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Characteristic Symbol Symbol TJ, Tstg VCBO VCEO VEBO JC PD IC IB - 55 to + 150 Value Max 100 5.0 1.0 2.0 5.0 25 80 V(BR)CEO VCE(sat) VBE(on) Symbol ICBO IEBO hFE1 hFE2 fT Watts _C/W Unit Unit Adc Adc Vdc Vdc Vdc _C Min 3.0 40 25 80 -- -- -- -- 2.0 AMPERES POWER TRANSISTORS NPN SILICON 80 VOLTS 25 WATTS BD237 CASE 77-08 TO-225AA TYPE Max Order this document by BD237/D 1.3 0.6 1.0 0.1 -- -- -- -- mAdc mAdc MHz Unit Vdc Vdc Vdc 1 BD237 10 IC, COLLECTOR CURRENT (AMP) 100 s 1 ms 5 ms 1 TJ = 150C dc 3 0.3 BD236 BD237 3 10 30 VCE, COLLECTOR-EMITTER VOLTAGE (VOLTS) The Safe Operating Area Curves indicate IC - VCE limits below which the device will not enter secondary breakdown. Collector load lines for specific circuits must fall within the applicable Safe Area to avoid causing a catastrophic failure. To insure operation below the maximum TJ, power-temperature derating must be observed for both steady state and pulse power conditions. 0.1 1 100 Figure 1. Active Region Safe Operating Area VCE , COLLECTOR-EMITTER VOLTAGE (VOLTS) 1.0 0.8 IC = 0.1 A 0.25 A 0.5 A 1.0 A 0.6 TJ = 25C 0.4 0.2 0 0.2 0.3 0.5 1.0 2.0 3.0 10 5.0 IB, BASE CURRENT (mA) 1.5 20 30 50 100 200 Figure 2. Collector Saturation Region hFE , DC CURRENT GAIN (NORMALIZED) 1000 700 500 300 200 100 70 50 30 20 10 2.0 3.0 5.0 TJ = + 150C TJ = + 25C TJ = + 55C VOLTAGE (VOLTS) 0.9 VBE(sat) @ IC/IB = 10 0.6 VBE @ VCE = 2.0 V 0.3 VCE(sat) @ IC/IB = 10 10 20 30 50 100 200 300 500 1000 2000 IC, COLLECTOR CURRENT (mA) 0 2.0 3.0 5.0 10 20 30 50 100 200 300 500 1000 2000 IC, COLLECTOR CURRENT (mA) VCE = 2.0 V TJ = 25C 1.2 Figure 3. Current Gain r(t), NORMALIZED EFFECTIVE TRANSIENT THERMAL RESISTANCE 1.0 0.7 0.5 0.3 0.2 0.1 0.07 0.05 0.03 0.02 0.01 0.01 0.02 0.03 0.05 0.1 0.2 0.3 0.5 D = 0.5 D = 0.2 D = 0.1 D = 0.05 D = 0.01 SINGLE PULSE Figure 4. "On" Voltages JC(t) = r(t) JC JC = 4.16C/W MAX JC = 3.5C/W TYP D CURVES APPLY FOR POWER PULSE TRAIN SHOWN READ TIME AT t1 TJ(pk) - TC = P(pk) JC(t) P(pk) t1 t2 DUTY CYCLE, D = t1/t2 100 200 300 500 1000 1.0 2.0 3.0 5.0 10 t, TIME or PULSE WIDTH (ms) 20 30 50 Figure 5. Thermal Response 2 Motorola Bipolar Power Transistor Device Data BD237 PACKAGE DIMENSIONS -B- U Q F M C NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. DIM A B C D F G H J K M Q R S U V INCHES MIN MAX 0.425 0.435 0.295 0.305 0.095 0.105 0.020 0.026 0.115 0.130 0.094 BSC 0.050 0.095 0.015 0.025 0.575 0.655 5 _ TYP 0.148 0.158 0.045 0.055 0.025 0.035 0.145 0.155 0.040 --- MILLIMETERS MIN MAX 10.80 11.04 7.50 7.74 2.42 2.66 0.51 0.66 2.93 3.30 2.39 BSC 1.27 2.41 0.39 0.63 14.61 16.63 5 _ TYP 3.76 4.01 1.15 1.39 0.64 0.88 3.69 3.93 1.02 --- -A- 123 H K V G S D 2 PL 0.25 (0.010) M J R 0.25 (0.010) A M A M M B M B M STYLE 1: PIN 1. EMITTER 2. COLLECTOR 3. BASE CASE 77-08 TO-225AA TYPE ISSUE V Motorola Bipolar Power Transistor Device Data 3 BD237 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 can and do vary in different applications. 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: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036. 1-800-441-2447 MFAX: RMFAX0@email.sps.mot.com - TOUCHTONE (602) 244-6609 INTERNET: http://Design-NET.com JAPAN: Nippon Motorola Ltd.; Tatsumi-SPD-JLDC, Toshikatsu Otsuki, 6F Seibu-Butsuryu-Center, 3-14-2 Tatsumi Koto-Ku, Tokyo 135, Japan. 03-3521-8315 HONG KONG: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852-26629298 4 Motorola Bipolar Power Transistor Device Data *BD237/D* BD237/D |
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