L0107MERP TRIAC Equivalent & Substitute Parts

Part Overview

The L0107MERP is a Logic-Sensitive Gate TRIAC manufactured by Littelfuse Inc., rated for 600 V off-state voltage and 1 A on-state current in a TO-92 through-hole package. This component is Active status and ROHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, supply chain considerations, or design flexibility within the specified parameter ranges.

Key Parameters

Parameter	Value
Manufacturer Part Number	L0107MERP
Manufacturer	Littelfuse Inc.
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)	5 mA
Current - Hold (Ih) (Max)	10 mA
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the L0107MERP are qualified based on the following electrical and mechanical criteria:

Critical Parameters for Substitution:

Voltage - Off State: 600 V (exact match required)
Triac Type: Logic - Sensitive Gate (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: TO-92-3 or TO-226-3 (mechanical compatibility required)
Configuration: Single (exact match required)

Allowable Parameter Variations:

Current - On State (It (RMS)) (Max): 0.8 A to 1 A (equal or greater capacity acceptable)
Voltage - Gate Trigger (Vgt) (Max): 1.3 V (exact match)
Current - Gate Trigger (Igt) (Max): 3 mA to 10 mA (within logic-level gate drive range)
Current - Hold (Ih) (Max): 5 mA to 10 mA (within acceptable hold current range)
Operating Temperature: -40°C ~ 110°C to -40°C ~ 125°C (equal or greater range acceptable)
RoHS Status: ROHS3 Compliant (exact match required)

All substitute parts are manufactured by STMicroelectronics and maintain Active product status with ROHS3 compliance.

Parameter Comparison

Parameter	L0107MERP (Main)	Z00607MA 5BL2	Z0103MA 1AA2	Z0103MA 2AL2	Z0103MA 5AL2	Z0107MA 1AA2	Z0107MA 5AL2	Z0109MA 1AA2	Z0109MA 2AL2	Z0109MA 5AL2
Manufacturer	Littelfuse Inc.	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Voltage - Off State	600 V	600 V	600 V	600 V	600 V	600 V	600 V	600 V	600 V	600 V
Current - On State (It (RMS)) (Max)	1 A	800 mA	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	1.3 V	1.3 V
Current - Gate Trigger (Igt) (Max)	5 mA	5 mA	3 mA	3 mA	3 mA	5 mA	5 mA	10 mA	10 mA	10 mA
Current - Hold (Ih) (Max)	10 mA	5 mA	7 mA	7 mA	7 mA	10 mA	10 mA	10 mA	10 mA	10 mA
Operating Temperature	-40°C ~ 125°C	-40°C ~ 110°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-92-3	TO-92-3	TO-92-3	TO-92-3	TO-92-3	TO-92-3	TO-92-3	TO-92-3	TO-92	TO-92
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with the original L0107MERP component. Selection among substitute parts depends on specific application requirements within the allowable parameter ranges.

Z00607MA 5BL2 is suitable for applications where on-state current requirements do not exceed 800 mA. This part operates within a reduced temperature range (-40°C ~ 110°C) compared to the main part, which may limit use in high-temperature environments.

Z0103MA series (1AA2, 2AL2, 5AL2) provides 1 A on-state current with reduced gate trigger current (3 mA maximum) and hold current (7 mA maximum), offering improved gate sensitivity. These parts are available in Bulk and Cut Tape packaging options.

Z0107MA series (1AA2, 5AL2) maintains identical gate trigger and hold current specifications to the L0107MERP (5 mA and 10 mA respectively) while providing 1 A on-state current. These parts are available in Bulk and Cut Tape packaging.

Z0109MA series (1AA2, 2AL2, 5AL2) provides 1 A on-state current with increased gate trigger current (10 mA maximum) and hold current (10 mA maximum), suitable for applications requiring higher gate drive levels. These parts are available in Bulk and Cut Tape packaging options.

Frequently Asked Questions (FAQ)

Q: Can Z00607MA 5BL2 be used as a direct replacement for L0107MERP?

A: Z00607MA 5BL2 is electrically compatible for applications where the maximum on-state current requirement is 800 mA or less. The part operates at a reduced maximum temperature of 110°C compared to L0107MERP at 125°C. Verify application current and temperature requirements before selection.

Q: What is the difference between Z0103MA, Z0107MA, and Z0109MA series?

A: All three series provide 1 A on-state current and 600 V off-state voltage. The primary differences are in gate trigger current (Igt) and hold current (Ih) specifications. Z0103MA has 3 mA Igt and 7 mA Ih; Z0107MA has 5 mA Igt and 10 mA Ih; Z0109MA has 10 mA Igt and 10 mA Ih. Selection depends on gate drive circuit requirements.

Q: Are all substitute parts available in the same packaging as L0107MERP?

A: L0107MERP is supplied in Tape & Reel (TR) packaging. Substitute parts are available in Cut Tape (CT) and Bulk packaging options. Z0109MA 2AL2 and Z0109MA 5AL2 are supplied in TO-92 package variant, while other substitutes use TO-92-3. Verify packaging compatibility with assembly equipment and procurement requirements.

Q: Do all substitute parts meet the same compliance standards as L0107MERP?

A: All substitute parts listed are ROHS3 compliant, REACH unaffected, and classified as EAR99 with identical HTSUS code (8541.30.0080). All parts maintain Active product status and Moisture Sensitivity Level 1 (Unlimited).

Q: Can Z0103MA parts be used in high-temperature applications?

A: Z0103MA series parts are rated for -40°C ~ 125°C operating temperature, matching the L0107MERP specification. These parts are suitable for high-temperature applications within this range.

Q: What inventory levels are available for substitute parts?

A: Z0103MA 1AA2 has 90,400 pcs in stock; Z0109MA 1AA2 has 90,100 pcs; Z0109MA 2AL2 has 19,200 pcs; Z0103MA 2AL2 has 4,828 pcs; Z0103MA 5AL2 has 8,200 pcs; Z0107MA 1AA2 has 6,200 pcs; Z0107MA 5AL2 has 2,300 pcs; Z00607MA 5BL2 has 4,993 pcs; Z0109MA 5AL2 has 3,165 pcs.

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