2745AJ2 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS T1/E1 Single Through Hole Transformers

HIGH FREQUENCY MAGNETICS
T1/E1 Single Through Hole Transformers
TM9913
• Operate as pulse transformers at DS1 and CEPT rates • Compatible with water-soluble flux, total-immersion
cleaning and machine insertion
• Perform impedance matching and voltage transformation
for line transceivers
• Meets IEC-695, 2-2 flammability requirements
• Qualified per Bellcore TR-TSY-000357-1
ELECTRICAL SPECIFICATIONS at 25° C
Part Number
Turns Ratio
± 2%
Pri : Sec
Primary
Inductance*
mH min
Leakage
Inductance
µH max
DCR
Ω
max
Pri
Sec
Interwinding
Capacitance
pFmax
Interwinding
Breakdown
Voltage
Vrms min
Shielded
Version
2745AJ2
1 : 1.07 CT
1.0
2745G3
1 : 1.14 CT
1.75
2745CA2
1 : 1.36 CT
0.92
2745AF2
1 CT : 2 CT
3.15
* Measured at 10 kHz, 0.1 Vac
0.8
0.50
1.00
N/A
1.3
0.95
1.10
80
0.7
0.85
1.2
20
3.0
1.55
3.15
23
850
1000
1000
1000
___
2745AK2
2741H2
2741G2
Lucent IC
Part Number
Application
Receive
Transmit
Bel Part Number Bel Part Number
T7288
T7289A
T7290A
T7630
T7688
T7689
T7690
T7698
CEPT 75 / CEPT 120
DS1
DS1
T1 / CEPT 75 / CEPT 120
DS1
CEPT 75.1
CEPT 75.2 / CEPT 120
CEPT 75.1
CEPT 75.2 / CEPT 120
DS1
DS1
CEPT 75.1
CEPT 75.2 / CEPT 120
2745AF2
2745AF2
2745AF2
2745AF2
2745G3
2745AJ2
2745CA2
2745AJ2
2745CA2
2745G3
2745G3
2745AJ2
2745CA2
2745CA2
2745G3
2745AJ2
2745CA2
2745G3
2745AJ2
2745CA2
2745AJ2
2745CA2
2745G3
2745G3
2745AJ2
2745CA2
©1999 Bel Fuse Inc. Specifications subject to change without notice. 06.99
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
T124