GA3550-BLD The Coilcraft GA3550-BLD is a gate drive transformer featuring 460uH inductance and 3000Vrms isolation. It operates within a -40°C to +85°C temperature range.
Mfr Part #:

GA3550-BLD

Available from 2 distributors
Mfr Name: Coilcraft
Coilcraft
The Coilcraft GA3550-BLD is a gate drive transformer featuring 460uH inductance and 3000Vrms isolation. It operates within a -40°C to +85°C temperature range.
Total Stock: 613 pcs
$ Price Range: $3.00

GA3550-BLD Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
413 pcs
413 pcs On Request 1 On Request On Request 17+ On Request On Request
Non-Authorised Inventory information
200 pcs
200 pcs On Request 1 On Request On Request On Request On Request On Request

GA3550-BLD Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Capacitance
Core Material
Mounting Type
SVHC Present
Storage Temperature
Tape & Reel
Turns Ratio
Weight

GA3550-BLD Description

Short technical summary and product information.

The Coilcraft GA3550-BLD is a gate drive transformer designed for high-performance power applications. It offers a nominal inductance of 460µH and provides robust isolation of 3000Vrms from primary to secondary windings.

 

This transformer is built with a ferrite core and RoHS compliant terminations, ensuring reliability and environmental compatibility. It operates across an ambient temperature range of -40°C to +85°C, with a maximum part temperature of +125°C.

 

The GA3550-BLD is suitable for surface-mount (SMD/SMT) PCB mounting and comes on a 13-inch reel with 200 parts. It is designed to meet UL/CSA/IEC 60950 Reinforced Insulation specifications, featuring 3.0 mm creepage and clearance.

 

This component has been selected by Texas Instruments for their UCD3138 evaluation boards, highlighting its suitability for digital power controller applications.

GA3550-BLD Quick Information

Product Type: Gate Drive Transformer
Series: GA3550
Canonical Name: Coilcraft GA3550-BLD Gate Drive Transformer
Subcategory: Pulse Transformer

GA3550-BLD Compliance

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

GA3550-BLD Estimated Pricing

Qty Low High
1+ $3.00 $3.00

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

GA3550-BLD Features

  • Ferrite core gate drive transformer.
  • 460µH nominal inductance.
  • 3000Vrms primary to secondary isolation.
  • Operates from -40°C to +85°C.
  • SMD/SMT PCB mountable.

GA3550-BLD Applications

  • Ideal for UCD3138 evaluation boards.
  • Suitable for reinforced insulation designs.
  • Used in high-voltage power applications.
  • Digital power controller integration.

GA3550-BLD FAQs

6 frequently asked questions generated from this part’s specifications.
What is the inductance of the GA3550-BLD?

The primary inductance is 460 µH measured at 200 kHz, 0.4 Vrms, 0 Adc.

What is the isolation voltage of this transformer?

The isolation voltage is 3000 Vrms from primaries to secondary and 500 Vrms from windings to core.

What is the operating temperature range?

The ambient operating temperature range is -40°C to +85°C.

What is the package type?

The package is SMD/SMT for PCB mounting.

What is the turns ratio?

The turns ratio is 1:1:1.

What is the maximum DC resistance?

The maximum DCR is 0.410 Ohms on primary A, 1.25 Ohms on primary B, and 0.440 Ohms on the secondary.

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