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EC3AB37HM Equivalent & Substitute Parts Reference
Part Overview
The EC3AB37HM by Cincon Electronics Co. LTD is an isolated DC-DC converter module in the 3W EC3AB series. It features 1 output of 3.3V at 600mA, accepts a wide 36V to 72V DC input, is RoHS3 compliant, and holds CE and cURus approvals. The device is supplied in a 24-DIP module (14 leads) with through-hole mounting and is suitable for ITE (Commercial) applications. Given its active status and specific certifications, finding alternatives is necessary to ensure continuity of design, multi-sourcing, and compliance with procurement policies.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Cincon Electronics Co. LTD |
| Series | EC3AB (3W) |
| Type | Isolated Module |
| Input Voltage Range | 36V - 72V |
| Output Voltage | 3.3V |
| Output Current (Max) | 600mA |
| Power (Watts) | 2W |
| Voltage Isolation | 1.5 kV |
| Number of Outputs | 1 |
| Mounting Type | Through Hole |
| Package / Case | 24-DIP Module, 14 Leads |
| Size / Dimension | 1.25" L x 0.80" W x 0.50" H (31.8mm x 20.3mm x 12.7mm) |
| Operating Temperature | -25°C ~ 71°C |
| Efficiency | 71% |
| Features | SCP |
| Approval Agency | CE, cURus |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitute parts are grouped only when they match all allowed electrical and mechanical key parameters of the main part number. The following are strictly considered for substitute equivalence:
- Manufacturer and Series
- Input voltage range
- Output voltage and current rating
- Number of outputs
- Power rating
- Voltage isolation rating
- Mounting type and package/case compatibility
- Efficiency
- Operating temperature range
- Compliance and certification status (RoHS, REACH, agency approvals)
- Features (such as SCP)
Parameter Comparison
| Parameter | Main Part: EC3AB37HM | Substitute Part: EC3A37HM |
|---|---|---|
| Manufacturer | Cincon Electronics Co. LTD | Cincon Electronics Co. LTD |
| Type | Isolated Module | Isolated Module |
| Series | EC3AB (3W) | EC3A (3W) |
| Input Voltage Range | 36V - 72V | 36V - 72V |
| Output Voltage | 3.3V | 3.3V |
| Output Current (Max) | 600mA | 600mA |
| Number of Outputs | 1 | 1 |
| Power (Watts) | 2W | 2W |
| Voltage Isolation | 1.5 kV | 1.5 kV |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 24-DIP Module, 14 Leads | 24-DIP Module, 14 Leads |
| Size / Dimension | 1.25" x 0.80" x 0.50" (31.8mm x 20.3mm x 12.7mm) | 1.25" x 0.80" x 0.40" (31.8mm x 20.3mm x 10.2mm) |
| Operating Temperature | -25°C ~ 71°C | -25°C ~ 71°C |
| Efficiency | 71% | 72% |
| Features | SCP | SCP |
| Approval Agency | CE, cURus | CE, cURus |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
Select substitute DC-DC converters based on matching product status as Active, compliance with ROHS3 and REACH regulations, and the presence of required agency approvals (CE, cURus). Ensure that all substituted parts have the same isolation, power rating, output configuration, and mounting/package specifications as provided.
Frequently Asked Questions (FAQ)
Q1: What criteria are used to select an equivalent or substitute DC-DC converter for EC3AB37HM?
A1: Equivalent DC-DC converters must match the main part in input voltage range, output voltage/current, number of outputs, isolation voltage, mounting type, package, features, compliance status, and certification approvals.
Q2: Are package size differences allowed for substitution?
A2: Substitute parts must have compatible mounting type and package/case. The compared substitute part has slightly reduced height but shares the 24-DIP module, 14 leads format.
Q3: Can a part from a different series be considered a substitute?
A3: Only if all key parameters including electrical ratings, mechanical compatibility, and certifications are matched according to provided data.
Q4: How does RoHS and REACH compliance affect selection?
A4: All substitute DC-DC converters must maintain ROHS3 and REACH compliance equivalent to the main part number.
Q5: Are differences in efficiency acceptable when choosing a substitute?
A5: Substitutes with minor efficiency differences may be accepted if all other key parameters are identical, as shown in the provided data.
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