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SI9120DJ The SI9120DJ is a switching controller from SIL. It operates with a 10-450V input range and offers current-mode control.
Mfr Part #:

SI9120DJ

Available from 1 distributors
Mfr Name: SIL
SIL
The SI9120DJ is a switching controller from SIL. It operates with a 10-450V input range and offers current-mode control.
✓ Total Stock: 20 pcs
$ Price Range: $0.99

SI9120DJ Available from 1 distributor

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✓ Non-Authorised
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20 pcs
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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.

SI9120DJ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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SI9120DJ Description

Short technical summary and product information.

The SI9120DJ is a switching controller manufactured by SIL, also known as Siliconix. This component is designed for use in low-power, high-efficiency off-line power supplies.

 

Key electrical specifications include an input voltage range of 10 to 450V and current-mode control. It provides a 125mA output drive and features an internal oscillator operating at 1MHz. The maximum switching frequency is rated at 3000kHz.

 

The SI9120DJ is housed in a PDIP16 package. Its high-voltage DMOS inputs allow the controller to be used in various power supply applications requiring efficiency and low power consumption.

SI9120DJ Quick Information

Product Type: Switching Controller
Canonical Name: SI9120DJ Switching Controller
Subcategory: FETs, MOSFETs - Arrays

SI9120DJ Compliance

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

SI9120DJ Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

SI9120DJ Features

  • 10 to 450V input voltage range.
  • Current-mode control for stable operation.
  • 125mA output drive capability.
  • Internal oscillator at 1MHz.
  • PDIP16 package for through-hole mounting.

SI9120DJ Applications

  • Used in high-voltage switching circuits
  • Suitable for power management applications
  • Ideal for motor control modules
  • Applicable in switching power supplies

SI9120DJ FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the SI9120DJ?

The input voltage range is 10 to 450V.

What type of control does the SI9120DJ use?

It uses current-mode control.

What is the output drive current of the SI9120DJ?

The output drive current is 125mA.

What is the internal oscillator frequency?

The internal oscillator frequency is 1MHz.

What is the maximum switching frequency?

The maximum switching frequency is 3000kHz.

What package is the SI9120DJ supplied in?

It is supplied in a PDIP16 package.

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