Modem Transformers / Data Sheets (TTC)

Modem Transformers

Main Applications

Modem Transformers / Data Sheets (TTC)
Voice / Modem Line Transformers

V.29, V.32, V.34, V.90, & V.92 Applications
Highest Density Package Available
Approved to UL1950 3rd Edition
Approved to UL60950 & EN60950
Surface Mount
Vacuum Encapsulated
Pri:Sec Hi-Pot=1500Vrms and Higher
Surge Voltage

Electrical Specification @ Ta=25°C

Part #	Impedance PRI:SEC (Ω)	Insertion Loss (dB MAX)	Total Harmonic Distortion (dB Typ)	Long Balance (dB MIN)	Return Loss @ 1KHz (dB Typ)
TTC-5023¹	600:600	2.0	-79	80	16
TTC-5024	600:330	3.0	-85	80	27
TTC-5025	600:430	3.5	-79	80	20
TTC-5032	600:470	2.5	-79	80	27
TTC-5035	600:346	3.0	-84	80	27
TTC-5036	600:287	4.0	-90	80	27
TTC-5037	600:560	2.0	-77	80	23

¹3000 Vrms Pri:Sec Hi-Pot

High Impedance Applications

Part #	Impedance PRI:SEC (Ω)	Inductance Lp @ 200Hz 10mVrms (H MIN)	Shunt Loss Rp @ 200Hz 10mVrms (Ω MIN)
TTC-5027	30k:30k	30.0	110
TTC-5033	10k:10k	6.5	22
TTC-5034	20k:20k	18.0	60

Voice / Modem Line Transformers

V.29, V.32, V.34, Applications
Approved to UL1950 3rd Edition
Approved to UL60950 & EN60950
Hi-Pot 1500Vrms Pri:Sec

Electrical Specification @ Ta=25°C_{*Red letters indicates DISCONTINUED PARTS}

Part #	Impedance PRI:SEC (Ω)	DC Unbalance (mA)	Insertion Loss (dB MAX)	Total Harmonic Distortion (dB Typ)	Long Balance (dB MIN)	Return Loss @ 1KHz (dB Typ)	Mounting
TTC-5019	600:260	50	4.0	-60	60	_	THD
TTC-5020	600:301	65	3.75	-50	60	_	THD
TTC-5028	600:470	100	2.5	-50	60	_	THD
TTC-5010	600:301	65	3.75	-50	60	_	THD(CASE)
TTC-264M¹	600:470	100	2.5	-50	60	_	THD(CASE)

¹3000 Vrms Pri:Sec Hi-Pot

High Speed Modem Transformers

V.90, V.92, Applications
Optimized for High Speed Modem Applications
Frequency Range 300Hz to 4kHz
1500 Vrms Hi-Pot (Pri:Sec)
Approved to UL1950 3rd Edition
PCMCIA Packages
Approved to UL60950 & EN60950

Electrical Specification @ Ta=25°C_{*Red letters indicates DISCONTINUED PARTS}

Part #	Impedance PRI:SEC (Ω)	DC Unbalance (mA)	Insertion Loss (dB MAX)	Total Harmonic Distortion (dB Typ)	Long Balance (dB MIN)	Return Loss @ 1KHz (dB Typ)	Mounting
TTC-5014	600:348	0	3.25	-88	60	30	THD
TTC-5015	600:442	0	2.0	-85	60	35	THD
TTC-5016	600:560	0	1.5	-82	60	23	THD
TTC-5017	600:600	0	1.5	-82	60	23	THD
TTC-5029	600:600	0	1.0	-88	60	25	THD
TTC-511	600:287	0	3.85	-82	60	35	SMD
TTC-512	600:510	0	1.50	-75	60	30	SMD
TTC-5021	600:287	0	3.85	-82	60	33	SMD
TTC-5000	600:301	0	3.25	-92	60	26	THD
TTC-5001	600:301	0	3.25	-92	60	26	THD(CASE)
TTC-5013	600:301	65	4.00	-89	60	15	THD
TTC-5003	600:320	0	3.20	-92	60	29	SMD
TTC-5006	600:374	0	2.5	-90	60	29	THD(CASE)
TTC-5008	600:374	0	2.5	-90	60	29	THD
TTC-5022	600:374	0	2.3	-89	60	30	THD
TTC-5004	600:392	0	2.2	-89	60	33	SMD
TTC-5026	600:490	0	1.5	-80	60	28	SMD
TTC-5005	600:525	0	1.6	-86	60	27	SMD
TTC-5007¹	600:530	0	1.0	-83	60	32	THD(CASE)
TTC-5009	600:530	0	1.0	-83	60	32	THD
TTC-5012¹	600:600	0	1.0	-76	60	31	THD(CASE)
TTC-5018	600:600	0	1.0	-76	60	31	THD