onsemi NCP1239FDR2 AC DC Converters, Offline Switchers
IC OFFLINE SWITCH FLYBACK 16SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
NCP1239FDR2
Detailed Description
IC OFFLINE SWITCH FLYBACK 16SOIC
Package
16-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 16-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
NCP1239FDR2 Datasheet
Quick Jump:
Technical Specifications
onsemi NCP1239FDR2 AC DC Converters, Offline Switchers technical specifications.
General
Package / Case
16-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 150°C (TJ)
Supply Voltage
11.2V ~ 36V
Lifecycle Status
Obsolete
Internal Switch S
No
Switching Frequency
Up to 250kHz
Output Isolation
Isolated
Topology
Flyback
Voltage Start Up
16.4 V
Alternate Parts Comparison (NCP1239FDR2 vs NCP1205DR2 vs NCP1205DR2G vs NCP1063AD100R2G)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 150°C (TJ) | -25°C ~ 125°C (TJ) | -25°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 11.2V ~ 36V | 8V ~ 30V | 8V ~ 30V | 7V ~ 20V |
| Switching Frequency | Up to 250kHz | 90kHz ~ 125kHz | 90kHz ~ 125kHz | 100kHz |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Active |
| Fault Protection | Current Limiting, Over Load | Current Limiting, Over Voltage, Short Circuit | Current Limiting, Over Voltage, Short Circuit | Over Load, Over Power, Over Temperature, Short Circuit |
| Internal Switch S | No | No | No | Yes |
| Output Isolation | Isolated | Isolated | Isolated | Either |
| Topology | Flyback | Flyback | Flyback | Buck, Flyback |
| Package | -- | 16-SOIC (0.154", 3.90mm Width) | SOIC-16 | SOIC-16 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
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