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| LESHAN RADIO COMPANY, LTD. Bias Resistor Transistors PNP Silicon Surface Mount Transistors with Monolithic Bias Resistor Network This new series of digital transistors is designed to replace a single device and its external resistor bias network. The BRT (Bias Resistor Transistor) contains a single transistor with a monolithic bias network consisting of two resistors; a series base resistor and a base-emitter resistor. The BRT eliminates these individual components by integrating them into a single device. The use of a BRT can reduce both system cost and board space. The device is housed in the SOT-23 package which is designed for low power surface mount applications. * Simplifies Circuit Design * Reduces Board Space * Reduces Component Count * The SOT-23 package can be soldered using wave or reflow. The modified gull-winged leads absorb thermal stress during soldering eliminating the possibility of damage to the die. * Pb-Free Package is Available. LMUN2135LT1 3 1 2 SOT-23 (TO-236AB) PIN 1 BASE (INPUT) R1 R2 PIN 3 COLLECTOR (OUTPUT) PIN 2 EMITTER (GROUND) MAXIMUM RATINGS (TA = 25C unless otherwise noted) Rating Collector-Base Voltage Collector-Emitter Voltage Collector Current Symbol VCBO VCEO IC Value 50 50 100 Unit Vdc Vdc mAdc THERMAL CHARACTERISTICS Characteristic Total Device Dissipation TA = 25C Derate above 25C Thermal Resistance - Junction-to-Ambient Thermal Resistance - Junction-to-Lead Junction and Storage Temperature Range 1. FR-4 @ Minimum Pad 2. FR-4 @ 1.0 x 1.0 inch Pad Symbol PD Max 230 (Note 1) 338 (Note 2) 1.8 (Note 1) 2.7 (Note 2) 540 (Note 1) 370 (Note 2) 264 (Note 1) 287 (Note 2) -55 to +150 Unit mW C/W C/W C/W C RJA RJL TJ, Tstg ORDERING INFORMATION Device LMUN2135LT1 LMUN2135LT1G Marking A6M A6M (Pb-Free) Shipping 3000/Tape&Reel 3000/Tape&Reel LMUN2135LT1-1/4 LESHAN RADIO COMPANY, LTD. LMUN2135LT1 ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted) (Continued) Characteristic Symbol Min Typ Max Unit OFF CHARACTERISTICS Collector-Base Cutoff Current (VCB = 50 V, IE = 0) Collector-Emitter Cutoff Current (VCE = 50 V, IB = 0) Emitter-Base Cutoff Current (VBE = 6.0 V) Collector-Base Breakdown Voltage (IC = 10 A, IE = 0) Collector-Emitter Breakdown Voltage (Note 3) (IC = 2.0 mA, IB = 0) ICBO ICEO IEBO V(BR)CBO V(BR)CEO - - - 50 50 - - - - - 100 500 0.2 - - nAdc nAdc mAdc Vdc Vdc ON CHARACTERISTICS (Note 3) DC Current Gain (VCE = 10 V, IC = 5.0 mA) Collector-Emitter Saturation Voltage (IC = 10 mA, IB = 1 mA) Output Voltage (on) (VCC = 5.0 V, VB = 2.5 V, RL = 1.0 k) Output Voltage (off) (VCC = 5.0 V, VB = 0.25 V, RL = 1.0 k) Input Resistor Resistor Ratio hFE VCE(sat) VOL VOH R1 R1/R2 80 - - - - 0.25 0.2 - 2.86 0.056 Vdc Vdc Vdc k - 4.9 1.54 0.038 - - 2.2 0.047 3. Pulse Test: Pulse Width < 300 s, Duty Cycle < 2.0% LMUN2135LT1-2/4 LESHAN RADIO COMPANY, LTD. TYPICAL ELECTRICAL CHARACTERISTICS -- LMUN2135LT1 VCE(sat), COLLECTOR VOLTAGE (VOLTS) 1 IC/IB = 10 75C 0.1 -25C 25C hFE, DC CURRENT GAIN 75C 100 1000 VCE = 10 V TA = -25C 25C 0.01 10 0.001 0 20 40 30 10 IC, COLLECTOR CURRENT (mA) 50 1 1 10 IC, COLLECTOR CURRENT (mA) 100 Figure 1. VCE(sat) versus IC Figure 2. DC Current Gain 12 10 8 6 4 2 0 0 5 10 15 20 25 30 35 40 45 VR, REVERSE BIAS VOLTAGE (VOLTS) 50 IC, COLLECTOR CURRENT (mA) f = 1 MHz lE = 0 V TA = 25C 100 75C Cob, CAPACITANCE (pF) 10 25C 1 TA = -25C 0.1 0.01 VO = 5 V 0 1 2 3 4 5 6 7 8 Vin, INPUT VOLTAGE (VOLTS) 9 10 0.001 Figure 3. Output Capacitance Figure 4. Output Current versus Input Voltage 10 Vin, INPUT VOLTAGE (VOLTS) TA = -25C 1 75C 25C VO = 0.2 V 0.1 0 10 20 30 40 IC, COLLECTOR CURRENT (mA) 50 Figure 5. Input Voltage versus Output Current LMUN2135LT1-3/4 LESHAN RADIO COMPANY, LTD. LMUN2135LT1 SOT-23 NOTES: A L 3 1 2 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. BS DIM A B C D G H J K L S V V G C D H K J INCHES MIN MAX 0.1102 0.1197 0.0472 0.0551 0.0350 0.0440 0.0150 0.0200 0.0701 0.0807 0.0005 0.0040 0.0034 0.0070 0.0140 0.0285 0.0350 0.0401 0.0830 0.1039 0.0177 0.0236 MILLIMETERS MIN MAX 2.80 3.04 1.20 1.40 0.89 1.11 0.37 0.50 1.78 2.04 0.013 0.100 0.085 0.177 0.35 0.69 0.89 1.02 2.10 2.64 0.45 0.60 PIN 1. ANODE 2. NO CONNECTION 3. CATHODE 0.037 0.95 0.037 0.95 0.079 2.0 0.035 0.9 0.031 0.8 inches mm LMUN2135LT1- 4/4 |
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