onsemi NCP1251BSN65T1G Microcontrollers
AC to DC offline Controller

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
NCP1251BSN65T1G
Base Model
Detailed Description
AC to DC offline Controller
Package
SOT-23-6 Thin, TSOT-23-6
Lifecycle Status
Active
Datasheet
NCP1251BSN65T1G Datasheet
Quick Jump:
Technical Specifications
onsemi NCP1251BSN65T1G Microcontrollers technical specifications.
General
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
Active
Internal Switch S
No
Switching Frequency
65kHz
Output Isolation
Isolated
Topology
Flyback
Voltage Start Up
18 V
Alternate Parts Comparison (NCP1251BSN65T1G vs NCP1251BSN100T1G vs NCP308SN180T1G vs NCP1622AEASNT1G)
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 |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supply Voltage | 8.8V ~ 28V | 8.8V ~ 28V | -- | 9.5V ~ 30V |
| Switching Frequency | 65kHz | 100kHz | -- | -- |
| Duty Cycle | 80% | 80% | -- | -- |
| Fault Protection | Over Power, Over Voltage, Short Circuit | Over Power, Over Voltage, Short Circuit | -- | -- |
| Internal Switch S | No | No | -- | -- |
| Output Isolation | Isolated | Isolated | -- | -- |
| Topology | Flyback | Flyback | -- | -- |
| Voltage Start Up | 18 V | 18 V | -- | -- |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.