How do the onsemi onsemi SZMM Series variants differ?

onsemi SZMM Series part numbers differ by case, current - reverse leakage @ vr, impedance (Max) and power - max. Use the selection guide above to pick by case.

How many onsemi onsemi SZMM Series part numbers are listed?

123 onsemi onsemi SZMM Series part numbers are listed, each with specifications and a datasheet where available.

onsemi SZMM Series

123 variants · onsemi

About the onsemi onsemi SZMM Series series

The onsemi onsemi SZMM Series series groups 123 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common mounting type of Surface Mount, operating temperature of -65°C ~ 150°C and package of Tape & Reel (TR); Cut Tape (CT). Variants differ by case, current - reverse leakage @ vr and impedance (Max), so you can match the exact case your application requires using the selection guide below.

Select a variant by

Case: SC-76, SOD-323 · SC-79, SOD-523 · TO-236-3, SC-59, SOT-23-3
Current - reverse leakage @ vr: 50 nA @ 12.6 V · 100 nA @ 8 V · 100 nA @ 11 V
Impedance (Max): 16 Ohms · 25 Ohms · 45 Ohms
Power - max: 225 mW · 300 mW · 500 mW
Tolerance: ±5% · ±6%
Voltage - zener (Nom): 12 V · 15 V · 18 V

Variant comparison

Parameter	SZMM5Z18VT1G	SZMMBZ5245BLT1G	SZMM3Z12VT1G
Case	SC-79, SOD-523	TO-236-3, SC-59, SOT-23-3	SC-76, SOD-323
Current - reverse leakage @ vr	50 nA @ 12.6 V	100 nA @ 11 V	100 nA @ 8 V
Impedance (Max)	45 Ohms	16 Ohms	25 Ohms
Power - max	500 mW	225 mW	300 mW
Tolerance	±6%	±5%	±5%
Voltage - zener (Nom)	18 V	15 V	12 V

Shared specifications

Mounting type: Surface Mount
Operating temperature: -65°C ~ 150°C
Package: Tape & Reel (TR); Cut Tape (CT)
Voltage - forward (Vf) (Max) @ if: 900 mV @ 10 mA

Request a quote on any onsemi SZMM Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the onsemi onsemi SZMM Series variants differ?: onsemi SZMM Series part numbers differ by case, current - reverse leakage @ vr, impedance (Max) and power - max. Use the selection guide above to pick by case.
How many onsemi onsemi SZMM Series part numbers are listed?: 123 onsemi onsemi SZMM Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for onsemi onsemi SZMM Series?: Request a quote (RFQ) for any onsemi SZMM Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.