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Wire Wound Transformer PULSE PA1736NL High Frequency Model with Forward and Flyback Topology Support

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Wire Wound Transformer PULSE PA1736NL High Frequency Model with Forward and Flyback Topology Support

Isolation Voltage(Vrms) : 1.5kV

Inductance : 20.5uH

Operating Temperature : -40℃~+125℃

Description : 20.5uH LAN Transformer Surface Mount,29.2x21.8mm

Mfr. Part # : PA1736NL

Model Number : PA1736NL

Package : SMD,29.2x21.8mm

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Product Overview

Pulse Electronics offers a range of High Frequency Wire Wound Transformers designed for various power applications. These transformers are suitable for Forward and Flyback topologies, providing reliable performance with power capabilities up to 95W. They are engineered for demanding environments with an operating temperature range of -40C to +125C. Key features include precise inductance values, low DCR, and high Hi-Pot ratings for safety and efficiency. Optional Tape & Reel packaging is available for automated assembly.

Product Attributes

Brand: Pulse Electronics
Product Type: High Frequency Wire Wound Transformers
Topology Support: Forward and Flyback
RoHS Compliance: Indicated by "NL" suffix. Non-NL parts are electrically and mechanically equivalent but may not be RoHS compliant.
Packaging: Standard, Optional Tape & Reel (add "T" suffix)

Technical Specifications

Model	Topology	Power Range (Max)	Height (Max)	Footprint (Max)	Operating Temperature	Pri. Inductance (Nominal)	Lk. Inductance (Max)	Pri. DCR (Max)	Sec. DCR (Max)	Hi-Pot Pri-Sec	K1 Factor
PA0273NL	FORWARD	up to 95W	11.4mm	29.2mm x 21.8mm	-40C to +125C	307H 25% (1, 2-3, 4)	0.35H (1, 2-3, 4) with (5, 6, 9, 10) shorted	65m (1, 2-3, 4)	27m (7, 8, 9-10, 11, 12) / 240m (5-6)	1500Vrms	20.2
PA0751NL	FLYBACK				-40C to +125C	110H 10% (1, 2-3, 4)	2H (1, 2-3, 4) with (12, 11, 10, 9, 8, 7) shorted	85m (4-5)	12m (12, 11, 10-9, 8, 7) / 300m (1-3)	1500Vrms	1364.8
PA0769NL	FORWARD				-40C to +125C	89.2H 18% (1, 2-5, 4)	1.5H (1, 2-3, 4) with (12, 11, 10, 9, 8, 7) shorted	50m (1, 2-3,4)	3.8m (12-11) / 35m (10-9)=(8-7) / 110m (5-6)	1500Vdc	21.5
PA1558NL	FLYBACK				-40C to +125C	137H 32% (3-4)	1.0H (3-4) with (11, 10, 9, 8) shorted	35m (3-4)	199m (1-2) / 100m (5-6) / 17m (11-10)=(9-8)	500Vrms	29.3
PA1066NL	FORWARD				-40C to +125C	10H 10% (2, 3-4, 5)	0.3H (2, 3-4, 5) with (11, 8) shorted	15.75m (2, 3-4, 5)	560m (11-8)	1500Vrms	322.6
PA1366NL	FLYBACK				-40C to +125C	38.3H 7% (1, 2-3, 4)	1.0H (1, 2-3, 4) with (12, 11, 10, 9, 8, 7) shorted	72m (1-3)	85m (2-4) / 2.5m (12, 11, 10-9, 8, 7) / 230m (5-6)	1800Vrms	772.2
PA1477NL	FLYBACK				-40C to +125C	11.5H 10% (1, 2-3, 4)	0.5H (1, 2-3, 4) with (12, 11, 10, 9, 8, 7) shorted	28m (1, 2-3, 4)	5m (12-11) / 62m (10-9) / 190m (5-6) / 12m (8-7)	1500Vrms	463.7
PA1692NL	FLYBACK				-40C to +125C	73H 30% (3, 4-5, 6)	1.0H (3, 4-5, 6) with (12, 11, 10, 9, 8, 7) shorted	10.2m (3, 4-5, 6)	5m (12, 11, 10-9, 8, 7) / 115m (1-2)	1500Vdc	40.3
PA1735NL	FLYBACK				-40C to +125C	28.5H 5% (1, 2-3, 4)	1H (1, 2-3, 4) with (12, 11, 10, 9, 8, 7) shorted	39.0m (1, 2-3, 4)	3.5m (12, 11, 10-9, 8, 7) / 230m (5-6)	1800Vrms	574.6
PA1736NL	FLYBACK				-40C to +125C	20.5H 5% (1, 2-3, 4)	1H (1, 2-3, 4) with (12, 11, 10, 9, 8, 7) shorted	39.0m (1, 2-3, 4)	8.5m (12, 11, 10-9, 8, 7) / 230m (5-6)	1500Vrms	413.3
PA1835NL	FLYBACK				-40C to +125C	4.5H 5% (1, 2-3, 4)	0.25H (1, 2-3, 4) with (12, 11, 10, 9, 8, 7) shorted	9.5m (1, 2-3, 4)	3m (12, 11, 10-9, 8, 7) / 130m (5-6)	1800Vrms	241.9
PA1836NL	FLYBACK				-40C to +125C	4.5H 5% (1, 2-3, 4)	0.2H (1, 2-3, 4) with (12, 11, 10, 9, 8, 7) shorted	9.5m (1, 2, 3, 4)	5m (12, 11, 10-9, 8, 7) / 130m (5-6)	1800Vrms	241.9
PA1837NL	FLYBACK				-40C to +125C	4.5H 5% (1, 2-3, 4)	0.2H (1, 2-3, 4) with (12, 11, 10, 9, 8, 7) shorted	9.5m (1, 2, 3, 4)	23m (12, 11, 10-9, 8, 7) / 130m (5-6)	1800Vdc	241.9
PA2398NL	FLYBACK				-40C to +125C	7.2H 5% (1-3)	0.3H (1-3) with (11, 10-9, 7) shorted	52m (1-3)	12m (11, 10-9, 7) / 240m (5-6)	1500Vrms	290.3
PA2047NL	FLYBACK				-40C to +125C	292.0H 32% (1, 2-5, 6)	1.3H (1, 2-5, 6) with (12, 11, 10, 9, 8, 7) shorted	78.0m (1, 2-5, 6)	12m (7, 8-9, 10) / 43m (11-12)	1500Vrms	20.2
PA2053NL	FLYBACK				-40C to +125C	57.6H 12% (1-4)	0.5H (1-4) with (all windings) shorted	65m (1-4)	155m (3-2) / 145m (6-5) / 4m (7, 8-9, 10) / 55m (11-12)	1500Vdc	26.9
PA2291NL	FORWARD				-40C to +125C	100H 12% (1,2-3.4)	0.45H (1, 2-3, 4) with (5, 6, 9,1 0) shorted	72m (1, 2-3, 4)	15m (7, 8, 9-10, 11, 12) / 680m (5-6)	1500Vrms	16.1
PB2041NL	FORWARD				-40C to +125C	491H 35% (1-6) with (3-4) shorted	1H (1-6) with (all windings) shorted	36.1m (1-3)	45.6m (4-6) / 86.4m (8-7) / 86.4m (11-9) / 47.8m (12-10)	1500Vrms	16.1
PB2089NL	FORWARD				-40C to +125C	112.0H MAX (5, 4-3, 2)	1H (5, 4-3, 2) with (all windings) shorted	55m (5-3)	67.7m (4-2) / 5.5m (10, 11-8, 9) / 123m (12-7) / 923m (6-1)	1500Vdc	24.8

2410121745_PULSE-PA1736NL_C5723154.pdf

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