Transformers

290QX

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Hammond Manufacturing

POWER TRANSFORMERS MARSHALL JTM30, 120/240 VAC 50/60 HZ., 325V @ 270 MA

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Transformers

290QX

Active

Hammond Manufacturing

POWER TRANSFORMERS MARSHALL JTM30, 120/240 VAC 50/60 HZ., 325V @ 270 MA

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	290QX

DC Resistance (DCR) - Primary	9.752 Ohm, 8.054 Ohm
DC Resistance (DCR) - Secondary	4.776 Ohm, 52.25 Ohm, 166 mOhm
Height - Seated (Max)	73.05 mm
Height - Seated (Max) [Max]	2.876 in
Mounting Type	Chassis Mount
Size / Dimension [x]	85.73 mm
Size / Dimension [x]	3.375 in
Size / Dimension [y]	2.385 in
Size / Dimension [y]	60.58 mm
Termination Style	Solder Lug
Voltage - Isolation [Max]	240 VAC
Voltage - Isolation [Min]	120 VAC

290 Series

Part	Primary Winding(s)	Current - Output (Max)	Secondary Winding(s)	Voltage - Secondary (Full Load)	Mounting Type	Size / Dimension [x]	Size / Dimension [y]	Height - Seated (Max) [Max] [z]	Voltage - Isolation	Termination Style	Voltage - Primary	Type	Weight	Weight	Height - Seated (Max) [Max]	DC Resistance (DCR) - Primary	Height - Seated (Max)	Size / Dimension [x]	Size / Dimension [y]	DC Resistance (DCR) - Secondary	Voltage - Isolation [Max]	Voltage - Isolation [Min]
Hammond Manufacturing 290MAEX	Dual Multiple Taps	3 A 5 A 150 mA	Four	5 V 6.3 V 625 V 690 V	Chassis Mount	4.5 in	79.5 mm	101.6 mm	2500 Vrms	Wire Leads
Hammond Manufacturing 290LX	Dual	2 A 4 A 230 mA	Triple	5 V 6.3 V 600 V	Chassis Mount	96.01 mm	102.87 mm	81.86 mm		Wire Leads	120 V 240 V	Laminated Core	7.3 lbs	3.3 kg
Hammond Manufacturing 290D2EX	Dual	3 A 5 A 300 mA	Triple	5 V 6.3 V 50 V 710 V	Chassis Mount	87.33 mm	106.3 mm	104.78 mm		Wire Leads	120 V 210 V 220 V 230 V 240 V
Hammond Manufacturing 290MX	Dual	3 A 6 A 230 mA	Triple	5 V 6.3 V 550 V	Chassis Mount	2.5 "	71.55 mm			Wire Leads	120 V 240 V	Laminated Core	7 lbs	3.2 kg	77.8 mm
Hammond Manufacturing 290EBZ	Single	6 A 100 mA 500 mA	Triple	6.3 V 50 V 340 V	Chassis Mount	3.75 "	106.32 mm	114.3 mm		Wire Leads	120 V
Hammond Manufacturing 290QX					Chassis Mount	3.375 in	2.385 in			Solder Lug					2.876 in	8.054 Ohm 9.752 Ohm	73.05 mm	85.73 mm	60.58 mm	4.776 Ohm 52.25 Ohm 166 mOhm	240 VAC	120 VAC
Hammond Manufacturing 290WEX	Single		Single		Chassis Mount					Wire Leads
Hammond Manufacturing 290DAX	Dual	3 A 5 A 230 mA	Triple	5 V 6.3 V 610 V 710 V	Chassis Mount	87.33 mm	101.24 mm	104.78 mm		Wire Leads	120 V 240 V
Hammond Manufacturing 290NX	Multiple Taps Single	3.42 A 6.8 A 262 mA	Triple	5 V 6.3 V 580 V	Chassis Mount	111.51 mm	4.7 in	135.2 mm		Wire Leads	100 V 120 V 220 V 230 V 240 V	Laminated Core	11 lbs	5 kg
Hammond Manufacturing 290UEX	Single		Single		Chassis Mount					Wire Leads

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Bulk	1	$ 124.78
		10	$ 115.29
		25	$ 112.76
		50	$ 111.19
	N/A	2	$ 144.46
		10	$ 144.46
Mouser	N/A	1	$ 143.69
		10	$ 127.05
		25	$ 124.27
		50	$ 120.28

Description

General part information

290 Series

Impedance Primary Ohms Impedance Secondary Ohms Audio Transformer Chassis Mount

Documents

Technical documentation and resources

No documents available