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In Transformer Components

Our most popular products, based on sales and updated frequently.
01
XL4015 5A DC Buck Step Down Power Converter Voltage Current & LED Voltmeter USB
XL4015 5A DC Buck Step Down Power Converter Voltage Current & LED Voltmeter USB
  • Brand: JacobsParts
  • Type: Power Converter
  • Input Voltage: 5-36V
  • Frequency Min: 180KHz
  • Model #: DCMOD-F
  • Item #: 9SIA20PJYP6886
  • Return Policy: View Return Policy
$7.99
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02
USB Type C PD Voltage Trigger Test Module 9V 12V 20V Adjustable 5A 100W E-Mark
USB Type C PD Voltage Trigger Test Module 9V 12V 20V Adjustable 5A 100W E-Mark
$7.29
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03
5pcs JacobsParts MP1584 3.3V Fixed Output 3A DC Step Down Converter Buck Module 4.5-28V in
5pcs JacobsParts MP1584 3.3V Fixed Output 3A DC Step Down Converter Buck Module 4.5-28V in
  • Type: Current
  • Input Voltage: 28 Volts
  • Model #: DCMOD-I-ADJ
  • Item #: 9SIA20PJYP9731
  • Return Policy: View Return Policy
$6.59
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04
60W USB C PD 3.0 QC4+ & USB-A QC3.0 Fast Charger Step-Down Module 12V/24V DC IN
60W USB C PD 3.0 QC4+ & USB-A QC3.0 Fast Charger Step-Down Module 12V/24V DC IN
  • Brand: JacobsParts
  • Type: Step Down (Buck) Voltage Regulator
  • Input Voltage: 20 V
  • Power Rating: 60 W
  • Model #: USBMOD-O
  • Item #: 9SIA20PJZ33414
  • Return Policy: View Return Policy
$8.99
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05
XL6009 2A Boost Module DC-DC Adjustable Step Up Voltage Converter Power Supply
XL6009 2A Boost Module DC-DC Adjustable Step Up Voltage Converter Power Supply
  • Brand: JacobsParts
  • Type: Step-Up Voltage Regulator
  • Mounting Style: PCB Mount
  • Current Rating: 2 A
  • Model #: DCMOD-T
  • Item #: 9SIA20PJYT0157
  • Return Policy: View Return Policy
$7.49
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06
XL4015 5A DC-DC Buck Step-Down Voltage Converter Module Adjustable Power Regulator Board with LED Voltmeter
XL4015 5A DC-DC Buck Step-Down Voltage Converter Module Adjustable Power Regulator Board with LED Voltmeter
  • Brand: JacobsParts
  • Type: Current
  • Input Voltage: 38 Volts
  • Model #: DCMOD-E
  • Item #: 9SIA20PJYT0876
  • Return Policy: View Return Policy
$6.25
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07
JacobsParts 45W 12V/24V DC to USB Type C PD & Type A QC3.0 DC Fast Charge Step-Down Buck Power Adapter 5.5 x 2.1mm IP6518
JacobsParts 45W 12V/24V DC to USB Type C PD & Type A QC3.0 DC Fast Charge Step-Down Buck Power Adapter 5.5 x 2.1mm IP6518
  • Brand: JacobsParts
  • Type: USB Type C
  • Input Voltage: 32 Volts
  • Features: Fast Charging
  • Model #: USBMOD-N
  • Item #: 9SIC2JGKNZ0968
  • Return Policy: View Return Policy
Limited Time Offer
$20.40
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08
24W USB QC 3.0 Fast Charge Step-down Buck Module Power 12V 24V DC Input
24W USB QC 3.0 Fast Charge Step-down Buck Module Power 12V 24V DC Input
  • Brand: JacobsParts
  • Type: Step-Up Voltage Regulator
  • Input Voltage: 12 V
  • Power Rating: 24 W
  • Model #: USBMOD-K
  • Item #: 9SIA20PJZ05262
  • Return Policy: View Return Policy
$4.94
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09
60W DC Buck Boost Voltage Converter Constant Current Module Step Power Up / Down
60W DC Buck Boost Voltage Converter Constant Current Module Step Power Up / Down
$7.75
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10
5pcs MP1584 3.3V Fixed Output 3A DC Step Down Converter Buck Module 4.5-28V In
5pcs MP1584 3.3V Fixed Output 3A DC Step Down Converter Buck Module 4.5-28V In
  • Brand: JacobsParts
  • Type: buffer_44254
  • Input Voltage: 28 Volts
  • Model #: DCMOD-I-3V
  • Item #: 9SIA20PJYP7990
  • Return Policy: View Return Policy
$7.49
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11
48W Dual USB QC 3.0 Fast Charge Step-down Buck Module Power 12V 24V DC Input
48W Dual USB QC 3.0 Fast Charge Step-down Buck Module Power 12V 24V DC Input
  • Brand: JacobsParts
  • Type: Step Down (Buck) Voltage Regulator
  • Input Voltage: 12 V
  • Power Rating: 48 W
  • Model #: USBMOD-M
  • Item #: 9SIA20PJZ06545
  • Return Policy: View Return Policy
$5.49
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12
Micro-USB TP4056 3.7V Battery Charger Module Step-up Boost 5V 9V 12V 27V DC UPS
Micro-USB TP4056 3.7V Battery Charger Module Step-up Boost 5V 9V 12V 27V DC UPS
  • Type: Step-Up Voltage Regulator
  • Model #: CPNT-D
  • Item #: 9SIA20PJYP4468
  • Return Policy: View Return Policy
$2.99
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13
300W Synchronous Buck Module Constant Current CC CV DC DC Step Down Voltage Power Regulator 6-40V in to 1.2-36V 20A Out 5V 12V 24V
300W Synchronous Buck Module Constant Current CC CV DC DC Step Down Voltage Power Regulator 6-40V in to 1.2-36V 20A Out 5V 12V 24V
  • Type: Step Down (Buck) Voltage Regulator
  • Input Voltage: 6-40V DC
  • Model #: DCMOD-L
  • Item #: 9SIC00FKNT0978
  • Return Policy: View Return Policy
Limited Time Offer
$10.49
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14
USB-C PD Type-C DC Fixed Voltage Power Trigger Module 20V 5A Female
USB-C PD Type-C DC Fixed Voltage Power Trigger Module 20V 5A Female
  • Type: PD Trigger
  • Model #: POWTRIG-F-20V
  • Item #: 9SIA20PJYZ7378
  • Return Policy: View Return Policy
$5.75
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15
(5 Pack) JacobsParts DC Boost Module 3V 3.3V 3.7V 4.2V Input 5V 2A USB Output 10W Low Profile
(5 Pack) JacobsParts DC Boost Module 3V 3.3V 3.7V 4.2V Input 5V 2A USB Output 10W Low Profile
  • Brand: JacobsParts
  • Type: 5V
  • Input Current: 3A
  • Model #: USBMOD-D
  • Item #: 9SIA20PJZ33066
  • Return Policy: View Return Policy
$8.19
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16
USB Type-A QC 2.0 3.0 DC Voltage Trigger Module 9V 12V 20V Adjustable
USB Type-A QC 2.0 3.0 DC Voltage Trigger Module 9V 12V 20V Adjustable
  • Type: QC Trigger
  • Model #: POWTRIG-A-ADJ
  • Item #: 9SIA20PJYW0659
  • Return Policy: View Return Policy
$5.36
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18
NodeMCU Lua ESP8266 ESP-12F CP2102 Arduino compatible wifi development board
NodeMCU Lua ESP8266 ESP-12F CP2102 Arduino compatible wifi development board
  • Brand: JacobsParts
  • Type: Current
  • Input Current: 70mA (200mA MAX), Standby: <200uA
  • Power Rating: 4.5V ~ 9V (10VMAX)
  • Model #: ESP8266-B
  • Item #: 9SIA20PJYV6769
  • Return Policy: View Return Policy
$6.49
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19
(2 Pack) JacobsParts USB-C PD 15V DC Fixed Voltage Power Trigger Module 5A Type-C Female Input
(2 Pack) JacobsParts USB-C PD 15V DC Fixed Voltage Power Trigger Module 5A Type-C Female Input
$7.49
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20
15W USB 5V 3A DC Buck Voltage Step-down Module 9V 12V 24V Input DIY Car Charger
15W USB 5V 3A DC Buck Voltage Step-down Module 9V 12V 24V Input DIY Car Charger
  • Brand: JacobsParts
  • Type: Step Down (Buck) Voltage Regulator
  • Input Voltage: 5 V
  • Current Rating: 3 A
  • Model #: USBMOD-F
  • Item #: 9SIA20PJZ03497
  • Return Policy: View Return Policy
$3.99
Free Shipping