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  Datasheet File OCR Text:
 HIGH FREQUENCY MAGNETICS
T1/E1 Single Through Hole Shielded Transformers
TM9916
* *
Designed for DS1, DS1C, and CEPT applications Electrostatic shield provides improved longitudinal signal suppression and EMI reduction Meets IEC-695, 2-2 flammability requirements
*
Compatible with water-soluble flux, total-immersion cleaning and machine insertion Qualified per Bellcore TR-TSY-000357-1 Minimum interwinding breakdown voltage of 850 Vrms
* *
*
ELECTRICAL SPECIFICATIONS at 25 C
DCR max
Turns Ratio 2% Part Number Pri : Sec
Primary Inductance* mH min
Leakage Inductance H max Pri
Interwinding Capacitance** pF max Sec
Non-Shielded Version
2741H2
1 : 1.36CT
0.92
2.5
0.83
1.43
5
2745CA2
2741G2
1CT : 2CT
3.15
6.5
1.9
4.4
5
2745AF2
* Measured at 10 kHz, 0.1 Vac ** With terminal 1 (shield) grounded
SCHEMATICS
2741G2 2741H2
S
S 4 3 2 1 Primary Secondary 5 6 7
2
3
6 CT 4
7 Primary
1
5 Secondary
(c)1999 Bel Fuse Inc. Specifications subject to change without notice. 06.99
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com T130
HIGH FREQUENCY MAGNETICS
TM9916
T1/E1 Single Through Hole Shielded Transformers
MECHANICAL
2741G2 2741H2
0.56 [14.22] max
0.35 [8.89] max
0.110 [2.79]
0.023 [0.584] Sq typ (Phosphor bronze, solder-coated) 0.100 [2.54] centers
5
6
7
8
0.46 [11.69] max 0.250 [6.35]
4
3
2
1
Terminal 1 ID Note: Unless otherwise specified, dimensions are nominal and in inches [millimeters].
(c)1999 Bel Fuse Inc. Specifications subject to change without notice. 06.99
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 F23, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com
T131


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