MMBT6427LT1 Preferred Device Darlington Transistor NPN Silicon Features • Pb−Free Package is Available http://onsemi.com MAXIMUM RATINGS Rating COLLECTOR 3 Symbol Value Unit Collector −Emitter Voltage VCEO 40 Vdc Collector −Base Voltage VCBO 40 Vdc Emitter −Base Voltage VEBO 12 Vdc IC 500 mAdc Symbol Max Unit 225 1.8 mW mW/°C 556 °C/W 300 2.4 mW mW/°C Collector Current − Continuous BASE 1 EMITTER 2 THERMAL CHARACTERISTICS Characteristic Total Device Dissipation FR−5 Board, (Note 1) TA = 25°C Derate above 25°C 1 PD Thermal Resistance, Junction−to−Ambient RqJA Total Device Dissipation Alumina Substrate, (Note 2) TA = 25°C Derate above 25°C PD Thermal Resistance, Junction−to−Ambient RqJA 417 °C/W TJ, Tstg −55 to +150 °C Junction and Storage Temperature 3 2 SOT−23 (TO−236) CASE 318 STYLE 6 MARKING DIAGRAM Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. 1. FR−5 = 1.0 x 0.75 x 0.062 in. 2. Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina. 1V M G G 1 1V = Device Code M = Date Code* G = Pb−Free Package (Note: Microdot may be in either location) *Date Code orientation and/or overbar may vary depending upon manufacturing location. ORDERING INFORMATION Device Package Shipping † MMBT6427LT1 SOT−23 3,000 / Tape & Reel MMBT6427LT1G SOT−23 3,000 / Tape & Reel (Pb−Free) †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. Preferred devices are recommended choices for future use and best overall value. © Semiconductor Components Industries, LLC, 2006 February, 2006 − Rev. 2 1 Publication Order Number: MMBT6427LT1/D MMBT6427LT1 ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) Characteristic Symbol Min Max 40 − 40 − 12 − − 1.0 − 50 − 50 10,000 20,000 14,000 100,000 200,000 140,000 − − 1.2 1.5 − 2.0 − 1.75 − 7.0 − 15 1.3 − − 10 Unit OFF CHARACTERISTICS Collector −Emitter Breakdown Voltage (IC = 10 mAdc, VBE = 0) V(BR)CEO Collector −Base Breakdown Voltage (IC = 100 mAdc, IE = 0) V(BR)CBO Emitter −Base Breakdown Voltage (IC = 10 mAdc, IC = 0) V(BR)EBO Collector Cutoff Current (VCE = 25 Vdc, IB = 0) ICES Collector Cutoff Current (VCB = 30 Vdc, IE = 0) ICBO Emitter Cutoff Current (VEB = 10 Vdc, IC = 0) IEBO Vdc Vdc Vdc mAdc nAdc nAdc ON CHARACTERISTICS DC Current Gain (IC = 10 mAdc, VCE = 5.0 Vdc) (IC = 100 mAdc, VCE = 5.0 Vdc) (IC = 500 mAdc, VCE = 5.0 Vdc) hFE Collector −Emitter Saturation Voltage (IC = 50 mAdc, IB = 0.5 mAdc) (IC = 500 mAdc, IB = 0.5 mAdc) VCE(sat)(3) Base −Emitter Saturation Voltage (IC = 500 mAdc, IB = 0.5 mAdc) VBE(sat) Base −Emitter On Voltage (IC = 50 mAdc, VCE = 5.0 Vdc) VBE(on) − Vdc Vdc Vdc SMALL− SIGNAL CHARACTERISTICS Output Capacitance (VCB = 10 Vdc, IE = 0, f = 1.0 MHz) Cobo Input Capacitance (VEB = 0.5 Vdc, IC = 0, f = 1.0 MHz) Cibo Current Gain − High Frequency (IC = 10 mAdc, VCE = 5.0 Vdc, f = 100 MHz) |hfe| Noise Figure (IC = 1.0 mAdc, VCE = 5.0 Vdc, RS = 100 kW, f = 1.0 kHz) NF 3. Pulse Test: Pulse Width = 300 ms, Duty Cycle = 2.0%. RS in en IDEAL TRANSISTOR Figure 1. Transistor Noise Model http://onsemi.com 2 pF pF Vdc dB MMBT6427LT1 NOISE CHARACTERISTICS (VCE = 5.0 Vdc, TA = 25°C) 2.0 BANDWIDTH = 1.0 Hz RS ≈ 0 200 BANDWIDTH = 1.0 Hz i n, NOISE CURRENT (pA) en, NOISE VOLTAGE (nV) 500 100 10 mA 50 100 mA 20 IC = 1.0 mA 10 1.0 0.7 0.5 IC = 1.0 mA 0.3 0.2 100 mA 0.1 0.07 0.05 10 mA 0.03 5.0 10 20 50 100 200 500 1k 2k 5k 10k 20k f, FREQUENCY (Hz) 0.02 10 20 50k 100k 50 100 200 50k 100k Figure 3. Noise Current 14 200 BANDWIDTH = 10 Hz TO 15.7 kHz 12 BANDWIDTH = 10 Hz TO 15.7 kHz 100 NF, NOISE FIGURE (dB) VT, TOTAL WIDEBAND NOISE VOLTAGE (nV) Figure 2. Noise Voltage 500 1k 2k 5k 10k 20k f, FREQUENCY (Hz) IC = 10 mA 70 50 100 mA 30 20 1.0 mA 10 1.0 2.0 10 10 mA 8.0 100 mA 6.0 4.0 IC = 1.0 mA 2.0 5.0 10 20 50 100 200 RS, SOURCE RESISTANCE (kW) 500 1000 0 1.0 Figure 4. Total Wideband Noise Voltage 2.0 5.0 10 20 50 100 200 RS, SOURCE RESISTANCE (kW) Figure 5. Wideband Noise Figure http://onsemi.com 3 500 1000 MMBT6427LT1 SMALL−SIGNAL CHARACTERISTICS 4.0 |h fe |, SMALL−SIGNAL CURRENT GAIN C, CAPACITANCE (pF) 20 TJ = 25°C 10 7.0 Cibo Cobo 5.0 3.0 2.0 0.04 0.1 0.2 0.4 1.0 2.0 4.0 10 VR, REVERSE VOLTAGE (VOLTS) 20 2.0 1.0 0.8 0.6 0.4 0.2 0.5 40 200k hFE , DC CURRENT GAIN TJ = 125°C 25°C 30k 20k 10k 7.0k 5.0k −55 °C VCE = 5.0 V 3.0k 2.0k 5.0 7.0 10 20 30 50 70 100 200 300 IC, COLLECTOR CURRENT (mA) 500 RθV, TEMPERATURE COEFFICIENTS (mV/°C) TJ = 25°C V, VOLTAGE (VOLTS) 1.4 VBE(sat) @ IC/IB = 1000 1.2 VBE(on) @ VCE = 5.0 V 1.0 VCE(sat) @ IC/IB = 1000 5.0 7.0 10 0.5 10 20 50 100 200 IC, COLLECTOR CURRENT (mA) 500 TJ = 25°C 2.5 IC = 10 mA 50 mA 250 mA 500 mA 2.0 1.5 1.0 0.5 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 100 200 IB, BASE CURRENT (mA) 500 1000 Figure 9. Collector Saturation Region 1.6 0.6 2.0 3.0 Figure 8. DC Current Gain 0.8 1.0 Figure 7. High Frequency Current Gain VCE , COLLECTOR−EMITTER VOLTAGE (VOLTS) Figure 6. Capacitance 100k 70k 50k VCE = 5.0 V f = 100 MHz TJ = 25°C 20 30 50 70 100 200 300 IC, COLLECTOR CURRENT (mA) 500 −1.0 −2.0 *APPLIES FOR IC/IB ≤ hFE/3.0 25°C TO 125°C *RqVC FOR VCE(sat) −55 °C TO 25°C −3.0 25°C TO 125°C −4.0 qVB FOR VBE −5.0 −55 °C TO 25°C −6.0 5.0 7.0 10 Figure 10. “On” Voltages 20 30 50 70 100 200 300 IC, COLLECTOR CURRENT (mA) Figure 11. Temperature Coefficients http://onsemi.com 4 500 r(t), TRANSIENT THERMAL RESISTANCE (NORMALIZED) MMBT6427LT1 1.0 0.7 0.5 D = 0.5 0.2 0.3 0.2 0.1 0.05 SINGLE PULSE 0.1 0.07 0.05 SINGLE PULSE ZqJC(t) = r(t) • RqJCTJ(pk) − TC = P(pk) ZqJC(t) ZqJA(t) = r(t) • RqJATJ(pk) − TA = P(pk) ZqJA(t) 0.03 0.02 0.01 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 t, TIME (ms) 100 200 500 Figure 12. Thermal Response FIGURE A tP PP PP t1 1/f t DUTYCYCLE + t1f + 1 tP PEAK PULSE POWER = PP Design Note: Use of Transient Thermal Resistance Data http://onsemi.com 5 1.0k 2.0k 5.0k 10k MMBT6427LT1 PACKAGE DIMENSIONS SOT−23 (TO−236) CASE 318−08 ISSUE AN NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS. MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF BASE MATERIAL. 4. 318−01 THRU −07 AND −09 OBSOLETE, NEW STANDARD 318−08. D SEE VIEW C 3 HE E c 1 2 b DIM A A1 b c D E e L L1 HE 0.25 e q A L A1 L1 MIN 0.89 0.01 0.37 0.09 2.80 1.20 1.78 0.10 0.35 2.10 MILLIMETERS NOM MAX 1.00 1.11 0.06 0.10 0.44 0.50 0.13 0.18 2.90 3.04 1.30 1.40 1.90 2.04 0.20 0.30 0.54 0.69 2.40 2.64 MIN 0.035 0.001 0.015 0.003 0.110 0.047 0.070 0.004 0.014 0.083 INCHES NOM 0.040 0.002 0.018 0.005 0.114 0.051 0.075 0.008 0.021 0.094 MAX 0.044 0.004 0.020 0.007 0.120 0.055 0.081 0.012 0.029 0.104 STYLE 6: PIN 1. BASE 2. EMITTER 3. COLLECTOR VIEW C SOLDERING FOOTPRINT* 0.95 0.037 0.95 0.037 2.0 0.079 0.9 0.035 SCALE 10:1 0.8 0.031 mm Ǔ ǒinches *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. 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