E1/T1/ PRI/CEPT Dual SMD Transformer Modules
Features
• controlled parameters ensure full compliance with
ITU-T G.703 when matched with recommended IC
• 1500 Vrms minimum isolation voltage
• 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
• extended operating temperature: -4 0° to +85°C
• fully RoHS compliant and meets lead free reflow
level J-STD-020C
Electrical Specifications @ 25°C
Dual Module w ith both Transmit and Receive Transformers
Part
Number
Turns Ratio
±2%
1:2
0.395:1
1.58:1
Pins
(12-10:1-3) & (4-6:9-7)
12-11:1-3
9-8:4-6
OCL
Pins
1.2mH Min.
(10-12)
(9-7)
L
L
(µH max)
C
W/W
(pF max)
DCR
(Ohms max)
0.50
0.85
0.30
Pins
(12-10) & (9-7)
(1-3)
(4-6)
V
P
Vrms
82219
0.6
0.8
40
40
1500
Test Conditions:
I
nductance (OCL): Windings 9-7 = 12-10 = 1.2mH Min. @ 10kHz, 100mV
Leakage (L
L
): Windings 10-12 = 0.6µH Max. @ 100kHz, 10mV
Windings 9-7 = 0.8µH Max. @ 100kHz, 10mV
Turns Ratio: Windings 12-10:1-3 = 1:2 ±2%
12-11:1-3 = 0.395:1 ±2%
9-7:4-6 = 2:1 ±2%
9-8:4-6 = 1:1.583 ±2%
Winding Capacitance (C
W/W
): Windings 12-11:1-3 and 9-8:4-6 = 40pF Max. @ 100kHz, 100mV
Resistance (DCR): Windings 9-7 = 12-10 = 0.50 Ohms Max.
4-6 = 0.30 Ohms Max.
1-3 = 0.85 Ohms Max.
Dielectric Strength (V
P
): Winding to winding = 1.5kVrms
Package
TALEMA IN
WK/YR
Part Number
0.020
(0.50)
0.5.00
(12.70)
0.669
(17.00)
0.236 0.189
(6.00) (4.80)
Suggested
Pad Layout
0.050
(1.27)
1
Schematic
0.598
0.472
(15.20) (13.00)
12
11
3
4
10
9
8
0° - 8°
0.085
(2.15)
0.640
(16.25)
6
7
0.118
(3.00)
0.500
(12.70)
Surface Coplanarity will be 0.004(0.10) maximum
Dimensions: Inches (Millimeters)
Tolerance: ±0.010 (0.25) unless specified otherwise
Germany: Int.+49 89 - 841 00-0 • Ireland: Int.+35 374 - 954 8666 • Czech Rep: Int.+420 377 - 338 377 • India: Int.+91 427 - 244 1325
http://www.talema-nuvotem.com
(10-06) Communications\ E1/T1\82219
TALEMA [ NUVOTEM TALEMA ]
