CQ220-10M Equivalent & Substitute Parts

Part Overview

The CQ220-10M is an internally triggered TRIAC rated for 600 V off-state voltage and 10 A on-state current in a Through Hole TO-220-3 package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Internal triggering architecture distinguishes this device from standard TRIAC configurations. Substitution requires matching or exceeding the electrical performance envelope while maintaining mechanical compatibility with the TO-220-3 footprint.

Key Parameters

Parameter	CQ220-10M Value
Voltage - Off State	600 V
Current - On State (It (RMS)) (Max)	10 A
Voltage - Gate Trigger (Vgt) (Max)	1.5 V
Current - Gate Trigger (Igt) (Max)	50 mA
Current - Hold (Ih) (Max)	25 mA
Operating Temperature Range	-40°C ~ 110°C (TJ)
Package / Case	TO-220-3
Mounting Type	Through Hole

Substitute Part Grouping Explanation

Substitution of the CQ220-10M is determined by the following criteria:

Mandatory Matching Parameters:

Voltage - Off State: 600 V minimum
Package / Case: TO-220-3
Mounting Type: Through Hole
Current - On State (It (RMS)): 10 A or greater
Voltage - Gate Trigger (Vgt): 1.5 V or less
Current - Gate Trigger (Igt): 50 mA or less
Current - Hold (Ih): 25 mA or less

Substitute parts are grouped into two categories based on TRIAC type and gate trigger characteristics:

Category 1: Standard TRIAC (600 V, 10 A)

BTA10-600CRG: Direct current rating match with standard gate triggering

Category 2: Enhanced Current Rating (600 V, 12 A)

BTA212-600E,127: Exceeds current specification with sensitive gate triggering
T1225T-6I: Exceeds current specification with Alternistor snubberless architecture

Category 3: Reduced Current Rating (600 V, 8 A)

BTA08-600CRG: Standard gate triggering
BTA08-600SRG: Sensitive gate triggering
BTB08-600CRG: Standard gate triggering
L6008R8TP: Sensitive gate triggering
T810H-6T: Sensitive gate triggering with extended temperature range

Parameter Comparison

Part Number	Manufacturer	Voltage - Off State	Current - On State (Max)	Vgt (Max)	Igt (Max)	Ih (Max)	Operating Temperature	TRIAC Type	Product Status
CQ220-10M	Central Semiconductor Corp	600 V	10 A	1.5 V	50 mA	25 mA	-40°C ~ 110°C	Internally Triggered	Obsolete
BTA10-600CRG	STMicroelectronics	600 V	10 A	1.3 V	25 mA	25 mA	-40°C ~ 125°C	Standard	Active
BTA212-600E,127	WeEn Semiconductors	600 V	12 A	1.5 V	10 mA	25 mA	-40°C ~ 125°C	Logic - Sensitive Gate	Active
T1225T-6I	STMicroelectronics	600 V	12 A	1.3 V	25 mA	20 mA	-40°C ~ 125°C	Alternistor - Snubberless	Active
BTA08-600CRG	STMicroelectronics	600 V	8 A	1.3 V	25 mA	25 mA	-40°C ~ 125°C	Standard	Active
BTA08-600SRG	STMicroelectronics	600 V	8 A	1.3 V	10 mA	25 mA	-40°C ~ 125°C	Logic - Sensitive Gate	Active
BTB08-600CRG	STMicroelectronics	600 V	8 A	1.3 V	25 mA	25 mA	-40°C ~ 125°C	Standard	Active
L6008R8TP	Littelfuse Inc.	600 V	8 A	1.3 V	10 mA	20 mA	-40°C ~ 110°C	Logic - Sensitive Gate	Active
T810H-6T	STMicroelectronics	600 V	8 A	1 V	10 mA	25 mA	-40°C ~ 150°C	Logic - Sensitive Gate	Active

Engineering Selection Recommendations

Primary Recommendation: BTA10-600CRG

The BTA10-600CRG provides direct electrical equivalence to the CQ220-10M with matching 600 V / 10 A ratings. This STMicroelectronics standard TRIAC maintains all critical parameters within specification and extends the operating temperature range to 125°C. Product status is active with established supply chain availability. RoHS3 compliance and REACH unaffected status align with modern manufacturing standards.

Alternative for Enhanced Current Margin: BTA212-600E,127

The BTA212-600E,127 from WeEn Semiconductors provides 12 A on-state current, exceeding the CQ220-10M requirement by 20%. Voltage and gate trigger specifications remain compatible. Sensitive gate architecture reduces gate trigger current to 10 mA. Operating temperature extends to 125°C. This selection is appropriate when additional current headroom is required for thermal or reliability considerations.

Alternative for Snubberless Operation: T1225T-6I

The T1225T-6I from STMicroelectronics employs Alternistor snubberless architecture with 12 A current rating. This configuration eliminates the need for external snubber networks in certain applications. Gate trigger voltage is 1.3 V with 25 mA gate current. Operating temperature range extends to 125°C. Selection is appropriate for applications where snubberless operation provides circuit simplification benefits.

Reduced Current Rating Alternatives: 8 A Devices

The BTA08-600CRG, BTA08-600SRG, BTB08-600CRG, L6008R8TP, and T810H-6T are suitable only when circuit design permits operation at 8 A maximum on-state current. These devices maintain 600 V voltage rating and TO-220-3 package compatibility. Selection among these options depends on gate trigger sensitivity requirements and operating temperature constraints. The T810H-6T extends operating temperature to 150°C, providing thermal margin in high-temperature environments.

Frequently Asked Questions (FAQ)

Q: Can the BTA08-600CRG replace the CQ220-10M directly?

A: The BTA08-600CRG is mechanically compatible (TO-220-3 package) and electrically compatible for voltage rating (600 V). However, the on-state current rating is 8 A versus the CQ220-10M specification of 10 A. This substitution is valid only if circuit design permits operation at the reduced 8 A current limit. Verify that maximum load current does not exceed 8 A RMS.

Q: What is the difference between standard and sensitive gate TRIAC types?

A: Sensitive gate TRIACs require lower gate trigger current (typically 10 mA) compared to standard types (typically 25 mA). Sensitive gate devices are advantageous when gate drive circuits have limited current capability. Standard gate devices provide more robust triggering with higher noise immunity. Selection depends on gate drive circuit design.

Q: Is the CQ220-10M internally triggered architecture critical for substitution?

A: The internal triggering feature of the CQ220-10M is an architectural characteristic that does not affect substitution compatibility. Standard, sensitive gate, and Alternistor TRIAC types all function as controlled switches with external gate drive. The substitute parts listed operate with conventional external gate triggering and are electrically equivalent for circuit operation.

Q: Can I use a 12 A rated TRIAC in place of the 10 A CQ220-10M?

A: Yes. The BTA212-600E,127 and T1225T-6I both provide 12 A on-state current ratings, exceeding the CQ220-10M specification. This provides additional current margin and thermal headroom. All other electrical parameters remain compatible. No circuit modification is required.

Q: What is the significance of the TO-220-3 package specification?

A: The TO-220-3 package defines the physical footprint, pin spacing, and mounting method. All substitute parts listed maintain TO-220-3 compatibility, ensuring direct mechanical replacement without PCB modification. Package variants such as TO-220AB or TO-220AB-R are functionally equivalent for through-hole mounting applications.

Q: Are all substitute parts RoHS compliant?

A: All substitute parts listed carry RoHS3 compliance certification. The CQ220-10M is obsolete and does not carry RoHS certification. Transition to any active substitute part ensures compliance with current environmental and manufacturing regulations.

Q: What operating temperature range should I select?

A: The CQ220-10M operates from -40°C to 110°C. Most substitute parts extend this range to -40°C to 125°C, providing additional thermal margin. The T810H-6T extends to -40°C to 150°C for applications requiring extended high-temperature operation. Select based on actual circuit operating temperature requirements.

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