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Keep your BOM under budget and save development time!

  • Efficiency up to 92%
  • Direct replacement for 7805 linear regulator
  • Max. 7-28Vin
  • 5Vout @ 1A
  • EN60950-1 certified
  • No heatsink required!
  • Low Profile (11.6 x 8.5 x 10.4 mm)
  • OEM price as low as US-$ 2.10
R-78E series: Switching regulators in SIP3 case
  • Direct replacement for 7805 linear regulator and common TO-220-linear packages
  • Price effective, energy saving drop-in replacement solution
  • Full industrial temperature range of  -40°C to +85°C (+70°C without derating)
  • Allows operation from both an industrial 24V bus as well as from 9V, 12V or 24V battery systems
  • Fully protected against overload, short circuit and over-temperature conditions
  • Dimension: 11.6 x 8.5 x 10.4 mm
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
R-78E3.3-0.5 1.65 6-28 VDC 3.3 500 1 SIP3 - yes
R-78E5.0-0.5 2.5 7-28 VDC 5 500 1 SIP3 - yes
R-78E5.0-1.0 5 8-28 VDC 5 1000 1 SIP3 - yes
  • Cost effective and high quality
  • 5V input/output and 1kVDC isolation
  • Operating temperature range of -40°C to +85°C
  • UL certified
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
ROE-0505S 1 5 VDC 5 200 1 SIP4 1 -
  • 5V input/output
  • 1kVDC isolation
  • Ideal for applications such as isolation for bus systems and interfaces
  • Operating temperature range of -40°C to +85°C
  • UL certified
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
R1SE-0505 1 5 VDC 5 200 1 SMD 5 Pin 1 -
  • 5V input/output
  • 1kVDC isolation
  • Ideal for applications such as isolation for bus systems and interfaces
  • Operating temperature range of -40°C to +85°C
  • UL certified
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
RBE-0505S 1 5 VDC 5 200 1 SIP7 1 -
  • 5V input/output
  • 1kVDC isolation
  • Operating temperature range of -40°C to +85°C
  • UL certified
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
REE-0505S 1 5 VDC 5 200 1 SIP7 1 -
  • 5V input/output
  • 4kVDC isolation
  • Low output ripple
  • Industry standard pinout
  • UL certified
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
RKE-0505S/H 1 5 VDC 5 200 1 SIP7 4 -

Other cost-effective parts for inquiry:

Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
R-78E3.3-1.0 3.3 7-28 VDC 3.3 1000 1 SIP3 - yes
R-78E9.0-0.5 4.5 12-28 VDC 9 500 1 SIP3 - yes
R-78E12-0.5 6 15-28 VDC 12 500 1 SIP3 - yes
R-78E15-0.5 7.5 18-28 VDC 15 500 1 SIP3 - yes
  • Low Profile 4.0mm
  • Low Cost
  • Wide Input Range (5V - 36V)
  • Short Circuit Protection
  • Castellated Connections
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
ROF-78E3.3-0.5SMD-R 1.65 5-36 VDC 3.3 500 1 open Frame - yes
ROF-78E5.0-0.5SMD-R 2.5 9-36 VDC 5 500 1 open Frame - yes
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
ROE-3.305S 1 3.3 VDC 5 200 1 SIP4 1 -
ROE-0512S 1 5 VDC 12 84 1 SIP4 1 -
ROE-0515S 1 5 VDC 15 66 1 SIP4 1 -
ROE-1205S 1 12 VDC 5 200 1 SIP4 1 -
ROE-1505S 1 15 VDC 5 200 1 SIP4 1 -
ROE-2405S 1 24 VDC 5 200 1 SIP4 1 -
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
R1SE8-0505 1 5 VDC 5 200 1 SMD 8 Pin 1 -
  • SMD case style
  • Tape and reel packaging
  • UL-60950-1 certified
  • High operating temperature range from -40°C to 100°C
  • Efficiency up to 76%
  • 2kVDC isolation
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
R1SE-3.305/H2-R 1 3.3 VDC 5 200 1 SMD 5 Pin 2 -
R1SE-0505/H2-R 1 5 VDC 5 200 1 SMD 5 Pin 2 -
R1SE-0512/H2-R 1 5 VDC 12 84 1 SMD 5 Pin 2 -
R1SE-0515/H2-R 1 5 VDC 15 66 1 SMD 5 Pin 2 -
R1SE-1205/H2-R 1 12 VDC 5 200 1 SMD 5 Pin 2 -
R1SE-1505/H2-R 1 15 VDC 5 200 1 SMD 5 Pin 2 -
Datasheet Part number Power (W) Vin Vout (VDC) Iout (mA) Outputs Case Isolation (kV) SCP (cont.)
RKE-1205S/H 1 12 VDC 5 200 1 SIP7 4 -
RKE-2405S/H 1 24 VDC 5 200 1 SIP7 4 -