P26R6 AC Series

Key features & specifications

TopologyOff-line active clamp forward

Power Range140–196 W

Input38–430 Vin

StandardIEC 60950 · IEC 61180-1

Footprint27 × 32.7 × 15 mm

Working Voltage1400 Vpk peak

Impulse Withstand8 kV

Efficiency94–95% typical

Temperature Rise45–65 °C above ambient

ControllersLT3752 + LT8311

P26R6 AC series off-line active clamp forward transformers for AC-line applications, 38–430 Vin and 140–196 W. Meets UL and IEC 60950-1 clearance and creepage for Class II reinforced insulation at 1400 Vpk peak working voltage and 8 kV peak impulse withstand (IEC 61180-1). Derated from customer verification in Analog Devices® reference designs using the LT3752 and LT8311 ICs.

Part number & parameter table

Stresses beyond values listed may cause permanent damage. Functional operation beyond any rating is not implied. All values at T<sub>amb</sub> = 25 °C unless noted.

Part Number	Vin Min (V)	Vin Max (V)	Vout (V)	Iout (A)	Output Power (W)	Frequency (kHz)	Output Inductor
P26R6-AC-0603-130R	38	180	12	13.4	160	136	PQI2050-17-14-LTC
P26R6-AC-0606-130R	38	180	24	6.0	144	136	PQA2050-75-7-LTC
P26R6-AC-0607-130R	38	180	28	5.0	140	136	PQA2050-90-LTC
P26R6-AC-0612-130R	38	180	48	3.0	144	136	PQI26-330-LTC
P26R6-AC-0803-200R	50	160	12	12	144	136	PQI2050-17-14-LTC
P26R6-AC-0806-200R	50	160	24	6.0	144	136	PQA2050-75-7-LTC
P26R6-AC-0807-200R	50	160	28	5.0	140	136	PQA2050-90-LTC
P26R6-AC-0812-200R	50	160	48	3.0	144	136	PQI26-330-LTC
P26R6-AC-2004-1M	88	400	12	12	144	100	PQI26-25R-18-HX
P26R6-AC-2006-1M	88	400	18	8.0	144	100	PQI26-58R-10-LTC
P26R6-AC-2008-1M	88	400	24	6.0	144	100	PQI26-130-LTC
P26R6-AC-2010-1M	88	400	28	5.0	140	100	PQI26-155-LTC
P26R6-AC-2016-1M	88	400	48	3.0	144	100	PQI26-330-LTC
P26R6-AC-2604-1M2	150	400	12	15	180	100	PQI26-18R-16-HX
P26R6-AC-2608-1M2	150	400	24	7.5	180	100	PQI26-78R-LTC
P26R6-AC-2610-1M2	150	400	28	5.0	140	100	PQI26-155-LTC
P26R6-AC-2616-1M2	150	400	48	3.5	168	100	PQI26-330-LTC
P26R6-AC-3203-2M	270	400	12	15	180	130	PQI26-15R-17-HX
P26R6-AC-3206-2M	270	400	24	8.0	192	130	PQI26-54R-11-LTC
P26R6-AC-3207-2M	270	400	28	7.0	196	130	PQI26-68R-LTC
P26R6-AC-3212-2M	270	400	48	4.0	192	130	PQI26-220-LTC

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Mechanical outline & package dimensions

Length	L	32.7
Width	W	27.0
Height	H	15.0
Insulation		Class II reinforced, IEC 60950-1
Finish		RoHS · Cu leads · Sn/Ag 96/4

Notes

P26R6 AC series planar transformers are optimised for the active clamp forward topology over a wide off-line input range.
The design meets UL and IEC 60950-1 clearance/creepage for Class II reinforced insulation, 1400 Vpk peak working voltage, and IEC 61180-1 peak impulse withstand of 8 kV.
Typical efficiency is 94–95% with a typical temperature rise of 45–65 °C above ambient; thermal pad and heat-sink options lower that rise.
A wide variety of part numbers, designs and turns ratios are in stock — contact us if the required configuration is not listed.
Surface mount, thru-hole, pad-to-pad and embedded planar windings are available options.