| Kode Transistor | Tipe | Sumber | |---|---|---| | 2SA1106 | PNP | EL-Component, Motorobit | | 2SA1146 | PNP | EL-Component, Motorobit | | 2SA1186 | PNP | EL-Component, Motorobit | | 2SA1265 | PNP | EL-Component, Motorobit | | 2SA1301 / 2SA1302 / 2SA1303 | PNP | Motorobit, Yoreparo | | 2SA1386 / 2SA1386A | PNP | Motorobit | | 2SA1491 / 2SA1492 | PNP | Yoreparo, Motorobit | | 2SA1516 | PNP | Motorobit | | 2SA1695 / 2SA1941 / 2SA1942 / 2SA1943 | PNP | Motorobit, Yoreparo | | 2SA1986 | PNP | Motorobit | | 2SA2151 | PNP | Motorobit | | FJA4210 | PNP | Motorobit | | KTA1943 | PNP | Motorobit | | MJW1302A | PNP | Motorobit | | NTE37 | PNP | Yoreparo | | KTB688 / B688 | PNP | Yoreparo | | BD246C | PNP | Forum ElectronicWerkstatt |
Namun, karena umur komponen atau sulitnya mencari komponen asli, seringkali teknisi mencari .
| Parameter | Simbol | Nilai Maksimal | | :--- | :--- | :--- | | | - | NPN | | Tegangan Kolektor-Emitor | VCEO | 120 V | | Tegangan Kolektor-Basis | VCBO | 120 V | | Tegangan Emitor-Basis | VEBO | 5 V | | Arus Kolektor (DC) | IC | 10 A | | Disipasi Daya Maksimal | PC | 80 W | | Penguatan Arus DC (hFE) | hFE | 55 - 160 | | Frekuensi Transisi | fT | 10 - 18 MHz | | Suhu Operasi | Tj | -55 ~ +150°C | | Kemasan | - | TO-3P / TO-3PF / TO-3PML | Persamaan Transistor D998 B778
package, which features a large metal surface area or tab to be bolted onto a heatsink for efficient cooling. AliExpress Persamaan (Equivalent Substitutes)
) sangat bagus, membuat kualitas reproduksi suara audio jauh lebih jernih dan minim distorsi. | Kode Transistor | Tipe | Sumber |
These transistors are designed for the output stage of audio frequency amplifiers, typically for power ranges of 45W to 50W. Feature B778 (2SB778) Polarity Collector-Emitter Voltage ( VCEOcap V sub cap C cap E cap O end-sub ) Collector Current ( ICcap I sub cap C ) Power Dissipation ( PCcap P sub cap C ) Current Gain ( hFEh sub cap F cap E end-sub ) 55 – 160 55 – 160 Package Type TO-3P / TO-3PML TO-3P / TO-3PML Common Equivalents (Persamaan)
Their reputation for robust construction, high safe operating area (SOA), and excellent linearity makes them a favorite among audiophiles and repair technicians. These transistors are designed for the output stage
(Note: Always verify the datasheet of the specific manufacturer, as Japanese transistor pinouts can sometimes vary, though B-C-E is standard for this series).
Sumber:
2SD998 dan 2SB778 merupakan pasangan transistor komplementer yang andal untuk aplikasi keluaran daya/audio, namun penggantian harus mempertimbangkan parameter listrik, termal, dan karakteristik penguatan untuk menjaga performa dan keandalan. Selalu rujuk datasheet pabrikan dan, saat merancang atau mengganti komponen, prioritaskan margin keamanan serta proteksi rangkaian.