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B340LB-13-F The B340LB-13-F is a 40V, 3A Schottky barrier rectifier in a surface-mount SMB package. It features a low forward voltage drop of 0.31V typical at 1A and a surge overload rating of 70A.
Mfr Part #:

B340LB-13-F

Available from 4 distributors
Mfr Name: Diodes Incorporated
Diodes Incorporated
The B340LB-13-F is a 40V, 3A Schottky barrier rectifier in a surface-mount SMB package. It features a low forward voltage drop of 0.31V typical at 1A and a surge overload rating of 70A.
Total Stock: 81,764 pcs
$ Price Range: $0.12 - $0.71

B340LB-13-F Available from 4 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
70,020 pcs
70020 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
11,124 pcs
11124 pcs On Request 1 On Request On Request 18+ On Request On Request
Non-Authorised Inventory information
520 pcs
520 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request
Non-Authorised Inventory information
100 pcs
100 pcs On Request 1 On Request On Request On Request On Request On Request

B340LB-13-F Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Average Rectified Output Current
Capacitance @ Vr, F
Case Material
Current
Halogen Free
IR (Maximum @ VR = 15 V)
IR (Maximum @ VR = 20 V)
IR (Maximum @ VR = 40 V)
Mounting Type
Non-Repetitive Peak Forward Surge Current
Operating Temperature
Operating Temperature Range
Package / Case
Packaging Type
Polarity
Reverse Voltage (Vrrm)
Speed
Standard Package Quantity
Storage Temperature Range
Supplier Device Package
Technology
Terminal Finish
Termination Style
Thermal Resistance, Junction to Terminal
Total Capacitance
VF (Maximum @ IF = 3 A)
VF (Typical/Maximum @ IF = 1 A)
Voltage
Weight

B340LB-13-F Description

Short technical summary and product information.

The B340LB-13-F is a 3.0A low VF Schottky barrier rectifier from Diodes Incorporated, designed for high-efficiency rectification in surface-mount applications. It offers a very low forward voltage drop of 0.31V typical at 1A and 0.45V maximum at 3A, minimizing power loss and improving system efficiency.

 

This rectifier is rated for a peak repetitive reverse voltage of 40V and can handle a non-repetitive peak forward surge current of 70A, making it suitable for applications with transient overloads. The device is housed in an SMB (DO-214AA) package with a molded plastic case rated UL 94V-0 and weighs approximately 0.093 grams.

 

The B340LB-13-F is lead-free with matte tin terminals, RoHS compliant, and halogen and antimony free (green device). It is moisture sensitivity level 1 per J-STD-020 and is supplied in tape and reel packaging with 3000 units per reel.

B340LB-13-F Quick Information

Product Type: Schottky Barrier Rectifier
Series: B340LB
Canonical Name: B340LB-13-F Schottky Barrier Rectifier, 40V, 3A, SMB
Subcategory: Single Diodes

B340LB-13-F Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): Level 1 (Unlimited)
REACH Status: REACH Unaffected
Lead Free: Yes

B340LB-13-F Estimated Pricing

Qty Low High
1+ $0.71 $0.71
10+ $0.44 $0.44
100+ $0.28 $0.28
500+ $0.21 $0.21
1,000+ $0.19 $0.19
3,000+ $0.16 $0.16
6,000+ $0.15 $0.15
9,000+ $0.14 $0.14
15,000+ $0.13 $0.13
21,000+ $0.13 $0.13
30,000+ $0.12 $0.12

Estimated market price range - modelled values for guidance only, not live distributor offers.

B340LB-13-F Features

  • Low forward voltage drop of 0.31V.
  • Rated for 40V reverse voltage.
  • 3.0A average rectified output current.
  • Surge overload rating to 70A peak.
  • Surface mount SMB package.

B340LB-13-F Applications

  • Used in low voltage power supplies.
  • Ideal for DC-DC converter output rectification.
  • Suitable for freewheeling diode applications.
  • Used in polarity protection circuits.
  • For high frequency rectification circuits.

B340LB-13-F FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum reverse voltage of the B340LB-13-F?

The peak repetitive reverse voltage (VRRM) is 40V.

What is the forward voltage drop at 1A?

The typical forward voltage is 0.31V at 1A, with a maximum of 0.35V.

What is the maximum average forward current?

The average rectified output current is 3.0A at a terminal temperature of 90°C.

What is the surge current rating?

The non-repetitive peak forward surge current is 70A for a single 60Hz sine wave.

What package is the B340LB-13-F available in?

It is available in a surface mount SMB (DO-214AA) package.

Is the B340LB-13-F RoHS compliant?

Yes, it is RoHS3 compliant and has a lead-free matte tin finish.

What is the operating temperature range?

The operating junction temperature range is -55°C to +150°C.

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