BCR12FM-12LB#BB0 Equivalent & Substitute Parts

Part Overview

The BCR12FM-12LB#BB0 is a standard TRIAC rated for 600V off-state voltage and 12A on-state current in a Through Hole TO-220FP package. This part is classified as Obsolete, making identification of equivalent and substitute components necessary for ongoing design support and procurement continuity. Substitute parts must maintain electrical performance within the specified parameter ranges while accommodating available packaging and product status options.

Key Parameters

Parameter	Value
Voltage - Off State	600 V
Current - On State (It (RMS)) (Max)	12 A
Voltage - Gate Trigger (Vgt) (Max)	1.5 V
Current - Non Rep. Surge 50, 60Hz (Itsm)	120A @ 50Hz
Current - Gate Trigger (Igt) (Max)	30 mA
Configuration	Single
Operating Temperature	-40°C ~ 150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-220-3 Full Pack
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by matching the following critical parameters: off-state voltage (600V), on-state current rating (12A), configuration (Single), mounting type (Through Hole), and RoHS compliance. Substitute parts must operate within the specified gate trigger voltage and current ranges. Package variations within the TO-220 family are acceptable provided mechanical compatibility is verified for the application.

Two substitute parts meet these criteria:

Direct Substitute (Same Manufacturer): BCR12FM-12LB#BH0 maintains identical electrical specifications and differs only in package designation (TO-220FPA vs. TO-220FP) and product status (Active vs. Obsolete).

Cross-Manufacturer Substitute: Q6012LH5TP from Littelfuse Inc. meets the core voltage and current requirements but operates as an Alternistor (snubberless) TRIAC type with modified gate trigger characteristics and reduced maximum operating temperature.

Parameter Comparison

Parameter	BCR12FM-12LB#BB0 (Main)	BCR12FM-12LB#BH0 (Direct)	Q6012LH5TP (Cross-Mfg)
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation	Littelfuse Inc.
Triac Type	Standard	Standard	Alternistor - Snubberless
Voltage - Off State	600 V	600 V	600 V
Current - On State (It (RMS)) (Max)	12 A	12 A	12 A
Voltage - Gate Trigger (Vgt) (Max)	1.5 V	1.5 V	1.3 V
Current - Gate Trigger (Igt) (Max)	30 mA	30 mA	50 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)	120A @ 50Hz	120A @ 50Hz	110A, 120A
Operating Temperature	-40°C ~ 150°C (TJ)	-40°C ~ 150°C (TJ)	-40°C ~ 125°C (TJ)
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	TO-220-3 Full Pack	TO-220-3 Full Pack	TO-220-3 Isolated Tab
Product Status	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

BCR12FM-12LB#BH0 is the primary substitute for BCR12FM-12LB#BB0. Both parts are manufactured by Renesas Electronics Corporation with identical electrical specifications and operating temperature range. The only distinction is package designation and active product status, making this a direct replacement suitable for all applications currently using the obsolete BCR12FM-12LB#BB0.

Q6012LH5TP is a cross-manufacturer alternative from Littelfuse Inc. This part meets the core voltage and current requirements but introduces functional differences: Alternistor technology (snubberless design), lower gate trigger voltage (1.3V vs. 1.5V), higher gate trigger current (50mA vs. 30mA), and reduced maximum operating temperature (125°C vs. 150°C). Selection of this part requires confirmation that the application tolerates these parameter variations and the isolated tab package configuration.

All three parts maintain ROHS3 compliance and EAR99 export classification.

Frequently Asked Questions (FAQ)

Q: Can BCR12FM-12LB#BH0 be used as a direct replacement for BCR12FM-12LB#BB0?

A: Yes. Both parts are Renesas standard TRIACs with identical electrical specifications (600V, 12A, 1.5V gate trigger, 30mA gate trigger current, -40°C to 150°C operating range). The package designation differs (TO-220FPA vs. TO-220FP), but both are TO-220-3 Full Pack configurations suitable for the same PCB footprint and mounting hardware.

Q: What are the key differences between the Renesas BCR12FM-12LB#BH0 and the Littelfuse Q6012LH5TP?

A: Both maintain 600V and 12A ratings. The Q6012LH5TP is an Alternistor (snubberless) design with lower gate trigger voltage (1.3V), higher gate trigger current (50mA), and reduced maximum operating temperature (125°C). The Q6012LH5TP uses an isolated tab package variant. These differences may affect circuit behavior in applications sensitive to gate drive requirements or operating at elevated temperatures.

Q: Is the isolated tab package of the Q6012LH5TP compatible with designs using the full pack configuration?

A: Package compatibility depends on the specific PCB layout and thermal management design. The isolated tab configuration provides electrical isolation between the tab and the mounting surface, which may be required or beneficial in certain applications. Mechanical mounting hole spacing and thermal interface requirements must be verified against the application design.

Q: What is the product status significance for these parts?

A: BCR12FM-12LB#BB0 is classified as Obsolete, indicating discontinued manufacturing and limited availability. BCR12FM-12LB#BH0 and Q6012LH5TP are both Active products with ongoing production and supply availability, making them suitable for long-term design support and procurement planning.

Q: Are all three parts RoHS compliant?

A: Yes. BCR12FM-12LB#BB0, BCR12FM-12LB#BH0, and Q6012LH5TP are all ROHS3 compliant and suitable for applications requiring lead-free component specifications.

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