2SC458 (LG), 2SC2310 Silicon NPN Epitaxial ADE-208-1044A (Z) 2nd. Edition Mar. 2001 Application • Low frequency low noise amplifier Outline TO-92 (1) 1. Emitter 2. Collector 3. Base 3 2 1 2SC458 (LG), 2SC2310 Absolute Maximum Ratings (Ta = 25°C) Item Symbol 2SC458 (LG) 2SC2310 Unit Collector to base voltage VCBO 30 55 V Collector to emitter voltage VCEO 30 50 V Emitter to base voltage VEBO 5 5 V Collector current IC 100 100 mA Emitter current IE –100 –100 mA Collector power dissipation PC 200 200 mW Junction temperature Tj 150 150 °C Storage temperature Tstg –55 to +150 –55 to +150 °C 2 2SC458 (LG), 2SC2310 Electrical Characteristics (Ta = 25°C) 2SC458 (LG) 2SC2310 Item Symbol Min Typ Max Min Typ Max Unit Test conditions Collector to base breakdown voltage V(BR)CBO 30 — — 55 — — V I C = 10 µA, IE = 0 Collector to emitter breakdown voltage V(BR)CEO 30 — — 50 — — V I C = 1 mA, RBE = ∞ Emitter to base breakdown voltage V(BR)EBO 5 — — 5 — — V I E = 10 µA, IC = 0 Collector cutoff current I CBO — — 0.5 — — 0.5 µA VCB =18 V, IE = 0 Emitter cutoff current I EBO — — 0.5 — — 0.5 µA VEB = 2 V, IC = 0 100 — 500 100 — 320 — — 0.2 — — 0.2 V I C = 10 mA, IB = 1 mA Base to emitter voltage VBE — 0.67 0.75 — 0.67 0.75 V VCE = 12 V, IC = 2 mA Gain bandwidth product f T — 230 — — 230 — MHz VCE = 12 V, IC = 2 mA Collector output capacitance Cob — 1.8 3.5 — 1.8 3.5 pF VCB = 10 V, IE = 0, f = 1 MHz Noise figure NF — 3 5 — 3 5 dB VCE = 6 V, IC = 0.1 mA, f = 120 Hz, Rg = 500 Ω Small signal input impedance hie — 16.5 — — 16.5 — kΩ VCE = 5V, IC = 0.1mA, f = 270 Hz Small signal voltage feedback ratio hre — 70 — — 70 — × 10 –6 Small signal current transfer ratio hfe — 130 — — 130 — Small signal output admittance hoe — 11.0 — — 11.0 — DC current transfer ratio hFE* Collector to emitter saturation voltage Note: 1 VCE(sat) VCE = 12 V, IC = 2 mA µS 1. The 2SC458 (LG) and 2SC2310 are grouped by hFE as follows. B C D 2SC458 (LG) 100 to 200 160 to 320 250 to 500 2SC2310 160 to 320 — 100 to 200 3 2SC458 (LG), 2SC2310 Typical Output Characteristics 200 100 P 10 Collector Current IC (mA) Collector Power Dissipation PC (mW) Maximum Collector Dissipation Curve 300 60 20 50 8 0m W 40 6 30 4 20 10 µA 2 0 50 100 150 Ambient Temperature Ta (°C) 5 10 15 20 25 Collector to Emitter Voltage VCE (V) DC Current Transfer Ratio vs. Collector Current Typical Transfer Characteristics 300 4 DC Current Transfer Ratio hFE 5 Collector Current IC (mA) = IB = 0 0 VCE = 12 V 3 2 1 0 4 C 0.2 0.4 0.6 0.8 Base to Emitter Voltage VBE (V) 1.0 VCE = 12 V 200 Ta = 75°C 25 100 0 0.03 0.1 0.3 1.0 3 10 Collector Current IC (mA) 30 2SC458 (LG), 2SC2310 Base to Emitter Voltage vs. Ambient Temperature 300 0.9 f = 270 Hz VCE = 12 V Base to Emitter Voltage VBE (V) Small Signal Current Transfer Ratio hfe Small Signal Current Transfer Ratio vs. Collector Current 200 100 0 0.03 0.1 0.3 1.0 3 10 0.8 0.7 0.6 0.5 0.4 –20 30 Collector Current IC (mA) IE = 0 f = 1 MHz 3 2 1 4 8 12 16 20 Collector to Base Voltage VCB (V) Emitter Input Capacitance Cib (pF) Collector Output Capacitance Cob (pF) 80 5 5 0 0 20 40 60 Ambient Temperature Ta (°C) Emitter Input Capacitance vs. Emitter to Base Voltage Collector Output Capacitance vs. Collector to Base Voltage 4 VCE = 12 V IC = 2 mA IC = 0 f = 1 MHz 4 3 2 1 0 2 4 6 8 Emitter to Base Voltage VEB (V) 10 5 2SC458 (LG), 2SC2310 Contours of Constant Noise Figure Contours of Constant Noise Figure 10 14 12 5 Signal Source Resistance Rg (kΩ) Signal Source Resistance Rg (kΩ) 10 10 2 NF = 1dB 8 2 1.0 6 3 0.5 4 0.2 VCE = 6 V 6 f = 120 Hz 8 0.1 0.05 0.1 0.2 0.5 1.0 2.0 Collector Current IC (mA) 2 NF 1.0 1 .5 d B 0.5 2 0.2 0.1 0.05 6 =0 2 1 3 NF = 0.5 dB 1.0 0.5 2 0.2 3 4 0.1 8 0.05 0.1 0.2 0.5 1.0 2.0 Collector Current IC (mA) Noise Figure vs. Frequency 8 Noise Figure NF (dB) Signal Source Resistance Rg (kΩ) VCE = 6 V f = 10 kHz 2 10 4 5 4 1.0 Contours of Constant Noise Figure 10 8 5 V =6V CE f = 1 kHz IC = 0.1 mA Rg = 500 Ω VCE = 6 V 6 4 2 4 0.1 0.2 0.5 1.0 2.0 Collector Current IC (mA) 0 30 100 300 1k 3k Frequency f (Hz) 10k 30k 2SC458 (LG), 2SC2310 Noise Figure vs. Collector to Emitter Voltage Noise Figure NF (dB) 8 IC = 0.1 mA Rg = 500 Ω f = 120 Hz 6 4 2 0 2 5 10 20 Collector to Emitter Voltage VCE (V) h Parameter vs. Collector Current 100 50 20 VCE = 6 V 10 f = 270 Hz 5 hie 2 h 1.0 hfe re 0.5 hoe 0.2 0.1 0.05 hoe hre hfe hie 0.02 0.01 0.010.02 0.05 0.1 0.2 0.5 1.0 2 5 10 Collector Current IC (mA) 30 h Parameter vs. Collector to Emitter Voltage 1.8 Percentage of Relative to VCE = 5V Percentage of Relative to IC = 0.1mA 1 IC = 0.1 mA f = 270 Hz 1.6 hre 1.4 hoe 1.2 hoe 1.0 hfe hie 0.8 0.5 hfe hie hre 1.0 2 5 10 20 Collector to Emitter Voltage VCE (V) 7 2SC458 (LG), 2SC2310 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) 8 TO-92 (1) Conforms Conforms 0.25 g 2SC458 (LG), 2SC2310 Cautions 1. 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