Diodes, Discrete Electronic Components
1N5819 Schottky Diode
- Nominal Zener Voltage (VZ): 5.1V
- Power dissipation (PZ): 1000mW
- Zener current (IZT): 76mA
- Package: DO-41
Availability:
In stock
₨ 10
In stock
1N5819 Schottky Diode
Description:
The 1N5819 is a 1A Schottky barrier rectifier diode designed for low-voltage, high-frequency rectification and switching applications. Its Schottky construction provides a relatively low forward voltage drop, helping reduce power loss compared with conventional silicon rectifier diodes. It is commonly supplied in the DO-41 axial through-hole package. (Diodes Incorporated)
Specifications:
| Parameter | Specification |
|---|---|
| Part Number | 1N5819 |
| Diode Type | Schottky Barrier Rectifier |
| Maximum Repetitive Reverse Voltage (VRRM) | 40 V |
| Average Forward Current (IF(AV)) | 1 A |
| Peak Forward Surge Current (IFSM) | 25 A |
| Forward Voltage | Typically/maximum around 0.55–0.60 V @ 1 A, depending on manufacturer |
| Reverse Leakage Current | Up to about 0.5–1 mA @ 40 V, depending on manufacturer |
| Package | DO-41 / DO-204AL |
| Mounting | Through-Hole, Axial |
| Junction Temperature | Typically up to 125–150°C, manufacturer dependent |
| Junction Capacitance | About 110 pF for many versions |
Specifications can vary somewhat between manufacturers, so the manufacturer’s datasheet should be used for a particular orderable part. (DigiKey)
Features:
- Low forward voltage drop
- Fast switching characteristics
- 1 A average rectified current
- 40 V repetitive reverse-voltage rating
- High 25 A non-repetitive surge capability
- Low power loss
- Axial DO-41 through-hole package
- Suitable for high-frequency rectification
- Useful for polarity protection and freewheeling applications (SparkFun)
Applications
- DC-DC converters and switching power supplies
- Reverse-polarity protection
- Freewheeling/flyback circuits
- Battery chargers
- Low-voltage rectification
- High-frequency switching circuits
- General-purpose power rectification
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Product Status
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Active
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Voltage – Zener (Nom) (Vz)
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5.1 V
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Tolerance
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±5%
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Power – Max
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1 W
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Impedance (Max) (Zzt)
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7 Ohms
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Current – Reverse Leakage @ Vr
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10 µA @ 1 V
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Operating Temperature
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-65°C ~ 200°C
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Mounting Type
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Through Hole
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Package / Case
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DO-204AL, DO-41, Axial
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Supplier Device Package
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DO-41
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Base Product Number
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