鈥?/div>
Operating temperature range: -40擄 C to +85擄 C
Meets IEC 695, 2-2 flammability requirements
PWB Process Capability: standard printed wiring board
assembly techniques, total-immersion cleaning
Reliability testing: Shock, vibration, temperature cycling,
temperature - humidity - bias
TM00121
鈥?/div>
鈥?/div>
鈥?/div>
ELECTRICAL SPECIFICATIONS at 25擄 C
Turns Ratio
鹵 2%
Part Number
Pri : Sec
2745AJ
2745AJ2
2745CA
2745CA2
1 : 1.07 CT
1 : 1.07 CT
1 : 1.36 CT
1 : 1.36 CT
1.0
1.0
0.92
0.92
0.8
0.8
0.7
0.7
DCR
鈩?/div>
max
Pri
0.50
0.50
0.85
0.85
Sec
1.00
1.00
1.2
1.2
N/A
N/A
20
20
850
850
1000
1000
___
___
2741H2
2741H2
Interwinding
Breakdown
Voltage
Vrms min
Primary
Inductance*
mH min
Leakage
Inductance
碌
H max
Interwinding
Capacitance
pFmax
Shielded
Version
* Measured at 10 kHz, 0.1 Vac
SCHEMATICS
Lucent IC
Part Number
Receive
Application
Bel Part Number
T7288
T7289A
T7290A
T1 / CEPT 75 / CEPT 120
DS1
T7630
CEPT 75.1
CEPT 75.2 / CEPT 120
CEPT 75.1
T7688
CEPT 75.2 / CEPT 120
T7689
DS1
DS1
T7690
T7698
CEPT 75.1
CEPT 75.2 / CEPT 120
2745CA2
2745G3
2745G3
2745AJ2
2745CA2
2745CA2
2745G3
2745G3
2745AF2
2745G3
2745AJ2
2745CA2
2745AJ2
2745CA2
2745G3
2745AJ2
2745CA2
2745AJ2
CEPT 75 / CEPT 120
DS1
DS1
2745AF2
2745AF2
2745AF2
Bel Part Number
2745CA2
2745G3
Transmit
2745AJ
2745AJ2
3
4
5
2745AJ2
1
Primary
6
Secondary
2745CA
2745CA2
3
4
2
1
6
Secondary
2745AJ2
2745CA2
Primary
漏2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302 鈥?Tel 201-432-0463 鈥?Fax 201-432-9542 鈥?www.belfuse.com
T1-47
1
2
