Request Quote
(Ships tomorrow)
VWRAS2-D12-D9-SIP Equivalent & Substitute Parts Reference
Part Overview
The CUI Inc. VWRAS2-D12-D9-SIP is a 2W isolated DC-DC converter module providing two outputs at +9V and -9V, each capable of supplying 111mA. It operates from a 9V to 18V input range and is intended for ITE (Commercial) applications, featuring short-circuit protection, through-hole mounting, and a compact SIP-8 package. This part is currently classified as obsolete, which necessitates identifying direct substitute models to maintain product lifecycle support, ensure ongoing manufacturability, and provide alternatives in the supply chain.
Substiute Parts
Key Parameters
| Parameter | VWRAS2-D12-D9-SIP |
|---|---|
| Type | Isolated Module |
| Number of Outputs | 2 |
| Voltage - Input (Min) | 9V |
| Voltage - Input (Max) | 18V |
| Voltage - Output 1 | 9V |
| Voltage - Output 2 | -9V |
| Current - Output (Max) | 111mA, 111mA |
| Power (Watts) | 2 W |
| Voltage - Isolation | 1.5 kV |
| Mounting Type | Through Hole |
| Package / Case | 8-SIP Module, 7 Leads |
| Operating Temperature | -40°C ~ 85°C |
| Efficiency | 76% |
| RoHS Status | RoHS Compliant |
| MSL | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution is permitted strictly when the following key parameters are matched:
- Type: Isolated Module
- Number of Outputs: 2
- Voltage - Input (Min): 9V
- Voltage - Input (Max): 18V
- Voltage - Output 1: 9V
- Voltage - Output 2: -9V
- Current - Output (Max): 111mA, 111mA
- Power (Watts): 2 W
- Voltage - Isolation: Equal to or greater than 1.5 kV
- Mounting Type: Through Hole
- Package / Case: 8-SIP Module, 7 Leads
- Operating Temperature: -40°C ~ 85°C
- RoHS and REACH Compliance
Only parts matching these parameters are included as substitutes.
Parameter Comparison
| Parameter | VWRAS2-D12-D9-SIP (CUI Inc.) | RS-1209D/H2 (Recom Power) |
|---|---|---|
| Type | Isolated Module | Isolated Module |
| Number of Outputs | 2 | 2 |
| Voltage - Input (Min) | 9V | 9V |
| Voltage - Input (Max) | 18V | 18V |
| Voltage - Output 1 | 9V | 9V |
| Voltage - Output 2 | -9V | -9V |
| Current - Output (Max) | 111mA, 111mA | 111mA, 111mA |
| Power (Watts) | 2 W | 2 W |
| Voltage - Isolation | 1.5 kV | 2 kV |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 8-SIP Module, 7 Leads | 8-SIP Module, 7 Leads |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Efficiency | 76% | 78% |
| RoHS Status | RoHS Compliant | ROHS3 Compliant |
| MSL | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The primary selection criterion is product status. The CUI Inc. VWRAS2-D12-D9-SIP part is obsolete, while the Recom Power RS-1209D/H2 is active. Both parts are RoHS and REACH compliant and meet Moisture Sensitivity Level 1 (Unlimited). These compliance and certifications fulfill standard regulatory and supply chain requirements based solely on the provided information.
Frequently Asked Questions (FAQ)
Q1: What are the essential criteria for substituting VWRAS2-D12-D9-SIP?
A1: Substitution requires matching Type, Number of Outputs, Input Voltage Range, Output Voltages, Output Currents, Power Rating, Isolation Voltage, Package, Mounting Type, Operating Temperature Range, and compliance parameters.
Q2: Is RS-1209D/H2 pin-to-pin compatible with VWRAS2-D12-D9-SIP?
A2: Both parts use the 8-SIP Module, 7 Leads package and through-hole mounting, aligning with mechanical constraints.
Q3: Are there any compliance differences between VWRAS2-D12-D9-SIP and RS-1209D/H2?
A3: Both parts are RoHS compliant, REACH unaffected, and rated MSL 1 (Unlimited).
Q4: Does the substitute part support the same operating temperature range as the original?
A4: Yes. Both parts operate from -40°C to 85°C.
Q5: Are there differences in isolation voltage capability?
A5: The VWRAS2-D12-D9-SIP provides 1.5 kV isolation, while RS-1209D/H2 provides 2 kV isolation, which meets or exceeds the original part's specification.
Q6: What should be considered regarding stock and lifecycle status?
A6: VWRAS2-D12-D9-SIP is obsolete, while RS-1209D/H2 is active, supporting ongoing production needs.
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

