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| Continental Device India Limited An IS/ISO 9002 and IECQ Certified Manufacturer IS/ISO 9002 Lic# QSC/L- 000019.2 NPN SILICON PLANAR EPITAXIAL RF TRANSISTORS BF494 BF495 TO-92 Plastic Package High Voltage Video Transistors ABSOLUTE MAXIMUM RATINGS(Ta=25C unless specified otherwise) DESCRIPTION SYMBOL Collector Emitter Voltage Collector Base Voltage Emitter Base Voltage Collector Current (DC) Collector Current(peak value) Total Power dissipation up to Tamb = 25C Operating And Storage Junction Temperature Range THERMAL RESISTANCE Junction to ambient VCEO VCBO VEBO IC ICM Ptot Tj, Tstg Value 20 30 5 30 30 300 -55 to +150 UNITS V V V mA mA mW mW/C C Rth(j-a) 420 K/W ELECTRICAL CHARACTERISTICS (Ta=25C Unless Otherwise Specified) DESCRIPTION SYMBOL TEST CONDITION Min ICBO VCB=20V,IE=0 Collector Cut- off Current Collector Cut - off Current EmitterCut off Current Base Emitter Voltage DC Current Gain BF494 BF494A BF494B BF 495 BF 495C BF 495D ICBO IEBO VBE(ON) hFE * VCB=20V,IE=0 Ta =150 C VEB=4V, IC=0 VCE=10V,IC=1mA IC=1mA,VCE=10V 0.65 67 200 110 35 65 40 Max 500 4.0 500 0.74 221 500 215 125 135 85 UNITS nA A nA V Continental Device India Limited Data Sheet Page 1 of 4 NPN SILICON PLANAR EPITAXIAL RF TRANSISTORS BF494 BF495 TO-92 Plastic Package ELECTRICAL CHARACTERISTICS (Ta=25C Unless Specified Otherwise) DESCRIPTION SYMBOL TEST CONDITION Min DYNAMIC CHARACTERISTICS Transition Frequency Feedback Capacitance Max UNITS fT Cre IC=1mA, VCE=10V 120 1.0 MHz pF VCE=10V, IC=1mA f=4.5MHz *VBE decreases by about 1.7mV/K with increasing temperature. Continental Device India Limited Data Sheet Page 2 of 4 BF494 BF495 TO-92 Plastic Package TO-92 Plastic Package TO-92 Transistors on Tape and Ammo Pack Dimension With 'L' B Uncontrolled Ammo Pack Style MECHANICAL DATA T P h A A1 (p) Adhesive Tape on Top Side D FEE Carrier Strip 183 mm h LABEL FLAT SIDE A H1 H0 L W2 Wo W1 W L Solderability Ensured t1 t F1 F P2 Po F2 Do 331m m 42 mm Beyond 'L' K 1 2 3 D G AA Flat Side of Transistor and Adhesive Tape Visible 2000 pcs./Ammo Pack All dimensions in mm unless specified otherwise D 3 E 2 1 ITEM BODY WIDTH BODY HEIGHT BODY THICKNESS PITCH OF COMPONENT FEED HOLE PITCH FEED HOLE CENTRE TO COMPONENT CENTRE DISTANCE BETWEEN OUTER LEADS COMPONENT ALIGNMENT TAPE WIDTH HOLD-DOWN TAPE WIDTH HOLE POSITION HOLD-DOWN TAPE POSITION LEAD WIRE CLINCH HEIGHT COMPONENT HEIGHT LENGTH OF SNIPPED LEADS FEED HOLE DIAMETER TOTAL TAPE THICKNESS LEAD - TO - LEAD DISTANCEF1, CLINCH HEIGHT PULL - OUT FORCE SYMBOL A1 A T P Po P2 F h W Wo W1 W2 Ho H1 L Do t F2 H2 (P) SEC AA DIM MIN. 4.32 4.45 3.18 0.41 MAX. 5.33 5.20 4.19 0.55 F F 321 A B C D E F G H K L PIN CONFIGURATION 1. BASE 2. EMITTER 3. COLLECTOR 0.35 0.50 5 DEG 1.14 1.40 1.14 1.53 12.70 1.982 -- 2.082 SPECIFICATION REMARKS MIN. NOM. MAX. TOL . 4.8 4.0 5.2 4.8 4.2 3.9 12.7 1 12.7 0.3 CUMULATIVE PITCH ERROR 1.0 mm/20 PITCH 6.35 0.4 TO BE MEASURED AT BOTTOM OF CLINCH +0.6 5.08 -0.2 0 1 AT TOP OF BODY 18 0.5 6 0.2 9 +0.7 -0.5 0.5 0.2 16 0.5 23.25 11.0 4 0.2 1.2 t1 0.3 - 0.6 2.54 +0.4 -0.1 3 6N H C All diminsions in mm. NOTES 1. MAXIMUM ALIGNMENT DEVIATION BETWEEN LEADS NOT TO BE GREATER THAN 0.2 mm. 2. MAXIMUM NON-CUMULATIVE VARIATION BETWEEN TAPE FEED HOLES SHALL NOT EXCEED 1 mm IN 20 PITCHES. 3. HOLDDOWN TAPE NOT TO EXCEED BEYOND THE EDGE(S) OF CARRIER TAPE AND THERE SHALL BE NO EXPOSURE OF ADHESIVE. 4. NO MORE THAN 3 CONSECUTIVE MISSING COMPONENTS ARE PERMITTED. 5. A TAPE TRAILER, HAVING AT LEAST THREE FEED HOLES ARE REQUIRED AFTER THE LAST COMPONENT. 6. SPLICES SHALL NOT INTERFERE WITH THE SPROCKET FEED HOLES. Packing Detail PACKAGE TO-92 Bulk TO-92 T&A STANDARD PACK Details Net Weight/Qty 1K/polybag 200 gm/1K pcs 2K/ammo box 645 gm/2K pcs INNER CARTON BOX Size Qty 3" x 7.5" x 7.5" 5K 12.5" x 8" x 1.8" 2K Data Sheet OUTER CARTON BOX Size Qty Gr Wt 17" x 15" x 13.5" 80K 23 kgs 17" x 15" x 13.5" 32K 12.5 kgs Page 3 of 4 Continental Device India Limited Notes BF494 BF495 TO-92 Plastic Package Disclaimer The product information and the selection guides facilitate selection of the CDIL's Discrete Semiconductor Device(s) best suited for application in your product(s) as per your requirement. It is recommended that you completely review our Data Sheet(s) so as to confirm that the Device(s) meet functionality parameters for your application. The information furnished in the Data Sheet and on the CDIL Web Site/CD is believed to be accurate and reliable. CDIL however, does not assume responsibility for inaccuracies or incomplete information. Furthermore, CDIL does not assume liability whatsoever, arising out of the application or use of any CDIL product; neither does it convey any license under its patent rights nor rights of others. These products are not designed for use in life saving/support appliances or systems. CDIL customers selling these products (either as individual Discrete Semiconductor Devices or incorporated in their end products), in any life saving/support appliances or systems or applications do so at their own risk and CDIL will not be responsible for any damages resulting from such sale(s). CDIL strives for continuous improvement and reserves the right to change the specifications of its products without prior notice. CDIL is a registered Trademark of Continental Device India Limited C-120 Naraina Industrial Area, New Delhi 110 028, India. Telephone + 91-11-579 6150 Fax + 91-11-579 9569, 579 5290 www.cdil.com e-mail sales@cdil.com Continental Device India Limited Data Sheet Page 4 of 4 |
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