Equivalent & Substitute Parts for L0109MEAP TRIAC Sensitive Gate 600V 1A TO-92

Part Overview

The L0109MEAP is a logic-sensitive gate TRIAC manufactured by Littelfuse Inc., rated for 600V off-state voltage and 1A on-state current in a through-hole TO-92 package. This component is classified as Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical characteristics and mechanical compatibility are maintained within the specified parameter ranges for this thyristor category.

Key Parameters

Parameter	Value	Unit
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
Operating Temperature Range	-40 to 125	°C
Mounting Type	Through Hole	—
Package / Case	TO-226-3, TO-92-3 (TO-226AA)	—
Configuration	Single	—

Substitute Part Grouping Explanation

Substitution for the L0109MEAP TRIAC is determined by the following critical parameters:

Voltage Rating: Off-state voltage must equal 600V
Current Rating: On-state current (It RMS) must equal or exceed 1A
Gate Trigger Characteristics: Vgt and Igt parameters must remain within specified maximums
Package Compatibility: TO-92 or TO-92-3 through-hole configuration required
Triac Type: Logic - Sensitive Gate classification
Temperature Range: Operating range must support -40°C to 125°C minimum
Compliance: RoHS3 compliance and REACH unaffected status required

All substitute parts listed maintain these electrical and mechanical parameters within the allowed tolerances for direct functional replacement.

Parameter Comparison

Part Number	Manufacturer	Voltage - Off State (V)	Current - On State Max (A)	Vgt Max (V)	Igt Max (mA)	Ih Max (mA)	Operating Temp (°C)	Package	Inventory (Pcs)
L0109MEAP	Littelfuse Inc.	600	1	1.3	10	10	-40 to 125	TO-92	907
Z00607MA 5BL2	STMicroelectronics	600	0.8	1.3	5	5	-40 to 110	TO-92-3	4993
Z0103MA 1AA2	STMicroelectronics	600	1	1.3	3	7	-40 to 125	TO-92-3	90400
Z0103MA 2AL2	STMicroelectronics	600	1	1.3	3	7	-40 to 125	TO-92-3	4828
Z0103MA 5AL2	STMicroelectronics	600	1	1.3	3	7	-40 to 125	TO-92-3	8200
Z0107MA 1AA2	STMicroelectronics	600	1	1.3	5	10	-40 to 125	TO-92-3	6200
Z0107MA 5AL2	STMicroelectronics	600	1	1.3	5	10	-40 to 125	TO-92-3	2300
Z0109MA 1AA2	STMicroelectronics	600	1	1.3	10	10	-40 to 125	TO-92-3	90100
Z0109MA 2AL2	STMicroelectronics	600	1	1.3	10	10	-40 to 125	TO-92	19200
Z0109MA 5AL2	STMicroelectronics	600	1	1.3	10	10	-40 to 125	TO-92	3165

Engineering Selection Recommendations

Direct Equivalents (Identical Electrical Characteristics)

Z0109MA 2AL2, Z0109MA 5AL2, and Z0109MA 1AA2 provide identical electrical specifications to the L0109MEAP, with matching Igt and Ih parameters. All three variants are STMicroelectronics products with Active status and RoHS3 compliance. Selection among these three is based on packaging format (Cut Tape or Bulk) and inventory availability.

Full-Specification Alternatives (1A Rating, Extended Temperature Range)

Z0103MA series (1AA2, 2AL2, 5AL2) and Z0107MA series (1AA2, 5AL2) maintain 1A on-state current and -40°C to 125°C operating range. These parts feature lower gate trigger current specifications (Igt 3-5 mA versus 10 mA), which represents improved gate sensitivity. All are STMicroelectronics products with Active status and RoHS3 compliance.

Current-Reduced Alternative

Z00607MA 5BL2 operates at 0.8A on-state current with reduced gate trigger parameters (Igt 5 mA, Ih 5 mA) and a narrower operating temperature range (-40°C to 110°C). This part is suitable only for applications where 0.8A current capacity is sufficient.

All substitute parts maintain 600V off-state voltage, 1.3V maximum gate trigger voltage, TO-92 or TO-92-3 through-hole package compatibility, and RoHS3 compliance with REACH unaffected status.

Frequently Asked Questions (FAQ)

Q: Can Z00607MA 5BL2 replace L0109MEAP in all applications?

A: Z00607MA 5BL2 has a reduced on-state current rating of 0.8A compared to the L0109MEAP's 1A. It is suitable only for circuits designed for 0.8A or lower current operation. Additionally, its operating temperature range is limited to -40°C to 110°C, which may not support applications requiring the full -40°C to 125°C range.

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

A: Both Z0103MA and Z0107MA series maintain identical voltage and current ratings. The primary difference is in gate trigger current specifications: Z0103MA has Igt max of 3 mA, while Z0107MA has Igt max of 5 mA. Both are functionally equivalent to L0109MEAP for applications within their specified parameters.

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

A: No. Z0109MA variants are available in both Cut Tape (CT) and Bulk packaging. Z0103MA and Z0107MA series offer Cut Tape and Bulk options. Z00607MA 5BL2 is available in Cut Tape format only. Packaging selection depends on assembly requirements and procurement volume.

Q: Do all substitute parts meet the same compliance standards as L0109MEAP?

A: All listed substitute parts are RoHS3 compliant and REACH unaffected, matching the L0109MEAP compliance profile. All are classified as Active product status.

Q: Which substitute part has the closest electrical match to L0109MEAP?

A: Z0109MA series (1AA2, 2AL2, 5AL2) provides identical Igt and Ih specifications (10 mA maximum for both parameters) and matching 1A on-state current rating with -40°C to 125°C operating range. These parts are the closest functional equivalents.

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