High Isolation Multi-Purpose Audio Transformers
Ideal for a variety of Voice and Data interconnect network applications
Schematic "A"
1
PRI
) 3000 VRMS minimum Isolation ) Longitudinal Balance is 60dB minimum ) Frequency range: 300Hz to 3400Hz ) Designed to meet FCC part 68 ) Materials used in construction of this
component meet or exceed UL Class B and can operate up to 130 oC
Schematic "B"
6
1
PRI
Schematic "C"
6
1
PRI SEC.
6 5 4
SEC.
SEC.
5 3 4
2 3
3
4
Dry / High Performance
Part Number T-30700 T-30701 T-30702 T-30703 T-30704 Impedance (Ohms) 600 / 600 600 / 600CT 600CT / 600CT 600 / 900 900 / 900
Electrical Specifications at 25OC UNBAL. Insertion Frequency DC Loss (1) Response (mA) (dB) (dB) 0.0 0.0 0.0 0.0 0.0 1.5 1.5 1.5 1.5 1.5 0.3 0.3 0.3 0.5 0.5
Return Loss (2) (dB) 20 20 20 20 20
Pri. DCR max. (Ω) 45 45 45 45 55
Sec. DCR max. (Ω) 45 45 45 55 55
Schem. Style A B C A A
Dry / Economy
Part Number T-30750 T-30751 T-30752 T-30753 T-30754 Impedance (Ohms) 600 / 600 600 / 600CT 600CT / 600CT 600 / 900 900 / 900
Electrical Specifications at 25OC UNBAL. Insertion Frequency DC Loss (1) Response (mA) (dB) (dB) 0.0 0.0 0.0 0.0 0.0 1.7 1.7 1.7 1.7 1.7 0.5 0.5 0.5 0.7 0.7
Return Loss (2) (dB) 20 20 20 20 20
Pri. DCR max. (Ω) 45 45 45 45 55
Sec. DCR max. (Ω) 45 45 45 55 55
Schem. Style A B C A A
1. Insertion Loss measured at 1 KHz 2. Return Loss measured at 300 Hz
.650 (16.51)
.650 (16.51)
.475 (12.07) MAX.
Dimensions in Inches (mm) Unused Pins Omitted as Per Schematic
.025 (0.64) TYP.
1 2 3
.148 (3.75) TYP.
.492 (12.50)
Bottom View
6
5
4
EE16 - 10/98
Specifications subject to change without notice.
For other values & Custom Designs, contact factory.
Rhombus Industries Inc.
10
15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971
