Request Quote
(Ships tomorrow)
Equivalent & Substitute Parts for MEE1S0503DC
Part Overview
The Murata Power Solutions Inc. MEE1S0503DC is an isolated module DC-DC converter, designed for commercial ITE applications. It provides a single regulated 3.3V output at up to 303mA from a 4.5V to 5.5V DC input, delivering 1 Watt of output power. The module is housed in an 8-DIP (four leads) through hole package. This model is classified as obsolete; therefore, identifying equivalent and substitute components is essential for maintaining product designs and managing inventory for ongoing and legacy projects.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Murata Power Solutions Inc. |
| Category | |
| Packaging | Tube |
| Type | Isolated Module |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output 1 | 3.3V |
| Current - Output (Max) | 303mA |
| Power (Watts) | 1 W |
| Voltage - Isolation | 1 kV |
| Operating Temperature | -40°C ~ 85°C |
| Efficiency | 80% |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP Module, 4 Leads |
| Size / Dimension | 0.45" L x 0.39" W x 0.27" H (11.5mm x 9.8mm x 6.8mm) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | Not Applicable |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8504.40.9580 |
| Part Status | Obsolete |
Substitute Part Grouping Explanation
The substitute part, NKE0503DC, was selected exclusively based on matching or exceeding the following key parameters: number of outputs, voltage input range, output voltage, maximum output current, total output power, package/case format, mounting type, compliance data, and operating temperature range. Only direct parameter equivalence and compliance values were used to establish compatibility.
Key parameters applied:
- Number of outputs
- Voltage - Input (Min/Max)
- Voltage - Output 1
- Current - Output (Max)
- Power (Watts)
- Package / Case and Mounting Type
- Operating Temperature
- RoHS/REACH/ECCN/HTSUS status
- Moisture Sensitivity Level (MSL)
Parameter Comparison
| Parameter | Main Part: MEE1S0503DC | Substitute: NKE0503DC |
|---|---|---|
| Manufacturer | Murata Power Solutions Inc. | Murata Power Solutions Inc. |
| Packaging | Tube | Tube |
| Type | Isolated Module | Isolated Module |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 4.5V | 4.5V |
| Voltage - Input (Max) | 5.5V | 5.5V |
| Voltage - Output 1 | 3.3V | 3.3V |
| Current - Output (Max) | 303mA | 303mA |
| Power (Watts) | 1 W | 1 W |
| Voltage - Isolation | 1 kV | 3 kV |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Efficiency | 80% | 74% |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 8-DIP Module, 4 Leads | 8-DIP Module, 4 Leads |
| Size / Dimension | 0.45" L x 0.39" W x 0.27" H (11.5mm x 9.8mm x 6.8mm) | 0.45" L x 0.39" W x 0.21" H (11.5mm x 9.8mm x 5.4mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | Not Applicable | Not Applicable |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8504.40.9580 | 8504.40.9580 |
| Part Status | Obsolete | Active |
Engineering Selection Recommendations
Selection of substitute parts should be based on the main part's obsolete status and confirmed compliance requirements. Both MEE1S0503DC and NKE0503DC are ROHS3 compliant, REACH unaffected, with the same MSL, ECCN, and HTSUS values. The substitute NKE0503DC is currently active and available in stock.
Frequently Asked Questions (FAQ)
Q1: What determines a suitable substitute for MEE1S0503DC?
A: Only parts with matching number of outputs, input voltage range, output voltage, output current, output power, package, mounting type, and compliance statuses are allowed as substitutes.
Q2: Does the package of NKE0503DC match MEE1S0503DC?
A: Both components use the 8-DIP Module with 4 leads and through hole mounting.
Q3: Can board layout remain unchanged when substituting MEE1S0503DC with NKE0503DC?
A: The package and pin count are the same. The dimensions are similar, with a minor difference in height.
Q4: Are there compliance or certification considerations?
A: Both parts are ROHS3 compliant, REACH unaffected, with equivalent ECCN and HTSUS classifications.
Q5: Is there any difference in electrical performance between MEE1S0503DC and NKE0503DC?
A: The main difference is efficiency (MEE1S0503DC at 80%, NKE0503DC at 74%) and isolation voltage (1 kV vs 3 kV). All other key parameters are identical according to provided data.
Q6: Why is it necessary to find substitutes for MEE1S0503DC?
A: MEE1S0503DC is obsolete, making active sourcing and long-term support unfeasible. NKE0503DC is active and available in stock according to input inventory data.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts

