Magnetic Power Limited
Myrra High Frequency Ferrite
Pulse Transformers Range
| Myrra P/N | Size | Ratio | |
|---|---|---|---|
| 74600 | Size T15 | Ratio 1 / 1 / 1 | Low stray inductance |
| 74610 74611 |
Size T25 | Ratio 1 / 1 / 1 | Low stray inductance |
| 74620 74621 |
Size E19-H | Ratio 1 / 1 / 1 Ratio 3 / 1 / 1 |
Low coupling capacitance |
| 74630 74631 |
Size E25 | Ratio 1 / 1 / 1 Ratio 3 / 1 / 1 |
Low coupling capacitance |
| 74640 74641 |
Size E19-V | Ratio 1 / 5 Ratio 1 / 10 |
For voltage step-up |
| 74650 | Size E13 | Ratio 1 / 1 / 1 | Small size |
| 74710 | Size E16 | Ratio 1 / 1 | Low coupling capacitance |
| 74660 74661 |
Size EEM12.7 | Ratio 1CT / 1.3CT Ratio 1CT / 1CT |
SMD SMD, for DC/DC converter |
| 74670 | Size T10 | Ratio 1CT / 1.3CT | SMD, Low stray inductance |
Pulse Transformers Toroid Types
| Myrra P/N | Ratio P/S1/S2 |
L pri. +/-30% |
Current / winding Arms max |
Resistance / winding Ω max |
Pulse E x t V.µs max |
Square V / khz max |
C P/S pF max |
Leakage Inductance (µH) |
Insulation Voltage |
|
|---|---|---|---|---|---|---|---|---|---|---|
| P/S | S1/S2 | |||||||||
| 74600 | 1/1/1 | 4-8 | 0.6 | 0.35 | 150 V.µs | 0.4 | 120 pF | 1.0 µH | 4 kV | 4 KV |
| 74610 | 1/1/1 | 0.6-1.2 | 1.7 | 0.07 | 150 V.µs | 0.4 | 35 pF | 0.6 µH | 4 kV | 4 KV |
| 74611 | 1/1/1 | 2.5-5 | 1.2 | 0.14 | 300 V.µs | 0.8 | 90 pF | 1.2 µH | 4 kV | 4 KV |
Pulse Transformers E19-H/E25 Types
| Myrra P/N | Ratio P/S1/S2 |
L pri. +/-30% |
Current / winding Arms max |
Resistance / winding Ω max |
Pulse E x t V.µs max |
Square V / khz max |
C P/S pF max |
Leakage Inductance (µH) |
Insulation Voltage |
|
|---|---|---|---|---|---|---|---|---|---|---|
| P/S | S1/S2 | |||||||||
| 74620 | 1/1/1 | 3.2 mH | 0.5 | 1.0 | 350 V.µs | 0.6 | 5 pF | 70 µH | 2.5 kV | 1.5 KV |
| 74621 | 3/1/1 | 17 mH | 0.3 | 2.0 | 800 V.µs | 1.5 | 5 pF | 400 µH | 2.5 kV | 1.5 KV |
| 74630 | 1/1/1 | 2 mH | 1 | 0.4 | 500 V.µs | 0.8 | 7 pF | 60 µH | 2.5 kV | 1.5 KV |
| 74631 | 3/1/1 | 10 mH | 0.45 | 0.8 | 1000 V.µs | 1.7 | 7 pF | 300 µH | 2.5 kV | 1.5 KV |
Low Frequency Pulse Transformers for voltage step-up
| Myrra P/N | Ratio P/S |
L pri. +/-30% |
Current Arms max |
Resistance Ω max |
Pulse Vsec. t max |
Sine Vsec. t max |
Insulation Voltage P/S |
|---|---|---|---|---|---|---|---|
| 74640 | 1/5 | 11 mH | Pri: 0.5 Sec: 0.1 |
Pri: 1.0 Sec: 31 |
16 V.ms | 4 Vrms / 50Hz 50 Vrms /5kHz |
1500 |
| 74641 | 1/10 | 11 mH | Pri: 0.4 Sec: 0.04 |
Pri: 1.8 Sec: 80 Ω |
33 V.ms | 8 Vrms / 50Hz 100 Vrms /5kHz |
1500 |
Pulse Transformers Sizes E13, E16
| Myrra P/N |
Ratio P/S1/S2 |
L pri. | Current / winding Arms max |
Resistance / winding Ω max |
Pulse E x t V.µs max |
Square V / khz max |
C P/S pF max |
Leakage Inductance (µH) |
Insulation Voltage |
|
|---|---|---|---|---|---|---|---|---|---|---|
| P/S | S1/S2 | |||||||||
| 74650 | 1/1/1 | 500 µH +/-30% |
0.6 | 0.28 | 120 V.µs | 20V / 100kHz | 12 pF | 2 µH | 1.5 kV | 1.5 KV |
| 74710 | 1/1 | 2 mH +/-40% |
0.6 | 0.6 | 300 V.µs | 50V / 100kHz | 6 pF | 44 µH | 4 kV | |
Pulse Transformers SMD Types
| Myrra P/N |
Ratio P/S |
L pri. | Current / winding max |
Resistance / winding Ω max |
Pulse E x t max P1 or P2 |
Square V / khz max P1 or P2 |
C P/S pF max |
Leakage Inductance (µH) |
Insulation Voltage P/S |
|---|---|---|---|---|---|---|---|---|---|
| 74660 | 1+1/ 1.3+1.3 |
240 µH +/-30% |
0.2 Arms | 0.9 | 50 V.µs | 15V 100-500kHz |
20 pF | 0.35 µH | 0.5 kV |
| 74661 | 1+1/ 1+1 |
10 µH +/-10% |
3 Apeak 0.5 Arms |
0.2 | 30 V.µs | 0.05V / kHz 100-400kHz |
20 pF | 0.2 µH | 0.5 kV |
| 74670 | 1+1/ 1.3 |
220 µH +/-30% |
0.4 Arms | 0.25 | 15 V.µs | 0.03V / kHz 100-500kHz |
12 pF | 0.4 µH | 4 kV |