Vanguard Electronics offers high-reliability pulse transformers designed for demanding applications in aerospace, defense, and industrial sectors. These transformers are built to meet MIL-PRF-21038/27 specifications, ensuring performance in harsh environments.
| Image | Name | Grade | Turns Ratio | Impedance (OHMS) | DCR MAX (OHMS) | Package | hf:tax:pa_impedance-ohms | hf:tax:pa_common-inductance-µh | hf:tax:pa_common-dcr-max-ohms | hf:tax:pa_package-size | hf:tax:pa_length-inches | hf:tax:pa_width-inches | hf:tax:pa_height-inches | hf:tax:pa_mounting-type | hf:tax:pa_series |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 100658 | QPL | 1.25:1 / 1.66:1 | 4000 | 3, 3.2 | A | 4000 | 3 3-2 | a | 0-625 | 0-625 | 0-3 | tht | m21038 | |
| 100659 | QPL | 2.3:1 / 3.2:1 | 3000 | 1.2, 3 | A | 3000 | 1-2 3 | a | 0-625 | 0-625 | 0-3 | tht | m21038 | |
 | 100660 | QPL | 01:01.4 | 3000 | 2.2, 2.7 | C | 3000 | 2-2 2-7 | c | 0-5 | 0-35 | 0-25 | tht | m21038 | |
 | 100661 | QPL | 1:1 / 1:.707 | 4000 | 3 | D | 4000 | 3 | d | 0-625 | 0-625 | 0-3 | smd | m21038 | |
| 100662 | QPL | 2.3:1 / 3.2:1 | 3000 | 1.2, 3 | D | 3000 | 1-2 3 | d | 0-625 | 0-625 | 0-3 | smd | m21038 | |
| 100663 | QPL | 1:2.12 / 1:1.5 | 4000 | 1, 3.5 | D | 4000 | 1 3-5 | d | 0-625 | 0-625 | 0-3 | smd | m21038 | |
 | 100664 | QPL | 1:4:1 / 2:1 | 7200 | 3, 3.5 | E | 7200 | 3 3-5 | e | 0-625 | 0-625 | 0-3 | smd | m21038 | |
| 100665 | QPL | 1.25:1 / 1.66:1 | 4000 | 3, 3.2 | E | 4000 | 3 3-2 | e | 0-625 | 0-625 | 0-3 | smd | m21038 | |
| 100666 | QPL | 2.3:1 / 3.2:1 | 3000 | 1.2, 3 | E | 3000 | 1-2 3 | e | 0-625 | 0-625 | 0-3 | smd | m21038 | |
| 100667 | QPL | 1:2.12 / 1:1.5 | 3000 | 1, 3.5 | E | 3000 | 1 3-5 | e | 0-625 | 0-625 | 0-3 | smd | m21038 | |
 | 100668 | QPL | 1:1 / 1.707 | 4000 | 3 | F | 4000 | 3 | f | 0-625 | 0-625 | 0-3 | smd | m21038 | |
| 100669 | QPL | 1:4:1 / 2:1 | 7200 | 3, 3.5 | F | 7200 | 3 3-5 | f | 0-625 | 0-625 | 0-3 | smd | m21038 | |
| 100670 | QPL | 1.25:1 / 1.66:1 | 4000 | 3, 3.2 | F | 4000 | 3 3-2 | f | 0-625 | 0-625 | 0-3 | smd | m21038 | |
| 100671 | QPL | 1:2.12 / 1:1.5 | 4000 | 1, 3.5 | F | 4000 | 1 3-5 | f | 0-625 | 0-625 | 0-3 | smd | m21038 | |
| 100672 | QPL | 1:2.5 / 1:1.79 | 4000 | 1, 3.5 | F | 4000 | 1 3-5 | f | 0-625 | 0-625 | 0-3 | smd | m21038 | |
 | 100673 | QPL | 01:01.5 | 3000 | 0.9, 2.5 | B | 3000 | 0-9 2-5 | b | 0-5 | 0-35 | 0-25 | tht | m21038 | |
| 100674 | QPL | 01:01.8 | 3000 | 0.9, 2.5 | B | 3000 | 0-9 2-5 | b | 0-5 | 0-35 | 0-25 | tht | m21038 | |
| 100675 | QPL | 01:02.5 | 3000 | 1, 2.8 | B | 3000 | 1 2-8 | b | 0-5 | 0-35 | 0-25 | tht | m21038 | |
| 100676 | QPL | 1:2.5 / 1:1.79 | 4000 | 1, 3.5 | E | 4000 | 1 3-5 | e | 0-625 | 0-625 | 0-275 | smd | m21038 | |
| 49206 | QPL | 1:1 / 1:.797 | 4000 | 3 | A | 4000 | 3 | a | 0-625 | 0-625 | 0-3 | tht | m21038 | |
| 49207 | QPL | 1.4:1 / 2:1 | 7200 | 3, 3.5 | A | 7200 | 3 3-5 | a | 0-625 | 0-625 | 0-3 | tht | m21038 | |
| 49208 | QPL | 1:01 | 3000 | 2.5, 2.8 | B | 3000 | 2-5 2-8 | b | 0-5 | 0-35 | 0-25 | tht | m21038 | |
| 49209 | QPL | 01:01.4 | 3000 | 2.2, 2.7 | B | 3000 | 2-2 2-7 | b | 0-5 | 0-35 | 0-25 | tht | m21038 | |
| 49210 | QPL | 01:01.7 | 3000 | 1.5, 2.4 | B | 3000 | 1-5 2-4 | b | 0-5 | 0-35 | 0-25 | tht | m21038 | |
| 49211 | QPL | 1:02 | 3000 | 1.3, 2.6 | B | 3000 | 1-3 2-6 | b | 0-5 | 0-35 | 0-25 | tht | m21038 | |
| 49212 | QPL | 1:2.12 / 1:1.5 | 4000 | 1, 3.5 | A | 4000 | 1 3-5 | a | 0-625 | 0-625 | 0-3 | tht | m21038 | |
| 49213 | QPL | 1.4:1 / 2:1 | 7200 | 3, 3.5 | D | 7200 | 3 3-5 | d | 0-625 | 0-625 | 0-3 | smd | m21038 | |
| 49214 | QPL | 1.25:1 / 1.66:1 | 4000 | 3, 3.2 | D | 4000 | 3 3-2 | d | 0-625 | 0-625 | 0-3 | smd | m21038 | |
| 49215 | QPL | 1:1 / 1:.707 | 4000 | 3 | E | 4000 | 3 | e | 0-625 | 0-625 | 0-3 | smd | m21038 | |
| 49216 | QPL | 1:2.5 / 1:1.79 | 4000 | 1, 3.5 | A | 4000 | 1 3-5 | a | 0-5 | 0-35 | 0-25 | tht | m21038 | |
| 49217 | QPL | 1:1.79 / 1:2.5 | 4000 | 1, 3.5 | D | 4000 | 1 3-5 | d | 0-625 | 0-625 | 0-275 | smd | m21038 | |
 | PT1011 | COTS+ | 1:01 | 0.22 | R | 80 | 0-22 | r | 0-18 | 0-18 | 0-12 | smd | pt100 | ||
| PT102 | COTS+ | 1:1CT | 0.25 | R | 80 | 0-25 | r | 0-18 | 0-18 | 0-12 | smd | pt100 | ||
| PT103 | COTS+ | 1CT:1CT | 0.25 | R | 70 | 0-25 | r | 0-18 | 0-18 | 0-12 | smd | pt100 | ||
 | PT201 | COTS+ | 1:01 | 0.2 | K | 100 | 0-2 | k | 0-25 | 0-25 | 0-2 | smd | pt200 | ||
| PT202 | COTS+ | 1:1CT | 0.2 | K | 90 | 0-2 | k | 0-25 | 0-25 | 0-2 | smd | pt200 | ||
| PT203 | COTS+ | 1CT:1CT | 0.2 | K | 80 | 0-2 | k | 0-25 | 0-25 | 0-2 | smd | pt200 | ||
| PT204 | COTS+ | 1CT:2CT | 0.2, 0.4 | K | 70 | 0-2 0-4 | k | 0-25 | 0-25 | 0-2 | smd | pt200 | ||
 | PT301 | COTS+ | 1:01 | 0.2 | P | 100 | 0-2 | p | 0-25 | 0-25 | 0-2 | tht | pt300 | ||
| PT302 | COTS+ | 1:1CT | 0.2 | P | 90 | 0-2 | p | 0-25 | 0-25 | 0-2 | tht | pt300 | ||
| PT303 | COTS+ | 1CT:1CT | 0.2 | P | 80 | 0-2 | p | 0-25 | 0-25 | 0-2 | tht | pt300 | ||
| PT304 | COTS+ | 1CT:2CT | 0.2, 0.4 | P | 70 | 0-2 0-4 | p | 0-25 | 0-25 | 0-2 | tht | pt300 | ||
 | SPT101 | Space (MIL-STD-981) | 1:01 | 0.22 | R | 80 | 0-22 | r | 0-18 | 0-18 | 0-12 | smd | spt100 | ||
| SPT102 | Space (MIL-STD-981) | 1:1CT | 0.25 | R | 80 | 0-25 | r | 0-18 | 0-18 | 0-12 | smd | spt100 | ||
| SPT103 | Space (MIL-STD-981) | 1CT:1CT | 0.25 | R | 70 | 0-25 | r | 0-18 | 0-18 | 0-12 | smd | spt100 | ||
 | SPT201 | Space (MIL-STD-981) | 1:01 | 0.2 | K | 100 | 0-2 | k | 0-25 | 0-25 | 0-2 | smd | spt200 | ||
| SPT202 | Space (MIL-STD-981) | 1:1CT | 0.2 | K | 90 | 0-2 | k | 0-25 | 0-25 | 0-2 | smd | spt200 | ||
| SPT203 | Space (MIL-STD-981) | 1CT:1CT | 0.2 | K | 80 | 0-2 | k | 0-25 | 0-25 | 0-2 | smd | spt200 | ||
| SPT204 | Space (MIL-STD-981) | 1CT:2CT | 0.2, 0.4 | K | 70 | 0-2 0-4 | k | 0-25 | 0-25 | 0-2 | smd | spt200 | ||
 | SPT301 | Space (MIL-STD-981) | 1:01 | 0.2 | P | 100 | 0-2 | p | 0-25 | 0-25 | 0-2 | tht | spt300 | ||
| SPT302 | Space (MIL-STD-981) | 1:1CT | 0.2 | P | 90 | 0-2 | p | 0-25 | 0-25 | 0-2 | tht | spt300 | ||
| SPT303 | Space (MIL-STD-981) | 1CT:1CT | 0.2 | P | 80 | 0-2 | p | 0-25 | 0-25 | 0-2 | tht | spt300 | ||
| SPT304 | Space (MIL-STD-981) | 1CT:2CT | 0.2, 0.4 | P | 70 | 0-2 0-4 | p | 0-25 | 0-25 | 0-2 | tht | spt300 |
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