Vishay Intertechnology, Inc. 43V 500MW Zener Diode SMPZ3940B-M3/85A

DIODE ZENER 43V 500MW DO220AA Product overview: SMPZ3940B-M3/85A from Vishay General Semiconductor – Diodes Division is a Zener Diode for voltage regulation, reference clamping, overvoltage protection, and compact board-level circuit design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Zener, 43V, 500MW. Search-friendly keywords include Zener diode, voltage reference, clamp, regulation, Zener, 43V, 500MW, Single Zener Diodes. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 287-SMPZ3940B-M3/85A can be used for catalog matching and distributor lookup.

Zener Diode 43V 500mW ±5% Surface Mount DO-220AA (SMP)

Win Source Part Number: 1279141-SMPZ3940B-M3/85A
Category: Discrete Semiconductor Products>Diodes - Zener - Single
Series: eSMP®
Package: Tape & Reel (TR)
Standard Package: 10,000
Mounting: SMD (SMT)
Tolerance: ±5%
Power - Max: 500 mW
Voltage - Forward (Vf) (Max) @ If: 1.5 V @ 200 mA
Current - Reverse Leakage @ Vr: 500 nA @ 32.7 V
Voltage - Zener (Nom) (Vz): 43 V
Impedance (Max) (Zzt): 53 Ohms
Package / Case: DO-220AA
Supplier Device Package: DO-220AA (SMP)
Temperature Range - Operating: -65°C ~ 150°C
ECCN: EAR99
Fake Threat In the Open Market: 59 pct.
MSL Level: 1 (Unlimited)
REACH Status: REACH Unaffected
HTSUS: 8541.10.0050
Mfr: Vishay General Semiconductor - Diodes Division
Base Product Number: SMPZ3940