2SC2785 NEC | Alldatasheet

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/ 2SC2785 | DESCRIPTION — The 2SC2785 is designed for use in driver stage of AF amplifier and low speed switching. PACKAGE DIMENSIONS in millimeters (inches) FEATURES © High Voltage Vceo : 50 V MIN. oiesmax) (obec was) © Excellent hre Linearity : 0.92 TYP. “i gop igs’ = heey (0.1 mA)/hegg (1.0 mA) Po | AEE © Complementary to the NEC 2SA1175 PNP Transistor. an ro H 38 ABSOLUTE MAXIMUM RATINGS wow Wes) Maximum Temperatures zz °, 55 Maximum Power Dissipation (Ta = 25 °C) Maximum Voltages and Currents (Ta = 25 °C) as ts 3. BASE ELECTRICAL CHARACTERISTICS (Ta = 25 °C) bred DC Current Gain 50 185 VceE=6.0 V, Ic=0.1 mA hre2 DC Current Gain 110 200 600 VcE=6.0 V, Ic=1.0 mA NF Noise Figure 08 15 dB VcE=6.0 V, I¢=0.1 MA, RG=2.0 kX, f=1.0 kHz tT Gain Bandwidth Product 150 250 450 MHz Vce=6.0 V, IE=-10 mA Cob Collector to Base Capacitance 3.0 4.0 pF Vcp=6.0 V, Ie=0, f=1.0 MHz lcBo Collector Cutoff Current 100 nA Vcp=60 V, Ie=0 leBo Emitter Cutoff Current 100 nA VeB=5.0 V, Ic=0 | VeElsat) Collector Saturation Voltage 0.15 0.3 v I¢=100 mA, Ig=10 mA. . VBElsat) _Base Saturation Voltage 0.86 1.0 v 1¢=100 mA, Ip=10 mA Classification of hee2 hFEQ Test Conditions : VcE=6.0 V, I¢=1.0 mA 323

ise noted) CS (Ta = 25 °C unless otherwise note ISTH TYPICAL CHARACTER soxseree st ooo CUTOFF vs. COLLE! 7 EDCOLLECTOR CUTOFF : — OTAL powen oissiparion ppeiaiaiaiiabiaataiaies pSeass ; Es wes a Se eee Lo Seo a ro < Z ZL amis Aiteeeeae | a : Lf as 8 a saan i «| fF a <a! aan ae === ==: S| ne een nam : “EEN H F OSs saedecer Zecca : Za pe LEONA 3 me i) Goes aT TN | z Sa mt Zaz A oc ASEH : Mcccccer -cecccces mu YT H Coo SSF,

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NEC 2SC2785 | INE ENE TON SMALL SIGNALCURRENT GAIN _INPUT IMPEDANCE, VOLTAGE FEEDBACK EASE CAPACITANCE va HEVERSE VOLTAGE vz OC CURRENT GAIN RATIO AND OUTPUT ADMITTANCE — 105 vy sor ss ot ES woh Eee wlll | LL) fiewre Be ST a™ Trey) oy ye EET fw ITT 3 ly eee eee ee

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i ea easter > fe EEE Eero ges OT Sot = rillTyi i ri E ab 2p 3 20} Lt 22 | ag s fe [e CLT bal TT 22 CO | Ta Poovey? Pe A BA 3 ose eee ed » | TL YL | LIL A ee q oo = 200) é 3 ne 2 eo TYE LTT TTT 4 Cerri SC Perr 02 : 0 20 400 600800 «1000 Me —Small Signal Current Gain eo cat t SneYoeae—¥ nen DC Curent an NORMALIZED h-PARAMETERS NORMALIZED h-PARAMETERS. Ep, AND I, vs. COLLECTOR CURRENT te COLLECTOR CURRENT te COLLECTOR TO EMITTER VOLTAGE | SSPE vce ~60v SCOTT Tee my cere oy Ea LOSS EERE | aac é LTS rel : EAE > [3 SESH Roa ttyl UIN eH 2 Gee eI. HH | 2 eae | eee Lee 2 0.5 tri — SCT 3 Pete HH a 3 ¢ See

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ee a tS = Ee = lt oa “LL i CO POs ~ Collector Corrent ~ mi / 0.02] vere Sm eretati at I¢~Collector Current mA NOISE FIGURE MAP 1 NOISE FIGURE MAP 2 NOISE FIGURE MAP 3 IM pepper gers IM aero eers UM ea ae aE Sa SESS vce 6.0v SSeS vee~6.0v _ SSS Vee “6.0¥ 500k POISE THEE t= to He 500k SENESCENCE] = 100 Ha 500k SSSR 11.0 ee BSS td 1s, RGR ARR Som RSS [rote KONSNTR NT 20 [SRASTINSS A zo SSNS od CONN AN UU ANNU ONC NSS i RS i CRO | ERR SIRS CROSS CL SSO po IS ce eS eae rofSSo Sul NIN Se SS a } 20 SSRN 1 RCTS TAN SATS TTT Toei re SASS oorao2 ac ard2 05 1 2 5 10 01002 0050102 05 1 2 § 10 001002 0050102 05 1 2 E te~Collector Current —mA Ig¢—Collector Current mA lg—Collector Current mA 325