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GA3172 Flyback Transformer

for the Microchip AC LED Driver

RoHS compliant
  • Developed for Microchip to operate with PIC16HV785 CMOS Microcontroller and MCP1402 Gate Driver
  • Universal AC input 
  • 12 V bias winding output powers the microcontroller
Buy Now:
Count Unit price
1 $5.19
250 $4.15
500 $3.61
1000 $2.81
2500 $2.41

For high volume or non-stock items, request a quote.

. in stock, ready to ship today.
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Typical Application

Works with Microchip PIC16HV785

Input Voltage Output 1 Power Fsw
Sec Bias
85 V 265 V 20 V , 0.7 A 12 V , 0.02 A 14 W 250 kHz

Specifications

Electrical specifications at 25°C.

Part number Inductance
at 0A (µH) 2
(Tolerance: ±10%)
Inductance
min at   0.78 A (µH)
DCR max (Ω) Leakage
Inductance
max (µH) 3
Turns Ratio Isolation
Voltage (Vrms) 4
Pri Sec Bias Pri : Sec : Bias
GA3172-AL 500 450 0.675 0.245 0.325 8.25 1 : 0.214 : 0.131 3000
Notes
  1. Output is for the secondary. Bias winding output is 12 V.
  2. Inductance measured at 125 kHz, 0.1 Vrms, 0 Adc.
  3. Leakage inductance is for the primary and is measured with the secondary shorted.
  4. 3000 Vrms, one minute isolation from the primary and bias to the secondary winding.

Termination:

  • RoHS-compliant. Tin-silver over tin over copper over steel terminations. Other terminations available at additional cost.
Environmental
Environmental:
RoHS compliant
Ambient temperature range:
–40°C to +85°C
Storage temperature range:
Component: –40°C to +85°C.
Packaging: –40°C to +80°C
Failures in Time (FIT) / Mean Time Between Failures (MTBF):
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332

Schematics

ga3172s.gif

Physical characteristics

ga3172d.gif


dims_inches_mm-(5).gif
 

General specification

Core Material:
Ferrite
Weight:
11.7 g
Packaging:
117 parts per tray

Washing

Moisture Sensitivity Level (MSL):
1 (unlimited floor life at <30°C / 85% relative humidity)
PCB Washing:
Only pure water or alcohol recommended.