How do the onsemi onsemi MMSZ Series variants differ?

onsemi MMSZ Series part numbers differ by current - reverse leakage @ vr, impedance (Max), operating temperature and package. Use the selection guide above to pick by current - reverse leakage @ vr.

How many onsemi onsemi MMSZ Series part numbers are listed?

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

onsemi MMSZ Series

70 variants · onsemi

About the onsemi onsemi MMSZ Series series

The onsemi onsemi MMSZ Series series groups 70 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common case of SOD-123, mounting type of Surface Mount and power - max of 500 mW. Variants differ by current - reverse leakage @ vr, impedance (Max) and operating temperature, so you can match the exact current - reverse leakage @ vr your application requires using the selection guide below.

Select a variant by

Current - reverse leakage @ vr: 3 µA @ 1 V · 5 µA @ 1 V · 10 µA @ 1 V · 20 µA @ 1 V · 50 nA @ 15.4 V · 50 nA @ 18.9 V · 50 nA @ 21 V · 50 nA @ 23.1 V · 50 nA @ 25.2 V · 50 nA @ 30.1 V · 200 nA @ 7 V
Impedance (Max): 20 Ohms · 55 Ohms · 80 Ohms · 90 Ohms · 95 Ohms · 100 Ohms · 150 Ohms
Operating temperature: -55°C ~ 150°C · -55°C~150°C
Package: Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR); Cut Tape (CT)
Voltage - zener (Nom): 2.7 V · 3 V · 3.3 V · 3.9 V · 10 V · 22 V · 27 V · 30 V · 33 V · 36 V · 43 V

Variant comparison

Parameter	MMSZ10T1G	MMSZ22T1G	MMSZ27T1G	MMSZ27T3G	MMSZ2V7T1G	MMSZ30T1G
Current - reverse leakage @ vr	200 nA @ 7 V	50 nA @ 15.4 V	50 nA @ 18.9 V	50 nA @ 18.9 V	20 µA @ 1 V	50 nA @ 21 V
Impedance (Max)	20 Ohms	55 Ohms	80 Ohms	80 Ohms	100 Ohms	80 Ohms
Operating temperature	-55°C~150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C~150°C	-55°C~150°C	-55°C~150°C
Package	Tape & Reel (TR); Cut Tape (CT)	Tape & Reel (TR) Cut Tape (CT)	Tape & Reel (TR) Cut Tape (CT)	Tape & Reel (TR); Cut Tape (CT)	Tape & Reel (TR); Cut Tape (CT)	Tape & Reel (TR); Cut Tape (CT)
Voltage - zener (Nom)	10 V	22 V	27 V	27 V	2.7 V	30 V

Shared specifications

Case: SOD-123
Mounting type: Surface Mount
Power - max: 500 mW
Tolerance: ±5%
Voltage - forward (Vf) (Max) @ if: 900 mV @ 10 mA

Request a quote on any onsemi MMSZ 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 MMSZ Series variants differ?: onsemi MMSZ Series part numbers differ by current - reverse leakage @ vr, impedance (Max), operating temperature and package. Use the selection guide above to pick by current - reverse leakage @ vr.
How many onsemi onsemi MMSZ Series part numbers are listed?: 70 onsemi onsemi MMSZ Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for onsemi onsemi MMSZ Series?: Request a quote (RFQ) for any onsemi MMSZ Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.