T1/E1/CEPT/ISDN-Pri TRANSFORMER
E & E Magnetic Products Limited
Single, SMT, Extended Temperature Range
Compact surface mount package
G.703
S
CHEMATICS
Designed to meet Return Loss requirements of ITU
Extended temperature range of -40°C to +85°C
Isolation voltage: 1500Vrms minimum
E
LECTRICAL
S
PECIFICATION @25°C
Part
Number
821-00768F
821-00868F
821-00869F
821-00870F
821-01672F
Turns Ratio
(Pri: Sec
±2%)
1.26CT:1
1CT:1
1.14CT:1
1.35CT:1
1CT:1
OCL
Primary@25°C
(mH Min)
1.2
2.0
2.2
2.0
1.2
LL
(uH Max)
1.0
1.2
1.4
1.4
1.2
Cww
(pF Max)
50
65
65
65
35
DCR
Primary
(
W
Max)
2.5
2.7
2.8
2.7
2.7
DCR
Secondary
(
W
Max)
2.0
2.7
2.8
2.0
2.7
Isolation
Voltage
(Vrms Min)
1500
1500
1500
1500
1500
Notes:
1
. Ordering Information: 821-0xxxxFc.
821-0xxxxF
c
= Part number (F : stands for RoHS compliant).
= Packaging Code (T = Tape & Reel Packaging in 13 inch Reel).
2. Inductance is measured at 10kHz, 0.1Vrms.
1/F., Harbour View 1, No.12 Science Park East Avenue, Phase II, Hong Kong Science Park, Shatin, N.T. Hong Kong
Tel: (852) 2954 3333
Fax: (852) 2954 3304
1
TE003(02)
Revised in 11/12
T1/E1/CEPT/ISDN-Pri TRANSFORMER
E & E Magnetic Products Limited
Single, SMT, Extended Temperature Range
M
ECHANICAL
D
IMENSIONS
.146
3.71
.060
1.52
.073
1.85
.220±
.010
5.59±
0.25
.305±
.010
7.75±
0.25
EExxxxF
(DATE)
.345
8.76
Recommended
Pad Layout
.040
1.02
.230±
.010
5.84±
0.25
.200±
.010
5.08±
0.25
REFERENCE OR
GAUGE PLANE
.073±
.005
1.85±
0.13
.146±
.005
3.70±
0.13
.030±
.010
0.76±
0.25
0-8°
Notes: 3. All dimensions are specified in inches with higher precedence in inches.
mm
4.
Unless otherwise specified, all tolerances are
±
.010
.
0.25
Weight (in gram)
Tape & Reel
:
:
0.38 typ.
800 / reel
S
CHEMATICS
1.55
0.50
P
ACKAGING
USER DIRECTION OF UNREELING
2.00
4.00
1.75
1
6
8.20
EExxxxF
(DATE)
7.50
16.00
Primary
2
3
Secondary
4
5.60
12.00
6.30
FOR MORE INFORMATION, PLEASE CONTACT
HEADQUARTER
1/F., Harbour View 1, No.12 Science Park East Avenue,
Phase II, Hong Kong Science Park, Shatin, N.T.
Hong Kong
Tel: (852) 2954 3333 Fax: (852) 2954 3304
Email: eempl@eleceltek.com
Website: http://www.eleceltek.com / www.eemagnetic.com
Information herein is for reference only and subject to change without notice. It does not constitute any representation, warranty or commitment of the company in respect
of the products in any aspect. All logos, brands and product names mentioned herein are trademarks or registered trademarks of their respective owners. The company
does not assume any liability arising out of the application or use of any product or circuit described herein. Copyrights 2009, E & E Magnetic Products Limited.
1/F., Harbour View 1, No.12 Science Park East Avenue, Phase II, Hong Kong Science Park, Shatin, N.T. Hong Kong
Tel: (852) 2954 3333
Fax: (852) 2954 3304
2
TE003(02)
Revised in 11/12
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