Recom Switching Regulator, Surface, 3.3V dc Output Voltage, 500 mA Output Current, 1 Outputs

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Subtotal (1 unit)*

TWD139.00

(exc. GST)

TWD145.95

(inc. GST)

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  • 94 unit(s) ready to ship from another location
  • Plus 454 unit(s) shipping from June 03, 2026
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1 - 124TWD139.00
125 - 249TWD135.00
250 +TWD133.00

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Packaging Options:
RS Stock No.:
777-3301
Mfr. Part No.:
ROF-78E3.3-0.5SMD-R
Manufacturer:
Recom
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Brand

Recom

Product Type

Switching Regulator

Output Voltage 1

3.3V dc

Output Current

500mA

Mount Type

Surface

Number of Outputs

1

Power

1.65W

Efficiency

84%

Ripple and Noise

100mV

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Series

ROF-78E-0.5SMD

Package Type

Surface Mount

Line Regulation

±1 %

Weight

1g

Length

12.5mm

Standards/Approvals

RoHS

Depth

4.5mm

Width

13.5mm

Maximum Input Voltage

36V dc

Load Regulation

±3 %

MTBF

3500000h

Minimum Input Voltage

5V

COO (Country of Origin):
TW

RECOM Switching Regulator, 5 to 36V DC Input Voltage, 3.3V DC Output Voltage - ROF-78 Series - ROF-78E3.3-0.5SMD-R


To efficiently convert input voltage for your electronic system, choose this single-output DC/DC switching regulator from RECOM. The 1.65W-rated unit changes input voltages between 5 and 36V DC to an output of 3.3V DC that your devices can handle. Thanks to line regulation of ±1%, this unit withstands variations in the input voltage to provide a constant output voltage for greater reliability. Its average time between failures of 3500 x 10³ hours gives you the reassurance of a long working life.

Features & Benefits


• Wide operating temperature range of -40°C to +85°C for use in demanding environments

• Surface mounted, so it's easy to install without specialist tools

• Load regulation of ±3% ensures a constant output current for greater reliability

Applications


• Battery-powered applications

• Computers and laptops

• Power supplies

What's the maximum output current of this unit?


The maximum output current of this unit is 500mA, so it's a versatile option.

Can this unit be installed in tight spaces?


Yes. It weighs just 1g and measures 12.5 (L) x 13.5 (W) x 4.5mm (H), so fits into tighter spaces in your system.

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