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Passive Components
Beginner
Grades 6-8
mixed logic
1N4007 Rectifier Diode (pack)
by Generic
SKU: PSA-CMP-1N4007
No reviews yetTypical India street price
₹10–₹30
Not currently sold by PSA — learn about the part below
Flyback and reverse-polarity protection diode.
Interface: Through-hole
Voltage: 1000V rated (use at 5–12V)
Library reference — not in PSA stock yet
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Concept
Conducts one way. Band = cathode.
A little theory
PN junction. For relays/motors, diode across coil (cathode to +) dumps inductive spike.
How it works in a project
Flyback: parallel with coil, reverse biased in normal operation.
Classroom & project use
- Relay protection
- OR-ing
- Solar blocking
Buying in India
1N4148 is the small-signal sibling for logic; 1N4007 for power.
Precautions
- Share a common GND with the microcontroller
- Verify polarity and voltage before powering the circuit
Specifications
| Current | 1 A |
| PIV | 1000 V |
| Category | Passive Components |
| Difficulty | Beginner |
| Voltage | 1000V rated (use at 5–12V) |
| Interface | Through-hole |
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