THROUGH HOLE MOUNTED Telecom Transformers 30

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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
LM-NP-1001-B1L	Bourns	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED		UL	MATTE TIN	600 OHMS	600 OHMS	1			1.5 dB	2800000 uH				1		L17.7XB17.7XH12.6 (mm)	60 Cel	SIGNAL	-10 Cel	12.6 mm	17.7 mm	66 ohm	TURNS RATIO: 1:1	e3	.2 KHz	17.7 mm	1:1	3.5 KHz
PE-65612NL	Pulse Electronics	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED						1	25 ns	2000 V		2500 uH	TUBE	20 V-us		1		L12.70XB8.89XH6.35 (mm)	70 Cel	SIGNAL	0 Cel	6.35 mm	8.89 mm		TURNS RATIO: 1:1, HEIGHT INCLUDES TERMINAL ALSO		100 KHz	12.7 mm	1:1	55000 KHz
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
50503	Wurth Elektronik	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED	50503	IEC; UL		135 OHMS	40.2 OHMS											L13.97XB13.97XH12.7 (mm)	85 Cel		-40 Cel	12.7 mm	13.97 mm		COMPATIBLE WITH SK70704/SK70706 CHIP SET; TURNS RATIO: 1.8:1			13.97 mm
MET-32	Tamura	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED				600 OHMS													85 Cel		-20 Cel	11.8 mm	7.87 mm				.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
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
T-1281	Rhombus Industries	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED	T-1281																						DATA COUPLING
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
MET-46	Tamura	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED				600 OHMS									3 mA			L10.4XB7.87XH11.8 (mm)				11.8 mm	7.87 mm					10.4 mm
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
P1200	Etal Group Ab	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED		CSA; IEC; UL		600 OHMS	600 OHMS								.1 mA				70 Cel		0 Cel	12.6 mm	18 mm				.05 KHz	18 mm		10 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
TTPC-13	Stancor Products	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED				600 OHMS	600 OHMS CT SPLIT								90 mA				105 Cel			15.88 mm	19.05 mm				.3 KHz	20.7 mm		3.5 KHz
51481	Wurth Elektronik	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED	51481	IEC		100 OHMS												L13.97XB13.97XH12.7 (mm)	85 Cel		-40 Cel	12.7 mm	13.97 mm		COMPATIBLE WITH EAGLE; EAGLE-II; AD6488; AD6485 CHIP SETS			13.97 mm
750510476	Wurth Elektronik	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED		CSA, EN, IEC, UL															125 Cel		-40 Cel	10.16 mm	13.72 mm		TURNS RATIO: 1.307:1			19.8 mm
LM-LP-1005L	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
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
PE-65351NL	Pulse Electronics	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED		UL				1		1500 V		1200 uH	TUBE			1	Other Transformers	L12.7XB8.89XH6.35 (mm)	70 Cel	SIGNAL	0 Cel	6.35 mm	8.89 mm	1.3 ohm	TURNS RATIO: 1:2CT			12.7 mm	1:2
TTPC-2	Stancor Products	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED				600 OHMS	600 OHMS								0 mA				105 Cel			12.45 mm	16.51 mm				.3 KHz	19.84 mm		3.5 KHz
TTPC-8	Stancor Products	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED				600 OHMS CT	600 OHMS CT											L19.84XB16.51XH18.8 (mm)	105 Cel			18.8 mm	16.51 mm				.3 KHz	19.84 mm		3.5 KHz
EMIT-1200L	Sumida	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED	MT	UL; BABT		600 OHMS	560 OHMS											18.3mm X 18.3mm X 12.6mm				12.6 mm	18.3 mm					18.3 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
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
TTPC-6	Stancor Products	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED				600 OHMS	600 OHMS CT								90 mA				105 Cel			19.05 mm	16.51 mm				.3 KHz	20.7 mm		3.5 KHz
AS7787-A	Coilcraft	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED	AS7787-A	UL														13.97mm X 13.97mm X 12.7mm	85 Cel		-40 Cel	12.7 mm	13.97 mm		DESIGNED TO USE WITH ANLG DVC AD20MSP910/918 CO/CPE, TURNS RATIO: 1:1			13.97 mm
LM-LP-1001L	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
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-NP-1003L	Bourns	TELECOM TRANSFORMER	THROUGH HOLE MOUNTED		UL		600 OHMS	600 OHMS	1			1.5 dB	2800000 uH				2	Other Transformers	L17.7XB17.7XH12.6 (mm)	60 Cel	SIGNAL	-10 Cel	12.6 mm	17.7 mm	66 ohm	TURNS RATIO: 1:1		.2 KHz	17.7 mm	1:1	3.5 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.