2SC1890, 2SC1890A Silicon NPN Epitaxial ADE-208-1057 (Z) 1st. Edition Mar. 2001 Application • Low frequency high voltage amplifier • Complementary pair with 2SA893/A Outline TO-92 (1) 1. Emitter 2. Collector 3. Base 3 2 1 2SC1890, 2SC1890A Absolute Maximum Ratings (Ta = 25°C) Ratings Item Symbol 2SC1890 2SC1890A Unit Collector to base voltage VCBO 90 120 V Collector to emitter voltage VCEO 90 120 V Emitter to base voltage VEBO 5 5 V Collector current IC 50 50 mA Collector power dissipation PC 300 300 mW Junction temperature Tj 150 150 °C Storage temperature Tstg –55 to +150 –55 to +150 °C Electrical Characteristics (Ta = 25°C) 2SC1890 2SC1890A Item Symbol Min Typ Max Min Typ Max Unit Test conditions Collector to emitter breakdown voltage V(BR)CEO 90 — — 120 — — V I C = 1 mA, RBE = ∞ Collector cutoff current I CBO — — 0.5 — — — µA VCB = 75 V, IE = 0 — — — — — 0.5 µA VCB = 100 V, IE = 0 250 — 1200 250 — 1200 Base to emitter voltage VBE — — 0.75 — — 0.75 V VCE = 12 V, IC = 2 mA Collector to emitter saturation voltage — — 0.5 — — 0.5 V I C = 10 mA, IB = 1 mA Gain bandwidth product f T — 200 — — 200 — MHz VCE = 12 V, IC = 2 mA Collector output capacitance Cob — 1.6 — — 1.6 — pF VCB = 25 V, IE = 0, f = 1 MHz Noise figure NF — 2 10 — 2 10 dB VCE = 6 V, IC = 50 µA, Rg = 50 kΩ, f = 1 kHz DC current tarnsfer ratio hFE* Note: 1 VCE(sat) 1. The 2SC1890/A is grouped by hFE as follows. D E F 250 to 500 400 to 800 600 to 1200 See characteristic curves of 2SC1775 and 2SC1775A. 2 VCE = 12 V, IC = 2 mA 2SC1890, 2SC1890A Collector Power Dissipation PC (mW) Maximum Collector Dissipation Curve 300 200 100 0 100 150 50 Ambient Temperature Ta (°C) 3 2SC1890, 2SC1890A 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) 4 TO-92 (1) Conforms Conforms 0.25 g 2SC1890, 2SC1890A Cautions 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual property rights, in connection with use of the information contained in this document. 2. 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