BF494 FOSHAN | Alldatasheet
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Technical content
Rev.E Mar.-2016 DATA SHEET http://www.fsbrec.com 1 / 6 TO-92 塑封封装 NPN 半导体三极管。Silicon NPN transistor in a TO-92 Plastic Package. 低电流,低电压。 Low current, low voltage. 用于高频收音机和电视机,调频旋转,低噪声调频振荡器。 HF applications in radio and television receivers, FM tuners, low noise AM mixer-oscillators. PIN1:Collector PIN 2 :Emitter PIN 3 :Base 放大及印章代码 / hFE Classifications & Marking 见印章说明。See Marking Instructions. 描述 / D e s c r i p t i o n s 特征 / Features 用途 / Applications 内部等效电路 / Equivalent Circuit 引脚排列 / P i n n i n g 1 2 3
Rev.E Mar.-2016 DATA SHEET http://www.fsbrec.com 2 / 6 参数 Parameter 符号 Symbol 数值 Rating 单位 Unit Collector to Base Voltage VCBO 30 V Collector to Emitter Voltage VCEO 20 V Emitter to Base Voltage V EBO 5.0 V Collector Current - Continuous I C 30 mA Peak Collector Current I CM 30 mA Collector Power Dissipation P C 300 mW Junction Temperature Tj 150 ℃ Storage Temperature Range Tstg -55~150 ℃ 参数 Parameter 符号 Symbol 测试条件 Test Conditions 最小值 Min 典型值 Typ 最大值 Max 单位 Unit Collector Cut-Off Current I CBO VCB=20V IE=0 0.1 μA Emitter Cut-Off Current I EBO VEB=4.0V IC=0 0.04 μA DC Current Gain h FE V CE=10V IC=1.0mA 67 220 Base -Emitter Voltage V BE VCE=10V IC=1.0mA 0.65 0.74 V Transition Frequency f T VCE=10V IC=1.0mA f=100MHz 120 MHz Reverse Transfer Capacitance Cre VCB=10V IC=0 f=1.0MHz 1.0 pF 极限参数 / Absolute Maximum Ratings(Ta=25 ℃) 电性能参数 / Electrical Characteristics(Ta=25 ℃)
Rev.E Mar.-2016 DATA SHEET http://www.fsbrec.com 3 / 6 电参数曲线图 / Electrical Characteristic Curve
Rev.E Mar.-2016 DATA SHEET http://www.fsbrec.com 4 / 6 外形尺寸图 / Package Dimensions
Rev.E Mar.-2016 DATA SHEET http://www.fsbrec.com 5 / 6 印章说明 / Marking Instructions 说明: BF494: 为产品型号 Note: BR: Company Code. BF494: Product Type. **: Lot No. Code,code change with Lot No. BR ** BF494
Rev.E Mar.-2016 DATA SHEET http://www.fsbrec.com 6 / 6 波峰焊温度曲线图(无铅) / Temperature Profile for Dip Soldering(Pb-Free) 说明: N o t e : 1、预热温度 25~150℃,时间 60~90sec; 1.Preheating:25~150 ℃, Time:60~90sec. 3、焊接制程冷却速度为 2~10℃/sec. 3. Cooling Speed: 2~10 ℃/sec. 耐焊接热试验条件 / Resistance to Soldering Heat Test Conditions 温度:270±5℃ 时间:10±1 sec. Temp:270±5 ℃ Time:10±1 sec 包装规格 / Packaging SPEC. 散件包装 / B U L K Package Type 封装形式 Units 包装数量 Dimension 包装尺寸 (unit :mm3) Units/Bag 只/袋 Bags/Inner Box 袋/盒 Units/Inner Box 只/盒 Inner Boxes/Outer Box 盒/箱 Units/Outer Box 只/箱 Bag 袋 Inner Box 盒 Outer Box 箱 TO-92 1,000 10 10,000 5 50,000 135×190 237×172×102 560×245×195 1,000 10 10,000 10 100,000 135×190 237×172×102 560×245×375 编带包装 / A M M O Package Type 封装形式 Units 包装数量 Dimension 包装尺寸 (unit :mm3) Units/tape 只/纸带 Tape/Inner Box 纸带/盒 Rows/Inner Box 纸带层/盒 Inner Boxes/Outer Box 盒/箱 Units/Outer Box 只/箱 Inner Box 盒 Outer Box 箱 TO-92 3,000 1 120 10 30,000 328×230×42 小箱 480×346×235, 大箱 547×407×268 使用说明 / N o t i c e s