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 (30)

Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM SIP-7 Modu 24Vin 5Vout 1W 3kV 528In Stock
$5.21
$4.95
$4.66
$4.15
Min.: 1
Mult.: 1
Wurth Elektronik DC/DC Converters - SMD WPME-FISM 12Vin/12Vout 1w 4kV SMT 346In Stock
Cut Tape
$7.67
$7.30
$6.98
$6.56
Reel
$6.22
Min.: 1
Mult.: 1
: 500
Wurth Elektronik DC/DC Converters - SMD WPME-FISM 5Vin/12Vout 1w 4kV SMT 256In Stock
Cut Tape
$7.67
$7.30
$6.98
$6.56
Reel
$6.22
Min.: 1
Mult.: 1
: 500
Wurth Elektronik Power Management Modules WPME-FISM 3.3Vin/5Vout/1W/4kV 657In Stock
Cut Tape
$6.46
$6.12
$5.78
$5.73
Reel
$5.43
Min.: 1
Mult.: 1
: 500
Wurth Elektronik DC/DC Converters - SMD WPME-FISM SMT-8 Modu 5Vin 5Vout 2W 3kV 3,772In Stock
6,500Expected 2/10/2026
Cut Tape
$8.45
$7.86
$7.47
$6.75
Reel
$6.16
Min.: 1
Mult.: 1
: 500
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM 0.4A 3kVol 12 Vin 5 Vout SIP-7 163In Stock
500On Order
$6.13
$5.83
$5.54
$5.15
Min.: 1
Mult.: 1
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM 0.4A 3kVol 24 Vin 5 Vout SIP-7 123In Stock
$8.89
Min.: 1
Mult.: 1
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM 0.4A 3kVol 24 Vin 5 Vout SIP-7 109In Stock
$6.73
$6.39
$6.08
$5.68
Min.: 1
Mult.: 1
Wurth Elektronik DC/DC Converters - SMD WPME-FIMM Fixed Isolated MicroModule 2,588In Stock
17,600On Order
Cut Tape
$5.10
$4.84
$4.07
Reel
$3.51
Min.: 1
Mult.: 1
: 400
Wurth Elektronik DC/DC Converters - SMD WPME-FISM Fixed Isolated SMT Module 1,191In Stock
11,957On Order
Cut Tape
$6.04
$5.63
$5.33
$4.79
Reel
$4.69
Min.: 1
Mult.: 1
: 500
Wurth Elektronik DC/DC Converters - SMD WPME-FISM Fixed Isolated SMT Module 1,814In Stock
Cut Tape
$5.79
$5.51
$5.20
$4.62
Reel
$4.12
Min.: 1
Mult.: 1
: 500
Wurth Elektronik DC/DC Converters - SMD WPME-FISM SMT-8 Modu 24Vin 5Vout 1W 3kV 1,869In Stock
Cut Tape
$5.83
$5.56
$5.25
$4.92
Reel
$4.83
Min.: 1
Mult.: 1
: 500
Wurth Elektronik DC/DC Converters - SMD WPME-FISM SMT-8 Modu 12Vin 5Vout 2W 3kV 1,903In Stock
Cut Tape
$7.67
$7.30
$6.98
$6.23
Reel
$5.41
$5.37
Min.: 1
Mult.: 1
: 500
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM SIP-4 Modu 5Vin 5Vout 1W 1.5kV 1,380In Stock
4,200Expected 23/10/2026
$4.31
$3.96
$3.62
$3.20
Min.: 1
Mult.: 1
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM SIP-7 Modu 5Vin 5Vout 1W 3kV 2,625In Stock
$4.98
$4.72
$4.46
$4.04
Min.: 1
Mult.: 1
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM Fixed Isolated SIP Module 516In Stock
$5.70
$4.75
$4.46
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 316In Stock
$8.89
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 389In Stock
$7.24
$6.53
$6.11
Min.: 1
Mult.: 1
Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 1kV 2.97-3.63V Output 29In Stock
$8.87
Min.: 1
Mult.: 1
Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 1kV 4.5-5.5V Output 193In Stock
$7.24
$6.53
$6.11
Min.: 1
Mult.: 1
Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 4kV 4.5-5.5V Output 422In Stock
600Expected 4/12/2026
$7.58
Min.: 1
Mult.: 1
Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 1kV 10.8-13.2V Output 23In Stock
$7.24
$6.53
$6.11
Min.: 1
Mult.: 1
Wurth Elektronik DC/DC Converters - Through Hole FISM THT IsoVolt 4kV 10.8-13.2V Output 3In Stock
$7.58
Min.: 1
Mult.: 1
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM Fixed Isolated SIP Module 24In Stock
$5.24
$4.96
$4.68
$4.31
Min.: 1
Mult.: 1
Wurth Elektronik DC/DC Converters - Through Hole WPME-FISM SIP-4 Modu 24Vin 5Vout 1W 1.5kV 514In Stock
$4.46
$4.11
$3.78
$3.50
Min.: 1
Mult.: 1