MEAN WELL Switching Power Supply, IRM-20-3.3, 3.3V dc, 4.5A, 14.8W, 1 Output, 120 → 370 V dc, 85 → 264 V
- RS Stock No.:
- 135-8939
- Mfr. Part No.:
- IRM-20-3.3
- Brand:
- MEAN WELL
Bulk discount available
Subtotal (1 unit)*
£10.43
(exc. VAT)
£12.52
(inc. VAT)
FREE delivery for orders over £50.00
Temporarily out of stock
- 999,999,999 unit(s) shipping from 24 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 - 4 | £10.43 |
| 5 - 9 | £10.12 |
| 10 - 24 | £9.78 |
| 25 - 49 | £9.48 |
| 50 + | £9.18 |
*price indicative
- RS Stock No.:
- 135-8939
- Mfr. Part No.:
- IRM-20-3.3
- Brand:
- MEAN WELL
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | MEAN WELL | |
| Output Voltage | 3.3V dc | |
| Output Current | 4.5A | |
| Power Rating | 14.8W | |
| Number of Outputs | 1 | |
| Input Voltage | 120 → 370 V dc, 85 → 264 V ac | |
| Mounting Type | PCB Mount | |
| Package Type | Encapsulated | |
| Length | 52.4mm | |
| Width | 27.2mm | |
| Depth | 24mm | |
| Efficiency | 76% | |
| Minimum Temperature | -30°C | |
| Weight | 59g | |
| Maximum Temperature | +70°C | |
Select all | ||
|---|---|---|
Brand MEAN WELL | ||
Output Voltage 3.3V dc | ||
Output Current 4.5A | ||
Power Rating 14.8W | ||
Number of Outputs 1 | ||
Input Voltage 120 → 370 V dc, 85 → 264 V ac | ||
Mounting Type PCB Mount | ||
Package Type Encapsulated | ||
Length 52.4mm | ||
Width 27.2mm | ||
Depth 24mm | ||
Efficiency 76% | ||
Minimum Temperature -30°C | ||
Weight 59g | ||
Maximum Temperature +70°C | ||
Mean Well IRM-20 Series 20 W Single Output Encapsulated AC-DC Power Supply
The IRM-20 Series of encapsulated AC-DC power supplies meets anti-vibration demand up to 5G and provides resistance to dust and moisture while enhancing heat dissipation. The IRM-20 series is a 20 W single output compact solution and is ready to solder straight onto PCB boards. Featuring a universal input voltage range of 85 V ac to 264 V ac, these AC-DC module power supplies are highly versatile. Featuring low no-load power consumption below 0.1 W and high efficiency up to 85%, these switching power supplies meet worldwide regulations for power consumption. IRM-20 switch mode power supplies (SMPS) are a Class II design and include built-in EMI filtering components and excellent EMC features that prevent electromagnetic interference.
Features and Benefits:
High efficiency up to 85% (depending on model)
Isolation Class II
Compact size
Overvoltage, overload and short circuit protection
Universal AC input with full range
Cooled by free air convection
100% full load burn-in test
High reliability
Product Applications:
Suitable applications include hand held electronic devices, factory automation equipment, mechanical equipment and industrial electrical equipment.
Standards
Safety standards: UL60950-1, TUV EN60950-1 approved
EMC emission: Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3
EMC immunity: Compliance to EN61000-4-2,3,4,5,6,8,11, EN55024, heavy industry level (surge L-N: 1 KV), criteria A
EMC emission: Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3
EMC immunity: Compliance to EN61000-4-2,3,4,5,6,8,11, EN55024, heavy industry level (surge L-N: 1 KV), criteria A
Note
Available on EPLAN.