Is there a pin-compatible replacement for ZMM6V8?

While several parts like ZMM7V5 share the same LL-34 package and are pin-compatible, no direct drop-in replacement with the exact 6.8V Zener voltage has been identified. All candidates require a review of their electrical parameters.

What risks should I check before replacing ZMM6V8?

The primary risk is the Zener voltage (Vz) mismatch. Using a diode with a different Vz can alter the circuit's voltage regulation point, potentially causing malfunction or damage. Always verify the new voltage is within your circuit's design tolerance.

ZMM6V8 Alternatives, Datasheet & Cross Reference | Slkor(SLKORMICRO Elec.)

ZMM6V8 is a 6.8V, 500mW Zener diode in an LL-34 package. When searching for replacements, focus on matching the Zener voltage, power rating, and package for optimal performance.

AI replacement insight

Electrical riskhigh

Zener voltage is a critical functional parameter; any deviation requires circuit analysis.

Package risklow

Candidates share the same LL-34 package, ensuring physical compatibility.

Can it be replaced directly?

No direct, drop-in replacement for ZMM6V8 has been confirmed. The closest options are parametric alternatives that require engineering review.

Best replacement path

The best path is to use a parametric alternative from the same series, like ZMM7V5, and verify the circuit's tolerance for a slightly higher Zener voltage (7.5V vs 6.8V).

Main risk

The main risk is functional failure due to a mismatch in the Zener voltage, which is the component's primary operating parameter.

Recommended alternatives

A parametric alternative in the same package and power rating, but with a higher Zener voltage of 7.5V.

View details

Alternative comparison matrix

Feature / factor	ZMM6V8	ZMM7V5	ZMM8V2	ZMM9V1	Compatibility / risk
Package	LL-34	LL-34	LL-34	LL-34	LL-34 — Package is physically compatible.; ZMM8V2: Package is physically compatible.; ZMM9V1: Package is physically compatible.
Voltage	6.8V	7.5V	8.2V	9.1V	7.5V / 8.2V / 9.1V — Zener voltage is ~10% higher.; ZMM8V2: Zener voltage is ~20% higher.; ZMM9V1: Zener voltage is ~34% higher.
Power	500mW	500mW	500mW	500mW	500mW — Power dissipation rating is identical.; ZMM8V2: Power dissipation rating is identical.; ZMM9V1: Power dissipation rating is identical.
Manufacturer	Slkor(SLKORMICRO Elec.)	Slkor(SLKORMICRO Elec.)	-	-	Slkor(SLKORMICRO Elec.) — Same manufacturer and product series.

Application & sourcing insights

Questions & answers

ZMM7V5 is a close parametric alternative from the same manufacturer and series. It has the same package and power rating but a slightly higher Zener voltage of 7.5V, which requires engineering validation.