RB521SM-40T2R is out of stock and can be placed on backorder.
Available Substitutes:

Direct


MCC (Micro Commercial Components)
In Stock: 0
Unit Price: $0.18000
Datasheet

Direct


MCC (Micro Commercial Components)
In Stock: 0
Unit Price: $0.34000
Datasheet

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KYOCERA AVX
In Stock: 35,945
Unit Price: $0.30000
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onsemi
In Stock: 1,347,000
Unit Price: $0.20000
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onsemi
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Unit Price: $0.30000
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Diode 40 V 200mA Surface Mount EMD2
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

RB521SM-40T2R

DigiKey Part Number
RB521SM-40T2RTR-ND - Tape & Reel (TR)
RB521SM-40T2RCT-ND - Cut Tape (CT)
RB521SM-40T2RDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
RB521SM-40T2R
Description
DIODE SCHOTTKY 40V 200MA EMD2
Manufacturer Standard Lead Time
8 Weeks
Customer Reference
Detailed Description
Diode 40 V 200mA Surface Mount EMD2
Datasheet
 Datasheet
EDA/CAD Models
RB521SM-40T2R Models
Product Attributes
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Category
Speed
Small Signal =< 200mA (Io), Any Speed
Mfr
Current - Reverse Leakage @ Vr
90 µA @ 40 V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Mounting Type
Part Status
Active
Package / Case
Technology
Supplier Device Package
EMD2
Voltage - DC Reverse (Vr) (Max)
40 V
Operating Temperature - Junction
150°C (Max)
Current - Average Rectified (Io)
200mA
Base Product Number
Voltage - Forward (Vf) (Max) @ If
540 mV @ 200 mA
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (5)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
RB520S-40-TPMCC (Micro Commercial Components)0RB520S-40-TPMSTR-ND$0.18000Direct
RB521S-40-TPMCC (Micro Commercial Components)0RB521S-40-TPMSTR-ND$0.34000Direct
SD0603S040S0R2KYOCERA AVX35,945478-7798-2-ND$0.30000Similar
BAT54XV2T1Gonsemi1,347,000BAT54XV2T1GOSTR-ND$0.20000Similar
NSVR0240V2T1Gonsemi0NSVR0240V2T1GOSTR-ND$0.30000Similar
In-Stock: 0
8,000 estimated in stock on 28-Dec-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.28000$0.28
10$0.17000$1.70
100$0.11280$11.28
500$0.08318$41.59
1,000$0.05885$58.85
2,000$0.05180$103.60
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
8,000$0.04242$339.36
16,000$0.04200$672.00
24,000$0.04121$989.04
40,000$0.03961$1,584.40
56,000$0.03625$2,030.00
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.