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含针式变压器
含针式变压器有EI28-EI57多种规格，输入电压：60V/110V/220V/380V/AC50Hz/60Hz等，功率：0.5VA-12VA，铁芯、组间耐压≥3800V/AC。含针式变压器具有直接焊接于印制板上、体积小、结构紧凑、使用方便、绝缘性能好等特点。广泛应用于国防、电力、电气、电子、计算机、通讯、医疗、机床、仪器仪表、家用电器等。
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· 含针式变压器介绍：
含针式变压器有EI28-EI57多种规格，输入电压：60V/110V/220V/380V/AC50Hz/60Hz等，功率：0.5VA-12VA，铁芯、组间耐压≥3800V/AC。含针式变压器具有直接焊接于印制板上、体积小、结构紧凑、使用方便、绝缘性能好等特点。广泛应用于国防、电力、电气、电子、计算机、通讯、医疗、机床、仪器仪表、家用电器等。
· 型号表
| 型 号 | 规 格 | 功率（VA） | A(mm) | B(mm) | C(mm) | D(mm) | E(mm) | 针 比 | 针 数 | 备 注 |
| TDA-0.5-A1 | A26140BA | 0.5 | 26 | 28 | 20 | 0.8 | 7 | 3 3 | 6P | |
| TDA-0.8-A2 | A26185BA | 0.8 | 26 | 32 | 20 | 0.8 | 7 | 3 3 | 6P | |
| TDA-1.2-A3 | A26225BA | 1.2 | 26 | 36 | 20 | 0.8 | 7 | 3 3 | 6P | |
| TDA-1-A4 | A28120BA1 | 1 | 28.5 | 25.5 | 25.5 | 0.8 | 7 | 2 3 | 5P | |
| TDA-1-A5 | A28120BA2 | 1 | 28.5 | 25.5 | 25.5 | 1 | 7 | 2 4 | 6P | |
| TDA-1.2-A6 | A28120BA3 | 1.2 | 28.5 | 25.5 | 25.5 | 0.8 | 6.5 | 5 5 | 10P | |
| TDA-1.5-A7 | A28150BA1 | 1.5 | 28.5 | 25.5 | 28.5 | 1 | 7 | 2 4 | 6P | |
| TDA-1.5-A8 | A28150BA2 | 1.5 | 28.5 | 25.5 | 28.5 | 0.8 | 7 | 2 3 | 5P | |
| TDA-1.5-A9 | A35110BC | 1.5 | 35.5 | 30 | 26 | 0.8 | 8.5 | 5 5 | 10P | |
| TDA-1.5-A10 | A35115BC | 1.5 | 35.5 | 30 | 30 | 1 | 6.5 | 5 5 | 10P | |
| TDA-2-A11 | A35135BA | 2 | 35.5 | 30 | 29.5 | 1 | 7.5 | 5 5 | 10P | |
| TDA-2.5-A12 | A35150BA | 2.5 | 35.5 | 30 | 31 | 1 | 7 | 4 5 | 9P | |
| TDA-2.5-A13 | A35155BA | 2.5 | 35.5 | 30 | 31 | 0.8 | 9 | 5 5 | 10P | |
| TDA-2.5-A14 | A35155BC | 2.5 | 35.5 | 30 | 32 | 1 | 8 | 5 5 | 10P | |
| TDA-3-A15 | A35180BA1 | 3 | 35.5 | 30 | 35.5 | 1 | 7 | 4 5 | 9P | |
| TDA-3-A16 | A35180BA2 | 3 | 35.5 | 30 | 34 | 1 | 9 | 5 5 | 10P | |
| TDA-2.5-A17 | A41125BA | 2.5 | 41.5 | 33.5 | 25 | 1 | 8 | 5 5 | 10P | |
| TDA-3-A18 | T41155BB1 | 3 | 41.5 | 33.5 | 34 | 1 | 8 | 4 5 | 9P | |
| TDA-3-A19 | A41155BB2 | 3 | 41.5 | 33.5 | 35 | 1 | 8.5 | 5 6 | 11P | |
| TDA-3.5-A20 | A41165BA | 3.5 | 41.5 | 33.5 | 31.5 | 0.8 | 8 | 5 5 | 10P | |
| TDA-4-A21 | A41185BB | 4 | 41.5 | 33.5 | 38 | 1 | 8.5 | 4 5 | 9P | |
| TDA-4.5-A22 | A41205BA | 4.5 | 41.5 | 33.5 | 41 | 0.8 | 8.5 | 4 6 | 10P | |
| TDA-4.5-A23 | A41205BB | 4.5 | 41.5 | 33.5 | 39 | 1 | 8 | 4 5 | 9P | |
| TDA-4.5-A24 | A41205BC | 4.5 | 41.5 | 33.5 | 38 | 1 | 7.5 | 4 6 | 10P | |
| TDA-5-A25 | A41220BA | 5 | 41.5 | 42.5 | 34 | 1 | 8 | 5 5 | 10P | |
| TDA-5-A26 | A41225BB | 5 | 41.5 | 33.5 | 41.5 | 1 | 8.5 | 4 5 | 9P | |
| TDA-5-A27 | A41225BC | 5 | 41.5 | 33.5 | 40 | 1 | 7.5 | 4 6 | 10P | |
| TDA-03-A28 | A48100BA | 3 | 48.5 | 41 | 23.5 | 1 | 7 | 5 5 | 10P | |
| TDA-6-A29 | A48165BC | 6 | 48.5 | 41 | 36 | 1 | 6.5 | 5 5 | 10P | |
| TDA-7-A30 | A48185BC | 7 | 48.5 | 41 | 38 | 1 | 6.5 | 5 8 | 13P | |
| TDA-8-A31 | A48220BC | 8 | 48.5 | 41 | 41.5 | 1 | 6.5 | 5 8 | 13P | |
| TDA-10-A32 | A48260BC | 10 | 48.5 | 41 | 45.5 | 1 | 6.5 | 5 8 | 13P | |
| TDA-10-A33 | A57150BC | 10 | 57.5 | 48 | 38 | 1 | 6 | 5 9 | 14P | |
| TDA-12-A34 | A57185BC | 12 | 57.5 | 48 | 40 | 1 | 6 | 5 9 | 14P |
