2SC2545, 2SC2546, 2SC2547 Silicon NPN Epitaxial ADE-208-1067A (Z) 2nd. Edition Mar. 2001 Application • Low frequency low noise amplifier Outline TO-92 (1) 1. Emitter 2. Collector 3. Base 3 2 1 2SC2545, 2SC2546, 2SC2547 Absolute Maximum Ratings (Ta = 25°C) Item Symbol 2SC2545 2SC2546 2SC2547 Unit Collector to base voltage VCBO 60 90 120 V Collector to emitter voltage VCEO 60 90 120 V Emitter to base voltage VEBO 5 5 5 V Collector current IC 100 100 100 mA Emitter current IE –100 –100 –100 mA Collector power dissipation PC 400 400 400 mW Junction temperature Tj 150 150 150 °C Storage temperature Tstg –55 to +150 –55 to +150 –55 to +150 °C 2 2SC2545, 2SC2546, 2SC2547 Electrical Characteristics (Ta = 25°C) 2SC2545 2SC2546 2SC2547 Item Symbol Min Typ Max Min Typ Max Min Typ Max Unit Test conditions Collector to base breakdown voltage V(BR)CBO 60 — — 90 — — 120 — — V IC = 10 µA, IE = 0 Collector to emitter breakdown voltage V(BR)CEO 60 — — 90 — — 120 — — V IC = 1 mA, RBE = ∞ Emitter to base breakdown voltage V(BR)EBO 5 — — 5 — — 5 — — V IE = 10 µA, IC = 0 Collector cutoff current ICBO — — 0.1 — — 0.1 — — 0.1 µA VCB = 50 V, IE = 0 Emitter cutoff current IEBO — — 0.1 — — 0.1 — — 0.1 µA VEB = 2 V, IC = 0 250 — 1200 250 — 1200 250 — 800 DC current transfer ratio hFE* 1 VCE = 12 V, IC = 2 mA Collector to emitter saturation voltage VCE(sat) — — 0.2 — — 0.2 — — 0.2 V IC = 10 mA, IB = 1 mA Base to emitter voltage VBE — 0.6 — — 0.6 — — 0.6 — V VCE = 12 V, IC = 2 mA Gain bandwidth product fT — 90 — — 90 — — 90 — MHz VCE = 12 V, IC = 2 mA Collector output capacitance Cob — 3.0 — — 3.0 — — 3.0 — pF VCB = 10 V, IE = 0, f = 1 MHz Noise voltage referred input en — 0.5 — — 0.5 — — 0.5 — nV/ √Hz VCE = 6V, IC = 10 mA, f = 1 kHz, Rg = 0, ∆f = 1Hz Note: 1. The 2SC2545, 2SC2546 and 2SC2547 are grouped by hFE as follows. D E F 2SC2545, 2SC2546 250 to 500 400 to 800 600 to 1200 2SC2547 250 to 500 400 to 800 — 3 2SC2545, 2SC2546, 2SC2547 Typical Output Characteristics 50 Collector Current IC (mA) Collector Power Dissipation PC (mW) Maximum Collector Dissipation Curve 600 400 200 70 60 40 50 30 40 20 30 =0 .4 W 20 10 10 µA 0 100 150 50 Ambient Temperature Ta (°C) 4 Collector Current IC (mA) 10 5 µA 4 IB = 0 0 4 20 VCE = 12 V 15 8 16 Typical Transfer Characteristics 20 12 12 10 25 16 8 Collector to Emitter Voltage VCE (V) Typical Output Characteristics 20 Collector Current IC (mA) C IB = 0 0 8 5 2 1.0 0.5 0.2 0.1 12 16 Collector to Emitter Voltage VCE (V) 4 P 20 0 0.2 0.4 0.6 0.8 Base to Emitter Voltage VBE (V) 1.0 2SC2545, 2SC2546, 2SC2547 Collector to Emitter Saturation Voltage VCE(sat) (V) DC Current Transfer Ratio vs. Collector Current VCE = 12 V Pulse 2,000 1,000 500 200 100 50 0.1 0.2 0.5 1.0 2 5 10 20 Collector Current IC (mA) 50 100 1.0 IC = 10 IB 0.5 0.2 0.1 0.05 0.02 0.01 50 2 5 10 20 Collector Current IC (mA) 1 100 Gain Bandwidth Product vs. Collector Current Base to Emitter Saturation Voltage vs. Collector Current 2,000 10 IC = 10 IB 5 2 1.0 0.5 0.2 0.1 Gain Bandwidth Product fT (MHz) Base to Emitter Saturation Voltage VBE(sat) (V) DC Current Transfer Ratio hFE 5,000 Collector to Emitter Saturation Voltage vs. Collector Current VCE = 12 V 1,000 500 200 100 50 20 1 2 5 10 20 50 Collector Current IC (mA) 100 1 2 50 5 10 20 Collector Current IC (mA) 100 5 2SC2545, 2SC2546, 2SC2547 Contours of Constant Noise Figure 100 100 Signal Source Resistance Rg (kΩ) Collector Output Capacitance Cob (pF) Collector Output Capacitance vs. Collector to Base Voltage IE = 0 f = 1 MHz 50 20 10 5 2 1 0.5 30 V = 6 V CE f = 1 kHz 10 3 1.0 0.3 0.1 4 0.03 100 10 3 1.0 NF = 0.5 dB 1 2 4 6 10 0.01 0.01 0.03 0.1 0.3 1.0 3 10 30 Collector Current IC (mA) 6 100 Signal Source Resistance Rg (kΩ) Signal Source Resistance Rg (kΩ) VCE = 6 V f = 120 Hz 30 0.03 100 Contours of Constant Noise Figure Contours of Constant Noise Figure 0.1 6 10 0.01 0.01 0.03 0.1 0.3 1.0 3 10 30 Collector Current IC (mA) 1.0 2 5 10 20 50 Collector to Base Voltage VCB (V) 100 0.3 NF = 0.5 dB 1 2 VCE = 6 V f = 10 Hz 30 10 3 1.0 0.3 0.1 NF = 0.5 dB 1 2 4 6 10 0.03 0.01 0.01 0.03 0.1 0.3 1.0 3 10 30 Collector Current IC (mA) 100 2SC2545, 2SC2546, 2SC2547 Package Dimensions As of January, 2001 Unit: mm 4.8 ± 0.4 0.7 0.60 Max 0.55Max 12.7 Min 2.3 Max 5.0 ± 0.2 3.8 ± 0.4 0.5Max 1.27 2.54 Hitachi Code JEDEC EIAJ Mass (reference value) TO-92 (1) Conforms Conforms 0.25 g 7 2SC2545, 2SC2546, 2SC2547 Cautions 1. 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