BF421 MOTOROLA | Alldatasheet

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1Motorola Small–Signal Transistors, FETs and Diodes Device Data /C0072/C0105/C0103/C0104 /C0086/C0111/C0108/C0116/C0097/C0103/C0101 /C0084/C0114/C0097/C0110/C0115/C0105/C0115/C0116/C0111/C0114/C0115 PNP Silicon MAXIMUM RATINGS Rating Symbol BF421 BF423 Unit Collector–Emitter Voltage VCEO –300 –250 Vdc Collector–Base Voltage VCBO –300 –250 Vdc Emitter–Base Voltage VEBO –5.0 Vdc Collector Current — Continuous IC –500 mAdc Total Device Dissipation @ T A = 25°C Derate above 25°C PD 625 5.0 mW mW/ °C Total Device Dissipation @ T C = 25°C Derate above 25°C PD 1.5 Watts mW/ °C Operating and Storage Junction Temperature Range TJ, Tstg –55 to +150 °C THERMAL CHARACTERISTICS Characteristic Symbol Max Unit Thermal Resistance, Junction to AmbientR /C0113JA 200 °C/W Thermal Resistance, Junction to Case R /C0113JC 83.3 °C/W ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) Characteristic Symbol Min Max Unit OFF CHARACTERISTICS Collector–Emitter Breakdown Voltage (1) (IC = –1.0 mAdc, IB = 0) BF421 BF423 V(BR)CEO –300 –250 Vdc Collector–Base Breakdown Voltage (IC = –100 /C0109Adc, IE = 0) BF421 BF423 V(BR)CBO –300 –250 Vdc Emitter–Base Breakdown Voltage (IE = –100 /C0109Adc, IC = 0) BF421 BF423 V(BR)EBO –5.0 –5.0 Vdc Collector Cutoff Current (VCB = –200 Vdc, IE = 0) BF421 BF423 ICBO –0.01 /C0109Adc Emitter Cutoff Current (VEB = –5.0 Vdc, IC = 0) BF421 BF423 IEBO –100 nAdc 1. Pulse Test: Pulse Width /C0118 300 /C0109s; Duty Cycle /C0118 2.0%. Order this document by BF421/D /C0077/C0079/C0084/C0079/C0082/C0079/C0076/C0065 SEMICONDUCTOR TECHNICAL DATA /C0066/C0070/C0052/C0050/C0049 /C0066/C0070/C0052/C0050/C0051 CASE 29–04, STYLE 14 TO–92 (TO–226AA) 2 3  Motorola, Inc. 1996 COLLECTOR BASE EMITTER

/C0066/C0070/C0052/C0050/C0049 /C0066/C0070/C0052/C0050/C0051

2 Motorola Small–Signal Transistors, FETs and Diodes Device Data

ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued) Characteristic Symbol Min Max Unit ON CHARACTERISTICS DC Current Gain (IC = –25 mA, VCE = –20 Vdc) BF421 BF423 hFE Collector–Emitter Saturation Voltage (IC = –20 mAdc, IB = –2.0 mAdc) VCE(sat) — –0.5 Vdc Base–Emitter Saturation Voltage (IC = –20 mA, IB = –2.0 mA) VBE(sat) — –2.0 Vdc SMALL–SIGNAL CHARACTERISTICS Current–Gain — Bandwidth Product (IC = –10 mAdc, VCE = –10 Vdc, f = 20 MHz) fT 60 — MHz Common Emitter Feedback Capacitance (VCB = –30 Vdc, IE = 0, f = 1.0 MHz) C re — 2.8 pF

Figure 1. DC Current Gain Figure 2. Capacitances Figure 3. Current–Gain — Bandwidth Product Figure 4. “On” Voltages Figure 5. Active Region — Safe Operating Area

1.5 WATT THERMAL

/C0066/C0070/C0052/C0050/C0049 /C0066/C0070/C0052/C0050/C0051

4 Motorola Small–Signal Transistors, FETs and Diodes Device Data

NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. CONTOUR OF PACKAGE BEYOND DIMENSION R IS UNCONTROLLED. 4. DIMENSION F APPLIES BETWEEN P AND L. DIMENSION D AND J APPLY BETWEEN L AND K MINIMUM. LEAD DIMENSION IS UNCONTROLLED IN P AND BEYOND DIMENSION K MINIMUM. R A P J L F B K G H SECTION X–X CV D N N X X SEATING PLANE DIM MIN MAX MIN MAX MILLIMETERSINCHES A 0.175 0.205 4.45 5.20 B 0.170 0.210 4.32 5.33 C 0.125 0.165 3.18 4.19 D 0.016 0.022 0.41 0.55 F 0.016 0.019 0.41 0.48 G 0.045 0.055 1.15 1.39 H 0.095 0.105 2.42 2.66 J 0.015 0.020 0.39 0.50 N 0.080 0.105 2.04 2.66 CASE 029–04 (TO–226AA) ISSUE AD STYLE 14: PIN 1. EMITTER 2. COLLECTOR 3. BASE 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;JAPAN : Nippon Motorola Ltd.; T atsumi–SPD–JLDC, 6F Seibu–Butsuryu–Center, P .O. Box 20912; Phoenix, Arizona 85036. 1–800–441–2447 or 602–303–5454 3–14–2 T atsumi Koto–Ku, Tokyo 135, Japan. 03–81–3521–8315 INTERNET : http://Design–NET .com 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852–26629298 BF421/D /C0042/C0066/C0070/C0052/C0050/C0049/C0047/C0068/C0042