40A 800V Isolated TRIAC Product overview: BTA40-800B from STMicroelectronics is a Triac for embedded electronics, industrial equipment, maintenance repair, OEM production, and component sourcing. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Isolated, 40A, 800V. Search-friendly keywords include Triac, TRIACs, electronic component, datasheet, replacement part, Isolated, 40A, 800V. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 300-BTA40-800B can be used for catalog matching and distributor lookup.
TRIAC Standard 800V 40A Chassis Mount RD91
Manufacturer: STMicroelectronics
Win Source Part Number: 037355-BTA40-800B
Packaging: Tube/Rail
Mounting: Chassis Mount
Current - Hold (Ih) (Max): 80mA
Configuration: Single
Voltage - Off State: 800V
Voltage - Gate Trigger (Vgt) (Max): 1.3V
Current - Gate Trigger (Igt) (Max): 50mA
Current - On State (It (RMS)) (Max): 40A
Current - Non Rep. Surge 50, 60Hz (Itsm): 400A, 420A
Triac Type: Standard
Family Name: BTA40-800B
Categories: Discrete Semiconductor Products
Status: Active
Temperature Range - Operating: -40°C to 125°C (TJ)
Case / Package: RD91
Alternative Parts (Cross-Reference): CQ3P-40N; BTA40-800BRG;
Introduction Date: December 06, 2000
ECCN: EAR99
Country of Origin: Philippines
Estimated EOL Date: 2023
Halogen Free: Not Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 66 pct.
Supply and Demand Status: Limited
TRIAC, HIGH CURRENT, LOW THERMAL RESISTANCE W/ CLIP BONDING, HIGH COMMUTATION CAPABILITY, 40 AMP, 800 VOLT, BTA SERIES. FREE 2 YEAR RADWELL WARRANTY
Triac, 800 V, 50 mA, 40 A, 400 A, 80 mA, 1.5 V RoHS Compliant: Yes
TRIAC, 800V, 40A, RD91; Peak Repetitive Off State Voltage:800V; On State RMS Current:40A; Triac Case Style:RD-91; Gate Trigger Voltage Max:1.5V; Peak Non Repetitive Surge Current:400A; Holding Current Max:80mA; No. of Pins:3Pins RoHS Compliant: Yes
TRIAC 800V 40A RD91
TRIAC; RD91; 40A IT(AV); 800 + 100V IDRM; 40A; 800V; 0.9; 50; -40; +125
| ERSAELECTRONICS PTE. LTD. | DigiKey | ODG (Origin Data Global) | RS Components, Ltd. | RS Components, Ltd. | Win Source Electronics | Radwell International | VAST STOCK CO., LIMITED | Newark, An Avnet Company | Newark, An Avnet Company | Shenzhen Shengyu Electronics Technology Limited | Allied Electronics, Inc. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Product Category | Triacs | Thyristors | Triacs | Triacs | Triacs | Triacs | Triacs | Thyristors | Triacs | Triacs | Triacs | Triacs |
| Product Number | 300-BTA40-800B | 497-2405-5-ND | BTA40-800B | 1024086 | 7142603P | 037355-BTA40-800B | 566994 | BTA40-800B | 24M0818 | 56P5901 | BTA40-800B | 70013661 |
| Product Name | Isolated 40A 800V Triac | TRIACs | TRIACs | TRIACs | TRIACs | Triacs - BTA40-800B | Thyristor/SCR/Triac/Diac/Alternistor | Triacs | Triac, 800 V, 50 Ma, 40 A, 400 A, 80 Ma, 1.5 V Rohs Compliant Stmicroelectronics | Triac, 800V, 40A, Rd91; Peak Repetitive Off State Voltage Stmicroelectronics | Discrete Semiconductor Products - Thyristors - TRIACs | TRIAC; RD91; 40A IT(AV); 800 + 100V IDRM; 40A; 800V; 0.9; 50; -40; +125 |
| Standards and Certifications | RoHS | RoHS | RoHS | RoHS | RoHS | |||||||
| VRRM | 800 volts | |||||||||||
| Operating Temperature | -40 C (-40 F) | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | |||||||
| Package Type | RD91-3 (Insulated) | RD91-3 (Insulated) | Rd-91 | RD-91 | RD91 | RD-91 | RD91-3 (Insulated) | RD91 | ||||
| Pin Count | 3 | 3 | 3 |
