
Min.: 1
Mult.: 1
: 500
Isolated SMD/SMT 1 Output 2 W 5 V 400 mA Industrial
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM 0.4A 3kVol 12 Vin 5 Vout SIP-7 238In Stock
425Expected 23/10/2026
28,94 kr.
27,53 kr.
26,11 kr.
24,32 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 2 W 5 V 400 mA Industrial
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM 0.4A 3kVol 24 Vin 5 Vout SIP-7 123In Stock
41,93 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 2 W 5 V 400 mA Industrial
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM 0.4A 3kVol 24 Vin 5 Vout SIP-7 92In Stock
31,78 kr.
30,14 kr.
28,65 kr.
26,78 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 2 W 5 V 400 mA Industrial
Wurth Elektronik DC/DC Converters - SMD WPME-FIMM Fixed Isolated MicroModule 1.060In Stock
17.600On Order
Cut Tape
24,10 kr.
22,83 kr.
19,17 kr.
Reel
16,56 kr.
Min.: 1
Mult.: 1
: 400
Isolated SMD/SMT 1 Output 1 W 5 V 200 mA Industrial
Wurth Elektronik DC/DC Converters - SMD WPME-FISM Fixed Isolated SMT Module 1.191In Stock
11.957On Order
Cut Tape
28,50 kr.
26,56 kr.
25,14 kr.
22,60 kr.
Reel
22,16 kr.
Min.: 1
Mult.: 1
: 500
Isolated SMD/SMT 1 Output 1 W 5 V 200 mA Industrial
Wurth Elektronik DC/DC Converters - SMD WPME-FISM Fixed Isolated SMT Module 1.694In Stock
Cut Tape
27,30 kr.
25,96 kr.
24,54 kr.
21,78 kr.
Reel
19,47 kr.
Min.: 1
Mult.: 1
: 500
Isolated SMD/SMT 1 Output 1 W 5 V 200 mA Industrial
Wurth Elektronik DC/DC Converters - SMD WPME-FISM SMT-8 Modu 24Vin 5Vout 1W 3kV 1.859In Stock
Cut Tape
27,53 kr.
26,26 kr.
24,77 kr.
23,20 kr.
Reel
22,75 kr.
Min.: 1
Mult.: 1
: 500
Isolated SMD/SMT 1 Output 1 W 5 V 200 mA Industrial
Wurth Elektronik DC/DC Converters - SMD WPME-FISM SMT-8 Modu 12Vin 5Vout 2W 3kV 1.903In Stock
Cut Tape
36,18 kr.
34,47 kr.
32,90 kr.
29,39 kr.
Reel
25,51 kr.
25,36 kr.
Min.: 1
Mult.: 1
: 500
Isolated SMD/SMT 1 Output 2 W 5 V 400 mA Industrial
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM SIP-7 Modu 5Vin 5Vout 1W 3kV 2.269In Stock
23,50 kr.
22,23 kr.
21,04 kr.
19,02 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 1 W 5 V 200 mA Industrial
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM Fixed Isolated SIP Module 501In Stock
26,86 kr.
22,38 kr.
21,04 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 1 W 5 V 200 mA Industrial
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 389In Stock
34,17 kr.
30,81 kr.
28,80 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 2 W 5 V 400 mA Industrial
Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 1kV 2.97-3.63V Output 29In Stock
41,85 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 1 W 5 V 200 mA Industrial
Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 1kV 4.5-5.5V Output 193In Stock
34,17 kr.
30,81 kr.
28,80 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 1 W 5 V 200 mA Industrial
Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 4kV 4.5-5.5V Output 422In Stock
600Expected 04/12/2026
35,73 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 1 W 5 V 200 mA Industrial
Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 1kV 10.8-13.2V Output 23In Stock
34,17 kr.
30,81 kr.
28,80 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 1 W 5 V 200 mA Industrial
Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 4kV 10.8-13.2V Output 3In Stock
35,73 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 1 W 5 V 200 mA Industrial
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM Fixed Isolated SIP Module 24In Stock
24,69 kr.
23,42 kr.
22,08 kr.
20,37 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 1 W 5 V 200 mA Industrial
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM SIP-4 Modu 24Vin 5Vout 1W 1.5kV 494In Stock
21,04 kr.
19,40 kr.
17,83 kr.
16,49 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 1 W 5 V 200 mA Industrial
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 94In Stock
172Expected 04/12/2026
41,93 kr.
Min.: 1
Mult.: 1
Isolated Through Hole 1 Output 2 W 5 V 400 mA Industrial
Wurth Elektronik DC/DC Converters - SMD WPME-FISM 24Vin/12Vout 1w 4kV SMT
500Expected 06/11/2026
Cut Tape
36,18 kr.
34,47 kr.
32,90 kr.
30,96 kr.
Reel
28,87 kr.
Min.: 1
Mult.: 1
: 500
Isolated SMD/SMT 1 Output 1 W 12 V 84 mA Industrial