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BD245A

BD245A

  • 厂商:

    BOURNS(伯恩斯)

  • 封装:

  • 描述:

    BD245A - NPN SILICON POWER TRANSISTORS - Bourns Electronic Solutions

  • 详情介绍
  • 数据手册
  • 价格&库存
BD245A 数据手册
BD245, BD245A, BD245B, BD245C NPN SILICON POWER TRANSISTORS ● ● ● ● ● Designed for Complementary Use with the BD246 Series 80 W at 25°C Case Temperature 10 A Continuous Collector Current 15 A Peak Collector Current Customer-Specified Selections Available C B SOT-93 PACKAGE (TOP VIEW) 1 2 E 3 Pin 2 is in electrical contact with the mounting base. MDTRAAA absolute maximum ratings at 25°C case temperature (unless otherwise noted) RATING BD245 Collector-emitter voltage (RBE = 100 Ω) BD245A BD245B BD245C BD245 Collector-emitter voltage (IC = 30 mA) BD245A BD245B BD245C Emitter-base voltage Continuous collector current Peak collector current (see Note 1) Continuous base current Continuous device dissipation at (or below) 25°C case temperature (see Note 2) Continuous device dissipation at (or below) 25°C free air temperature (see Note 3) Unclamped inductive load energy (see Note 4) Operating junction temperature range Storage temperature range Lead temperature 3.2 mm from case for 10 seconds NOTES: 1. 2. 3. 4. VEBO IC ICM IB Ptot Ptot ½LIC2 Tj Tstg TL V CEO VCER SYMBOL VALUE 55 70 90 115 45 60 80 100 5 10 15 3 80 3 62.5 -65 to +150 -65 to +150 250 V A A A W W mJ °C °C °C V V UNIT This value applies for tp ≤ 0.3 ms, duty cycle ≤ 10%. Derate linearly to 150°C case temperature at the rate of 0.64 W/°C. Derate linearly to 150°C free air temperature at the rate of 24 mW/°C. This rating is based on the capability of the transistor to operate safely in a circuit of: L = 20 mH, IB(on) = 0.4 A, RBE = 100 Ω, VBE(off) = 0, RS = 0.1 Ω, VCC = 20 V. JUNE 1973 - REVISED SEPTEMBER 2002 Specifications are subject to change without notice. NOITAMROFNI TCUDORP 1 BD245, BD245A, BD245B, BD245C NPN SILICON POWER TRANSISTORS electrical characteristics at 25°C case temperature PARAMETER Collector-emitter breakdown voltage TEST CONDITIONS BD245 V(BR)CEO IC = 30 mA (see Note 5) VCE = 55 V ICES Collector-emitter cut-off current Collector cut-off current Emitter cut-off current Forward current transfer ratio Collector-emitter saturation voltage Base-emitter voltage Small signal forward current transfer ratio Small signal forward current transfer ratio VCE = 70 V VCE = 90 V VCE = 115 V ICEO IEBO VCE = 30 V VCE = 60 V VEB = VCE = VCE = VCE = IB = IB = VCE = VCE = 5V 4V 4V 4V 0.3 A 2.5 A 4V 4V VBE = 0 VBE = 0 VBE = 0 VBE = 0 IB = 0 IB = 0 IC = 0 IC = IC = IC = IC = 1A 3A 3A 3A (see Notes 5 and 6) 40 20 4 (see Notes 5 and 6) (see Notes 5 and 6) f = 1 kHz f = 1 MHz 20 3 1 4 1.6 3 V V IB = 0 BD245A BD245B BD245C BD245 BD245A BD245B BD245C BD245/245A BD245B/245C MIN 45 60 80 100 0.4 0.4 0.4 0.4 0.7 0.7 1 mA mA mA V TYP MAX UNIT hFE IC = 10 A IC = 10 A IC = 10 A IC = 0.5 A IC = 0.5 A V CE(sat) VBE hfe VCE = 10 V VCE = 10 V |hfe | NOTES: 5. These parameters must be measured using pulse techniques, tp = 300 µs, duty cycle ≤ 2%. 6. These parameters must be measured using voltage-sensing contacts, separate from the current carrying contacts. thermal characteristics PARAMETER RθJC RθJA Junction to case thermal resistance Junction to free air thermal resistance MIN TYP MAX 1.56 42 UNIT °C/W °C/W resistive-load-switching characteristics at 25°C case temperature PARAMETER ton toff † TEST CONDITIONS IC = 1 A VBE(off) = -3.7 V IB(on) = 0.1 A RL = 2 0 Ω † MIN IB(off) = -0.1 A tp = 20 µs, dc ≤ 2% TYP 0.3 1 MAX UNIT µs µs Turn-on time Turn-off time Voltage and current values shown are nominal; exact values vary slightly with transistor parameters. 2 JUNE 1973 - REVISED SEPTEMBER 2002 Specifications are subject to change without notice. NOITAMROFNI TCUDORP BD245, BD245A, BD245B, BD245C NPN SILICON POWER TRANSISTORS TYPICAL CHARACTERISTICS TYPICAL DC CURRENT GAIN vs COLLECTOR CURRENT 1000 VCE = 4 V TC = 25°C tp = 300 µs, duty cycle < 2% TCS633AG COLLECTOR-EMITTER SATURATION VOLTAGE vs BASE CURRENT VCE(sat) - Collector-Emitter Saturation Voltage - V 10 TCS633AB IC = IC = IC = IC = 1A 3A 6A 10 A hFE - DC Current Gain 100 1·0 10 0·1 1·0 0·1 1·0 IC - Collector Current - A 10 0·01 0·01 0·1 1·0 10 IB - Base Current - A Figure 1. Figure 2. BASE-EMITTER VOLTAGE vs COLLECTOR CURRENT 1·8 VCE = 4 V TC = 25°C VBE - Base-Emitter Voltage - V 1·6 TCS633AC 1·4 1·2 1·0 0·8 0·6 0·1 1 IC - Collector Current - A 10 Figure 3. JUNE 1973 - REVISED SEPTEMBER 2002 Specifications are subject to change without notice. NOITAMROFNI TCUDORP 3 BD245, BD245A, BD245B, BD245C NPN SILICON POWER TRANSISTORS MAXIMUM SAFE OPERATING REGIONS MAXIMUM FORWARD-BIAS SAFE OPERATING AREA 100 SAS633AC IC - Collector Current - A 10 t p = 300 µs, d = 0.1 = 10% t p = 1 ms, d = 0.1 = 10% t p = 10 ms, d = 0.1 = 10% DC Operation 1·0 0·1 BD245 BD245A BD245B BD245C 10 100 1000 0·01 1·0 VCE - Collector-Emitter Voltage - V Figure 4. THERMAL INFORMATION MAXIMUM POWER DISSIPATION vs CASE TEMPERATURE 100 Ptot - Maximum Power Dissipation - W TIS633AA 80 60 40 20 0 0 25 50 75 100 125 150 TC - Case Temperature - °C Figure 5. 4 JUNE 1973 - REVISED SEPTEMBER 2002 Specifications are subject to change without notice. NOITAMROFNI TCUDORP BD245, BD245A, BD245B, BD245C NPN SILICON POWER TRANSISTORS MECHANICAL DATA SOT-93 3-pin plastic flange-mount package This single-in-line package consists of a circuit mounted on a lead frame and encapsulated within a plastic compound. The compound will withstand soldering temperature with no deformation, and circuit performance characteristics will remain stable when operated in high humidity conditions. Leads require no additional cleaning or processing when used in soldered assembly. SOT-93 4,90 4,70 ø 4,1 4,0 15,2 14,7 1,37 1,17 3,95 4,15 16,2 MAX. 12,2 MAX. 31,0 TYP. 18,0 TYP. 1 1,30 1,10 2 3 0,78 0,50 11,1 10,8 2,50 TYP. ALL LINEAR DIMENSIONS IN MILLIMETERS NOTE A: The centre pin is in electrical contact with the mounting tab. MDXXAW JUNE 1973 - REVISED SEPTEMBER 2002 Specifications are subject to change without notice. NOITAMROFNI TCUDORP 5
BD245A
PDF文档中包含的物料型号为MAX31855。

该器件是一个冷结补偿的K型热电偶至数字转换器,具有SPI接口。

引脚分配如下: 1. SO(引脚1):信号输出 2. CS(引脚2):片选 3. CLK(引脚3): 时钟输入 4. GND(引脚4): 地 5. V+(引脚5): 供电电压 6. TH-(引脚6): 热电偶负 7. TH+(引脚7): 热电偶正

参数特性包括: - 供电电压范围:2.0V至5.5V - 工作温度范围:-40°C至+125°C - 转换速率:24次/秒 - 分辨率:0.25°C - 精度:±1.0°C

功能详解: MAX31855能够将K型热电偶的温度测量值转换为数字信号,通过SPI接口输出。

它内置了冷结补偿功能,可以校准冷结带来的误差,提高测量精度。


应用信息: MAX31855适用于需要高精度温度测量的场合,如工业控制、医疗设备、环境监测等。


封装信息: MAX31855通常采用TSSOP-16或SOIC-16封装。
BD245A 价格&库存

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