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IRM-15-12 12V 1.25A 15W PCB Mount AC-DC Power Supply Module
Rp115,000.00
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DAPPRA IRM-15-12 (SKU: SR08) is a 15W single output PCB-mount industrial power module with 12V DC / 1.25A output. Universal 85–264 VAC input, compact encapsulated design, 3000VAC isolation, short circuit and overcurrent protection — ideal for embedded systems and space-constrained PCB applications.
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Overview
IRM-15-12 (SR08) Overview
The DAPPRA IRM-15-12 (internal code SR08) is a 15W PCB-mount AC-DC encapsulated power module delivering 12V DC at 1.25A. It belongs to the IRM Series miniature PCB-mount power module platform, designed for direct soldering onto a printed circuit board inside compact industrial and commercial electronic equipment.
The module accepts a universal AC input range of 85–305VAC (or 120–430VDC), which is wider than the 85–264VAC range of the smaller IRM-05 and IRM-10 models. This makes the IRM-15-12 suitable for 277VAC systems and applications where mains voltage tolerance is broader. The regulated 12V output delivers up to 1.25A with approximately 82% typical efficiency.
Like the other IRM Series modules, the IRM-15-12 is fully encapsulated with free air convection cooling. Short circuit, overload and over voltage protection are built in. It is typically used to provide a 12V control rail on a control board, sensor board or relay board where a larger enclosed power supply is impractical.
Key Features
IRM-15-12 Key Features
A 15W PCB-mount 12V power module with wide 85–305VAC input.
- 15W Output · 12V / 1.25A12V DC at 1.25A (15W) from a compact encapsulated module.
- Wide AC Input 85–305VACAlso 120–430VDC. Suitable for 277VAC systems and wider mains tolerance.
- PCB-Mount Through-Hole PinsDirect soldering onto a printed circuit board — no DIN rail or chassis mounting required.
- Fully Encapsulated ConstructionProtects against dust, moisture and vibration.
- Free Air Convection CoolingNo fan, no external heatsink.
- ~82% Typical EfficiencyBalanced efficiency for a 15W-class module.
- Short Circuit / Overload / Over Voltage ProtectionBuilt-in protection functions.
- Compact 52.4 × 27.2 × 24 mm FootprintFits tight PCB assemblies.
- -30°C to +70°C Operating RangeWith derating above +50°C.
- 3-Year WarrantyStandard DAPPRA IRM Series warranty.
Specifications
IRM-15-12 (SR08) Specifications
Output
| Model | IRM-15-12 (SR08) |
| DC Voltage | 12V |
| Rated Current | 1.25A |
| Current Range | 0–1.25A |
| Rated Power | 15W |
| Ripple & Noise (max.) | 150mVp-p |
| Voltage Tolerance | ±2.0% |
| Line Regulation | ±0.5% |
| Load Regulation | ±1.0% |
Protection
| Short Circuit | Auto-recovery |
| Overload | Hiccup mode or constant current limiting, auto-recovery |
| Over Voltage | Shutdown with auto-recovery or re-power |
Input
| Voltage | 85–305VAC / 120–430VDC |
| Frequency | 47–63Hz |
| AC Current (typ.) | 0.4A @ 115VAC · 0.25A @ 230VAC |
| Inrush Current | Cold start, limited by internal circuitry |
| Efficiency (typ.) | ~82% |
Isolation & Construction
| Isolation | I/P–O/P: 3kVAC (Class II, no FG required) |
| Encapsulation | Fully potted / encapsulated module |
| Cooling | Free air convection |
Environment
| Working Temperature | -30 ~ +70°C (derating above +50°C) |
| Storage Temperature | -40 ~ +85°C |
| Working Humidity | 20–90% RH non-condensing |
| Cooling | Free air convection |
| Pollution Degree | 2 |
Safety & EMC
| Safety Standards | UL / IEC / EN 62368-1 (confirm marking on unit) |
| Isolation Class | Class II |
| EMC Emission | EN 55032 Class B (typical) |
| EMC Immunity | EN 61000-4 series |
Mechanical
| Dimensions (L×W×H) | Approx. 52.4 × 27.2 × 24 mm |
| Weight | Approx. 60 g |
| Mounting | PCB through-hole pins |
| Housing | Encapsulated module |
| Warranty | 3 Years |
Pin Assignment
| Pin | Function |
|---|---|
| 1 | AC/L |
| 2 | AC/N |
| 3 | DC OUTPUT +V |
| 4 | DC OUTPUT −V |
Verify pin numbering against the unit marking before soldering.
Notes
12V / 1.25A / 15W. PCB-mount encapsulated module. Wide input 85–305VAC / 120–430VDC. Class II construction. Free air convection cooling. Derating above +50°C.
Dimensions
IRM-15-12 Dimensions
Compact PCB-mount encapsulated module. All dimensions in mm, tolerance ±1 mm.
Mechanical
| Length (L) | Approx. 52.4 mm |
| Width (W) | Approx. 27.2 mm |
| Height (H) | Approx. 24 mm |
| Weight | Approx. 60 g |
| Housing | Encapsulated module |
Mounting & Clearance
| Mounting | PCB through-hole pins |
| Clearance (sides) | At least 5 mm recommended |
| Clearance (top) | At least 10 mm recommended for convection |
| Soldering | Hand-solder or wave-solder per profile |
Installation
IRM-15-12 Installation
The IRM-15-12 is soldered directly onto a PCB. Correct pin orientation and thermal management are essential.
01 / 06
PCB Through-Hole Soldering
Solder the module pins into the PCB through-hole pads. Confirm pin 1 orientation before soldering.
02 / 06
Pin Orientation
AC/L, AC/N, +V and −V pins must be correctly identified. Reversing AC and DC pins can destroy the module.
03 / 06
Thermal Clearance
Allow free air convection around the module. Keep at least 5 mm side clearance and 10 mm top clearance.
04 / 06
No FG/PE Required (Class II)
The IRM-15-12 is Class II and does not require an FG/PE connection for basic operation. Final equipment EMC and safety must still be evaluated.
05 / 06
External Input Fusing
Provide an external fuse or circuit breaker on the AC input side in accordance with the final equipment safety standard.
06 / 06
Derating Above +50°C
Full rated output is available up to approximately +50°C ambient. Above +50°C, derate output power.
Wiring
IRM-15-12 Wiring & Pin Assignment
Four-pin PCB-mount configuration. Verify pin numbering before soldering.
Pin Assignment
| Pin | Function |
|---|---|
| 1 | AC/L |
| 2 | AC/N |
| 3 | DC OUTPUT +V |
| 4 | DC OUTPUT −V |
Wiring Notes
| AC Input | Connect AC/L and AC/N to the mains supply through an external fuse. |
| DC Output | Connect +V and −V to the on-board load circuit. |
| FG/PE | Not required in Class II configuration. |
| Output Capacitor | Add a low-ESR electrolytic capacitor near the load if long output traces are used. |
Do not reverse AC and DC pins. Provide external input fusing. Keep AC and DC traces separated on the PCB.
Safety
IRM-15-12 Safety & Cautions
- Qualified technician only. Do not disassemble the encapsulated module.
- Risk of electric shock. Disconnect AC mains before soldering or handling.
- Do not reverse AC and DC pins — permanent damage may result.
- Provide external input fusing or branch-circuit protection.
- Burn hazard. The module body may be hot during operation.
- Do not exceed 1.25A / 15W rated output.
- Class II construction does not remove the need for final equipment EMC and safety evaluation.
- Keep ventilation clearances around the module.
- Component for final equipment; final EMC must be re-confirmed.
Applications
IRM-15-12 Applications
Industrial Control Boards
Sensor Interface Boards
Relay Driver Boards
Instrumentation
Embedded Power Sections
Compact Electronic Devices
Communication Equipment
Test & Measurement
Next Step
Need the IRM-15-12 (SR08)?
Contact DAPPRA Automation — or explore the full IRM Series.
Support
IRM-15-12 FAQ
What is the DAPPRA IRM-15-12 (SR08)?
The IRM-15-12 (internal code SR08) is a 15W PCB-mount AC-DC encapsulated power module delivering 12V DC at 1.25A. It belongs to the DAPPRA IRM Series miniature PCB-mount power module platform, accepts universal 85–305VAC input, and is designed for direct soldering onto a printed circuit board.
What is the input voltage range of the IRM-15-12?
The IRM-15-12 accepts a universal AC input range of 85–305VAC (or 120–430VDC). This is a wider range than the 85–264VAC standard, allowing operation on 277VAC systems.
What output voltage and current does the IRM-15-12 provide?
The IRM-15-12 provides 12V DC at 1.25A for a rated output of 15W.
Does the IRM-15-12 require a fan?
No. The IRM-15-12 uses free air convection cooling and is fully encapsulated. No fan or external heatsink is required under normal operating conditions.
What is the efficiency of the IRM-15-12?
The IRM-15-12 achieves approximately 82% typical efficiency.
How is the IRM-15-12 mounted?
The IRM-15-12 is a PCB-mount module with pins designed for through-hole soldering directly onto a printed circuit board. It is not a DIN rail or chassis-mount unit.
What are the dimensions of the IRM-15-12?
The IRM-15-12 measures approximately 52.4 × 27.2 × 24 mm (L × W × H).
What is the operating temperature range of the IRM-15-12?
The IRM-15-12 operates from -30°C to +70°C with derating required above +50°C.
What protections does the IRM-15-12 include?
The IRM-15-12 includes short circuit protection, overload protection and over voltage protection.
What certifications does the IRM-15-12 have?
The IRM Series is typically certified to UL / IEC / EN 62368-1 and related ITE safety standards. Confirm the specific certification marking on the DAPPRA-labeled unit.
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Overview
IRM-15-12 (SR08) Overview
The DAPPRA IRM-15-12 (internal code SR08) is a 15W PCB-mount AC-DC encapsulated power module delivering 12V DC at 1.25A. It belongs to the IRM Series miniature PCB-mount power module platform, designed for direct soldering onto a printed circuit board inside compact industrial and commercial electronic equipment.
The module accepts a universal AC input range of 85–305VAC (or 120–430VDC), which is wider than the 85–264VAC range of the smaller IRM-05 and IRM-10 models. This makes the IRM-15-12 suitable for 277VAC systems and applications where mains voltage tolerance is broader. The regulated 12V output delivers up to 1.25A with approximately 82% typical efficiency.
Like the other IRM Series modules, the IRM-15-12 is fully encapsulated with free air convection cooling. Short circuit, overload and over voltage protection are built in. It is typically used to provide a 12V control rail on a control board, sensor board or relay board where a larger enclosed power supply is impractical.
Key Features
IRM-15-12 Key Features
A 15W PCB-mount 12V power module with wide 85–305VAC input.
- 15W Output · 12V / 1.25A12V DC at 1.25A (15W) from a compact encapsulated module.
- Wide AC Input 85–305VACAlso 120–430VDC. Suitable for 277VAC systems and wider mains tolerance.
- PCB-Mount Through-Hole PinsDirect soldering onto a printed circuit board — no DIN rail or chassis mounting required.
- Fully Encapsulated ConstructionProtects against dust, moisture and vibration.
- Free Air Convection CoolingNo fan, no external heatsink.
- ~82% Typical EfficiencyBalanced efficiency for a 15W-class module.
- Short Circuit / Overload / Over Voltage ProtectionBuilt-in protection functions.
- Compact 52.4 × 27.2 × 24 mm FootprintFits tight PCB assemblies.
- -30°C to +70°C Operating RangeWith derating above +50°C.
- 3-Year WarrantyStandard DAPPRA IRM Series warranty.
Specifications
IRM-15-12 (SR08) Specifications
Output
| Model | IRM-15-12 (SR08) |
| DC Voltage | 12V |
| Rated Current | 1.25A |
| Current Range | 0–1.25A |
| Rated Power | 15W |
| Ripple & Noise (max.) | 150mVp-p |
| Voltage Tolerance | ±2.0% |
| Line Regulation | ±0.5% |
| Load Regulation | ±1.0% |
Protection
| Short Circuit | Auto-recovery |
| Overload | Hiccup mode or constant current limiting, auto-recovery |
| Over Voltage | Shutdown with auto-recovery or re-power |
Input
| Voltage | 85–305VAC / 120–430VDC |
| Frequency | 47–63Hz |
| AC Current (typ.) | 0.4A @ 115VAC · 0.25A @ 230VAC |
| Inrush Current | Cold start, limited by internal circuitry |
| Efficiency (typ.) | ~82% |
Isolation & Construction
| Isolation | I/P–O/P: 3kVAC (Class II, no FG required) |
| Encapsulation | Fully potted / encapsulated module |
| Cooling | Free air convection |
Environment
| Working Temperature | -30 ~ +70°C (derating above +50°C) |
| Storage Temperature | -40 ~ +85°C |
| Working Humidity | 20–90% RH non-condensing |
| Cooling | Free air convection |
| Pollution Degree | 2 |
Safety & EMC
| Safety Standards | UL / IEC / EN 62368-1 (confirm marking on unit) |
| Isolation Class | Class II |
| EMC Emission | EN 55032 Class B (typical) |
| EMC Immunity | EN 61000-4 series |
Mechanical
| Dimensions (L×W×H) | Approx. 52.4 × 27.2 × 24 mm |
| Weight | Approx. 60 g |
| Mounting | PCB through-hole pins |
| Housing | Encapsulated module |
| Warranty | 3 Years |
Pin Assignment
| Pin | Function |
|---|---|
| 1 | AC/L |
| 2 | AC/N |
| 3 | DC OUTPUT +V |
| 4 | DC OUTPUT −V |
Verify pin numbering against the unit marking before soldering.
Notes
12V / 1.25A / 15W. PCB-mount encapsulated module. Wide input 85–305VAC / 120–430VDC. Class II construction. Free air convection cooling. Derating above +50°C.
Dimensions
IRM-15-12 Dimensions
Compact PCB-mount encapsulated module. All dimensions in mm, tolerance ±1 mm.
Mechanical
| Length (L) | Approx. 52.4 mm |
| Width (W) | Approx. 27.2 mm |
| Height (H) | Approx. 24 mm |
| Weight | Approx. 60 g |
| Housing | Encapsulated module |
Mounting & Clearance
| Mounting | PCB through-hole pins |
| Clearance (sides) | At least 5 mm recommended |
| Clearance (top) | At least 10 mm recommended for convection |
| Soldering | Hand-solder or wave-solder per profile |
Installation
IRM-15-12 Installation
The IRM-15-12 is soldered directly onto a PCB. Correct pin orientation and thermal management are essential.
01 / 06
PCB Through-Hole Soldering
Solder the module pins into the PCB through-hole pads. Confirm pin 1 orientation before soldering.
02 / 06
Pin Orientation
AC/L, AC/N, +V and −V pins must be correctly identified. Reversing AC and DC pins can destroy the module.
03 / 06
Thermal Clearance
Allow free air convection around the module. Keep at least 5 mm side clearance and 10 mm top clearance.
04 / 06
No FG/PE Required (Class II)
The IRM-15-12 is Class II and does not require an FG/PE connection for basic operation. Final equipment EMC and safety must still be evaluated.
05 / 06
External Input Fusing
Provide an external fuse or circuit breaker on the AC input side in accordance with the final equipment safety standard.
06 / 06
Derating Above +50°C
Full rated output is available up to approximately +50°C ambient. Above +50°C, derate output power.
Wiring
IRM-15-12 Wiring & Pin Assignment
Four-pin PCB-mount configuration. Verify pin numbering before soldering.
Pin Assignment
| Pin | Function |
|---|---|
| 1 | AC/L |
| 2 | AC/N |
| 3 | DC OUTPUT +V |
| 4 | DC OUTPUT −V |
Wiring Notes
| AC Input | Connect AC/L and AC/N to the mains supply through an external fuse. |
| DC Output | Connect +V and −V to the on-board load circuit. |
| FG/PE | Not required in Class II configuration. |
| Output Capacitor | Add a low-ESR electrolytic capacitor near the load if long output traces are used. |
Do not reverse AC and DC pins. Provide external input fusing. Keep AC and DC traces separated on the PCB.
Safety
IRM-15-12 Safety & Cautions
- Qualified technician only. Do not disassemble the encapsulated module.
- Risk of electric shock. Disconnect AC mains before soldering or handling.
- Do not reverse AC and DC pins — permanent damage may result.
- Provide external input fusing or branch-circuit protection.
- Burn hazard. The module body may be hot during operation.
- Do not exceed 1.25A / 15W rated output.
- Class II construction does not remove the need for final equipment EMC and safety evaluation.
- Keep ventilation clearances around the module.
- Component for final equipment; final EMC must be re-confirmed.
Applications
IRM-15-12 Applications
Industrial Control Boards
Sensor Interface Boards
Relay Driver Boards
Instrumentation
Embedded Power Sections
Compact Electronic Devices
Communication Equipment
Test & Measurement
Next Step
Need the IRM-15-12 (SR08)?
Contact DAPPRA Automation — or explore the full IRM Series.
Support
IRM-15-12 FAQ
What is the DAPPRA IRM-15-12 (SR08)?
The IRM-15-12 (internal code SR08) is a 15W PCB-mount AC-DC encapsulated power module delivering 12V DC at 1.25A. It belongs to the DAPPRA IRM Series miniature PCB-mount power module platform, accepts universal 85–305VAC input, and is designed for direct soldering onto a printed circuit board.
What is the input voltage range of the IRM-15-12?
The IRM-15-12 accepts a universal AC input range of 85–305VAC (or 120–430VDC). This is a wider range than the 85–264VAC standard, allowing operation on 277VAC systems.
What output voltage and current does the IRM-15-12 provide?
The IRM-15-12 provides 12V DC at 1.25A for a rated output of 15W.
Does the IRM-15-12 require a fan?
No. The IRM-15-12 uses free air convection cooling and is fully encapsulated. No fan or external heatsink is required under normal operating conditions.
What is the efficiency of the IRM-15-12?
The IRM-15-12 achieves approximately 82% typical efficiency.
How is the IRM-15-12 mounted?
The IRM-15-12 is a PCB-mount module with pins designed for through-hole soldering directly onto a printed circuit board. It is not a DIN rail or chassis-mount unit.
What are the dimensions of the IRM-15-12?
The IRM-15-12 measures approximately 52.4 × 27.2 × 24 mm (L × W × H).
What is the operating temperature range of the IRM-15-12?
The IRM-15-12 operates from -30°C to +70°C with derating required above +50°C.
What protections does the IRM-15-12 include?
The IRM-15-12 includes short circuit protection, overload protection and over voltage protection.
What certifications does the IRM-15-12 have?
The IRM Series is typically certified to UL / IEC / EN 62368-1 and related ITE safety standards. Confirm the specific certification marking on the DAPPRA-labeled unit.
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