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Mean Well

Mean Well HRP-100-3.3 Power Supply 66W 3.3V 20A

built-in active PFChigh efficiency up to 90%no load power consumption <0.5W~0.75W
SKU HRP-100-3.3
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Select model — 7 in this family

HRP-100-3.3
Available to order
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Overview

HRP-100-3.3 is the 3.3V output model of this series: rated current 20A, rated power 66W, typical efficiency 78%.

Features

  • Universal AC input / Full range
  • Built-in active PFC function
  • High efficiency up to 90%
  • Withstand 300VAC surge input for 5 seconds
  • Protections: Short circuit / Overload / Over voltage
  • Protections: Over temperature (optional)
  • Cooling by free air convection
  • 1U low profile 38mm
  • Built-in remote ON-OFF control
  • No load power consumption<0.5W
  • All using 105℃ long life electrolytic capacitors
  • 5 years warranty

Specifications

HRP-100-3.3Specifications from the official datasheet (2026-04-03 edition)

OUTPUT

DC VOLTAGE
3.3V
RATED CURRENT
20A
CURRENT RANGE
0 ~ 20A
RATED POWER
66W
RIPPLE & NOISE (max.)Note.2
80mVp-p
VOLTAGE ADJ. RANGE
3.1 ~ 3.8V
VOLTAGE TOLERANCENote.3
+2.5,-3.5%
LINE REGULATION
±0.5%
LOAD REGULATION
±2.0%
SETUP, RISE TIME
2500ms, 100ms/230VAC 2500ms, 100ms/115VAC at full load
HOLD UP TIME (Typ.)
50ms/230VAC 20ms/115VAC at full load

INPUT

VOLTAGE RANGENote.5
85 ~ 264VAC 120 ~ 370VDC
FREQUENCY RANGE
47 ~ 63Hz
POWER FACTOR (Typ.)
PF>0.95/230VAC PF>0.98/115VAC at full load
EFFICIENCY (Typ.)
78%
AC CURRENT (Typ.)
1.1A/115VAC 0.6A/230VAC
INRUSH CURRENT (Typ.)
35A/115VAC 65A/230VAC
LEAKAGE CURRENT
<1mA / 240VAC

PROTECTION

OVERLOAD
105 ~ 135% rated output power Protection type : Constant current limiting for Vo=50 ~ 100% of rated voltage, recovers automatically after fault condition is removed
OVER VOLTAGE
3.96 ~ 4.62V Protection type : Shut down o/p voltage, re-power on to recover
OVER TEMPERATURE
Shut down o/p voltage, recovers automatically after temperature goes down

FUNCTION

REMOTE CONTROL
RC+/RC- : 0 ~ 0.8V= power on ; 4 ~ 10V = power off

ENVIRONMENT

WORKING TEMP.
-40 ~ +60℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.04%/℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes

SAFETY & EMC (Note 4)

SAFETY STANDARDS
UL62368-1,TUV BS EN/EN62368-1, AS/NZS62368.1, EAC TP TC 004 approved
WITHSTAND VOLTAGE
I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
ISOLATION RESISTANCE
I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
Compliance to BS EN/EN55032 (CISPR32) Class B, EN61000-3-2,-3, EAC TP TC 020
EMC IMMUNITY
Compliance to BS EN/ EN61000-4-2,3,4,5,6,8,11, BS EN/ EN55035, BS EN/ EN61000-6-2, heavy industry level, EAC TP TC 020

OTHERS

MTBF
2344.3K hrs min. Telcordia SR-332 (Bellcore) ; 295.8K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
159*97*38mm (L*W*H)
PACKING
0.56Kg; 24pcs/15Kg/0.9CUFT
Test conditions and notes6
  1. 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
  2. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor.
  3. 3. Tolerance : includes set up tolerance, line regulation and load regulation.
  4. 4. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
  5. 5. Derating may be needed under low input voltages. Please check the derating curve for more details.
  6. 6. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).

Technical drawings

HRP-100-3.3 Mechanical Specification
Mechanical Specification
HRP-100-3.3 Block Diagram
Block Diagram
HRP-100-3.3 Derating Curve
Derating Curve

Downloads

FAQ

Can I use the HRP-100-3.3 for 3.3V embedded processors, FPGA boards, or logic-heavy controllers?

Yes, if the equipment needs a constant 3.3V rail and the total draw stays within 20A and 66W. That makes it better aligned with high-current 3.3V electronics than higher-voltage models in the same family.

Is the HRP-100-3.3 suitable for industrial control electronics that run on a 3.3V backplane?

It can be used where the control electronics are designed for constant 3.3V DC and the combined load does not exceed 66W or 20A. Buyers should match it to 3.3V-only sections of the design, not to equipment that expects 5V, 12V, 24V, 36V, or 48V.

Can this model power multiple 3.3V embedded modules from one supply?

It can, as long as the total current remains within 20A and the total power remains within 66W. The constant-voltage 3.3V output is intended for equipment that already regulates around a fixed 3.3V DC input.

Is the HRP-100-3.3 intended for outdoor use or protected indoor equipment?

The temperature rating is -40°C to +60°C, so the operating range supports harsh indoor equipment environments. No IP rating is listed in the provided specs, so outdoor or washdown suitability is not established here.

When should I choose the HRP-100-3.3 instead of a larger 3.3V HRP model?

Choose it when your 3.3V load fits within 20A and 66W. If you need more 3.3V capacity, a larger model is required; check that model's own datasheet, as this sheet covers only the HRP-100 series.

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Mean Well HRP-100-3.3 Power Supply 66W 3.3V 20A
Mean Well

Mean Well HRP-100-3.3 Power Supply 66W 3.3V 20A

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HRP-100-3.3 is the 3.3V output model of this series: rated current 20A, rated power 66W, typical efficiency 78%.

Features

  • Universal AC input / Full range
  • Built-in active PFC function
  • High efficiency up to 90%
  • Withstand 300VAC surge input for 5 seconds
  • Protections: Short circuit / Overload / Over voltage
  • Protections: Over temperature (optional)
  • Cooling by free air convection
  • 1U low profile 38mm
  • Built-in remote ON-OFF control
  • No load power consumption<0.5W
  • All using 105℃ long life electrolytic capacitors
  • 5 years warranty

Model

  • 75W 3.3V
  • 100W 3.3V
  • 150W 3.3V
  • 200W 3.3V
  • 300W 3.3V
  • 450W 3.3V
  • 600W 3.3V
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