MIL-STD-1553 Pulse & Datacom Transformers 15

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Part	Manufacturer	Transformer Type	Mounting Feature	Approvals (V)	Terminal Finish	No. of Functions	Impedance (Secondary)	No. of Winding (Primary)	No. of Winding (Secondary)	Sub-Category	Dimensions	Maximum Operating Temperature	Application	Minimum Operating Temperature	Height	Width	Load Resistance	JESD-609 Code	Length	Turns Ratio (Np:Ns)
PM-DB2791S+	Holt Integrated Circuits	DATACOM TRANSFORMER	SURFACE MOUNT	MIL-STD-1553		1						130 Cel	DATA BUS INTERFACE	-55 Cel	4.699 mm	10.16 mm			10.16 mm	1:2.5
PM-DB2791S	Holt Integrated Circuits	DATACOM TRANSFORMER	SURFACE MOUNT	MIL-STD-1553	Tin/Lead (Sn/Pb)	1					L15.87XB15.87XH6.35 (mm)	130 Cel	DATA BUS INTERFACE	-55 Cel	4.699 mm	10.16 mm		e0	10.16 mm	1:2.5
PM-DB2745S+	Holt Integrated Circuits	DATACOM TRANSFORMER	SURFACE MOUNT	MIL-STD-1553	Matte Tin (Sn)	1	4000 OHMS	1	3		L23.62XB16.0XH3.937 (mm)	130 Cel	DATA BUS INTERFACE	-55 Cel	3.937 mm	16.002 mm	3.5 ohm	e3	23.622 mm	1:2.5; 1:1.79
PM-DB2745L	Holt Integrated Circuits	DATACOM TRANSFORMER	SURFACE MOUNT	MIL-STD-1553	Tin/Lead (Sn/Pb)	1	4000 OHMS	1	3	Other Transformers	L16.0XB16.0XH3.973 (mm)	130 Cel	DATA BUS INTERFACE	-55 Cel	3.937 mm	16.002 mm	3.5 ohm	e0	16.002 mm	1:2.5; 1:1.79
PM-DB2745L+	Holt Integrated Circuits	DATACOM TRANSFORMER	SURFACE MOUNT	MIL-STD-1553	Matte Tin (Sn)	1					L16.0XB16.0XH3.973 (mm)	130 Cel	DATA BUS INTERFACE	-55 Cel	3.937 mm	16.002 mm		e3	16.002 mm	1:2.5; 1:1.79
PM-DB2776	Holt Integrated Circuits	DATACOM TRANSFORMER	SURFACE MOUNT	MIL-STD-1553	Tin/Lead (Sn/Pb)	1						130 Cel	DATA BUS INTERFACE	-55 Cel	4.699 mm	10.16 mm		e0	17.145 mm	1:2.5; 1:1.79
PM-DB2776+	Holt Integrated Circuits	DATACOM TRANSFORMER	SURFACE MOUNT	MIL-STD-1553	Tin/Silver/Copper (Sn96.5Ag3.0Cu0.5)	1						130 Cel	DATA BUS INTERFACE	-55 Cel	4.699 mm	10.16 mm		e1	17.145 mm	1:2.5; 1:1.79
PM-DB2725EX+	Holt Integrated Circuits	DATACOM TRANSFORMER	THROUGH HOLE MOUNTED	MIL-STD-1553	Matte Tin (Sn)	1					L10.16XB10.16XH6.1 (mm)	130 Cel	DATA BUS INTERFACE	-55 Cel	6.604 mm	10.16 mm		e3	10.16 mm	1:2.5; 1:1.79
PM-DB2725EX	Holt Integrated Circuits	DATACOM TRANSFORMER	THROUGH HOLE MOUNTED	MIL-STD-1553	Tin/Lead (Sn/Pb)	1					L10.16XB10.16XH6.1 (mm)	130 Cel	DATA BUS INTERFACE	-55 Cel	6.604 mm	10.16 mm		e0	10.16 mm	1:2.5; 1:1.79
PM-DB2762	Holt Integrated Circuits	DATACOM TRANSFORMER	SURFACE MOUNT	MIL-STD-1553	Tin/Lead (Sn/Pb)	1					L10.16XB10.16XH8.128 (mm)	130 Cel	DATA BUS INTERFACE	-55 Cel	8.128 mm	10.16 mm		e0	10.16 mm	1:2.5
PM-DB2762+	Holt Integrated Circuits	DATACOM TRANSFORMER	SURFACE MOUNT	MIL-STD-1553		1					L10.16XB10.16XH8.12 (mm)	130 Cel	DATA BUS INTERFACE	-55 Cel	8.128 mm	10.16 mm			10.16 mm	1:2.5
PM-DB2745D	Holt Integrated Circuits	DATACOM TRANSFORMER	THROUGH HOLE MOUNTED	MIL-STD-1553	Tin/Lead (Sn/Pb)	1					L23.62XB16.0XH3.937 (mm)	130 Cel	DATA BUS INTERFACE	-55 Cel	3.937 mm	16.002 mm		e0	23.622 mm	1:2.5; 1:1.79
PM-DB2745D+	Holt Integrated Circuits	DATACOM TRANSFORMER	THROUGH HOLE MOUNTED	MIL-STD-1553	Matte Tin (Sn)	1					L23.62XB16.0XH3.937 (mm)	130 Cel	DATA BUS INTERFACE	-55 Cel	3.937 mm	16.002 mm		e3	23.622 mm	1:2.5; 1:1.79
PM-DB27408	Holt Integrated Circuits	DATACOM TRANSFORMER	THROUGH HOLE MOUNTED	MIL-STD-1553	Tin/Lead (Sn/Pb)	1					L23.62XB10.92XH3.937 (mm)	130 Cel	DATA BUS INTERFACE	-55 Cel	6.35 mm	15.875 mm		e0	15.875 mm	1:2.5; 1:1.79
PM-DB27408+	Holt Integrated Circuits	DATACOM TRANSFORMER	THROUGH HOLE MOUNTED	MIL-STD-1553	Matte Tin (Sn)	1					L23.62XB10.92XH3.937 (mm)	130 Cel	DATA BUS INTERFACE	-55 Cel	6.35 mm	15.875 mm		e3	15.875 mm	1:2.5; 1:1.79

Pulse & Datacom Transformers

Pulse transformers and datacom transformers are two types of transformers used in electronic circuits for signal isolation and transmission.

Pulse transformers are used to transmit short-duration electrical pulses between two circuits, while providing electrical isolation between them. They are commonly used in applications such as digital communication, pulse amplifiers, and switching power supplies. Pulse transformers are typically designed to handle high voltage and high-frequency signals, and have a low turns ratio. They are also designed to minimize signal distortion and provide high signal integrity.

Datacom transformers, also known as isolation transformers, are used to provide electrical isolation and impedance matching between two circuits in data communication applications, such as Ethernet and other networking protocols. They are used to eliminate ground loops, reduce electromagnetic interference (EMI), and provide surge protection. Datacom transformers are typically designed to handle low voltage and low-frequency signals, and have a high turns ratio. They are also designed to provide high common-mode rejection and low insertion loss.