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SMPS Flyback Transformer HA3905-CL_ Designed for 36 V – 57 V input; 200 kHz
Description:
• Developed for use with Microsemi UC3844 Current Mode
Controller and LX1752 Buck Regulator
• 1500 Vrms, one minute isolation from primary, auxiliary and
reset to secondary; 500 Vrms from primary and reset to auxiliary
• Designed for 36 V – 57 V input; 200 kHz
Core material Ferrite
Terminations RoHS tin-silver over tin over nickel over phos bronze.
Other terminations available at additional cost.
Weight 6.7 g
Ambient temperature –40°C to +85°C
Storage temperature Component: –40°C to +85°C.
Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
| Part number | L at 0 A ±10% (μH) | L at Ipk min (μH) | Input voltage (V) | DCR max (Ohms) | Leakage L max (μH) | Turns ratio | Ipk (A) | Output | |||
| HA3905-CL_ | 27.0 | 24.3 | 37 –57 | 0.170 (pri) 0.015 (sec) 0.385 (aux) 0.371 (reset) | 1.9 | 3.75 : 1 (pri : sec ) 1.36 : 1 (pri : aux) 1 : 1 (pri : reset) | 1.2 | 5 V, 2.5 A (sec)V, 12 V, 20 mA (aux) | |||
SMPS Flyback Transformer HA3905-CL_ Designed for 36 V – 57 V input; 200 kHz
Shape and Dimensions:
Product picture: