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2664AL Datasheet PDF - Bel

Part Number 2664AL
Description HIGH FREQUENCY MAGNETICS
Manufacturers Bel 
Logo Bel Logo 



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2664AL datasheet, circuit
HIGH FREQUENCY MAGNETICS
T1/E1 Single Through Hole Transformers
TM00112
• Designed for 3.3 volt T1/E1 line-interface applica-
tions requiring low leakage inductance
• Initial applications: Lucent T7633, T7693 and T7697
• Minimum interwinding breakdown voltage of
1500 Vrms
ELECTRICAL SPECIFICATIONS at 25° C
• Operating Temperature Range: -40° C to +85° 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
Part Number
Turns Ratio
± 2%
Pri : Sec1
Primary
Inductance2
µH min
Leakage
Inductance2
µH max
(1 - 8)
DCR
max
(3 - 6)
(4 - 5)
Interwinding
Capacitance1
pF typ
2664AK
1 : 1.91 CT
780
0.50 0.7 0.7 0.6
20
2664AL
1 : 2.1 CT
780
0.55 0.9 1.0 1.0
20
2664AJ
1 : 2.43 CT
1. (4 - 6) Connect 3 and 5
2. Measured at 100 kHz, 0.5 Vac
970
0.45 1.4 1.8 1.6
20
SCHEMATIC
2664AJ
2664AK
2664AL
8
1
Primary
6
3
CT
5
4
Secondary
©2000 Bel Fuse Inc. Specifications subject to change without notice. 04.00
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
T1-31

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Part NumberDescriptionManufacturers
2664AJThe function is HIGH FREQUENCY MAGNETICS.Bel
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2664AKThe function is HIGH FREQUENCY MAGNETICS.Bel
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2664ALThe function is HIGH FREQUENCY MAGNETICS.Bel
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