Z0109MA,412 TRIAC Equivalent & Substitute Parts

Part Overview

The Z0109MA,412 is a Logic - Sensitive Gate TRIAC rated for 600 V off-state voltage and 1 A on-state current, manufactured by WeEn Semiconductors in TO-92-3 through-hole packaging. This component is classified as Active product status. Equivalent and substitute parts are identified based on matching electrical specifications and mechanical compatibility within the TRIAC thyristor category.

Key Parameters

Parameter	Z0109MA,412 (Main Part)
Manufacturer	WeEn Semiconductors
Category	Thyristors
Triac Type	Logic - Sensitive Gate
Voltage - Off State	600 V
Current - On State (It (RMS)) (Max)	1 A
Voltage - Gate Trigger (Vgt) (Max)	1.3 V
Current - Gate Trigger (Igt) (Max)	10 mA
Current - Hold (Ih) (Max)	10 mA
Configuration	Single
Mounting Type	Through Hole
Package / Case	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Operating Temperature	125°C (TJ)
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the Z0109MA,412 are identified based on the following critical parameters that determine functional compatibility:

Voltage - Off State: 600 V (exact match required)
Current - On State (It (RMS)) (Max): 1 A (exact match required)
Voltage - Gate Trigger (Vgt) (Max): 1.3 V (exact match required)
Configuration: Single (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: TO-92-3 or TO-226-3 compatible (exact match required)

Substitute parts are grouped into two categories:

Direct Manufacturer Equivalent: Z0109MA 1AA2 (STMicroelectronics) — identical electrical specifications and packaging with extended operating temperature range.

Similar Manufacturer Parts: L0103ME, L0107ME, L0109MERP, L601E3, L601E5 (Littelfuse Inc.), and SST131U-600D (SMC Diode Solutions) — match all critical electrical parameters and packaging requirements. Variations exist in gate trigger current (Igt), hold current (Ih), non-repetitive surge current (Itsm), and operating temperature ranges, which do not affect substitution eligibility within the specified parameter constraints.

Parameter Comparison

Parameter	Z0109MA,412	Z0109MA 1AA2	L0103ME	L0107ME	L0109MERP	L601E3	L601E5	SST131U-600D
Manufacturer	WeEn Semiconductors	STMicroelectronics	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.	SMC Diode Solutions
Triac Type	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate	Standard
Voltage - Off State	600 V	600 V	600 V	600 V	600 V	600 V	600 V	600 V
Current - On State (It (RMS)) (Max)	1 A	1 A	1 A	1 A	1 A	1 A	1 A	1 A
Voltage - Gate Trigger (Vgt) (Max)	1.3 V	1.3 V	1.3 V	1.3 V	1.3 V	1.3 V	1.3 V	1.3 V
Current - Gate Trigger (Igt) (Max)	10 mA	10 mA	3 mA	5 mA	10 mA	3 mA	5 mA	10 mA
Current - Hold (Ih) (Max)	10 mA	10 mA	7 mA	10 mA	10 mA	5 mA	10 mA	7 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)	8A, 8.5A	8A, 8.5A	10A, 12A	10A, 12A	10A, 12A	16.7A, 20A	16.7A, 20A	16A @ 50Hz
Configuration	Single	Single	Single	Single	Single	Single	Single	Single
Operating Temperature	125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-65°C ~ 125°C (TJ)	-65°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-226-3, TO-92-3	TO-226-3, TO-92-3	TO-226-3, TO-92-3	TO-226-3, TO-92-3	TO-226-3, TO-92-3	TO-226-3, TO-92-3	TO-226-3, TO-92-3	TO-226-3, TO-92-3
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable	Not Applicable	1 (Unlimited)

Engineering Selection Recommendations

All listed substitute parts maintain active product status and comply with RoHS3 requirements, ensuring regulatory alignment with current environmental standards. The Z0109MA 1AA2 from STMicroelectronics provides direct equivalence with extended operating temperature range (-40°C to 125°C) compared to the main part specification of 125°C maximum.

Littelfuse parts (L0103ME, L0107ME, L0109MERP, L601E3, L601E5) and the SMC Diode Solutions SST131U-600D all satisfy the core electrical and mechanical compatibility criteria. Selection among these alternatives depends on application-specific requirements regarding gate trigger current sensitivity, hold current characteristics, and surge current ratings, which vary across the substitute options while remaining within acceptable substitution parameters.

Frequently Asked Questions (FAQ)

Q: Can Z0109MA 1AA2 be used as a direct replacement for Z0109MA,412?

A: Yes. Z0109MA 1AA2 from STMicroelectronics matches all critical electrical parameters (600 V off-state voltage, 1 A on-state current, 1.3 V gate trigger voltage) and packaging (TO-92-3). The extended operating temperature range (-40°C to 125°C) provides additional thermal margin.

Q: What is the difference between Logic - Sensitive Gate and Standard TRIAC types in the substitute list?

A: SST131U-600D is classified as Standard TRIAC type, while the main part and most substitutes are Logic - Sensitive Gate type. Both types maintain identical voltage, current, and packaging specifications listed. The classification reflects internal gate sensitivity characteristics that do not affect the substitution criteria defined by the provided electrical parameters.

Q: Are Littelfuse L601E3 and L601E5 interchangeable with Z0109MA,412?

A: Both L601E3 and L601E5 match the critical electrical specifications (600 V, 1 A, 1.3 V gate trigger) and TO-92-3 packaging. They differ in gate trigger current (3 mA and 5 mA respectively versus 10 mA for the main part) and offer extended operating temperature range (-65°C to 125°C). These variations do not prevent substitution within the defined parameter constraints.

Q: Does packaging format (Bulk versus Tape & Reel) affect substitution?

A: Packaging format (Bulk or Tape & Reel) does not affect electrical or mechanical compatibility. L0109MERP in Tape & Reel format is functionally equivalent to bulk-packaged alternatives. Selection depends on procurement and assembly process requirements.

Q: What is the significance of non-repetitive surge current (Itsm) variations among substitute parts?

A: Itsm ratings vary across substitutes (8A/8.5A for Z0109MA,412 versus 10A/12A for Littelfuse parts and 16A for SST131U-600D). Higher Itsm ratings indicate greater transient surge tolerance. All listed values remain within acceptable operating parameters for this component category and do not restrict substitution eligibility.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message