0.5 W Zener — what the rating means for your rail
The HZK4ATR-S-E is a 0.5 W Zener diode, a general-purpose voltage-clamping device for low-current regulation, overvoltage protection, or reference generation on a board-level rail.
HZK4ATR-S-E Zener Diode, 0.5W, Active
MPNHZK4ATR-S-E
End of Life
HZK4ATR-S-E, Zener diode, 0.5W power dissipation, Bulk package, Active lifecycle.
$0.24Ref. price · indicative, final on quote
RoHSNot applicable
Series*
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | * |
| Package | Bulk |
Product details
Frequently asked questions
What is the zener voltage of HZK4ATR-S-E?
Design engineers need the voltage to confirm it matches circuit requirements.
Is HZK4ATR-S-E obsolete or still active?
Buyers and brokers need to know if the part is still in production to plan sourcing.
What is the package type of HZK4ATR-S-E?
Maintenance techs need to ensure physical fit when replacing a failed unit.
What is the equivalent part for HZK4ATR-S-E?
Sourcing buyers compare alternatives to manage BOM costs and availability.
Where can I buy HZK4ATR-S-E in stock?
Transactional intent: buyers need immediate purchase options with lead time.