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Equivalent & Substitute Parts for ESTW025A0F641-HZ
Part Overview
The OmniOn Power ESTW025A0F641-HZ is an isolated DC-DC converter module designed for commercial ITE applications. It offers a single output at 3.3V with a maximum load of 25A, handles input voltages from 36V to 75V, and delivers up to 83W power with 92% efficiency. Features include remote on/off, protection functions (OCP, OTP, OVP, UVLO), and through-hole mounting in an 8-DIP module package. The product is currently classified as obsolete, necessitating the identification of equivalent or substitute models to ensure continued supply and system operability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ESTW025A0F641-HZ |
| Manufacturer | OmniOn Power |
| Type | Isolated Module |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 36V |
| Voltage - Input (Max) | 75V |
| Voltage - Output 1 | 3.3V |
| Current - Output (Max) | 25A |
| Power (Watts) | 83 W |
| Voltage - Isolation | 2.25 kV |
| Applications | ITE (Commercial) |
| Features | Remote On/Off, OCP, OTP, OVP, UVLO |
| Operating Temperature | -40°C ~ 110°C |
| Efficiency | 92% |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP Module |
| Size / Dimension | 2.28" L x 0.90" W x 0.30" H (57.9mm x 22.8mm x 7.6mm) |
| Control Features | Enable, Active Low |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| ECCN | EAR99 |
| HTSUS | 8504.40.9580 |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for DC-DC converter modules are identified by matching the critical parameters: input voltage range, output voltage and current ratings, maximum power, isolation voltage, application type, protection features, mounting style, package type, efficiency, and physical dimensions. These parameters ensure electrical and mechanical compatibility, allowing for direct substitution within the same series. Only parts meeting all specified criteria are considered valid substitutes.
Parameter Comparison
| Parameter | ESTW025A0F641-HZ | ESTW025A0F41Z |
|---|---|---|
| Manufacturer Part Number | ESTW025A0F641-HZ | ESTW025A0F41Z |
| Manufacturer | OmniOn Power | OmniOn Power |
| Type | Isolated Module | Isolated Module |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 36V | 36V |
| Voltage - Input (Max) | 75V | 75V |
| Voltage - Output 1 | 3.3V | 3.3V |
| Current - Output (Max) | 25A | 25A |
| Power (Watts) | 83 W | 83 W |
| Voltage - Isolation | 2.25 kV | 2.25 kV |
| Applications | ITE (Commercial) | ITE (Commercial) |
| Features | Remote On/Off, OCP, OTP, OVP, UVLO | Remote On/Off, OCP, OTP, OVP, UVLO |
| Operating Temperature | -40°C ~ 110°C | -40°C ~ 85°C |
| Efficiency | 92% | 92% |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 8-DIP Module | 8-DIP Module |
| Size / Dimension | 2.28" L x 0.90" W x 0.30" H (57.9mm x 22.8mm x 7.6mm) | 2.28" L x 0.90" W x 0.30" H (57.9mm x 22.8mm x 7.6mm) |
| Control Features | Enable, Active Low | Enable, Active Low |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8504.40.9580 | 8504.40.9580 |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
ESTW025A0F641-HZ is obsolete. ESTW025A0F41Z is an active product from the same manufacturer with matching electrical and mechanical parameters, RoHS compliance, and identical physical dimensions and package type. The only parameter difference is the maximum operating temperature: -40°C ~ 110°C for ESTW025A0F641-HZ and -40°C ~ 85°C for ESTW025A0F41Z. Selection should be based strictly on operating temperature requirements and compliance status.
Frequently Asked Questions (FAQ)
Q: What criteria were used for substitute selection?
Substitute selection was based strictly on matching input voltage range, output voltage and current, maximum output power, isolation voltage, efficiency, protection features, mounting style, package, and physical size.
Q: Are the substitute and original DC-DC converter modules mechanically identical?
Both ESTW025A0F641-HZ and ESTW025A0F41Z share the same 8-DIP module package and identical physical dimensions.
Q: Is there any difference in the operating temperature between the original and substitute models?
Yes. ESTW025A0F641-HZ operates up to 110°C, while ESTW025A0F41Z operates up to 85°C. Evaluate application requirements accordingly.
Q: Do both parts have the same compliance and certifications?
ESTW025A0F41Z is RoHS compliant; compliance status for ESTW025A0F641-HZ is not specified. Both share ECCN EAR99 and HTSUS 8504.40.9580 codes.
Q: What about functional features and control?
Both offer enable (active low), remote on/off, overcurrent, overtemperature, overvoltage, and undervoltage lockout protections.
Q: Can the substitute be used for commercial ITE applications?
Both modules are specified for ITE (Commercial) applications per provided parameters.
Q: Are there any considerations for moisture sensitivity or handling?
ESTW025A0F641-HZ has an MSL of 1 (Unlimited). ESTW025A0F41Z is listed as Not Applicable for MSL. Assess handling practices as per component labeling.
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