E1/T1/PRI/CEPT Single Interface Transformers
Features
• industry standard through-hole footprint
• controlled parameters ensure full compliance with
ITU-T G.703 when matched with recommended IC
• ideal for all 1.544 and 2.048 Mbs interface applications
• manufactured in an ISO-9001:2000, TS-16949:2002
and ISO-14001:2004 certified Talema facility
• 1500Vrms minimum isolation voltage
• operating temperature : -40° to 85°C
• fully RoHS compliant
Electrical Specifications @ 25°C
S
2M
Interface Transformers
Part
Number
19649
Turns Ratio
±2%
1 : 1 : 0.666 : 1 : 1
OCL (mH Min.)
W1+W2+W3
in Series
5,0
L
L
(µH Max.)
1,0
DCR
(mOhms Max.)
W1=W2=W4=W5
165
DCR
(mOhms Max.)
W3
120
V
P
(Vrms)
1500
Schematic
A
Test Conditions:
Inductance:
Leakage Inductance:
Turns Ratio:
High Voltage:
Windings 1 + 2 +3 in series - measurement at 10kHz, 100mV
Windings 1 + 3 +5 in series, windings 2 + 4 short circuited - measurement at 100kHz, 100mV
10kHz, 100mV
2.0kV for 2 seconds, winding to winding
Dimensions & Schematics
0.354
(9.00)
0.300
(7.62)
5
6
0.571
(14.50)
0.059
(1.50)
Schematic “A”
0.138
(3.50)
1
2
3
4
5
0.551 0.400 0.200
(14.00) (10.16) (5.08)
1
10
W1
0.018 x 0.026
(0.45 x 0.66)
W2
W3
W4
W5
Dimensions: Inches (Millimeters)
Tolerance: ±0.010 (0.25) unless specified otherwise
Units will be supplied in tubes
Weight: 3.7grams
10
1
:
9
1
:
8
0.666
:
7
1
:
6
1
Sales & Marketing, Design and Manufacturing Facilities
http://www.talema-nuvotem.com
Eastern Europe &
Czech Republic
NT MAGNETICS s.r.o.
Chebská 27
322 00 Plzeñ
Tel: Int. + 420 377 - 338 351
Fax: Int. + 420 377 - 338 350
Email: talema@talema.cz
Web Site: www.ntmagnetics.cz
Germany
TALEMA ELEKTRONIK GMBH
Sembdnerstr. 5, Postfach 2523
82110 Germering
Tel: Int. + 49 89 - 841 00 - 0
Fax: Int. + 49 89 - 841 00 25
Email: info@talema.de
Ireland
NUVOTEM TEO.
Crolly
Co. Donegal
Tel: Int. + 353 74 - 954 8666
Fax: Int. + 353 74 - 954 8139
Email: info@nuvotem.com
India
TALEMA ELECTRONIC PVT. LTD.
Opposite the SIDCO Industrial Estate
Gins Towers
4/5S.H/1, Omalur Main Road
Salem - 636 004, Tamil Nadu
Tel: Int. + 91 427 - 244 1325
Fax: Int. + 91 427 - 243 0034
E-mail: talema@talemaindia.com
Web Site: www.talemaindia.com
THE TALEMA GROUP • Magnetic Components for ISDN / xDSL / LAN Data Communications
(10-06) Communications\ E1/T1\19649
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