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  Datasheet File OCR Text:
 HIGH FREQUENCY MAGNETICS
T1/E1 Through Hole Hardened Transformer
* Operates at the T1 rate of 1.544 Mb/s and the E1 rate of 2.048 Mb/s Winding (4-1) is hardened to handle a 6A surge current for 1 second Winding (4-1) is designed to handle simplex-feed remote powering current Maximum inductance unbalance of center-tapped winding is 0.1% * * * * 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
TM00126
*
*
*
ELECTRICAL SPECIFICATIONS AT 25 C
DCR max Leakage Inductance2 H max Interwinding Capacitance pF max
Turns Ratio 2% Part Number (6-7) : (4-1)3
Inductance1 mH Min
(6-7)
(6-7)
(4-1)3
(6-7)
between (6-7) and (4-2)(3-1)
Minimum Interwinding Breakdown Voltage Vrms
2741F2
1 : 1 CT
1.1
0.72
0.45
3.5
18
850
1. measured at 10 Hz, 0.1 Vac 2. measured at 100 kHz, 0.1 Vac 3. connect 2 & 3
SCHEMATIC
2741F2
6
4
2 CT 3 7 1:1 1
(c)2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com T1-59
HIGH FREQUENCY MAGNETICS
TM00126
T1/E1 Through Hole Hardened Transformer
MECHANICAL
2741F2
0.56 (14.22) MAX 0.46 (11.68) MAX
TERMINAL 1 IDENTIFIER
0.35 (8.89) MAX
0.110 (2.79) 0.010 (0.25)
0.100 (2.54)
0.023 (0.584) SQ TYP (PHOSPHOR BRONZE, SOLDER COATED)
1234 0.250 (6.35) 876 5
Unless otherwise specified, dimensions are nominal and in inches (millimeters).
(c)2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00
CORPORATE
Bel Fuse Inc. 198 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
FAR EAST
Bel Fuse Ltd. 8F / 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com
EUROPE
Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com
T1-60


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