# POWER SUPPLY, AC-DC, 12V, 2.1A

![Product image](https://novapart.co/image/farnell:3953641/)

**URL**: https://novapart.co/products/AMES25-12S277NZ./power-supply-ac-dc-12v-21a
**SKU**: AMES25-12S277NZ.
**Manufacturer**: AIMTEC
**Category**: Power & Line Protection || Power Supplies || AC / DC Converters || AC / DC Enclosed Power Supplies
**Price**: €10.5600
**Stock**: 10+

## Description

Power Supply Applications:ITE; No. of Outputs:1Outputs; Output Power Max:25.2W; Output Voltage - Output 1:12V; Output Current - Output 1:2.1A; Output Voltage - Output 2 25AK2777

## Specifications

| Parameter | Value |
|---|---|
| Product Range | AMES25-277NZ Series |
| No. Of Outputs | 1Outputs |
| Output Power Max | 25.2W |
| Current, Output 4 | - |
| Input Voltage Vac | 85V AC to 305V AC |
| Power Supply Output Type | Fixed |
| Output Current - Output 1 | 2.1A |
| Output Current - Output 2 | - |
| Output Current - Output 3 | - |
| Output Voltage - Output 1 | 12V |
| Output Voltage - Output 2 | - |
| Output Voltage - Output 3 | - |
| Output Voltage - Output 4 | - |
| Power Supply Applications | ITE |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3953641/)

## AMES25-277NZ ~~—~~ 

- AMES25 277NZ AC-DC Converter Click to ORDER samples ~~a}~~ The AMES25-277NZ is a 25W AC/DC converter that offers greater cost effectiveness due to material normalization and production automation also leading to improved reliability and performance. Offering a commercial input voltage range of 85-305VAC and an output voltage range from 3.3-48V, this series will offer many benefits to your new system design. 

This new series offers great operating temperatures, from -30 ℃ to 70 ℃ and also features an isolation of 4000VAC for improved reliability and system safety. Furthermore, a high MTBF of 450,000h, output short circuit protection (OSCP), output over-current protection (OCP) and an output over-voltage protection (OVP) come standard with the series. 

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The AMES25-277NZ is suitable for street lighting controls, grid power, instrumentation, industrial controls, communication and civil applications. 

## Features 

## Summary 

- Universal Input: 85 - 305VAC/100 - 430VDC 

- Operating Temp: -30 °C to +70 °C 

- High isolation voltage: Up to 4000VAC 

- Low ripple & noise, 120mV(p-p) max. 

- Output short circuit, over-current, over-voltage protection 

- Regulated Output 

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AMES25-277NZ<br>528  48  4000 100<br>125 125<br>305<br>70<br>50<br>1000 15.6<br>85<br>3.3  9.9<br>0  1<br>-30 -25<br>Input voltage Output voltage Isolation Power Temp. range Derating<br>(VAC) (V) (VAC) (W) (°C) (°C)<br>**----- End of picture text -----**<br>


## Training 

## Applications 

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Power Grid Industrial Telecom Instrumentation<br>**----- End of picture text -----**<br>


Product Training Video Application Notes (click to open) 

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- AMES25 277NZ AC-DC Converter 

## Models & Specifications 

## **Single Output** 

|**Single Output**|**Single Output**|**Single Output**|**Single Output**|**Single Output**|**Single Output**|**Single Output**|**Single Output**|**Single Output**|
|---|---|---|---|---|---|---|---|---|
|**Model**<br>~~Ls~~|**Input**<br>**Voltage**<br>**(VAC/Hz)**<br>~~a~~<br>~~Ls~~|**Input**<br>**Voltage**<br>**(VDC)**<br>~~a~~|**Max**<br>**Output**<br>**Wattage**<br>**(W)**<br>~~ee~~|**Output**<br>**Voltage**<br>**(V)**<br>~~ee~~|**Output Voltage**<br>**Adjustable Range (V)**<br>~~ee~~|**Output**<br>**Current max**<br>**(A)**<br>~~ee~~<br>~~ee~~|**Maximum**<br>**capacitive**<br>**load (µF)**<br>~~ee~~<br>~~ee~~|**Efficiency**<br>**@230VAC**<br>**Typ. (%)**<br>~~ee~~<br>~~ee~~|
|AMES25-3S277NZ<br>~~Ls~~|85-305/47-63<br>~~a~~<br>~~Ls~~|100-430<br>~~a~~|19.8<br>~~ee~~|3.3<br>~~ee~~|2.85-3.6<br>~~ee~~|6<br>~~ee~~<br>~~ee~~|5000<br>~~ee~~<br>~~ee~~|78<br>~~ee~~<br>~~ee~~|
|AMES25-5S277NZ<br>~~Ls~~<br>~~Ds~~|85-305/47-63<br>~~a~~<br>~~Ls~~<br>~~Ds~~|100-430<br>~~a~~<br>~~De~~|25<br>~~ee~~<br>~~De~~|5<br>~~ee~~<br>~~QQ~~|4.5-5.5<br>~~ee~~<br>~~QQ~~|5<br>~~ee~~<br>~~ee~~<br>~~QQ~~<br>~~ee~~|4000<br>~~ee~~<br>~~ee~~<br>~~QQ~~<br>~~ee~~|81<br>~~ee~~<br>~~ee~~<br>~~QQ~~|
|AMES25-12S277NZ<br>~~Ls~~<br>~~Ds~~|85-305/47-63<br>~~Ls~~<br>~~a~~<br>~~Ds~~|100-430<br>~~a ~~|25.2<br> ~~a ee~~|12<br>~~ee~~|10.8-13.2<br>~~ee~~|2.1<br>~~ee~~<br>~~ee~~<br>~~ee~~|3000<br>~~ee ~~<br>~~ee~~<br>~~ee~~|85<br> ~~ee~~<br>~~ee~~|
|AMES25-15S277NZ<br>~~Ds~~|85-305/47-63<br>~~Ds~~<br>~~a~~|100-430<br>~~a~~|25.5<br>~~se~~|15<br>~~se~~|13.5-16.5<br>~~es~~|1.7<br>~~ee~~<br>~~Q~~<br>~~es~~|2000<br>~~ee~~|86|
|AMES25-24S277NZ<br>~~Ds~~|85-305/47-63<br>~~Ds~~<br>~~a~~<br>~~a~~|100-430<br>~~a~~<br>~~a~~|26.4<br>~~se~~<br>~~ee~~|24<br>~~se~~<br>~~ee~~|22-27.6<br>~~es~~<br>~~ee~~|1.1<br>~~ee~~<br>~~es~~<br>~~ee~~|1000<br>~~ee~~<br>~~ee~~|87<br>~~eee~~|
|AMES25-48S277NZ|85-305/47-63<br>~~a~~<br>~~a~~|100-430<br>~~a ~~<br>~~a~~|27.36<br> ~~se~~<br>~~ee~~|48<br>~~se ~~<br>~~ee~~|42-54<br> ~~es ~~<br>~~ee~~|0.57<br> ~~es~~<br>~~ee~~|500<br>~~ee~~|88<br>~~eee~~|
|**Note: Add suffix “-P” for optional terminal protective cover (ex. AMES25-3S277NZ-P is terminal with protective cover version) or suffix “-Q” for**<br>**conformal coating (ex. AMES25-3S277NZ-Q is conformal coating version). **<br>~~a~~<br>~~a~~<br>~~ee~~<br>~~ee~~<br>~~ee ee ee~~<br>~~eee~~|||||||||



## **Input Specifications** 

|**Input Specifications**|**Input Specifications**|**Input Specifications**|**Input Specifications**|**Input Specifications**|
|---|---|---|---|---|
|**Parameters**|**Conditions**|**Typical**|**Maximum**|**Units**|
|**Input current**|115VAC||0.6|A|
||230VAC||0.34|A|
|**Inrush current**|Cold start,115VAC|20||A|
||Cold start,230VAC|40||A|
|**Leakage current**|277VAC||0.5|mA|



## **Output Specifications** 

|**Output Specifications**|**Output Specifications**|**Output Specifications**|**Output Specifications**|**Output Specifications**|
|---|---|---|---|---|
|**Parameters**|**Conditions**|**Typical**|**Maximum**|**Units**|
|**Voltage accuracy**<br>~~DR~~<br>~~**a**~~|3.3V output<br>~~a~~<br>~~DR~~|±3<br>~~a~~|~~a~~|%<br>~~a~~|
||5V output<br>~~DR~~<br>~~**a**~~|±2<br>||%<br>|
||Others<br>~~DR~~<br>~~**a**~~|±1<br>||%<br>|
|**Line regulation**<br>~~**a**~~|3.3,5V output<br>~~**a**~~|±0.5<br>|±1<br>|%<br>|
||Others<br>~~a~~|±0.5<br>~~a~~|~~a~~|%<br>~~a~~|
|**Load regulation**|0-100% load,3.3,5V output<br>~~a~~|±1<br>~~a~~|±2<br>~~a~~|%<br>~~a~~|
||0-100% load,Others<br>~~a~~|±0.5<br>~~a~~|±1<br>~~a~~|%<br>~~a~~|
|**Ripple & Noise***|48V output<br>~~a~~|120<br>~~a~~|~~a~~|mVp-p<br>~~a~~|
||Others<br>~~a~~|100<br>~~a~~|~~a~~|mVp-p<br>~~a~~|
|**Start-up delay time**||300||ms|
|**Hold up time**|115VAC<br>~~a~~|8<br>~~a~~|~~a~~|ms<br>~~a~~|
||230VAC<br>~~a~~|60<br>~~a~~|~~a~~|ms<br>~~a~~|
|*** Ripple and Noise are measured at 20MHz bandwidth. Please refer to the application note for specific details. Measured with a** **47μF electrolytic**<br>**capacitor and a 0.1μF ceramic capacitor.**|||||



## **Isolation Specifications** 

|**Isolation Specifications**|**Isolation Specifications**|**Isolation Specifications**|**Isolation Specifications**|**Isolation Specifications**|
|---|---|---|---|---|
|**Parameters**|**Conditions**|**Typical**|**Rated**|**Units**|
|**Tested I/O voltage **|60 sec,leakage current < 10mA||4000|VAC|
|**Tested Input to GND voltage **|60 sec,leakage current < 10mA||2000|VAC|
|**Tested Output to GND voltage **|60 sec, leakage current < 10mA||1250|VAC|
|**Resistance(I/O, I/O to GND)**|500VDC||100|MΩ|



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- AMES25 277NZ AC-DC Converter 

## **General Specifications** 

|**General Specifications**|**General Specifications**|**General Specifications**|**General Specifications**|**General Specifications**|
|---|---|---|---|---|
|**Parameters**|**Conditions**|**Typical**|**Maximum**|**Units**|
|**Safety class**|Class I||||
|**Switching Frequency**||65||KHz|
|**Over Currentprotection**|Auto recovery|≥ 110|300|% of Iout|
|**Over voltage protection**|3.3V output,hiccupor voltage clamp||6.75|VDC|
||5V output,hiccupor voltage clamp||7.75|VDC|
||12V output,hiccupor voltage clamp||16.2|VDC|
||15V output,hiccupor voltage clamp||20.25|VDC|
||24V output,hiccupor voltage clamp||32.4|VDC|
||48V output,hiccupor voltage clamp||60|VDC|
|**Short circuitprotection**|Hiccup,Continuous,Auto recovery,Recoverytime < 5 sec||||
|**Operating temperature**|See derating graph|-30 to +70||°C|
|**Storage temperature**||-40 to +85||°C|
|**No load power consumption**|230VAC,48V output||0.5|W|
||230VAC,Others||0.3|W|
|**Power derating**|-30°C to -25°C,85VAC - 100VAC|6||%/ °C|
||40 °C to 70 °C,3V|1.33||%/ °C|
||50 °C to 70 °C,5/12/15/24/48V|2||%/ °C|
||85VAC - 100VAC|1.33||%/VAC|
||277VAC - 305VAC|0.72||%/VAC|
|**Ambient temperature derating**|Operatingaltitude > 2000m|3.5||°C/1000m|
|**Temperature coefficient**||±0.03||%/ °C|
|**Cooling**|Free air convection||||
|**Humidity**|Non-condensing,storage||95|% RH|
||Non-condensing,operating|>20|90|% RH|
|**Case material**|Metal(5052 Aluminum,SGCC)||||
|**Weight**||115||g|
|**Dimensions(L x W x H)**|3.15 x 2.16 x 0.98inch(80.0 x 55.0 x 25.0mm)||||
|**MTBF**|> 450 000 hrs(MIL-HDBK -217F,t=+25°C)||||
|**NOTE: All specifications in this datasheet are measured at an ambient temperature of 25°C, humidity<75%, nominal input voltage and at rated**<br>**output load unless otherwise specified.**|||||



## **Safety Specifications** 

|**Safety Specifications**|**Safety Specifications**|**Safety Specifications**|
|---|---|---|
|**Parameters**|||
|Agency approvals|UL 62368-1||
|Standards|Design to meet IEC/EN/UL 62368-1,GB4943||
||EMC - Conducted and radiated emission|CISPR32/EN55032,class B|
||Electrostatic Discharge Immunity|IEC 61000-4-2 Contact ±6KV/Air ±8KV,Criteria B|
||RF,Electromagnetic Field Immunity|IEC 61000-4-3 10V/m,Criteria A|
||Electrical Fast Transient/Burst Immunity|IEC 61000-4-4 ±2KV,Criteria A|
||Surge Immunity|IEC 61000-4-5 L-L ±1KV/L-G ±2KV,Criteria A|
||RF,Conducted Disturbance Immunity|IEC 61000-4-6 10Vr.m.s,Criteria A|
||Voltage dips,Short Interruptions Immunity|IEC 61000-4-11 0%,70%,Criteria B|



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- AMES25 277NZ AC-DC Converter 

## Derating 

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Free Air Convection<br>3.3Vout model<br>100<br> 100VAC<br>80 PogW L] i &<br>70<br>60 P Safe Operating INE<br>Area<br>40 PC<br>Input Voltage<br>a 85-305VAC<br>20<br>100-430VDC<br>0 PEE<br>-25 40<br>-30 -10 10 30 50 70 90 110<br>Ambient Temperature  º C<br>Output Power (%)<br>**----- End of picture text -----**<br>


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Free Air Convection at 25°C<br>**----- End of picture text -----**<br>


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100<br>80<br>60 Haan<br>Safe Operating Area<br>40 Ha<br>20 PCy<br>0 PE<br>85 100 277 305<br>(100)(120) (390) (430)<br>Input Voltage VAC(60Hz) (VDC)<br>Output Power (%)<br>**----- End of picture text -----**<br>


## Dimensions 

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80.00<br>(3.15)<br>——— 2-M3 L=3<br>—— OROROROZROR The customer<br>1 system case<br>2 Power Supply Case<br>3<br>a :<br>4 Screw<br>5<br>Hy -0902626962q «=  Ln ©<br>ADJ<br>55.00<br>(2.16) 10.50 L<br>(0.41)<br>2-M3 L=3 66.50 2.75<br>Max. 14.00 (2.62) (0.11)<br>Note:<br>(0.55)<br>_ Unit: mm(inch)<br>1m ao -) Wire gauge: 22-12AWG<br>Screw terminal tightening torque: M3, 0.4N-m<br>Mounting screw tightening torque: M3, 0.4N-m<br>eG General tolerance: ±1.0(0.04)<br>6.50<br>25.40 (1.00)<br>7.62 (0.30)<br>55.00 (2.16)<br>29.60 (1.65)<br>(0.26)<br>11.00 (0.43)<br>14.00 (0.55)<br>**----- End of picture text -----**<br>


Unit: mm(inch) Wire gauge: 22-12AWG Screw terminal tightening torque: M3, 0.4N-m Mounting screw tightening torque: M3, 0.4N-m General tolerance: ±1.0(0.04) At least one of the   -   location must be connected to PE 

**Single Pin Output Specifications Pin Function** 1 -V Input (L) 2 ~~Oo~~ +V Input (N) 3 PE GND ~~ar~~ 4 ~~oe~~ -V Output ~~—~~ 5 ~~#@€=|St—<“—s—SS~—~—~—S~~ +V Output ~~=_~~ ADJ Voltage ad ~~°~~ j knob ~~€§€|~~ 

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AC-DC Converter 

## **-P terminal with protective cover version** 

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80.00<br>(3.15)<br>2-M3 L=3<br>The customer<br>1 system case<br>2 iil ORORORO Od rit Power Supply Case<br>We 9609262626 lil<br>3<br>(lil OROROZORORC [iy<br>4 MT  c8olo202o0Pd Te j Screw<br>| 5 (vl fon 06208626204OZO0505050 a} (vil ©<br>— OZROROROFORCd —<br>ADJ . CP9PO9P OPO Pd will<br>— — ——i—F |<br>55.00<br>(2.16) 10.50 L<br>(0.41)<br>2-M3 L=3 66.50 2.75<br>Max. 14.00 (2.62) (0.11)<br>Note:<br>(0.55)<br>r r Unit: mm(inch)<br>Wire gauge: 22-12AWG<br>Screw terminal tightening torque: M3, 0.4N-m<br>l ea i Mounting screw tightening torque: M3, 0.4N-m<br>General tolerance: ±1.0(0.04)<br>6.50<br>25.40 (1.00)<br>7.62 (0.30)<br>55.00 (2.16)<br>29.60 (1.65)<br>(0.26)<br>11.00 (0.43)<br>14.00 (0.55)<br>**----- End of picture text -----**<br>


Unit: mm(inch) Wire gauge: 22-12AWG Screw terminal tightening torque: M3, 0.4N-m Mounting screw tightening torque: M3, 0.4N-m General tolerance: ±1.0(0.04) At least one of the   -   location must be connected to PE 

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Single Pin Output Specifications<br>Pin  Function<br>|<br>1  Po -V Input (L)<br>2  +V Input (N)<br>3  PE GND<br>4  -V Output<br>5  +V Output<br>_ ADJ  Voltage adj knob  |<br>**----- End of picture text -----**<br>


**NOTE: 1.** Datasheets are updated as needed and as such, specifications are subject to change without notice.  Once printed or downloaded, datasheets are no longer controlled by Aimtec; refer to www.aimtec.com for the most current product specifications. **2.** Product labels shown, including safety agency certifications on labels, may vary based on the date manufactured. **3.** Mechanical drawings and specifications are for reference only. **4.** All specifications are measured at an ambient temperature of 25°C, humidity<75%, nominal input voltage and at rated output load unless otherwise specified. **5.** Aimtec may not have conducted destructive testing or chemical analysis on all internal components and chemicals at the time of publishing this document. CAS numbers and other limited information are considered proprietary and may not be available for release. **6.** This product is not designed for use in critical life support systems, equipment used in hazardous environments, nuclear control systems or other such applications which necessitate specific safety and regulatory standards other the ones listed in this datasheet. **7.** Warranty is in accordance with Aimtec’s standard Terms of Sale available at www.aimtec.com. 

www.Aimtec.com 

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