Request Quote
(Ships tomorrow)
IRS2500STRPBF Equivalent & Substitute Parts
Part Overview
The IRS2500STRPBF is a Power Factor Correction (PFC) controller IC operating in Critical Conduction Mode (CRM), housed in an 8-SOIC surface mount package. This device is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity. The IRS2500STRPBF was designed for applications requiring precise power factor correction with CRM operation, and equivalent parts must maintain the same functional mode and package compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Functional Mode | Critical Conduction (CRM) |
| Package Type | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Voltage Supply Range | 11.5V ~ 20V |
| Operating Temperature Range | -25°C ~ 125°C |
| Current - Startup | 50 µA |
| Category | Power Management (PMIC) |
Substitute Part Grouping Explanation
Substitution of the IRS2500STRPBF is based on the following critical parameters:
- Functional Mode: Both the main part and substitute must operate in Critical Conduction (CRM) mode for PFC applications
- Package Compatibility: Identical 8-SOIC package ensures direct PCB layout compatibility without redesign
- Voltage Supply Range: The substitute must operate within or encompass the original supply voltage window (11.5V ~ 20V)
- Operating Temperature Range: The substitute must support the required thermal operating window
- Mounting Type: Surface mount compatibility is mandatory for production continuity
The NCP1608BDR2G meets all substitution criteria as a CRM-mode PFC controller in the same 8-SOIC package with compatible electrical specifications.
Parameter Comparison
| Parameter | IRS2500STRPBF | NCP1608BDR2G | Compatibility |
|---|---|---|---|
| Manufacturer | Infineon Technologies | onsemi | Different source |
| Product Status | Obsolete | Active | Substitute is in active production |
| Functional Mode | Critical Conduction (CRM) | Critical Conduction (CRM) | Identical |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | Identical |
| Mounting Type | Surface Mount | Surface Mount | Identical |
| Voltage - Supply | 11.5V ~ 20V | 10.2V ~ 20V | NCP1608BDR2G has wider lower range |
| Operating Temperature | -25°C ~ 125°C | -40°C ~ 125°C | NCP1608BDR2G has wider lower range |
| Current - Startup | 50 µA | 24 µA | NCP1608BDR2G has lower startup current |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) | 1 (Unlimited) | NCP1608BDR2G has superior moisture rating |
| RoHS Status | Not specified | ROHS3 Compliant | NCP1608BDR2G meets RoHS3 |
| REACH Status | REACH Unaffected | REACH Unaffected | Identical |
Engineering Selection Recommendations
The NCP1608BDR2G is the qualified substitute for the obsolete IRS2500STRPBF based on the following factors:
- Functional Equivalence: Both devices operate as CRM-mode PFC controllers with identical functional architecture
- Package Compatibility: Direct 8-SOIC pin-for-pin compatibility eliminates PCB redesign requirements
- Active Production Status: The NCP1608BDR2G is in active production with established supply chain availability, addressing the obsolescence of the IRS2500STRPBF
- Enhanced Specifications: The substitute offers improved performance characteristics including wider supply voltage range (10.2V ~ 20V), extended temperature range (-40°C ~ 125°C), lower startup current (24 µA), and superior moisture sensitivity rating (MSL 1)
- Compliance: The NCP1608BDR2G meets ROHS3 compliance and maintains REACH unaffected status, ensuring regulatory alignment
Frequently Asked Questions (FAQ)
Q: Can the NCP1608BDR2G be used as a direct replacement for the IRS2500STRPBF without PCB modifications?
A: Yes. Both devices use the identical 8-SOIC package with the same physical dimensions (0.154", 3.90mm Width) and surface mount configuration. No PCB layout changes are required for substitution.
Q: What are the key electrical differences between these two parts?
A: The NCP1608BDR2G operates with a lower startup current (24 µA vs. 50 µA) and supports a wider supply voltage range (10.2V ~ 20V vs. 11.5V ~ 20V). Both maintain CRM operation and are compatible with the same application requirements.
Q: Does the NCP1608BDR2G support the same operating temperature range?
A: The NCP1608BDR2G supports an extended temperature range of -40°C ~ 125°C compared to the IRS2500STRPBF range of -25°C ~ 125°C. This provides additional thermal margin for demanding applications.
Q: Are there any compliance or regulatory differences?
A: The NCP1608BDR2G is ROHS3 compliant, while the IRS2500STRPBF compliance status is not specified. Both maintain REACH unaffected status. The NCP1608BDR2G also carries a superior moisture sensitivity rating (MSL 1 Unlimited vs. MSL 2 1 Year).
Q: Why is the IRS2500STRPBF classified as obsolete?
A: The IRS2500STRPBF has reached end-of-life status and is no longer in active production. The NCP1608BDR2G represents the current-generation equivalent with active manufacturing support and improved specifications.
Q: What is the inventory status for the substitute part?
A: The NCP1608BDR2G has 222,600 pieces available as new original stock, ensuring reliable supply for production requirements.
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