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RB491D Datasheet PDF


Part Number RB491D
Manufacturer GME
Title Schottky barrier diode
Description Production specification Schottky barrier diode FEATURES  Small surface mounting type.  Low reverse current and low forward voltage.  High re...
Features
 Small surface mounting type.
 Low reverse current and low forward voltage.
 High reliability. Pb Lead-free RB491D APPLICATIONS
 Schottky barrier diode. SOT-23 ORDERING INFORMATION Type No. Marking RB491D D2E Package Code SOT-23 MAXIMUM RATING @ Ta=25℃ unless otherwise specified Char...

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Datasheet RB491D PDF File








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RB491D : ® WON-TOP ELECTRONICS RB491D SURFACE MOUNT SCHOTTKY BARRIER DIODE Pb Features  Low Forward Voltage  Fast Switching Speed A  PN Junction Guard Ring for Transient and ESD Protection  For General Purpose Switching Applications B C  Plastic Material – UL Recognition Flammability Classification 94V-0 E D H Mechanical Data  Case: SOT-23, Molded Plastic K  Terminals: Plated Leads Solderable per MIL-STD-202, Method 208  Polarity: See Diagram  Weight: 0.008 grams (approx.)  Mounting Position: Any  Marking: D2E  Lead Free: For RoHS / Lead Free Version, Add “-LF” Suffix to Part Number, See Page 4 J G TOP VIEW L M SOT-23 Dim Min Max A 0.30 0.50 B 1.19 1.40 .

RB491D : The RB491D is available in SOT-23 Package ORDERING INFORMATION Package Type Part Number SOT-23 RB491D Note 3,000pcs/Reel AiT provides all RoHS Compliant Products CONSTRUCTION Silicon epitaxial planar RB491D SCHOTTKY DIODES SCHOTTKY BARRIER DIODE FEATURES  Small mold type. (SOT-23)  Ultra low VF. (VF=0.40V Typ. at 1A)  IF=1.0A guaranteed despite the size.  RoHS Compliant  Available in SOT-23 Package APPLICATIONS  Low-power rectification  For switching power supply PIN DESCRIPTION REV1.0 - APR 2014 RELEASED - -1- AiT Components Inc. www.ait-components.com RB491D SCHOTTKY DIODES SCHOTTKY BARRIER DIODE ABSOLUTE MAXIMUM RATINGS @TA=25°C VRM, Peak Reverse Voltage 25V VR, .

RB491D : JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOT-23 Plastic-Encap sulate Diodes RB491D Schottky Barrier Diode SOT-23 FEATURES z Small surface mounting type z Low reverse current and low forward voltage z High reliability Marking: D2E 1 3 2 Maximum Ratings and Electrical Characteristics, Single Diode @Ta=25℃ Parameter Symbol Peak reverse voltage VRM DC reverse voltage VR Mean rectifying current Non-repetitive Peak Forward Surge Current @t=8.3ms Power dissipation IF IFSM PD Thermal Resistance Junction to Ambient RθJA Junction temperature Tj Storage temperature Tstg Limit 25 20 1 3 200 500 125 -55~+150 Electrical Ratings @Ta=25℃ Parameter Forward voltage Reverse curre.

RB491D : Data Sheet Shottky barrier diode RB491D Application Low current rectification Features 1) Small mold type. (SMD3) 2) Low IR 3) High reliability. Structure Silicon epitaxial planar Dimensions (Unit : mm) 2.9± 0.2 リードとも 0.4 +0.1 Eachlead has same dimension  -0.05 (3) +0.1 0.15-0.06 1.0MIN. Lead size figure (Unit : mm) 0.8MIN. 0.95 2.4 2.8±0.2 1.6-+00..12 (2) 0.95 0.95 1.9± 0.2 (1) 0~ 0.1 0. 8 ± 0 . 1 11..11±0000....21201 ROHM : SMD3 JEDEC :S0T-346 JEITA : SC-59 week code 0.3~0.6 SMD3 Structure 1.9 Taping dimensions (Unit : mm) 4.0±0.1 2.0±0.05 φ1.5±0.1       0 0.3±0.1 1.75±0.1 3.2±0.1 5.5±0.2 3.5±0.05 8.0±0.2 3.2±0.1 0~0.5 3.2±0.1 4.0±0.1 φ1.05MIN 1.35±0.

RB491D : MCC Features • • •   omponents 21201 Itasca Street Chatsworth    !"# $ %    !"# RB490D THRU RB491D  Low Turn-on Voltage Fast Switching PN Junction Guard Ring for Transient and ESD Protection 1Amp Surface Mount Schottky Barrier Diode Mechanical Data • • • • • Case :SOT-346,Molded Plastic Terminals :Solderable per MIL-STD-202,Method 208 Polarity :See Diagrams Below Weight :0.008 grams (approx) Mountion Position :Any S 2 20 to 40 Volts SOT-346 A L 3 1 Maximum Ratings • • Operating Temperature: -25°C to +125°C Storage Temperature: -50°C to +125°C MCC Catalog Number RB491D RB490D Device Marking Maximum Recurrent Peak Reverse.

RB491D : SURFACE MOUNT SCHOTTKY BARRIER DIODE RB491D REVERSE VOLTAGE – 25 Volts FORWARD CURRENT – 1.0 Ampere FEATURES • Low Turn-on Voltage • Fast Switching • PN Junction Guard Ring for Transient and ESD Protection MECHANICAL DATA • Case: SOT-23 Plastic • Case Material: “Green” molding compound, UL flammability classification 94V-0, (No Br. Sb. CI) • Moisture Sensitivity: Level 1 per J-STD-020D • Lead Free in RoHS 2002/95/EC Compliant SOT-23 SOT-23 Dim. Min. Max. A 0.90 1.15 A1 0.00 0.10 b 0.30 0.50 c 0.08 0.15 D 2.80 3.00 E 2.25 2.55 E1 1.20 1.40 e 0.95 Typ. e1 1.80 2.00 L 0.55 Ref. L1 0.30 0.50 Dimensions in millimeter Maximum Ratings & Thermal Characteristics @ TA = 25℃ unless otherwise specif.

RB491D : RoHS RB491D SOT-23-3L RB491D Schottky barrier Diodes FEATURES z Small surface mounting type z Low reverse current and low forward voltage z High reliability Marking: D2D Maximum Ratings and Electrical Characteristics, Single Diode @TA=25℃ Parameter Symbol Limits ICPeak reverse voltage NDC reverse voltage Mean rectifying current OPeak forward surge current RJunction temperature TStorage temperature VRM VR IO IFSM Tj Tstg 40 40 100 1 125 -40~+125 LECElectrical Ratings @TA=25℃ EParameter Forward voltage WEJReverse current Symbol Min. Typ. Max. Unit VF1 0.53 V IR 100 µA 1. 9 0. 95¡ À0. 025 1. 02 - D+ T2. 80¡ À0. 05 CO.,L1.60¡À0.05 Unit V V mA A ℃ ℃ Conditions IF=1A VR=40V 0. 35 .

RB491D : SMD Type Schottky Diodes RB491D (KB491D) ■ Features ● Small surface mounting type ● Low Forward Voltage ● Low Reverse Current ● High Reliability 1 2 3 +0.12.4 -0.1 SOT-23 2.9 +0.1 -0.1 0.4 +0.1 -0.1 3 12 0.95 +0.1 -0.1 1.9 +0.1 -0.1 0-0.1 +0.10.38 -0.1 +0.10.97 -0.1 +0.11.3 -0.1 0.55 0.4 Diodes Unit: mm 0.1 +0.05 -0.01 ■ Absolute Maximum Ratings Ta = 25℃ Parameter Peak Reverse Voltage DC Reverse Voltage Mean Rectifying Current Peak Forward Surge Current Junction Temperature Storage Temperature range Symbol VRRM VR IF IFSM TJ Tstg Rating 25 20 1 3 150 -55 to 150 Unit V A ℃ ■ Electrical Characteristics Ta = 25℃ Parameter Reverse breakdown voltage Forward voltage Reverse volta.

RB491D : RB491D Schottky Barrier Diodes SOT-23 Features — Small surface mounting type. — Low reverse current and low forward voltage. — High reliability. Applications — Schottky barrier diode. Dimensions in inches and (millimeters) Ordering Information Type No. RB491D Marking D2E Package Code SOT-23 MAXIMUM RATING @ Ta=25℃ unless otherwise specified Characteristic Symbol Peak reverse voltage VRM DC Reverse Voltage VR Mean rectifying Current IF Peak forward Surge current IFSM Operating Junction Temperature Range Tj Storage Temperature Range TSTG Limits 25 20 1 3 125 -40 to +125 Unit V V A A ℃ ℃ ELECTRICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified Characteristic Forw.

RB491D : RB491D SCHOTTKY BARRIER DIODE FEATURES • Low Current Rectification • Small mold type • Low IR • High Reliability • In compliance with EU RoHS 2002/95/EC directives MECHANICAL DATA Case: SOT-23, Plastic Terminals: Solderable per MIL-STD-750, Method 2026 Approx. Weight: 0.008 gram Marking Code: 12D ABSOLUTE MAXIMUM RATINGS (TA=25OC ) Reverse voltage (reptitive peak) Parameter Reverse voltage (DC) Maximum average rectified forward current (Note 1) Forward current surge peak (60Hz . 1cyc)(Note 1) Operating Junction and Storage Temperature Range Symbol VRM VR IO I FSM TJ,TSTG Value 25 20 1 3 -55 to +125 Units V V A A OC ELECTRICAL CHARACTERISTICS (TA=25OC ) Parameter Forward voltage R.

RB491D : BL Galaxy Electrical Production specification Schottky barrier diode FEATURES z Small surface mounting type. z Low reverse current and low forward voltage. z High reliability. Pb Lead-free RB491D APPLICATIONS z Schottky barrier diode. SOT-23 ORDERING INFORMATION Type No. Marking RB491D D2E Package Code SOT-23 MAXIMUM RATING @ Ta=25℃ unless otherwise specified Characteristic Symbol Limits Unit Peak reverse voltage DC Reverse Voltage Mean rectifying Current Peak forward Surge current Operating Junction Temperature Range Storage Temperature Range VRM VR IF IFSM Tj TSTG 25 20 1 3 125 -40 to +125 V V A A ℃ ℃ ELECTRICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified Ch.

RB491D : 0. 35 2. 92¡ À0. 05 RB491D Schottky barrier Diodes FEATURES z Small surface mounting type z Low reverse current and low forward voltage z High reliability Marking: D2D 1. 9 SOT-23-3L + - 1. 02 2. 80¡ À0. 05 1. 60¡ À0. 05 0. 95¡ À0. 025 Maximum Ratings and Electrical Characteristics, Single Diode @TA=25℃ Parameter Symbol Limits Peak reverse voltage DC reverse voltage Mean rectifying current Peak forward surge current Junction temperature Storage temperature VRM VR IO IFSM Tj Tstg 40 40 100 1 125 -40~+125 Unit V V mA A ℃ ℃ Electrical Ratings @TA=25℃ Parameter Forward voltage Reverse current Symbol Min. Typ. Max. Unit VF1 0.53 V IR 100 µA Conditions IF=1A VR=40V .

RB491DGH : Zowie Technology Corporation Schottky Barrier Diode Lead free product Halogen-free type RB491DGH 3 1 2 SOT-23 Features Small surface mounting type. Ultra low VF . (VF =0.40V Typ. at 1A) IF=1.0A guaranteed despite the size. z We declare that the material of product compliance with RoHS requirements. z We declare that the material of product is Halogen Free (Green Epoxy Compound). APPLICATIONS Low-power rectification For switching power supply ANODE 1 CATHODE 3 !Absolute maximum ratings (Ta=25°C) Parameter Symbol Peak reverse voltage VRM DC reverse voltage VR DC forward current IF Peak forward surge current ∗ IFSM Junction temperature Tj Storage temperature Tstg ∗ 60Hz for .




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