SPLIT BOBBIN POWER TRANSFORMER Power & Mains Transformers 17

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Part	Manufacturer	Transformer Type	Mounting Feature	Approvals (V)	Center Tap Feature-2	Isolation Voltage	Output Current-1	Output Current-2	No. of Winding (Secondary)	Dimensions	Volt-Ampere Rating (VA)	Center Tap Feature-1	Output Voltage-2	Output Voltage-1	Nominal Operating Frequency	Rating (Primary)	Height	Width	Nominal Input Voltage (V)	Length
F20-120-C2	Triad Magnetics	SPLIT BOBBIN POWER TRANSFORMER	THROUGH HOLE MOUNTED		NO	4200000 V	.12 A	.12 A	2	L34.92XB28.57XH30.15 (mm)	2.5 VA	NO	10 V	10 V	50/60 HZ	SINGLE 115V	30.15 mm	28.57 mm		34.92 mm
FS10-1200-C2	Triad Magnetics	SPLIT BOBBIN POWER TRANSFORMER	THROUGH HOLE MOUNTED		NO	4200000 V	1.2 A	1.2 A	2	L47.62XB39.67XH36.5 (mm)	12 VA	NO	5 V	5 V	50/60 HZ	DUAL 115V	36.5 mm	39.67 mm		47.62 mm
166G28	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	CHASSIS MOUNT	CSA; UL	NO	2000 V	.5 A		1		14 VA	YES		28 V	60 HZ	SINGLE 115V	42.926 mm	41.402 mm	115	71.374 mm
166G30	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	CHASSIS MOUNT	CSA; UL	NO	2000 V	.5 A		1		15 VA	YES		30 V	60 HZ	SINGLE 115V	50.8 mm	41.402 mm	115	82.55 mm
166J28	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	CHASSIS MOUNT	CSA; UL	NO	2000 V	1 A		1		28 VA	YES		28 V	60 HZ	SINGLE 115V	50.8 mm	50.8 mm	115	82.55 mm
166L28	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	CHASSIS MOUNT	CSA; UL	NO	2000 V	2 A		1		56 VA	YES		28 V	60 HZ	SINGLE 115V	58.674 mm	54.102 mm	115	93.726 mm
166M16	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	CHASSIS MOUNT	CSA; UL	NO	2000 V	3 A		1		48 VA	YES		16 V	60 HZ	SINGLE 115V	58.674 mm	54.102 mm	115	93.726 mm
161G20	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	PCB MOUNT	CSA; UL	NO	2000 V	1 A		2		10 VA	NO		10 V	60 HZ	SINGLE 115V	42.926 mm	36.576 mm	115	49.276 mm
160F24	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	PCB MOUNT	CSA; UL	NO	2000 V	.36 A		2		4.4 VA	NO		12 V	50/60 HZ	DUAL 115/230V	36.83 mm	31.75 mm	115/230	42.926 mm
160G28	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	PCB MOUNT	CSA; UL	NO	2000 V	.72 A		2		10 VA	NO		14 V	50/60 HZ	DUAL 115/230V	42.926 mm	36.576 mm	115/230	49.276 mm
162D10	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	PCB MOUNT	CUL; UL	NO	2500 V	.22 A		2		1.1 VA	NO	5 V	5 V	50/60 HZ	DUAL 115V	23.8125 mm	28.702 mm	115/230	35.052 mm
162F12	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	PCB MOUNT	CUL; UL	NO	2500 V	1 A		2		6 VA	NO	6.3 V	6.3 V	50/60 HZ	DUAL 115V	33.274 mm	33.274 mm	115/230	41.402 mm
162H16	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	PCB MOUNT	CUL; UL	NO	2500 V	2.5 A		2		20 VA	NO	8 V	8 V	50/60 HZ	DUAL 115V	36.576 mm	47.752 mm	115/230	57.15 mm
183H16	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	THROUGH HOLE MOUNTED	CE; CUL; TUV; UL	NO	4000 V	2.5 A		2		20 VA	NO	8 V	8 V	50/60 HZ	DUAL 115V	41.402 mm	47.752 mm		57.15 mm
229D24	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	THROUGH HOLE MOUNTED	CUL; UL	NO	1750 V	4 A		2		48 VA	NO	12 V	12 V	50/60 HZ	DUAL 115V	35.052 mm	63.5 mm	115/230	79.248 mm
185G36	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	CHASSIS MOUNT	CE; CUL; TUV; UL	NO	4000 V	9.6 A		2		175 VA	NO	18 V	18 V	50/60 HZ	DUAL 115/230V	95.25 mm	79.248 mm	115/230	81.28 mm
187F16	Hammond Manufacturing	SPLIT BOBBIN POWER TRANSFORMER	CHASSIS MOUNT	CSA; UL	NO	2000 V	6.25 A		1		100 VA	YES		16 V	50/60 HZ	SINGLE 115V	65.024 mm	57.15 mm	115	102.362 mm

Power & Mains Transformers

Power and mains transformers are types of electrical transformers used in power transmission and distribution systems to convert high voltage and low current to low voltage and high current or vice versa. They are essential components in the electricity grid, and are used to step up or step down voltage levels for efficient transmission and distribution of electrical energy.

Power transformers are used in high voltage transmission systems, typically at voltages of 110 kV and above, to step up or step down the voltage levels. They have a high power rating, typically ranging from several hundred kVA to several thousand MVA, and are designed to handle high currents and voltages without overheating or breaking down. Power transformers are typically oil-immersed, and use a magnetic core made of laminated steel to reduce losses and improve efficiency.

Mains transformers, also known as distribution transformers, are used in low voltage distribution systems, typically at voltages of 11 kV or below, to step down the voltage levels for use by consumers. They have a lower power rating than power transformers, typically ranging from several kVA to several hundred kVA, and are designed to operate at lower voltages and currents. Mains transformers are typically dry-type, and use a magnetic core made of laminated steel or ferrite to reduce losses and improve efficiency.

Both power and mains transformers require proper design, selection, and maintenance to ensure reliable and efficient operation. They are subject to various standards and regulations, such as IEC (International Electrotechnical Commission) and IEEE (Institute of Electrical and Electronics Engineers), to ensure their safety and performance. Proper installation and maintenance of transformers, such as regular inspection, testing, and oil analysis, are also critical to ensure their longevity and performance.