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RAC04-3.3SC Equivalent & Substitute Parts Engineering Reference
Part Overview
The Recom Power RAC04-3.3SC is an enclosed AC/DC converter with a single 3.3V output, 1.2A current capability, and a universal input range of 80–264 VAC. It delivers 4W power for ITE (Commercial) applications and features a 16-DIP module with through-hole mounting. The product is classified as obsolete, making it essential to find functionally equivalent or parametric substitute models to maintain design continuity and supply chain integrity for ongoing and future projects.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | RAC04-3.3SC |
| Manufacturer | Recom Power |
| Description | AC/DC CONVERTER 3.3V 4W |
| Series | POWERLINE RAC04-C (4W) |
| Product Status | Obsolete |
| Type | Enclosed |
| Number of Outputs | 1 |
| Voltage - Input | 80 ~ 264 VAC |
| Voltage - Output 1 | 3.3V |
| Current - Output (Max) | 1.2A |
| Power (Watts) | 4 W |
| Applications | ITE (Commercial) |
| Operating Temperature | -25°C ~ 85°C (With Derating) |
| Efficiency | 67% |
| Mounting Type | Through Hole |
| Package / Case | 16-DIP Module, 5 Leads |
| Size / Dimension | 1.49" L x 0.94" W x 0.65" H (37.8mm x 23.9mm x 16.4mm) |
| Approval Agency | CE, cULus |
| Operating Standard | 60950-1 |
| Line Regulation | ±0.5% |
| Load Regulation | ±1.5% |
| Weight | 0.066 lb (29.94 g) |
| RoHS Status | ROHS3 Compliant |
| MSL | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
The substitute parts are identified strictly using equivalent electrical and mechanical parameters:
- Category: Enclosed AC/DC Converters
- Output Voltage: 3.3V
- Output Current (Max): ≥1.2A
- Power: 4W
- Input Voltage Range: Must include or exceed 80~264 VAC
- Number of Outputs: 1
- Mounting Type: Through Hole, 16-DIP Module, 5 Leads
- Regulatory Compliance: Matching approval agencies and RoHS/REACH status (if specified) All part numbers and technical values are matched as provided.
Parameter Comparison
| Parameter | RAC04-3.3SC | RAC04-3.3SGB |
|---|---|---|
| Manufacturer | Recom Power | Recom Power |
| Series | POWERLINE RAC04-C (4W) | POWERLINE RAC04-GB (4W) |
| Product Status | Obsolete | Active |
| Type | Enclosed | Enclosed |
| Number of Outputs | 1 | 1 |
| Voltage - Input | 80 ~ 264 VAC | 85 ~ 305 VAC |
| Voltage - Output 1 | 3.3V | 3.3V |
| Current - Output (Max) | 1.2A | 1.21A |
| Power (Watts) | 4 W | 4 W |
| Applications | ITE (Commercial) | Household Appliances, ITE (Commercial) |
| Operating Temperature | -25°C ~ 85°C (With Derating) | -40°C ~ 85°C (With Derating) |
| Efficiency | 67% | 70% |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 16-DIP Module, 5 Leads | 16-DIP Module, 5 Leads |
| Size / Dimension | 1.49" L x 0.94" W x 0.65" H (37.8mm x 23.9mm x 16.4mm) | 1.46" L x 0.94" W x 0.59" H (37.0mm x 24.0mm x 15.0mm) |
| Approval Agency | CE, cULus | CE, cURus |
| Line Regulation | ±0.5% | ±0.5% |
| Load Regulation | ±1.5% | ±0.5% |
| Weight | 0.066 lb (29.94 g) | 0.044 lb (19.96 g) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| MSL | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
Both RAC04-3.3SC and RAC04-3.3SGB are RoHS3 compliant and REACH unaffected with MSL 1. The RAC04-3.3SGB is currently active and provides regulatory compliance with CE and cURus, whereas RAC04-3.3SC is obsolete with CE and cULus certification. Selection should be based on product availability, product status, and the required regulatory certifications detailed in the specification.
Frequently Asked Questions (FAQ)
Q1: What are the primary criteria for AC/DC converter substitution in this category?
A1: Substitute parts must match output voltage, output current, input voltage range, packaging, mounting type, and compliance certifications.
Q2: Are mechanical package differences allowed for substitutes?
A2: Only mechanically compatible substitutions are considered valid. Both RAC04-3.3SC and RAC04-3.3SGB utilize the 16-DIP Module, 5 Leads package with similar dimensions.
Q3: How do regulatory approvals affect substitution?
A3: Regulatory approvals (e.g., CE, cURus, cULus) must be compared for project compliance. Substitute parts must meet or exceed the specified standards.
Q4: Is availability a factor in selection?
A4: Product status (active vs. obsolete) directly impacts availability and supply planning.
Q5: Do substitutes require matching RoHS/REACH compliance?
A5: Substitutes must be RoHS3 compliant and REACH unaffected if these are required parameters. Both parts fulfill these criteria.
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