MMBTA42LT1

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MMBTA42LT1/D High Voltage Transistors NPN Silicon COLLECTOR 3 1 BASE 2 EMITTER Symbol VCEO VCBO VEBO IC MMBTA42 300 300 6.0 500 MMBTA43 200 200 6.0 Unit Vdc Vdc Vdc mAdc MMBTA42LT1* MMBTA43LT1 *Motorola Preferred Device 3 1 2 MAXIMUM RATINGS Rating Collector – Emitter Voltage Collector – Base Voltage Emitter – Base Voltage Collector Current — Continuous CASE 318 – 08, STYLE 6 SOT– 23 (TO – 236AB) DEVICE MARKING MMBTA42LT1 = 1D; MMBTA43LT1 = M1E THERMAL CHARACTERISTICS Characteristic Total Device Dissipation FR–5 Board,(1) TA = 25°C Derate above 25°C Thermal Resistance, Junction to Ambient Total Device Dissipation Alumina Substrate,(2) TA = 25°C Derate above 25°C Thermal Resistance, Junction to Ambient Junction and Storage Temperature Symbol PD Max 225 1.8 RqJA PD 556 300 2.4 RqJA TJ, Tstg 417 –55 to +150 Unit mW mW/°C °C/W mW mW/°C °C/W °C ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) Characteristic Symbol Min Max Unit OFF CHARACTERISTICS Collector – Emitter Breakdown Voltage(3) (IC = 1.0 mAdc, IB = 0) Collector – Base Breakdown Voltage (IC = 100 mAdc, IE = 0) Emitter – Base Breakdown Voltage (IE = 100 mAdc, IC = 0) Collector Cutoff Current (VCB = 200 Vdc, IE = 0) (VCB = 160 Vdc, IE = 0) Emitter Cutoff Current (VEB = 6.0 Vdc, IC = 0) (VEB = 4.0 Vdc, IC = 0) 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. 3. Pulse Test: Pulse Width ≤ 300 µs, Duty Cycle ≤ 2.0%. Thermal Clad is a trademark of the Bergquist Company Preferred devices are Motorola recommended choices for future use and best overall value. V(BR)CEO MMBTA42 MMBTA43 V(BR)CBO MMBTA42 MMBTA43 V(BR)EBO ICBO MMBTA42 MMBTA43 IEBO MMBTA42 MMBTA43 — — 0.1 0.1 — — 0.1 0.1 300 200 6.0 — — — 300 200 — — Vdc Vdc Vdc µAdc µAdc Motorola Small–Signal Transistors, FETs and Diodes Device Data © Motorola, Inc. 1996 1 MMBTA42LT1 MMBTA43LT1 ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued) Characteristic Symbol Min Max Unit ON CHARACTERISTICS(3) DC Current Gain (IC = 1.0 mAdc, VCE = 10 Vdc) (IC = 10 mAdc, VCE = 10 Vdc) (IC = 30 mAdc, VCE = 10 Vdc) Collector – Emitter Saturation Voltage (IC = 20 mAdc, IB = 2.0 mAdc) Base–Emitter Saturation Voltage (IC = 20 mAdc, IB = 2.0 mAdc) hFE Both Types Both Types MMBTA42 MMBTA43 VCE(sat) MMBTA42 MMBTA43 VBE(sat) — — — 0.5 0.5 0.9 Vdc 25 40 40 40 — — — — Vdc — SMALL– SIGNAL CHARACTERISTICS Current – Gain — Bandwidth Product (IC = 10 mAdc, VCE = 20 Vdc, f = 100 MHz) Collector–Base Capacitance (VCB = 20 Vdc, IE = 0, f = 1.0 MHz) 3. Pulse Test: Pulse Width MMBTA42 MMBTA43 fT Ccb — — 3.0 4.0 50 — MHz pF v 300 ms, Duty Cycle v 2.0%. 2 Motorola Small–Signal Transistors, FETs and Diodes Device Data MMBTA42LT1 MMBTA43LT1 200 VCE = 10 Vdc hFE, DC CURRENT GAIN TJ = +125°C 100 25°C 50 –55°C 30 20 1.0 2.0 3.0 5.0 7.0 10 IC, COLLECTOR CURRENT (mA) 20 30 50 70 100 Figure 1. DC Current Gain 100 50 C, CAPACITANCE (pF) 20 10 5.0 Ccb 0.5 1.0 2.0 5.0 10 20 50 VR, REVERSE VOLTAGE (VOLTS) Ceb f T, CURRENT–GAIN — BANDWIDTH PRODUCT (MHz) 100 70 50 TJ = 25°C VCE = 20 V f = 20 MHz 30 20 2.0 1.0 0.2 100 200 10 1.0 2.0 3.0 5.0 7.0 10 20 30 IC, COLLECTOR CURRENT (mA) 50 70 100 Figure 2. Capacitances Figure 3. Current–Gain — Bandwidth Product 1.4 1.2 V, VOLTAGE (VOLTS) 1.0 0.8 0.6 0.4 5.0 0.2 0 1.0 VCE(sat) @ IC/IB = 10 2.0 3.0 5.0 7.0 10 20 30 IC, COLLECTOR CURRENT (mA) 50 70 100 VBE(sat) @ IC/IB = 10 VBE(on) @ VCE = 10 V TJ = 25°C Figure 4. “On” Voltages Motorola Small–Signal Transistors, FETs and Diodes Device Data 3 MMBTA42LT1 MMBTA43LT1 INFORMATION FOR USING THE SOT–23 SURFACE MOUNT PACKAGE MINIMUM RECOMMENDED FOOTPRINT FOR SURFACE MOUNTED APPLICATIONS Surface mount board layout is a critical portion of the total design. The footprint for the semiconductor packages must be the correct size to insure proper solder connection interface between the board and the package. With the correct pad geometry, the packages will self align when subjected to a solder reflow process. 0.037 0.95 0.037 0.95 0.079 2.0 0.035 0.9 0.031 0.8 inches mm SOT–23 SOT–23 POWER DISSIPATION The power dissipation of the SOT–23 is a function of the pad size. This can vary from the minimum pad size for soldering to a pad size given for maximum power dissipation. Power dissipation for a surface mount device is determined by T J(max), the maximum rated junction temperature of the die, RθJA, the thermal resistance from the device junction to ambient, and the operating temperature, TA . Using the values provided on the data sheet for the SOT–23 package, PD can be calculated as follows: PD = TJ(max) – TA RθJA SOLDERING PRECAUTIONS The melting temperature of solder is higher than the rated temperature of the device. When the entire device is heated to a high temperature, failure to complete soldering within a short time could result in device failure. Therefore, the following items should always be observed in order to minimize the thermal stress to which the devices are subjected. • Always preheat the device. • The delta temperature between the preheat and soldering should be 100°C or less.* • When preheating and soldering, the temperature of the leads and the case must not exceed the maximum temperature ratings as shown on the data sheet. When using infrared heating with the reflow soldering method, the difference shall be a maximum of 10°C. • The soldering temperature and time shall not exceed 260°C for more than 10 seconds. • When shifting from preheating to soldering, the maximum temperature gradient shall be 5°C or less. • After soldering has been completed, the device should be allowed to cool naturally for at least three minutes. Gradual cooling should be used as the use of forced cooling will increase the temperature gradient and result in latent failure due to mechanical stress. • Mechanical stress or shock should not be applied during cooling. * Soldering a device without preheating can cause excessive thermal shock and stress which can result in damage to the device. The values for the equation are found in the maximum ratings table on the data sheet. Substituting these values into the equation for an ambient temperature TA of 25°C, one can calculate the power dissipation of the device which in this case is 225 milliwatts. PD = 150°C – 25°C 556°C/W = 225 milliwatts The 556°C/W for the SOT–23 package assumes the use of the recommended footprint on a glass epoxy printed circuit board to achieve a power dissipation of 225 milliwatts. There are other alternatives to achieving higher power dissipation from the SOT–23 package. Another alternative would be to use a ceramic substrate or an aluminum core board such as Thermal Clad™. Using a board material such as Thermal Clad, an aluminum core board, the power dissipation can be doubled using the same footprint. 4 Motorola Small–Signal Transistors, FETs and Diodes Device Data MMBTA42LT1 MMBTA43LT1 PACKAGE DIMENSIONS A L 3 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. MAXIUMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS. MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF BASE MATERIAL. BS 1 2 V G C D H K J DIM A B C D G H J K L S V 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 STYLE 6: PIN 1. BASE 2. EMITTER 3. COLLECTOR CASE 318–08 ISSUE AE SOT–23 (TO–236AB) Motorola Small–Signal Transistors, FETs and Diodes Device Data 5 MMBTA42LT1 MMBTA43LT1 Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. How to reach us: USA / EUROPE / Locations Not Listed: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036. 1–800–441–2447 or 602–303–5454 MFAX: RMFAX0@email.sps.mot.com – TOUCHTONE 602–244–6609 INTERNET: http://Design–NET.com JAPAN: Nippon Motorola Ltd.; Tatsumi–SPD–JLDC, 6F Seibu–Butsuryu–Center, 3–14–2 Tatsumi Koto–Ku, Tokyo 135, Japan. 03–81–3521–8315 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852–26629298 6 ◊ MMBTA42LT1/D Motorola Small–Signal Transistors, FETs and Diodes Device Data *MMBTA42LT1/D*