SMT PARTS SUPPLY LTD
| Brand | Hezhongsheng |
| Model | STW350-ABDD-ATX |
| Main Application | SMT Placement Machine Host Computer |
| Power Supply Standard | Industrial ATX |
| Installation Position | Industrial PC / Host Computer Cabinet |
| Input Voltage | Confirm According to Product Nameplate |
| Enclosure | Metal Housing |
| Part Number | EP06-000384 |
| Product Category | SMT Machine Electrical Spare Part |
| Output Voltage | Multiple ATX DC Outputs |
| Rated Power | 350W |
| Cooling Type | Integrated Fan Cooling |
| Manufacturer | Shenzhen Hezhongsheng Electronics |
| Power Conversion Type | AC to DC |
| Applicable Machine Series | Compatible SM-Series SMT Mounters |
| Product Name | SMT Mounter Host Computer Power Supply |
| Model Number | STW350-ABDD-ATX |
| Place of Origin | CHINA&JAPEN |
| Brand Name | Hezhongsheng |
View Detail Information
Explore similar products
Samsung CP45 MARK3 Board SMT Machine Parts V2.0 J9060232B J4801013A J91701012A
SAMSUNG SM320 J4801017A SMT Machine Parts Single Board Computer Original Used
KXF0DXFYA00 150FC181050 SMT Machine Parts Panasonic CM202 Cylinder
HITACHI GXH G5 Filter 6301547459 225B572 6301718392 Original New Or Copy New
Product Specification
| Brand | Hezhongsheng | Model | STW350-ABDD-ATX |
| Main Application | SMT Placement Machine Host Computer | Power Supply Standard | Industrial ATX |
| Installation Position | Industrial PC / Host Computer Cabinet | Input Voltage | Confirm According to Product Nameplate |
| Enclosure | Metal Housing | Part Number | EP06-000384 |
| Product Category | SMT Machine Electrical Spare Part | Output Voltage | Multiple ATX DC Outputs |
| Rated Power | 350W | Cooling Type | Integrated Fan Cooling |
| Manufacturer | Shenzhen Hezhongsheng Electronics | Power Conversion Type | AC to DC |
| Applicable Machine Series | Compatible SM-Series SMT Mounters | Product Name | SMT Mounter Host Computer Power Supply |
| Model Number | STW350-ABDD-ATX | Place of Origin | CHINA&JAPEN |
| Brand Name | Hezhongsheng | ||
| High Light | 350W Power Supply ，Industrial ATX Power Supply ，Integrated Fan Cooling Power Supply | ||
| Common Cause | Typical Condition | Possible Machine Result |
|---|---|---|
| Capacitor aging | Long operating hours and repeated thermal cycles | Difficult startup, unstable voltage, or random restart |
| Cooling fan deterioration | Fan noise, low airflow, dust blockage, or stopped fan | Internal overheating and protective shutdown |
| Dust accumulation | Conductive or insulating dust inside the power supply | Reduced cooling, short circuit risk, or unstable operation |
| Input voltage fluctuation | Unstable factory power or repeated surge conditions | Protection activation or damaged internal components |
| Loose power connector | Vibration, repeated maintenance, or poor connector seating | Intermittent computer shutdown or boot failure |
| Overloaded output | Additional hardware or abnormal load on a DC rail | Voltage drop, restart, overheating, or no output |
| Cable damage | Crushed, aged, burned, or poorly repaired wiring | Intermittent supply or excessive connector resistance |
| Internal component fatigue | Continuous high-temperature production environment | Reduced output stability and shortened service life |
| Incorrect replacement unit | Wrong connector, rating, or ATX configuration | Failure to start or risk of equipment damage |
| Poor cabinet ventilation | Blocked filters or failed cabinet cooling system | Increased internal temperature and recurring faults |
| Symptom | Possible Power-Related Explanation | Recommended Check |
|---|---|---|
| Host computer does not start | No AC input, no standby output, or internal power failure | Check input, fuse, switch, connectors, and PSU output |
| Machine starts after several attempts | Aging capacitors or unstable startup circuit | Test during cold startup and compare DC output |
| Computer restarts during production | Output voltage drop, heat buildup, or loose connection | Inspect load, fan, connectors, and temperature |
| Display suddenly turns off | Host computer power interruption | Check PSU, display power, and motherboard connection |
| Operating system freezes | Unstable DC output or storage-device power interruption | Check voltage stability and storage connectors |
| Communication alarm appears | Host computer restarts or interface board loses power | Check PC power stability before replacing control boards |
| Burning smell or abnormal noise | Internal component damage or fan failure | Stop the machine and isolate power immediately |
| Fan does not rotate | Fan failure, control issue, or no power output | Inspect after disconnecting the equipment safely |
| Machine works when cold but fails when warm | Thermal degradation or insufficient ventilation | Perform temperature-related testing |
| Connector becomes hot | Loose terminal, oxidation, or excessive contact resistance | Replace damaged connector and inspect cable condition |
| Maintenance Requirement | Recommended Solution | Operational Benefit |
|---|---|---|
| Restore a non-starting host PC | Match STW350-ABDD-ATX and EP06-000384 exactly | Reduces compatibility uncertainty |
| Minimize production interruption | Prepare the verified power supply before shutdown | Shortens maintenance waiting time |
| Avoid wiring modification | Compare every connector and cable position | Helps maintain the existing installation layout |
| Prevent repeated faults | Inspect cabinet cooling and input power quality | Protects the replacement power supply |
| Reduce wrong-part orders | Submit label and connector photographs | Improves quotation and selection accuracy |
| Support preventive maintenance | Keep one verified unit as a critical spare | Improves response to unexpected downtime |
| Confirm electrical suitability | Check input and output label information | Prevents voltage or configuration mismatch |
| Maintain safe installation | Use qualified electrical maintenance personnel | Reduces installation and equipment risk |
| Specification Item | Product Information |
|---|---|
| Manufacturer / Label Brand | Shenzhen Hezhongsheng Electronics |
| Product Model | STW350-ABDD-ATX |
| SMT Spare-Part Number | EP06-000384 |
| Product Name | SMT Mounter Host Computer Power Supply |
| Power Rating | 350W |
| Power Supply Type | Industrial ATX AC-DC switching power supply |
| Main Function | Provides regulated DC power for the SMT machine host computer |
| Installation Area | Industrial PC or host-computer section of compatible SMT equipment |
| Application Category | SMT machine electrical spare part |
| Applicable Equipment | Compatible SM-series SMT placement machines using the same model and part number |
| Electrical Conversion | Alternating-current input to multiple direct-current outputs |
| Input Voltage | Confirm according to the original power supply nameplate |
| Input Frequency | Confirm according to the nameplate |
| Output Voltages | Multiple ATX DC outputs; confirm label and connector configuration |
| Output Current | Confirm each output rail according to the original nameplate |
| Main Connector Type | Machine-specific ATX configuration; photograph verification required |
| Additional Connectors | Depend on machine and power supply revision |
| Cooling Method | Integrated forced-air cooling fan |
| Mounting Style | Internal host-computer cabinet installation |
| Housing Material | Metal enclosure |
| Color | Metal finish or production-batch standard |
| Dimensions | Confirm against the removed unit before ordering |
| Cable Length | Confirm by actual unit or photograph |
| Connector Pinout | Must match the installed power supply exactly |
| Condition Options | Subject to quotation and current stock |
| Quantity | Available from one unit, subject to confirmation |
| Testing | Functional inspection can be confirmed before shipment |
| Packaging | Anti-static, cushioning, moisture-resistant export packaging |
| Compatibility Rule | Match model, part number, label, connectors, dimensions, and machine revision |
| Installation Requirement | Installation by qualified maintenance personnel |
| Warranty | Confirm according to product condition and quotation |
| Feature | Description |
|---|---|
| 350W Rated Power | Designed to support the electrical requirements of a compatible industrial host-computer system |
| Industrial ATX Configuration | Intended for equipment control computers rather than ordinary consumer desktop selection |
| Model-Based Compatibility | Clearly identified by STW350-ABDD-ATX for easier maintenance matching |
| SMT Part-Number Identification | EP06-000384 helps buyers compare maintenance records and installed components |
| Stable Power Conversion | Converts AC input into regulated DC outputs required by host-computer electronics |
| Integrated Cooling | Internal fan assists heat removal during continuous machine operation |
| Metal Protective Housing | Supports internal protection and mechanical installation within the computer cabinet |
| Maintenance-Friendly Design | Allows replacement of a defective host power supply after proper verification |
| Reduced Selection Risk | Label, connector, dimension, and machine-revision checks improve ordering accuracy |
| Export Packaging Support | Protective packing helps reduce transportation damage during international shipment |
| Application Area | Function of the Power Supply |
|---|---|
| SMT placement machine host PC | Supplies regulated DC power to the industrial computer |
| Machine operating system | Supports computer startup and continuous software operation |
| Placement-program management | Powers the hardware used to load, edit, and store production programs |
| Operator interface | Supports display, keyboard, storage, and communication functions |
| Industrial motherboard | Provides ATX power rails and startup-control functions |
| Storage device | Supplies power to the system disk or other compatible storage hardware |
| Interface and communication cards | Supports communication between the host PC and machine controllers |
| Maintenance spare inventory | Provides a verified spare for critical machine downtime situations |
| SMT machine refurbishment | Used during restoration of compatible host-computer systems |
| Production-line repair | Helps recover equipment affected by host power instability |
| Purchasing Scenario | Why This Model May Be Required |
|---|---|
| Existing unit is marked STW350-ABDD-ATX | Direct model comparison is possible |
| Maintenance record shows EP06-000384 | Spare-part identification supports selection |
| Host computer cannot start | The installed PSU may require testing or replacement |
| Computer restarts during operation | DC output may be unstable under load |
| Cooling fan has stopped | Continued use may cause overheating |
| Power supply shows heat damage | Replacement and cabinet inspection are recommended |
| Customer maintains several compatible machines | A verified spare can reduce emergency downtime |
| Machine is being refurbished | The host power system may need inspection or renewal |
| Local repair is not economical | A complete tested unit may simplify maintenance |
| Buyer needs international delivery | Protective individual packaging can be arranged |
| Working Stage | Operating Principle |
|---|---|
| 1. AC Power Input | The power supply receives AC electricity from the machine’s approved electrical circuit |
| 2. Input Protection | Internal protective components help manage abnormal current and basic electrical disturbances |
| 3. Rectification and Switching | Incoming AC is converted and processed through a high-frequency switching circuit |
| 4. Voltage Transformation | Internal transformer and control circuits produce the required low-voltage DC outputs |
| 5. Output Regulation | Feedback circuitry stabilizes output voltage as the computer load changes |
| 6. ATX Control | Standby power and startup signals support controlled motherboard startup and shutdown |
| 7. Power Distribution | Connectors deliver DC power to the motherboard, storage device, fan, and related hardware |
| 8. Thermal Management | The integrated fan removes heat from internal switching components |
| 9. Protection Response | The supply may shut down when abnormal load, temperature, or electrical conditions are detected |
| 10. Continuous Operation | Stable DC power supports the machine host computer during production |
| Benefit | Value for SMT Production |
|---|---|
| Reliable host startup | Helps the machine control computer start consistently |
| Stable computer operation | Reduces power-related restart and shutdown risk |
| Improved maintenance efficiency | Model and part-number matching simplifies identification |
| Lower downtime exposure | A verified spare can shorten emergency repair time |
| Existing-system retention | Allows continued use of the current industrial computer configuration |
| Easier inventory control | Clear model identification supports spare-parts management |
| Reduced diagnostic confusion | Power instability can be isolated before expensive boards are replaced |
| Safer purchasing process | Connector and label verification reduces wrong-unit orders |
| International supply support | Suitable for individual or batch spare-parts procurement |
| Preventive maintenance value | Can be stocked for machines with long operating histories |
| Verification Item | What the Buyer Should Provide | Why It Is Important |
|---|---|---|
| Complete model number | Clear photograph showing STW350-ABDD-ATX | Prevents confusion with similar power supplies |
| Spare-part number | Photograph or record showing EP06-000384 | Confirms the SMT maintenance reference |
| Manufacturer label | Full front and side label photographs | Shows rating and production information |
| Input specification | Voltage and frequency printed on the label | Ensures electrical compatibility |
| Output specification | Complete output-voltage and current table | Confirms load capability |
| Main connector | Front and rear photographs | Verifies connector style and position |
| Connector pin count | Clear close-up images | Reduces wiring mismatch risk |
| Additional cables | Photographs of every plug | Confirms storage and auxiliary connections |
| Housing dimensions | Length, width, and height | Ensures correct cabinet installation |
| Mounting holes | Hole positions and installation direction | Prevents mechanical mismatch |
| Cable length | Approximate length of each cable group | Ensures connectors reach installed hardware |
| Fan orientation | Photograph of fan and air outlet | Maintains correct cabinet airflow |
| Machine model | Full SMT machine model | Supports application checking |
| Machine serial number | Equipment identification plate | Helps distinguish hardware revisions |
| Existing fault | Startup, restart, fan, voltage, or alarm details | Helps confirm whether the PSU is the likely cause |
| Required condition | New, tested used, or refurbished | Allows an accurate quotation |
| Required quantity | Number of units needed | Supports stock and delivery planning |
| Rule | Recommendation |
|---|---|
| Do not order by wattage only | Two 350W power supplies may have different connectors or pinouts |
| Do not order by appearance only | Similar housings can contain different electrical configurations |
| Check both identifiers | Match STW350-ABDD-ATX and EP06-000384 whenever possible |
| Compare the complete label | Input and output information should agree with the removed unit |
| Confirm the machine revision | Different production years may use different host computers |
| Inspect all connectors | Quantity, shape, pin count, and cable position must match |
| Measure the enclosure | The unit must fit the existing cabinet and mounting points |
| Check the fan direction | Incorrect airflow can increase cabinet temperature |
| Report previous modifications | Repaired or modified wiring may no longer follow the standard layout |
| Ask before energizing | Uncertain wiring should be checked by a qualified technician |
| Installation Step | Recommended Action |
|---|---|
| 1. Stop production | Complete the current machine cycle and save required production data |
| 2. Shut down software | Use the normal operating-system shutdown procedure |
| 3. Isolate electricity | Turn off and lock out the machine power source |
| 4. Confirm zero-energy state | Wait for internal capacitors to discharge before handling |
| 5. Record connections | Photograph every cable and connector before removal |
| 6. Label cables | Mark each cable to prevent incorrect reconnection |
| 7. Remove the defective unit | Support the power supply while removing mounting screws |
| 8. Compare both units | Check label, dimensions, connectors, cables, and fan direction |
| 9. Install securely | Tighten mounting screws without damaging the housing |
| 10. Reconnect carefully | Confirm connector orientation and complete insertion |
| 11. Inspect the cabinet | Remove dust and verify ventilation before startup |
| 12. Perform initial test | Start the host computer without beginning production immediately |
| 13. Check system stability | Observe fan operation, startup, display, and software loading |
| 14. Run a controlled trial | Test machine communication and basic operation |
| 15. Resume production | Monitor the machine during the first production period |
| Inspection Item | Inspection Content |
|---|---|
| Model verification | Confirm STW350-ABDD-ATX marking |
| Part-number verification | Confirm EP06-000384 identification when available |
| Exterior condition | Check housing, screws, fan guard, and visible damage |
| Connector condition | Inspect plugs, terminals, locking clips, and cable insulation |
| Fan condition | Check smooth rotation and abnormal mechanical noise |
| Cable condition | Inspect for cuts, crushing, overheating, or previous repair |
| Electrical test | Confirm startup and basic output according to available test conditions |
| Load test | Can be discussed according to order requirements |
| Photograph record | Product photographs can be prepared before shipment |
| Packaging inspection | Confirm anti-static and cushioning protection |
| Label protection | Prevent label abrasion during transportation |
| Final quantity check | Confirm ordered quantity and packing list |
| Packaging Layer | Purpose |
|---|---|
| Anti-static protection | Helps protect electronic components from electrostatic discharge |
| Moisture-resistant wrapping | Reduces exposure to humidity during transportation |
| Connector protection | Prevents plugs and pins from impact or deformation |
| Cushioning material | Absorbs vibration and external shock |
| Individual inner carton | Separates the unit from other spare parts |
| Reinforced outer carton | Provides additional protection for export shipment |
| Clear product label | Supports warehouse identification and receiving inspection |
| Packing-list verification | Confirms model, quantity, and order reference |
| Inventory Situation | Recommended Action |
|---|---|
| One machine using this model | Record the complete label and supplier reference |
| Multiple machines using this model | Maintain at least one verified common spare |
| Machine operates continuously | Include the power supply in preventive inspection |
| Equipment is more than several years old | Inspect fan noise, dust, and startup stability |
| Replacement lead time is long | Order a verified spare before an emergency occurs |
| Factory power is unstable | Check surge protection and electrical grounding |
| Cabinet temperature is high | Improve filters, fans, and ventilation |
| Previous PSU failure occurred | Investigate the root cause before installing another unit |
| Required Information | Details |
|---|---|
| Product model | STW350-ABDD-ATX |
| Spare-part number | EP06-000384 |
| Machine information | Complete model and serial number |
| Label photographs | Clear images of all rating labels |
| Connector photographs | Main connector and every auxiliary plug |
| Product dimensions | Length, width, and height |
| Required quantity | Trial order or batch requirement |
| Product condition | Confirm preferred condition |
| Delivery destination | Country, city, and postal code |
| Required delivery date | Standard or urgent maintenance order |
| Fault description | No startup, restart, fan failure, or other symptom |
Company Details
Business Type:
Agent,Importer,Exporter,Seller
Year Established:
2007
Total Annual:
2000000-3000000
Employee Number:
30~60
Ecer Certification：
Verified Supplier
.gtr-container-jkl456 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 15px; box-sizing: border-box; max-width: 100%; overflow-x: hidden; } .gtr-container-jkl456 p { font-size: 14px; margin-bottom: ... .gtr-container-jkl456 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 15px; box-sizing: border-box; max-width: 100%; overflow-x: hidden; } .gtr-container-jkl456 p { font-size: 14px; margin-bottom: ...
Get in touch with us
Leave a Message, we will call you back quickly!