Persamaan Transistor D998 B778 -

The D998 (2SD998) and B778 (2SB778) are a popular pair of complementary silicon power transistors, often found in the output stages of audio amplifiers and car audio systems. Key Specifications

Transistor D998 B778 adalah jenis transistor NPN (Negative-Positive-Negative) yang memiliki tiga terminal, yaitu basis, kolektor, dan emitor. Transistor ini digunakan untuk mengatur arus listrik dan dapat berfungsi sebagai amplifier atau saklar.

Mengganti transistor tidak boleh dilakukan sembarangan. Agar tidak terjadi kerusakan fatal atau kembang api kecil di meja kerja Anda, perhatikan beberapa panduan berikut: Persamaan Transistor D998 B778

Transistor D998 B778 memiliki beberapa fungsi, antara lain:

Protection strategies:

| Ciri | Original Sanyo | Palsu (Aspal) | | :--- | :--- | :--- | | Berat | Berasa berat (chip tembaga besar) | Ringan seperti plastik | | Kaki (lead) | Tebal, mengkilap, keras | Tipis, mudah bengkok, kusam | | Tembaga belakang | Pola serat tembaga kasar | Halus seperti cermin murah | | Kode produksi | Ada lot number (misal: 9N2) | Hanya tulisan D998 besar | | Uji hFE (dengan Ic 1A) | >60 | <30 |

| Test | Red Probe | Black Probe | Expected Reading | | :--- | :--- | :--- | :--- | | NPN (D998) B-E | Base | Emitter | 0.5–0.7V | | NPN (D998) B-C | Base | Collector | 0.5–0.7V | | PNP (B778) E-B | Emitter | Base | 0.5–0.7V | | PNP (B778) C-B | Collector | Base | 0.5–0.7V | The D998 (2SD998) and B778 (2SB778) are a

Spesifikasi Teknis Utama:

| Parameter | Nilai | Satuan | | :--- | :--- | :--- | | Tegangan Kolektor-Emitor (Vceo) | 120 | Volt | | Arus Kolektor (Ic) | 10 (Maks 15) | Ampere | | Disipasi Daya (Pc) | 80 (dengan heatsink) | Watt | | Frekuensi Transisi (ft) | 30 | MHz | | Kemasan (Package) | TO-3P (Isolated) | - |

3. Role in Circuits

The D998 and B778 are typically utilized as a complementary pair in Class B or Class AB push-pull amplifier configurations. Mengganti transistor tidak boleh dilakukan sembarangan

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