Miniature matching transformer for low-frequency circuits with tubes and semiconductor devices within equipment of various purpose
Transformers match signal source internal resistance to input resistance of amplification stages with frequency range 100..10000 Hz. Allowed variation of frequency response not more than 3 dB, non-linear distortion factor not more than 3%
Climate versions: moderate, tropical, frigid
Ambient air temperature: -60..+125 oC
Relative humidity at +35 oС 98%
Operational conditions
Ambient air temperature, oC elevated operational elevated maximum, considering coil overheat diminished operational diminished minimum diminished during transportation | +85 +125 -40 -60 -60 +55 |
Coil overheat, not more than, oC | -60..+100 |
Relative humidity at +40 oС | 98% |
Air pressure, kPa (mmHg) diminished operational diminished minimum elevated operational | 53.3 (400) 0,67 (5) 297 (3 kgf/cm2) |
Vibratory loads frequency, Hz acceleration, not more than, m/s2 (g) | 5..2500 294.3 (30) |
Multiple impacts duration, ms acceleration, not more than, m/s2 (g) | 1..3 1472 (150) |
Single impacts duration, ms acceleration, not more than, m/s2 (g) | 0.2..1 9810 (1000) |
Linear acceleration, not more than, m/s2 (g) | 981 (100) |
Acoustic noise frequency, Hz sound pressure, not more than, dB | 50..10000 150 |
Dew, frost, fog, continuous radiation |
Supplementary parameters
Frequency range, Hz | 100..10000 |
Frequency response variation (near frequency limits), not more than, dB | 3 |
Non-linear distortion factor (at 300..10000 Hz), not more than, | 3% |
Coil insulation strength, V | 400 |
Efficiency, not less than | 0.82 |
Insulation resistance between coils, between coils and core, not less than, MOhm | 1000 |
Maximum transformation ratio offset | ±5% |
Lifetime (in normal conditions and at rated loads), not less than, h | 10000 |
Transformer power, W PCB mounting version Wire mounting version | 0.5..6 25 |
Shelf life (95%), not less than, years | 10 |
Warranty, h | 5000 |
Electromagnetic parameters
Version | Rated power, VA | Resistance, Ohm | Coil resistance (for DC current) at +20 oC, Ohm | Primary coil voltage, V | Primary coil inductance, H | Transformer ratio | Biasing current, mA | |||
input | output | primary | secondary | effective | measured | |||||
T0.5-1 | 0.5 | 141 | 9 | 14x2 | 1.7x2 | 10 | 0.1 | 0.11 | 0.28 | 13 |
T0.5-2 | 17.5 | 3x2 | 0.4 | |||||||
T0.5-3 | 35 | 6x2 | 0.56 | |||||||
T0.5-4 | 70.5 | 11x2 | 0.79 | |||||||
T0.5-5 | 282 | 9 | 29x2 | 1.7x2 | 15 | 0.22 | 0.2 | 9 | ||
T0.5-6 | 17.5 | 3x2 | 0.28 | |||||||
T0.5-7 | 35 | 6x2 | 0.4 | |||||||
T0.5-8 | 70.5 | 11x2 | 0.56 | |||||||
T0.5-9 | 141 | 23x2 | 0.79 | |||||||
T0.5-10 | 564 | 9 | 56x2 | 1.7x2 | 21 | 0.25 | 0.42 | 0.14 | 6 | |
T0.5-11 | 17.5 | 3x2 | 0.2 | |||||||
T0.5-12 | 35 | 6x2 | 0.28 | |||||||
T0.5-13 | 70.5 | 11x2 | 0.4 | |||||||
T0.5-14 | 141 | 23x2 | 0.56 | |||||||
T0.5-15 | 282 | 45x2 | 0.79 | |||||||
T0.5-16 | 1128 | 9 | 102x2 | 1.7x2 | 30 | 0.25 | 0.9 | 0.1 | 4.4 | |
T0.5-17 | 17.5 | 3x2 | 0.14 | |||||||
T0.5-18 | 35 | 6x2 | 0.2 | |||||||
T0.5-19 | 70.5 | 11x2 | 0.28 | |||||||
T0.5-20 | 141 | 23x2 | 0.4 | |||||||
T0.5-21 | 282 | 45x2 | 0.56 | |||||||
T0.5-22 | 564 | 90x2 | 0.79 | |||||||
T0.5-23 | 2256 | 9 | 250x2 | 1.7x2 | 42 | 0.5 | 1.8 | 0.07 | 3 | |
T0.5-24 | 17.5 | 3x2 | 0.1 | |||||||
T0.5-25 | 35 | 6x2 | 0.14 | |||||||
T0.5-26 | 70.5 | 11x2 | 0.2 | |||||||
T0.5-27 | 141 | 23x2 | 0.28 | |||||||
T0.5-28 | 282 | 45x2 | 0.4 | |||||||
T0.5-29 | 564 | 90x2 | 0.56 | |||||||
T0.5-30 | 1128 | 220x2 | 0.79 | |||||||
T0.5-31 | 4512 | 9 | 520x2 | 1.7x2 | 60 | 3.6 | 0.05 | 2 | ||
T0.5-32 | 17.5 | 3x2 | 0.07 | |||||||
T0.5-33 | 35 | 6x2 | 0.1 | |||||||
T0.5-34 | 70.5 | 11x2 | 0.14 | |||||||
T0.5-35 | 141 | 23x2 | 0.2 | |||||||
T0.5-36 | 282 | 45x2 | 0.28 | |||||||
T0.5-37 | 564 | 90x2 | 0.4 | |||||||
T0.5-38 | 1128 | 220x2 | 0.56 | |||||||
T0.5-39 | 2256 | 510x2 | 0.79 | |||||||
T0.5-40 | 9024 | 9 | 1150x2 | 1.7x2 | 84 | 1 | 7.2 | 0.035 | 1.6 | |
T0.5-41 | 17.5 | 3x2 | 0.05 | |||||||
T0.5-42 | 35 | 6x2 | 0.07 | |||||||
T0.5-43 | 70.5 | 11x2 | 0.1 | |||||||
T0.5-44 | 141 | 23x2 | 0.14 | |||||||
T0.5-45 | 282 | 45x2 | 0.2 | |||||||
T0.5-46 | 564 | 90x2 | 0.28 | |||||||
T0.5-47 | 1128 | 220x2 | 0.4 | |||||||
T0.5-48 | 2256 | 510x2 | 0.56 | |||||||
T0.5-49 | 4512 | 1140x2 | 0.79 | |||||||
T0.5-50 | 18048 | 9 | 1630x2 | 1.7x2 | 120 | 14.3 | 0.025 | 1 | ||
T0.5-51 | 17.5 | 3x2 | 0.035 | |||||||
T0.5-52 | 35 | 6x2 | 0.05 | |||||||
T0.5-53 | 70.5 | 11x2 | 0.07 | |||||||
T0.5-54 | 141 | 23x2 | 0.1 | |||||||
T0.5-55 | 282 | 45x2 | 0.14 | |||||||
T0.5-56 | 564 | 90x2 | 0.2 | |||||||
T0.5-57 | 1128 | 220x2 | 0.28 | |||||||
T0.5-58 | 2256 | 510x2 | 0.4 | |||||||
T0.5-59 | 4512 | 1140x2 | 0.56 | |||||||
T0.7-1 | 0.7 | 141 | 9 | 12x2 | 1.7x2 | 13 | 0.2 | 0.11 | 0.28 | 16 |
T0.7-2 | 17.5 | 2.5x2 | 0.39 | |||||||
T0.7-3 | 35 | 5x2 | 0.55 | |||||||
T0.7-4 | 70.5 | 10x2 | 0.78 | |||||||
T0.7-5 | 282 | 9 | 24x2 | 1.7x2 | 18 | 0.2 | 0.22 | 0.2 | 11 | |
T0.7-6 | 17.5 | 2.5x2 | 0.28 | |||||||
T0.7-7 | 35 | 5x2 | 0.39 | |||||||
T0.7-8 | 70.5 | 10x2 | 0.55 | |||||||
T0.7-9 | 141 | 23x2 | 0.78 | |||||||
T0.7-10 | 564 | 9 | 48x2 | 1.7x2 | 25 | 0.5 | 0.45 | 0.14 | 8 | |
T0.7-11 | 17.5 | 2.5x2 | 0.2 | |||||||
T0.7-12 | 35 | 5x2 | 0.28 | |||||||
T0.7-13 | 70.5 | 10x2 | 0.39 | |||||||
T0.7-14 | 141 | 23x2 | 0.55 | |||||||
T0.7-15 | 282 | 45x2 | 0.78 | |||||||
T0.7-16 | 1128 | 9 | 100x2 | 1.7x2 | 35 | 0.9 | 0.1 | 6 | ||
T0.7-17 | 17.5 | 2.5x2 | 0.14 | |||||||
T0.7-18 | 35 | 5x2 | 0.2 | |||||||
T0.7-19 | 70.5 | 10x2 | 0.28 |