2SC4877 Silicon NPN Triple Diffused Application TO–3PFM TV / character display horizontal deflection output Features • High breakdown voltage VCES = 1500 V • Built–in damper diode type • Isolated package TO-3PFM 1. Base 2. Collector 3. Emitter 1 2 3 2 1 3 Absolute Maximum Ratings (Ta = 25°C) Item Symbol Rating Unit ——————————————————————————————————————————— Collector to emitter voltage VCES 1500 V ——————————————————————————————————————————— Emitter to base voltage VEBO 6 V ——————————————————————————————————————————— Collector current IC 8 A ——————————————————————————————————————————— Collector surge current ic(surge) 20 A ——————————————————————————————————————————— Collector power dissipation PC*1 50 W ——————————————————————————————————————————— Junction temperature Tj 150 °C ——————————————————————————————————————————— Storage temperature Tstg –55 to +150 °C ——————————————————————————————————————————— C to E diode forward current ID 8 A ——————————————————————————————————————————— Note: 1. Value at TC = 25°C. 2SC4877 Electrical Characteristics (Ta = 25°C) Item Symbol Min Typ Max Unit Test Conditions ——————————————————————————————————————————— Emitter to base breakdown voltage V(BR)EBO 6 — — V IE = 400 mA, IC = 0 ——————————————————————————————————————————— Collector cutoff current ICES — — 500 µA VCE = 1500 V, RBE = 0 ——————————————————————————————————————————— DC current transfer ratio hFE — — 25 — VCE = 5 V, IC = 1 A ——————————————————————————————————————————— Collector to emitter saturation voltage VCE(sat) — — 5 V IC = 7 A, IB = 1.4 A ——————————————————————————————————————————— Base to emitter saturation voltage VBE(sat) — — 1.5 V IC = 7 A, IB = 1.4 A ——————————————————————————————————————————— C to E diode forward voltage VECF — — 3.0 V IF = 8 A ——————————————————————————————————————————— Fall time tf — — 0.5 µs ICP = 7 A, IB1 = 1.4 A IB2 ≈ –2.5 A, fH = 31.5 kHz ——————————————————————————————————————————— Area of Safe Operation 80 I C (A) 20 60 Collector Current Collector Power Dissipation Pc (W) Maximum Collector Power Dissipation Curve 40 20 16 (100 V, 20 A) f = 15.75 kHz Ta = 25 °C For picture tube arcing 12 8 4 (800 V, 4 A) 0.5 mA 0 50 100 Case Temperature 150 Tc (°C) 200 0 800 1200 1600 2000 400 Collector to Emitter Voltage V CE (V) 2SC4877 DC Current Transfer Ratio vs. Collector Current Typical Output Characteristics h FE W 0.6 A 5 0.4 A 0.2 A Tc = 25 °C 0 IB = 0 25°C 10 5 Tc = –25°C 2 V CE = 5 V 0.2 0.5 1 Collector Current 2 5 I C (A) 10 Base to Emitter Saturation Voltage vs. Collector Current 10 IC / I B = 5 Base to Emitter Saturetion Voltage V BE(sat) (V) Collector to Emitter Saturation Voltage V CE(sat) (V) Collector to Emitter Saturation Voltage vs. Collector Current 2 1 0.5 25 °C Tc = –25 °C 0.2 75 °C 0.1 0.05 0.1 75°C 20 1 0.1 5 10 Collector to Emitter Voltage V CE (V) 5 50 50 I C (A) = Collector Current 100 Pc 2 A .8 A 1 1.6 A 1.4 A 1.2 A 1.0 A 0.8 A DC Current Transfer Ratio 10 0.2 0.5 1 2 5 Collector Current I C (A) 10 5 2 Tc = –25 °C 1 0.5 25 °C 75 °C 0.2 I C / IB = 5 0.1 0.2 0.5 1 2 5 Collector Current I C (A) 10 2SC4877 Collector to Emitter Saturation Voltage V CE(sat) (V) Collector to Emitter Saturation Voltage vs. Base Current 10 5 Tc = 25 °C IC = 4 A 0 0.1 0.2 6A 0.5 1 Base Current 8A 2 5 I B (A) 10