TELECOM TRANSFORMER Telecom Transformers 24

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Part	Manufacturer	Transformer Type	Mounting Feature	Manufacturer Series	Approvals (V)	Terminal Finish	Impedance (Primary)	Impedance (Secondary)	No. of Winding (Primary)	Maximum Pulse Rise Time	Isolation Voltage	Insertion Loss	Inductance (Primary)	Packing Method	Minimum ET Product	Maximum DC Unbalance Current	No. of Winding (Secondary)	Sub-Category	Dimensions	Maximum Operating Temperature	Application	Minimum Operating Temperature	Height	Width	Load Resistance	Additional Features	JESD-609 Code	Minimum Operating Frequency	Length	Turns Ratio (Np:Ns)	Maximum Operating Frequency
8517	Api Technologies	TELECOM TRANSFORMER	SURFACE MOUNT																	85 Cel		-40 Cel	8.64 mm	11.58 mm		TURNS RATIO: 1CT:2.3CT; 1CT:2CT			17.15 mm
PE-65415	Pulse Electronics	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED	PE-65415	UL									TUBE					L12.7XB8.89XH6.35 (mm)	70 Cel		0 Cel	6.35 mm	8.89 mm		TURNS RATIO: 1CT:2CT			12.7 mm
B1056	Pulse Electronics	TELECOM TRANSFORMER	SURFACE MOUNT	B1056										TRAY		100 mA			17.65mm X 13.46mm X 12.32mm	85 Cel		-40 Cel	12.32 mm	13.46 mm		LENGTH DIMENSION INCLUDES TERMINAL ALSO; TURNS RATIO: 1CT:3CS			17.65 mm
PE-65389NL	Pulse Electronics	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED		UL				1		1500 V		1500 uH	TUBE			1	Other Transformers	L12.7XB8.89XH6.35 (mm)	70 Cel	SIGNAL	0 Cel	6.35 mm	8.89 mm	.9 ohm	TURNS RATIO: 1:1/1.26			12.7 mm	1:1/1.26
PE-65415NL	Pulse Electronics	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED		UL									TUBE					L12.7XB8.89XH6.35 (mm)	70 Cel		0 Cel	6.35 mm	8.89 mm		TURNS RATIO: 1CT:2CT			12.7 mm
PE-65870NL	Pulse Electronics	TELECOM TRANSFORMER	SURFACE MOUNT		UL	Matte Tin (Sn)								TUBE					L12.83XB7.11XH6.22 (mm)	70 Cel		0 Cel	6.22 mm	7.11 mm		HEIGHT DIM INCLUDES TERMINAL ALSO, TURNS RATIO: 1CT:1.15CT; 1CT:1.15CT	e3		12.83 mm
PE-68786NLT	Pulse Electronics	TELECOM TRANSFORMER	SURFACE MOUNT											TAPE & REEL					L12.83XB7.11XH6.22 (mm)	70 Cel		0 Cel	6.22 mm	7.11 mm		HEIGHT DIM INCLUDES TERMINAL ALSO, TURNS RATIO: 1CT:1.41CT; 1CT:1.41CT			12.83 mm
T6003NLT	Pulse Electronics	TELECOM TRANSFORMER	SURFACE MOUNT				600 OHMS	600 OHMS						TRAY					L13.46XB17.65XH12.32 (mm)				12.32 mm	17.65 mm		TURNS RATIO: 1:1			13.46 mm
T3001NL	Pulse Electronics	TELECOM TRANSFORMER	SURFACE MOUNT		UL	Matte Tin (Sn)								TUBE					L7.62XB7.0XH6.35 (mm)	85 Cel		-40 Cel	6.35 mm	7 mm		TURNS RATIO: 1:1, HEIGHT DIM INCLUDES TERMINAL ALSO	e3	200 KHz	7.62 mm		340000 KHz
TX1287	Pulse Electronics	TELECOM TRANSFORMER	SURFACE MOUNT	TX1287	UL				2		1500 V		1200 uH	TUBE			2	Other Transformers	12.83mm X 7.11mm X 6.22mm	85 Cel	SIGNAL	-40 Cel	6.22 mm	7.11 mm	.7 ohm	HEIGHT DIM INCLUDES TERMINAL ALSO, TURNS RATIO: 1CT:2.42CT; 1CT:2.42CT			12.83 mm	1CT:2.42CT/1CT:2.42CT
MET-31	Tamura	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED			Tin (Sn)	600 OHMS CT	600 OHMS CT												85 Cel		-20 Cel	11.8 mm	7.87 mm		TURNS RATIO : 1:1	e3	.3 KHz	10.4 mm		100 KHz
MET-42	Tamura	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED				150 OHMS													85 Cel		-20 Cel	11.8 mm	7.87 mm		TURNS RATIO: 3.54:1		.3 KHz	10.4 mm		100 KHz
MET-59	Tamura	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED				600 OHMS	600 OHMS CT								3 mA			L10.4XB7.87XH11.8 (mm)				11.8 mm	7.87 mm				.3 KHz	10.4 mm		100 KHz
TTC-02	Tamura	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED		CSA, UL		600 OHMS																12.4 mm	16.5 mm				.3 KHz	20.3 mm		3.5 KHz
TTC-105-1	Tamura	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED		CSA, UL		600 OHMS																19 mm	16 mm		TURNS RATIO: 1:1		.66 KHz	20.7 mm		3.5 KHz
TTC-5020	Tamura	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED		CSA, UL		600 OHMS																13.8 mm	22.5 mm		TURNS RATIO: 1:1		.6 KHz	23.1 mm		3.5 KHz
C2202	TE Connectivity	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED	C2202	BABT; CSA; IEC; UL														L13.97XB13.97XH12.7 (mm)				12.7 mm	13.97 mm		BREADTH DIMENSION INCLUDES TERMINAL ALSO; TURNS RATIO: 1:1			13.97 mm
LM-LP-1004L	Bourns	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED		UL		600 OHMS	600 OHMS											L17.7XB17.7XH12.6 (mm)	60 Cel		-10 Cel	12.6 mm	17.7 mm		TURNS RATIO: 1:1		.2 KHz	17.7 mm		3.5 KHz
PE-65812NL	Pulse Electronics	TELECOM TRANSFORMER	SURFACE MOUNT		UL	Tin/Silver (Sn/Ag) - hot dipped			1	25 ns	2000 V	3 dB	2500 uH	TUBE	20 V-us		1	Other Transformers	L12.06XB10.16XH8.64 (mm)	70 Cel	SIGNAL	0 Cel	8.64 mm	10.16 mm		TURNS RATIO: 1:1, HEIGHT INCLUDES TERMINAL ALSO		100 KHz	12.06 mm	1:1	55000 KHz
T1137NLT	Pulse Electronics	TELECOM TRANSFORMER	SURFACE MOUNT	T1137					2		1500 V		1200 uH	TAPE & REEL			2	Other Transformers	L12.83XB7.11XH6.22 (mm)	70 Cel	SIGNAL	0 Cel	6.22 mm	7.11 mm	.0012 ohm	HEIGHT DIM INCLUDES TERMINAL ALSO, TURNS RATIO: 1CT:2.42CT; 1CT:2.42CT			12.83 mm	1CT:2.42CT/1CT:2.42CT
TTC-5024	Tamura	TELECOM TRANSFORMER	SURFACE MOUNT		EN, UL		600 OHMS													85 Cel		-20 Cel	5.08 mm	8.5 mm		TURNS RATIO: 1:1		.2 KHz	16.3 mm		4 KHz
TTC-5027	Tamura	TELECOM TRANSFORMER	SURFACE MOUNT		EN, UL		30000 OHMS	30000 OHMS												85 Cel		-20 Cel	7.6 mm	9.6 mm		TURNS RATIO: 1:1			12.5 mm
TTC-5035	Tamura	TELECOM TRANSFORMER	SURFACE MOUNT		EN, UL		600 OHMS	346 OHMS												85 Cel		-20 Cel	7.6 mm	9.6 mm		TURNS RATIO: 1:1		.2 KHz	12.5 mm		4 KHz
TTC-5036	Tamura	TELECOM TRANSFORMER	SURFACE MOUNT		EN, UL		600 OHMS	287 OHMS												85 Cel		-20 Cel	7.6 mm	9.6 mm		TURNS RATIO: 1:1		.2 KHz	12.5 mm		4 KHz

Telecom Transformers

Telecom transformers are a type of transformer used in telecommunications equipment to isolate and match impedance between different parts of a circuit. They are commonly used in applications such as modems, routers, switches, and telephone systems.

The primary function of a telecom transformer is to isolate the AC signal from the equipment to prevent noise and interference from other components in the circuit. Telecom transformers are also used to match impedance between the input and output stages of the circuit to ensure maximum power transfer and signal integrity.

Telecom transformers are typically designed to operate at low frequencies, ranging from a few Hz to several kHz, depending on the specific application. They are designed to handle low power levels and have low losses. The design of a telecom transformer is usually optimized for a specific frequency range and bandwidth.

Telecom transformers are typically constructed with a magnetic core made of ferrite or powdered iron, and one or more coils wound around the core. The coils are usually made of copper wire with a thin insulating layer. The number of turns and the size of the wire are determined by the required impedance transformation and the frequency range of the circuit.