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50pcs Rectifier Diode Assortment Kit — DO-41 Through-Hole, 1N5817, 1N5819, 1N5399, 1N4937, 1N4001–1N4007
50pcs Rectifier Diode Assortment Kit DO-41 Through-Hole, 1N5817, 1N5819, 1N5399, 1N4937, 1N4001–1N4007
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50pcs DO-41 Rectifier Diode Assortment Kit — Schottky & Standard
A focused through-hole diode assortment covering the most essential DO-41 package rectifier and Schottky diodes. With 50 pieces across multiple values, this kit provides the core diodes needed for AC/DC rectification, reverse polarity protection, flyback suppression, and general-purpose power electronics — all in the universally compatible DO-41 axial package.
Kit Contents & Specifications
| Part | Type | VRRM | IF | VF | Notes |
|---|---|---|---|---|---|
| 1N5817 | Schottky Rectifier | 20V | 1A | 0.45V | Low VF, fast switching |
| 1N5819 | Schottky Rectifier | 40V | 1A | 0.6V | Higher voltage Schottky |
| 1N5399 | General Rectifier | 1000V | 1.5A | 1.0V | High-voltage, 1.5A rated |
| 1N4937 | Fast Recovery Rectifier | 600V | 1A | 1.7V | Fast recovery for SMPS |
| 1N4001 | General Rectifier | 50V | 1A | 1.1V | Low-voltage rectification |
| 1N4004 | General Rectifier | 400V | 1A | 1.1V | Mains rectification |
| 1N4007 | General Rectifier | 1000V | 1A | 1.1V | Universal high-voltage |
All diodes in DO-41 axial through-hole package. Total 50pcs across values.
Why Choose This Diode Kit?
- DO-41 through-hole — breadboard and perfboard compatible, easy hand soldering
- Schottky + standard + fast recovery — covers all major rectifier types in one kit
- 1N5817/1N5819 Schottky — low forward voltage for efficient power paths
- 1N4937 fast recovery — essential for SMPS and switching converter designs
- 1N5399 1.5A rated — higher current capacity than standard 1N400x series
- 1N4007 universal — 1000V rating covers virtually all mains-connected applications
Typical Applications
- AC/DC bridge rectifiers — full-wave and half-wave power supply designs
- Reverse polarity protection — series diode to protect circuits from reversed battery
- Flyback suppression — 1N4007 across relay coils, motor drivers, and solenoids
- SMPS rectification — 1N4937 fast recovery for switching power supply output stages
- Schottky OR-ing — 1N5817/1N5819 for power path selection and battery charging
- Electronics repair — replace failed diodes in power supplies and consumer electronics
FAQ
Q: What is the difference between 1N5817 and 1N5819?
A: Both are 1A Schottky diodes in DO-41. 1N5817 is rated 20V VRRM; 1N5819 is rated 40V. Use 1N5819 for higher reverse voltage applications.
Q: Why use 1N4937 instead of 1N4007?
A: 1N4937 is a fast recovery rectifier (trr ~200ns) suitable for switching frequencies above 1kHz. 1N4007 is a standard rectifier (trr ~30μs) for 50/60Hz mains only.
Q: Can I use 1N5399 as a replacement for 1N4007?
A: Yes, in most cases. 1N5399 has the same 1000V rating but higher 1.5A current capacity, making it a direct upgrade.
Package Contents
- 50× DO-41 Diodes across 7 values (1N5817, 1N5819, 1N5399, 1N4937, 1N4001, 1N4004, 1N4007)
