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1N4148 Dataheets PDF



Part Number 1N4148
Manufacturers Taiwan Semiconductor
Logo Taiwan Semiconductor
Description High Speed Switching Diode
Datasheet 1N4148 Datasheet1N4148 Datasheet (PDF)

1N4148 / 1N4448 / 1N914B Taiwan Semiconductor 500mW, High Speed Switching Diode FEATURES ● Low power loss, high efficiency ● Ideal for automated placement ● High surge current capability ● Compliant to RoHS directive 2011/65/EU and in accordance to WEEE 2002/96/EC ● Halogen-free according to IEC 61249-2-21 APPLICATIONS ● Switching mode power supply (SMPS) KEY PARAMETERS PARAMETER VALUE UNIT IF 150 mA VRRM 100 V IFSM 2 A VF at IF=100mA 1 V TJ MAX Package Configuration 150 °C D.

  1N4148   1N4148


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1N4148 / 1N4448 / 1N914B Taiwan Semiconductor 500mW, High Speed Switching Diode FEATURES ● Low power loss, high efficiency ● Ideal for automated placement ● High surge current capability ● Compliant to RoHS directive 2011/65/EU and in accordance to WEEE 2002/96/EC ● Halogen-free according to IEC 61249-2-21 APPLICATIONS ● Switching mode power supply (SMPS) KEY PARAMETERS PARAMETER VALUE UNIT IF 150 mA VRRM 100 V IFSM 2 A VF at IF=100mA 1 V TJ MAX Package Configuration 150 °C DO-35 Singal die MECHANICAL DATA ● Case: DO-35 ● Packing code with suffix "G" means green compound (halogen-free) ● Terminal: Matte tin plated leads, solderable per J-STD-002 ● Polarity: Indicated by cathode band ● Weight: 125 ± 4 mg ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise noted) PARAMETER SYMBOL 1N4148 1N4448 1N914B Power dissipation PD 500 Repetitive peak reverse voltage VRRM 100 Non-Repetitive peak forward surge current Pluse width = 1μs, Square wave IFSM 2 Non-Repetitive peak forward current IFM 450 Forward current IF 150 Junction temperature range TJ -65 to +150 Storage temperature range TSTG -65 to +150 UNIT mW V A mA mA °C °C THERMAL PERFORMANCE PARAMETER Junction-to-ambient thermal resistance SYMBOL RӨJA TYP 240 UNIT °C/W 1 Version:J1804 1N4148 / 1N4448 / 1N914B Taiwan Semiconductor ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted) PARAMETER CONDITIONS SYMBOL MIN 1N4448,1N914B Forward voltage per diode (1) 1N4148 1N4448,1N914B IF = 5 mA, TJ = 25°C IF = 10 mA, TJ = 25°C IF = 100 mA, TJ = 25°C 0.62 VF - - Reverse voltage IR = 100 μA, TJ = 25°C (2) IR = 5 μA, TJ = 25°C 100 VR 75 Reverse current (2) VR = 20 V, TJ = 25°C VR = 75 V, TJ = 25°C Junction capacitance 1 MHz, VR=0V Reverse recovery time Notes: IF= 10mA , VR=6V, RL= 100Ω , IRR= 1mA 1. Pulse test with PW=0.3 ms 2. Pulse test with PW=30 ms - IR - CJ - trr - MAX 0.72 1.00 1.00 25 5 4 4 UNIT V V nA μA pF ns ORDERING INFORMATION PART NO. PACKAGE 1N4148 R0G DO-35 1N4148 R0 DO-35 1N4148 A0G DO-35 1N4148 A0 DO-35 1N4448 R0G DO-35 1N4448 R0 DO-35 1N4448 A0G DO-35 1N4448 A0 DO-35 1N914B R0G DO-35 1N914B R0 DO-35 1N914B A0G DO-35 1N914B A0 DO-35 PACKING 10K / 14" Reel 10K / 14" Reel 5K / Box(Ammo) 5K / Box(Ammo) 10K / 14" Reel 10K / 14" Reel 5K / Box(Ammo) 5K / Box(Ammo) 10K / 14" Reel 10K / 14" Reel 5K / Box(Ammo) 5K / Box(Ammo) 2 Version:J1804 1N4148 / 1N4448 / 1N914B Taiwan Semiconductor Forward Current (A) CHARACTERISTICS CURVES (TA = 25°C unless otherwise noted) Fig.1 Typical Forward Characteristics 1 TA=25°C 0.1 0.01 Fig. 2 Reverse Current VS. Reverse Voltage 10000 100°C 1000 70°C 100 50°C 10 TA=25°C Reverse Current :lR (nA) 0.001 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 Forward Voltage (V) 1 0 20 40 60 80 100 120 Reverse Voltage : VR (V) Power Dissipation (mW) Fig.3 Admissible Power Dissipation Curve 500 400 300 200 100 0 0 25 50 75 100 125 150 175 200 Ambient Temperature (oC) Junction Capacitance (pF) Fig.4 Typical Junction Capacitance 1.5 1.2 f=1.0 MHz 0.9 0.6 0.3 0 0 5 10 15 20 25 30 Reverse Voltage (V) 3 Version:J1804 PACKAGE OUTLINE DIMENSION DO-35 1N4148 / 1N4448 / 1N914B Taiwan Semiconductor DIM. A B C D Unit (mm) Min Max 0.34 0.60 2.90 5.08 25.40 38.10 1.30 2.28 Unit (inch) Min Max 0.013 0.024 0.114 0.200 1.000 1.500 0.051 0.090 MARKING DIAGRAM 4 Version:J1804 1N4148 / 1N4448 / 1N914B Taiwan Semiconductor Notice Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, to any intellectual property rights is granted by this document. Except as provided in TSC’s terms and conditions of sale for such products, TSC assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify TSC for any damages resulting from such improper use or sale. 5 Version:J1804 .


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