onsemi NCP1251ASN65T1G AC DC Converters, Offline Switchers
Converter Offline Flyback Topology 65kHz 6-TSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
NCP1251ASN65T1G
Detailed Description
IC OFFLINE SWITCH FLYBACK 6TSOP
Package
SOT-23-6 Thin, TSOT-23-6
Key Features
Package / Case: SOT-23-6 Thin, TSOT-23-6; Mounting Type: Surface Mount
Lifecycle Status
Last Shipments
RoHS State
RoHS Compliant
Datasheet
NCP1251ASN65T1G Datasheet
Quick Jump:
Technical Specifications
onsemi NCP1251ASN65T1G AC DC Converters, Offline Switchers technical specifications.
General
RoHS
Yes
Package / Case
SOT-23-6 Thin, TSOT-23-6
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Supply Voltage
8.8V ~ 28V
Lifecycle Status
Last Shipments
Internal Switch S
No
Switching Frequency
65kHz
Output Isolation
Isolated
Topology
Flyback
Alternate Parts Comparison (NCP1251ASN65T1G vs NCP1215ASNT1G vs NCP1361AABAYSNT1G vs NCP12510DSN65T1G)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | SOT-23-6 Thin, TSOT-23-6 | SOT-23-6 Thin, TSOT-23-6 | SOT-23-6 Thin, TSOT-23-6 | SOT-23-6 Thin, TSOT-23-6 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | 150°C (TJ) | -40°C ~ 125°C (TJ) | 150°C (TJ) |
| Supply Voltage | 8.8V ~ 28V | 9V ~ 18V | 6.6V ~ 28V | 8.9V ~ 20V |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Last Shipments | Obsolete | Active | Active |
| Internal Switch S | No | No | No | No |
| Output Isolation | Isolated | Isolated | Isolated | Isolated |
| Package | TSOP-6 | TSOP-6 | TSOP-6 | TSOP-6 |
| Topology | Flyback | Flyback | Flyback | Flyback |
| Voltage Start Up | 18 V | 12.5 V | 18 V | 1.9 V |
| Switching Frequency | 65kHz | -- | 80kHz | 65kHz |
| 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
NCP12510ASN65T1GonsemiSimilaronsemi
Pin YesPkg YesElec Mixed
Converter Offline Flyback Topology 65kHz 6-TSOP
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