BTA201-600E,126 Equivalent & Substitute Parts

Part Overview

The BTA201-600E,126 is a Logic - Sensitive Gate TRIAC rated for 600 V off-state voltage and 1 A on-state current in a Through Hole TO-92-3 package. Manufactured by WeEn Semiconductors, this component is Active in product status with 651 units in stock. Equivalent and substitute parts are identified based on matching electrical characteristics and mechanical compatibility to support design flexibility, inventory optimization, and supply chain continuity.

Key Parameters

Parameter	Value
Triac Type	Logic - Sensitive Gate
Voltage - Off State	600 V
Current - On State (It (RMS)) (Max)	1 A
Voltage - Gate Trigger (Vgt) (Max)	1.5 V
Current - Gate Trigger (Igt) (Max)	10 mA
Current - Hold (Ih) (Max)	12 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	RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Primary Matching Parameters:

Triac Type: Logic - Sensitive Gate
Voltage - Off State: 600 V
Current - On State (It (RMS)) (Max): 1 A
Mounting Type: Through Hole
Package / Case: TO-92-3 or TO-92

Secondary Compatibility Parameters:

Voltage - Gate Trigger (Vgt) (Max): ≤ 1.5 V
Current - Gate Trigger (Igt) (Max): ≤ 10 mA
Current - Hold (Ih) (Max): ≤ 12 mA
Operating Temperature Range: Minimum -40°C, Maximum ≥ 125°C

Substitute parts meeting all primary parameters and within secondary parameter limits are classified as direct equivalents. Parts with relaxed gate trigger specifications or reduced current ratings are noted for application-specific evaluation.

Parameter Comparison

Part Number	Manufacturer	Triac Type	Voltage - Off State	Current - On State (Max)	Vgt (Max)	Igt (Max)	Ih (Max)	Operating Temp	Package	RoHS Status
BTA201-600E,126	WeEn Semiconductors	Logic - Sensitive Gate	600 V	1 A	1.5 V	10 mA	12 mA	-40°C ~ 125°C	TO-92-3	RoHS Compliant
L0103ME	Littelfuse Inc.	Logic - Sensitive Gate	600 V	1 A	1.3 V	3 mA	7 mA	-40°C ~ 125°C	TO-92-3	ROHS3 Compliant
L0107ME	Littelfuse Inc.	Logic - Sensitive Gate	600 V	1 A	1.3 V	5 mA	10 mA	-40°C ~ 125°C	TO-92-3	ROHS3 Compliant
L0109MERP	Littelfuse Inc.	Logic - Sensitive Gate	600 V	1 A	1.3 V	10 mA	10 mA	-40°C ~ 125°C	TO-92-3	ROHS3 Compliant
L601E5	Littelfuse Inc.	Logic - Sensitive Gate	600 V	1 A	1.3 V	5 mA	10 mA	-65°C ~ 125°C	TO-92-3	ROHS3 Compliant
Q601E3	Littelfuse Inc.	Logic - Sensitive Gate	600 V	1 A	1.3 V	10 mA	15 mA	-65°C ~ 125°C	TO-92-3	ROHS3 Compliant
Q601E4	Littelfuse Inc.	Standard	600 V	1 A	1.3 V	25 mA	25 mA	-65°C ~ 125°C	TO-92-3	ROHS3 Compliant
Z00607MA 1BA2	STMicroelectronics	Logic - Sensitive Gate	600 V	800 mA	1.3 V	5 mA	5 mA	-40°C ~ 110°C	TO-92-3	ROHS3 Compliant
Z00607MA 2BL2	STMicroelectronics	Logic - Sensitive Gate	600 V	800 mA	1.3 V	5 mA	5 mA	-40°C ~ 110°C	TO-92-3	ROHS3 Compliant
Z00607MA 5BL2	STMicroelectronics	Logic - Sensitive Gate	600 V	800 mA	1.3 V	5 mA	5 mA	-40°C ~ 110°C	TO-92-3	ROHS3 Compliant
Z0103MA 1AA2	STMicroelectronics	Logic - Sensitive Gate	600 V	1 A	1.3 V	3 mA	7 mA	-40°C ~ 125°C	TO-92-3	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalents (Full Compatibility): L0103ME, L0107ME, L0109MERP, Z0103MA 1AA2 are Logic - Sensitive Gate TRIACs with 600 V off-state voltage and 1 A on-state current. All operate within -40°C to 125°C temperature range and are packaged in TO-92-3. Gate trigger parameters are within or superior to the BTA201-600E,126 specification. All substitute parts carry ROHS3 compliance, meeting modern environmental standards.

Extended Temperature Range: L601E5 and Q601E3 extend the operating temperature range to -65°C, providing enhanced performance in cold environments. Both maintain 1 A on-state current and 600 V off-state voltage with Logic - Sensitive Gate characteristics.

Limited Current Rating: Z00607MA variants (1BA2, 2BL2, 5BL2) are rated for 800 mA on-state current, below the 1 A specification of the main part. These are suitable only for applications where the reduced current rating is acceptable. Operating temperature is limited to -40°C ~ 110°C.

Non-Sensitive Gate Alternative: Q601E4 is a Standard TRIAC with higher gate trigger current (25 mA) and hold current (25 mA) specifications. This part is suitable only where sensitive gate triggering is not required.

Frequently Asked Questions (FAQ)

Q: Can L0103ME replace BTA201-600E,126 directly? A: Yes. L0103ME is a Logic - Sensitive Gate TRIAC with identical 600 V and 1 A ratings, matching package TO-92-3, and operating temperature -40°C ~ 125°C. Gate trigger specifications are superior (Vgt 1.3 V, Igt 3 mA).

Q: What is the difference between L0107ME and L0109MERP? A: Both are Littelfuse Logic - Sensitive Gate TRIACs with 600 V and 1 A ratings. L0107ME has Igt 5 mA and Ih 10 mA. L0109MERP has Igt 10 mA and Ih 10 mA, matching the BTA201-600E,126 gate trigger current specification. L0109MERP is supplied in Tape & Reel packaging.

Q: Why are Z00607MA parts listed as substitutes if they have 800 mA current rating? A: Z00607MA variants meet the 600 V voltage and Logic - Sensitive Gate type requirements but are rated for 800 mA instead of 1 A. These are conditional substitutes suitable only for applications where 800 mA on-state current is sufficient.

Q: Is Q601E4 a suitable replacement? A: Q601E4 is a Standard TRIAC, not Logic - Sensitive Gate. It has higher gate trigger requirements (25 mA vs. 10 mA). Use only if sensitive gate triggering is not required in your application.

Q: What is the temperature range difference between L601E5 and the main part? A: L601E5 operates from -65°C to 125°C, extending the lower temperature limit by 25°C compared to BTA201-600E,126 (-40°C ~ 125°C). This provides enhanced performance in cold environments.

Q: Are all substitute parts RoHS compliant? A: Yes. All listed substitute parts carry ROHS3 compliance or RoHS Compliant status, meeting environmental and regulatory requirements equivalent to or exceeding the main part specification.

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