2N4125

2N4125 2N4125 C TO-92 BE PNP General Purpose Amplifier This device is designed for use as general purpose amplifiers and switches requiring collector currents of 10 µA to 100 mA. Absolute Maximum Ratings* Symbol TA = 25°C unless otherwise noted Parameter Value Units V VCEO Collector-Emitter Voltage 30 VCBO Collector-Base Voltage 30 V VEBO Emitter-Base Voltage 4.0 V IC Collector Current - Continuous 200 mA TJ, Tstg Operating and Storage Junction Temperature Range -55 to +150 °C *These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. NOTES: 1) These ratings are based on a maximum junction temperature of 150 degrees C. 2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations. Thermal Characteristics Symbol PD TA = 25°C unless otherwise noted Characteristic RθJC Total Device Dissipation Derate above 25° C Thermal Resistance, Junction to Case RθJA Thermal Resistance, Junction to Ambient  2001 Fairchild Semiconductor Corporation Max Units 2N4125 625 5.0 83.3 mW mW/°C °C/W 200 °C/W 2N4125, Rev A (continued) Electrical Characteristics Symbol TA = 25°C unless otherwise noted Parameter Test Conditions Min Max Units OFF CHARACTERISTICS V(BR)CEO IC = 1.0 mA, IB = 0 V(BR)CBO Collector-Emitter Breakdown Voltage* Collector-Base Breakdown Voltage 30 V V(BR)EBO Emitter-Base Breakdown Voltage IC = 10 µA, IE = 0 30 V 4.0 Collector-Cutoff Current IE = 10 µA, I C = 0 VCB = 20 V, IE = 0 ICBO IEBO Emitter-Cutoff Current VEB = 3.0 V, I C = 0 V 50 nA 50 nA ON CHARACTERISTICS* hFE DC Current Gain VCE(sat ) Collector-Emitter Saturation Voltage VCE = 1.0 V, I C = 2.0 mA VCE = 1.0 V, I C = 50 mA IC = 50 mA, IB = 5.0 mA 0.4 V VBE(sat) Base-Emitter Saturation Voltage IC = 50 mA, IB = 5.0 mA 0.95 V 50 25 150 SMALL SIGNAL CHARACTERISTICS Cob Output Capacitance VCB = 5.0 V, f = 100 kHz 4.5 pF Cib Input Capacitance VBE = 0.5 V, f = 100 kHz 10 pF hfe Small-Signal Current Gain I C = 2.0 mA, VCE = 10 V, f = 1.0 kHz I C = 10 mA, VCE = 20 V, f = 100 MHz VCE = 5.0 V, I C = 100 µA, RS = 1.0 kΩ, f = 10Hz to 15.7 kHz, NF Noise Figure *Pulse Test: Pulse Width ≤ 300 µs, Duty Cycle ≤ 2.0% 50 200 2.0 5.0 dB 2N4125 PNP General Purpose Amplifier (continued) 250 V CE = 1 .0V 125 °C 200 150 25 °C 100 50 0.1 - 40 °C 0.2 0.5 1 2 5 10 20 I C - COLLECTOR CURRE NT (mA) 50 100 Base-Emitter Saturation Voltage vs Collector Current β = 10 1 - 40 °C 0.8 25 °C 125 °C 0.6 0.4 0.2 0 1 10 100 I C - COLLECTOR CURRE NT (mA) 200 V CESAT - COLLECTOR EMITTER VOLTAGE (V) Typical Pulsed Current Gain vs Collector Current VBE( ON)- BASE EMITTER ON VOLTAGE (V) V BESAT - BASE EM ITTE R VOLTAGE (V) h F E - TYPICAL PULSED CURRENT GAIN Typical Characteristics Collector-Emitter Saturation Voltage vs Collector Current 0.3 β = 10 0.25 0.2 0.15 25 °C 0.1 125°C 0.05 0 - 40 °C 1 1 0.8 - 40 °C 125 °C 0.4 = 25V 0 0.1 1 10 I C - COLLECTOR CURRENT (mA) 25 10 C obo CAPACITANCE (pF) I CBO - COLLE CTOR CURRENT (nA) V CE = 1V 0.2 Common-Base Open Circuit Input and Output Capacitance vs Reverse Bias Voltage 10 1 0.1 0.01 25 25 °C 0.6 100 CB 200 Base Emitter ON Voltage vs Collector Current Collector-Cutoff Current vs Ambient Temperature V 10 100 I C - COLLECTOR CURRENT (mA) 50 75 100 TA - AMBIE NT TEMP ERATURE (° C) 125 8 6 4 C ibo 2 0 0.1 1 REVERSE BIAS VOLTAGE (V) 10 2N4125 PNP General Purpose Amplifier (continued) Typical Characteristics (continued) Noise Figure vs Frequency Noise Figure vs Source Resistance 6 12 NF - NOISE FIGURE (dB) NF - NOISE FIGURE (dB) V CE = 5.0V 5 4 3 I C = 100 µA, R S = 200Ω 2 I C = 1.0 mA, R S = 200Ω 1 I C = 100 µA, R S = 2.0 kΩ 0 0.1 1 10 f - FREQUENCY (kHz) V CE = 5.0V f = 1.0 kHz 10 I C = 1.0 mA 8 6 4 I C = 100 µA 2 0 0.1 100 1 10 R S - SOURCE RESISTANCE ( kΩ ) Switching Times vs Collector Current Turn On and Turn Off Times vs Collector Current 500 500 ts tf 10 I B1 = I B2 = tr Ic t off 100 TIME (nS) 100 t on I B1 = Ic 10 t on VBE(OFF) = 0.5V 10 Ic t off I = I = B1 B2 10 10 td 1 1 10 I C - COLLECTOR CURRENT (mA) 1 100 1 I 10 - COLLECTOR CURRENT (mA) Power Dissipation vs Ambient Temperature 1 PD - POWER DISSIPATION (W) TIME (nS) 100 SOT-223 0.75 TO-92 0.5 SOT-23 0.25 0 0 25 50 75 100 TEMPERATURE (o C) 125 150 100 2N4125 PNP General Purpose Amplifier (continued) Typical Characteristics Input Impedance Voltage Feedback Ratio ) 10 100 h ie - INPUT IMPEDANCE (k Ω) _ 4 h re - VOLTAGE FEEDBACK RATIO (x10 (continued) 10 1 0.1 1 I C - COLLECTOR CURRENT (mA) 1 0.1 0.1 10 1 I C - COLLECTOR CURRENT (mA) 10 Current Gain 1000 V CE = 10 V f = 1.0 kHz 500 h fe - CURRENT GAIN h oe - OUTPUT ADMITTANCE ( µmhos) Output Admittance 1000 VCE = 10 V f = 1.0 kHz 100 V CE = 10 V f = 1.0 kHz 200 100 50 20 10 0.1 1 I C - COLLECTOR CURRENT (mA) 10 10 0.1 1 I C - COLLECTOR CURRENT (mA) 10 2N4125 PNP General Purpose Amplifier TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACEx™ Bottomless™ CoolFET™ CROSSVOLT™ DOME™ E2CMOSTM EnSignaTM FACT™ FACT Quiet Series™ FAST  FASTr™ GlobalOptoisolator™ GTO™ HiSeC™ ISOPLANAR™ MICROWIRE™ OPTOLOGIC™ OPTOPLANAR™ PACMAN™ POP™ PowerTrench  QFET™ QS™ QT Optoelectronics™ Quiet Series™ SILENT SWITCHER  SMART START™ SuperSOT™-3 SuperSOT™-6 SuperSOT™-8 SyncFET™ TinyLogic™ UHC™ VCX™ DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or 2. A critical component is any component of a life support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sustain life, or (c) whose support device or system, or to affect its safety or failure to perform when properly used in accordance with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Definition Advance Information Formative or In Design This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. Preliminary First Production This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. No Identification Needed Full Production This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. Rev. G Product Folder - Fairchild P/N 2N4125 - PNP General Purpose Amplifier Page 1 of 3 Careers | Sitema Go DATASHEETS, SAMPLES, BUY TECHNICAL INFORMATION APPLICATIONS DESIGN CENTER SUPPORT COMPANY INVESTORS MY FA Home >> Find products >> Related Links 2N4125 PNP General Purpose Amplifier Contents •General description •Product status/pricing/packaging •Order Samples •Models Request samples How to order products •Qualification Support Product Change Notices (PCNs) Datasheet Download this datasheet Support Sales support General description This device is designed for use as general purpose amplifiers and switches requiring collector currents of 10 µA to 100 mA. Quality and reliability e-mail this datasheet Design center back to top This page Print version Product status/pricing/packaging Product Product status Pb-free Status Pricing* Package type Leads Packing method Package Marking Convention** 2N4125BU Full Production $0.025 TO-92 3 BULK Line 1: 2N Line 2: 4125 Line 3: -&3 2N4125TA Full Production $0.025 TO-92 3 AMMO Line 1: 2N Line 2: 4125 Line 3: -&3 2N4125TAR Full Production $0.025 TO-92 3 AMMO Line 1: 2N Line 2: 4125 Line 3: -&3 2N4125TF Full Production $0.025 TO-92 3 TAPE REEL Line 1: 2N Line 2: 4125 Line 3: -&3 mhtml:file://C:\TEMP\2N4125TAR.mht 16-Aug-2007 Product Folder - Fairchild P/N 2N4125 - PNP General Purpose Amplifier 2N4125TFR Full Production $0.025 TO-92 Page 2 of 3 3 TAPE REEL Line 1: 2N Line 2: 4125 Line 3: -&3 * Fairchild 1,000 piece Budgetary Pricing ** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please contact a Fairchild distributor to obtain samples Indicates product with Pb-free second-level interconnect. For more information click here. Package marking information for product 2N4125 is available. Click here for more information . back to top Models Package & leads Condition Temperature range Electrical 25°C Software version Revision date N/A N/A PSPICE TO-92-3 back to top Qualification Support Click on a product for detailed qualification data Product 2N4125BU 2N4125TA 2N4125TAR 2N4125TF 2N4125TFR back to top © 2007 Fairchild Semiconductor mhtml:file://C:\TEMP\2N4125TAR.mht 16-Aug-2007 Product Folder - Fairchild P/N 2N4125 - PNP General Purpose Amplifier Page 3 of 3 Products | Design Center | Support | Company News | Investors | My Fairchild | Contact Us | Site Index | Privacy Policy | Site Terms & Conditions | Standard Terms & Conditions o mhtml:file://C:\TEMP\2N4125TAR.mht 16-Aug-2007