2741N2 データシートの表示（PDF） - Bel Fuse Inc.
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2741N2 Datasheet PDF : 2 Pages
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HIGH FREQUENCY MAGNETICS
Specialty Through Hole Shielded Transformer
TM00104
• Operates as high frequency pulse transformer or as
high frequency analog transformer in various
telecom circuits requiring high voltage-step-up ratio
• Interwinding Electrostatic Shield provides low
capacitance and high EMI suppression
• Minimum Interwinding Breakdown Voltage of 500
Vrms
• 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
ELECTRICAL SPECIFICATIONS AT 25° C
Part Number
Turns Ratio
±2%
Secondary
Inductance1
µH Min
(4-8) : (5-7) (4-8) : (3-1)
(3-1)
DCR
Ω
max
Secondary
Leakage
Inductance1
µH max
Interwinding &
Intershield Capacitance
Inductance
Unbalance
% max
(4-8) (3-1)
(3-1)
pF
max2
pF
max3
pF
max4
(3-2)(2-1)
2741N2
1 : 3.0
1 : 3.17
660
0.78
2.4
3.0
4
15
20
0.2
1. measured at 100 kHz, 0.03 Vac
2. between (3-1) and (4-8) with 6 grounded
3. between (3-1) and 6 with (4-8) grounded
4. between (4-8) and 6 with (3-1) grounded
SCHEMATIC
2741N2
S
4
3
5
2
7
8
1
6
1 : 3.0
1 : 3.17
©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
T1-9
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