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NCP1251ASN65T1G The NCP1251ASN65T1G is an offline flyback switching controller from On Semiconductor. It operates at a switching frequency of 65 kHz and is housed in a 6TSOP package.
Mfr Part #:

NCP1251ASN65T1G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The NCP1251ASN65T1G is an offline flyback switching controller from On Semiconductor. It operates at a switching frequency of 65 kHz and is housed in a 6TSOP package.
✓ Total Stock: 13,837 pcs
$ Price Range: $0.75

NCP1251ASN65T1G Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
12,000 pcs
On Request
12000 pcs On Request 1 On Request On Request 18+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,837 pcs
On Request
1837 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

NCP1251ASN65T1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Supplier Device Package
Topology
Voltage
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NCP1251ASN65T1G Description

Short technical summary and product information.

The NCP1251ASN65T1G is an offline flyback switching controller manufactured by On Semiconductor. It is designed for AC-DC power supply applications using flyback converter topologies.

 

The device operates at a nominal switching frequency of 65 kHz. It features frequency foldback operation, which reduces the switching frequency to a minimum of 26 kHz under light load conditions to improve efficiency and reduce standby power consumption.

 

The controller is available in a 6TSOP surface-mount package, suitable for automated assembly processes. This package is commonly used in compact power supply designs where board space is limited.

NCP1251ASN65T1G Quick Information

Product Type: Offline Flyback Switching Controller
Canonical Name: NCP1251ASN65T1G Offline Flyback Switching Controller
Subcategory: Offline Switches

NCP1251ASN65T1G Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

NCP1251ASN65T1G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

NCP1251ASN65T1G Features

  • Fixed-frequency 65 kHz current-mode control operation.
  • Frequency foldback down to 26 kHz.
  • Internal adjustable over power protection.
  • Internal fixed 4 ms soft-start.
  • Up to 28 V VCC supply range.

NCP1251ASN65T1G Applications

  • Flyback converter offline power supplies
  • AC-DC adapters and chargers
  • LED lighting power supply units
  • Auxiliary power for home appliances
  • Industrial SMPS designs
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