# Small Signal Schottky Diode, Single, 40 V, 30 mA, 1 V, 500 mA, 125 °C ![Product image](https://novapart.co/image/farnell:1469386/) **URL**: https://novapart.co/products/BAT81S-TR/small-signal-schottky-diode-single-40-v-30-ma-1 **SKU**: BAT81S-TR **Manufacturer**: VISHAY **Category**: Semiconductors - Discretes || Diodes & Rectifiers || Schottky Diodes || Small Signal Schottky Diodes **Price**: €0.1040 **Stock**: 10+ ## Specifications | Parameter | Value | |---|---| | No. Of Pins | 2Pins | | Product Range | BAT81 | | Qualification | AEC-Q101 | | Diode Mounting | Through Hole | | Diode Case Style | DO-204AH | | Diode Configuration | Single | | Forward Voltage Max | 1V | | Forward Surge Current | 500mA | | Average Forward Current | 30mA | | Operating Temperature Max | 125°C | | Repetitive Peak Reverse Voltage | 40V | ## Datasheet 📄 [Download PDF](https://novapart.co/datasheet/farnell:1469386/) **BAT81S, BAT82S, BAT83S** www.vishay.com ## Vishay Semiconductors ## **Small Signal Schottky Diode** ## **FEATURES** - Integrated protection ring against static discharge - Low capacitance - Low leakage current - Low forward voltage drop - Very low switching time - Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 ## **LINKS TO ADDITIONAL RESOURCES** 3D Models Marking Parametric Order Samples ~~PA~~ Search se ## **MECHANICAL DATA** **Case:** DO-35 (DO-204AH) **Weight:** approx. 125 mg **Cathode band color:** black ## **APPLICATIONS** - General purpose and switching Schottky barrier diode - HF-detector - Protection circuit - Diode for low currents with a low supply voltage - Small battery charger - Power supplies - DC/DC converter for notebooks ## **Packaging codes/options:** TR/10K per 13" reel (52 mm tape), 50K/box TAP/10K per ammopack (52 mm tape), 50K/box ## **PARTS TABLE** |**PARTS TABLE**|**PARTS TABLE**|**PARTS TABLE**|**PARTS TABLE**|**PARTS TABLE**|**PARTS TABLE**| |---|---|---|---|---|---| |**PART**|**TYPE**
**DIFFERENTIATION**|**ORDERING CODE**|**CIRCUIT**
**CONFIGURATION**|**TYPE MARKING**|**REMARKS**| |BAT81S|VR= 40 V|BAT81S-TR or BAT81S-TAP|Single|BAT81S|Tape and reel/ammopack| |BAT82S|VR= 50 V|BAT82S-TR or BAT82S-TAP|Single|BAT82S|Tape and reel/ammopack| |BAT83S|VR= 60 V|BAT83S-TR or BAT83S-TAP|Single|BAT83S|Tape and reel/ammopack| ## **ABSOLUTE MAXIMUM RATINGS** (Tamb = 25 °C, unless otherwise specified) |**ABSOLUTE MAXIMUM RATINGS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified), unless otherwise specified)unless otherwise specified)pecified)ecified))|**ABSOLUTE MAXIMUM RATINGS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified), unless otherwise specified)unless otherwise specified)pecified)ecified))|**ABSOLUTE MAXIMUM RATINGS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified), unless otherwise specified)unless otherwise specified)pecified)ecified))|**ABSOLUTE MAXIMUM RATINGS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified), unless otherwise specified)unless otherwise specified)pecified)ecified))|**ABSOLUTE MAXIMUM RATINGS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified), unless otherwise specified)unless otherwise specified)pecified)ecified))|**ABSOLUTE MAXIMUM RATINGS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified), unless otherwise specified)unless otherwise specified)pecified)ecified))| |---|---|---|---|---|---| |**PARAMETER**|**TEST CONDITION**|**PART**|**SYMBOL**|**VALUE**|**UNIT**| |Reverse voltage||BAT81S|VR|40|V| |||BAT82S|VR|50|V| |||BAT83S|VR|60|V| |Forward continuous current|||IF|30|mA| |Peak forward surge current|tp 10 ms||IFSM|500|mA| |Repetitivepeak forward current|tp 1 s||IFRM|150|mA| ## **THERMAL CHARACTERISTICS** (Tamb = 25 °C, unless otherwise specified) |**THERMAL CHARACTERISTICS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified), unless otherwise specified)unless otherwise specified)pecified)ecified))|**THERMAL CHARACTERISTICS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified), unless otherwise specified)unless otherwise specified)pecified)ecified))|**THERMAL CHARACTERISTICS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified), unless otherwise specified)unless otherwise specified)pecified)ecified))|**THERMAL CHARACTERISTICS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified), unless otherwise specified)unless otherwise specified)pecified)ecified))|**THERMAL CHARACTERISTICS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified), unless otherwise specified)unless otherwise specified)pecified)ecified))| |---|---|---|---|---| |**PARAMETER**|**TEST CONDITION**|**SYMBOL**|**VALUE**|**UNIT**| |Thermal resistancejunction to ambient air|I = 4 mm,TL= constant|RthJA|320|K/W| |Junction temperature||Tj|125|°C| |Storage temperature range||Tstg|-65 to +150|°C| ## **ELECTRICAL CHARACTERISTICS** (Tamb = 25 °C, unless otherwise specified) |**ELECTRICAL CHARACTERISTICS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified)pecified)ecified))|**ELECTRICAL CHARACTERISTICS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified)pecified)ecified))|**ELECTRICAL CHARACTERISTICS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified)pecified)ecified))|**ELECTRICAL CHARACTERISTICS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified)pecified)ecified))|**ELECTRICAL CHARACTERISTICS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified)pecified)ecified))|**ELECTRICAL CHARACTERISTICS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified)pecified)ecified))|**ELECTRICAL CHARACTERISTICS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified)pecified)ecified))| |---|---|---|---|---|---|---| |**PARAMETER**|**TEST CONDITION**|**SYMBOL**|**MIN.**|**TYP.**|**MAX.**|**UNIT**| |Forward voltage|IF= 0.1 mA|VF|||330|mV| ||IF= 1 mA|VF|||410|mV| ||IF= 15 mA|VF|||1000|mV| |Reverse current|VR= VRmax.|IR|||200|nA| |Diode capacitance|VR= 1 V,f = 1 MHz|CD|||1.6|pF| Rev. 2.2, 25-Jun-2024 **1** Document Number: 85512 For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 **BAT81S, BAT82S, BAT83S** www.vishay.com ## Vishay Semiconductors ## **TYPICAL CHARACTERISTICS** (Tamb = 25 °C, unless otherwise specified) **==> picture [187 x 166] intentionally omitted <==** **----- Start of picture text -----**
100
10
TJ = 75 °C
1
0.1
25 °C
0.01
0.001
0 5 10 15 20 25 30 35 40 45 50 55 60
VR (V)
(µA)
IR
**----- End of picture text -----**
Fig. 1 - Typical Reverse Leakage Current vs. Reverse Voltage **==> picture [187 x 166] intentionally omitted <==** **----- Start of picture text -----**
100
T j = 75 ° C
10
1
Tj = 25 ° C
0.1
0.01
0 0.5 1.0 1.5
VF (V)
(mA)IF
**----- End of picture text -----**
Fig. 3 - Typical Forward Current vs. Forward Voltage **==> picture [454 x 353] intentionally omitted <==** **----- Start of picture text -----**
100 10000 2.0
VR = VRRM f = 1 MHz
1.8
1.6
10
1.4
1000
1.2
1 1.0
0.8
100
0.6
0.1
0.4
0.2
0.01 10 0
0 50 100 150 0 10 20 30 40
Tj (°C) VR (V)
Fig. 2 - Reverse Current vs. Junction Temperature Fig. 4 - Typical Capacitance vs. Reverse Voltage
PACKAGE DIMENSIONS in millimeters (inches): DO-35 (DO-204AH)
Cathode Identification
26 min. [1.024] 3.9 max. [0.154] 26 min. [1.024]
3.1 min. [0.120]
(µA)IR 1st line 2nd line 2nd line C (pF)D
1.7 [0.067] 1.3 [0.050]
Ø 0.6 max. [0.024] Ø 0.4 min. [0.015]
**----- End of picture text -----**
Fig. 4 - Typical Capacitance vs. Reverse Voltage ## **PACKAGE DIMENSIONS** in millimeters (inches): **DO-35 (DO-204AH)** Rev. 6 - Date: 19. December 2011 Document no.: SB-V-3906.04-031(4) 94 9366 Rev. 2.2, 25-Jun-2024 Document Number: 85512 **2** For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 **Legal Disclaimer Notice** Vishay www.vishay.com ## **Disclaimer** ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. Statements regarding the suitability of products for certain types of applications are based on Vishay's knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer's technical experts. Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein. Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and for informational purposes only. Inclusion of these hyperlinks does not constitute an endorsement or an approval by Vishay of any of the products, services or opinions of the corporation, organization or individual associated with the third-party website. Vishay disclaims any and all liability and bears no responsibility for the accuracy, legality or content of the third-party website or for that of subsequent links. Vishay products are not designed for use in life-saving or life-sustaining applications or any application in which the failure of the Vishay product could result in personal injury or death unless specifically qualified in writing by Vishay. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. 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