MJE Series • T1/E1/CEPT/ISDN-PRI SMD Transformers
Features
• low cost SMD for pick and place compatability while providing
consistent and reliable coplanarity
• low leakage inductance
• manufactured in an ISO-9001:2000, TS-16949:2002
and ISO-14001:2004 certified Talema facility
• fully RoHS compliant and meets lead free reflow
level J-STD-020C
Electrical Specifications
Ratings@ 25°C ambient
Minimum isolation voltage: 1500 Vrms
Extended Operating Temperature Range: -40° to +85°C
Electrical Specifications @ 25°C
MJE Series • T1/E1/CEPT/ISDN-PRI SMD Transformers
Extended Operating Temperature Range -40°C to +85°C
Part
Number
MJE-10A
MJE-12B
MJE-20A
OCL
Primary
(mH Min)
1.2
1.2
1.2
Turns Ratio
Pri/Sec
±2%
1ct:1.36ct
1:1/1.26
1ct:1ct
C
WW
Pri/Sec
(pF Max)
30
35
35
L
L
(µH Max)
0.200
0.250
0.200
DCR (Ohms)
Pri.
0.80
0.80
0.90
S ec.
1.10
1.00
0.90
V
P
(Vrms)
1500
1500
1500
Primary
Pins
1-3
1-3
1-3
Schematic
A
B
A
MJE
TALEMA IN
WK/YR
Part
Number
Suggested Pad
Layout
0.200
(5.08)
1
0.100
(2.54)
0.047
(1.20)
2
3
Schematic
A
6
5
4
3
1
0.453 0.374
(11.50) (9.50)
B
6
5
4
0.307
(7.80)
0.283 0.244
(7.20) (6.20)
0.020 x 0.12
(0.50 x 0.30)
Surface coplanarity will be 0.004 (0.01) maximum
Dimensions: Inches (Millimeters)
Tolerance: ±0.010 (0.25) unless specified otherwise
Sales & Marketing, Design and Manufacturing Facilities
http://www.talema-nuvotem.com
0° - 8°
0.492 0.287
(12.50) (7.30)
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\MJE