QJ6016RH4TP TRIAC Alternistor 600V 16A Equivalent & Substitute Parts

Part Overview

The QJ6016RH4TP is a TRIAC Alternistor (Snubberless) manufactured by Littelfuse Inc., rated for 600V off-state voltage and 16A on-state current in a Through Hole TO-220AB package. This component is classified as Active product status with full ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified based on matching electrical specifications including voltage rating, current capacity, gate trigger characteristics, and thermal operating range, while maintaining compatible package configurations for direct board-level replacement.

Key Parameters

Parameter	Value
Voltage - Off State	600 V
Current - On State (It (RMS)) (Max)	16 A
Voltage - Gate Trigger (Vgt) (Max)	1.3 V
Current - Gate Trigger (Igt) (Max)	35 mA
Current - Hold (Ih) (Max)	50 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)	167A, 200A
Operating Temperature Range	-40°C ~ 150°C (TJ)
Package / Case	TO-220-3
Mounting Type	Through Hole
Triac Type	Alternistor - Snubberless
Configuration	Single
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the QJ6016RH4TP is determined by the following criteria:

Primary Matching Parameters:

Voltage - Off State: 600 V (exact match required)
Current - On State (It (RMS)) (Max): 16 A minimum (equal or higher acceptable)
Package / Case: TO-220-3 (mechanical compatibility)
Mounting Type: Through Hole (board-level installation compatibility)
Configuration: Single (functional equivalence)

Secondary Compatibility Parameters:

Voltage - Gate Trigger (Vgt) (Max): 1.3 V to 1.5 V range (gate drive circuit compatibility)
Current - Gate Trigger (Igt) (Max): 10 mA to 50 mA range (control circuit compatibility)
Current - Hold (Ih) (Max): 45 mA to 50 mA range (holding current tolerance)
Operating Temperature Range: Minimum -40°C to maximum 125°C or higher (thermal envelope compatibility)

Compliance Requirements:

RoHS3 Compliant (regulatory equivalence)
Active product status (availability and support)

Substitute parts are grouped into two categories: Parametric Equivalents (identical electrical specifications from the same manufacturer) and MFR Recommended Substitutes (alternative manufacturers with compatible electrical and mechanical characteristics within specified tolerance ranges).

Parameter Comparison

Part Number	Manufacturer	Triac Type	Voltage - Off State	Current - On State (Max)	Vgt (Max)	Igt (Max)	Ih (Max)	Itsm (50/60Hz)	Operating Temp	Package	Status
QJ6016RH4TP	Littelfuse Inc.	Alternistor - Snubberless	600 V	16 A	1.3 V	35 mA	50 mA	167A, 200A	-40°C ~ 150°C	TO-220AB	Active
QV6016RH4TP	Littelfuse Inc.	Alternistor - Snubberless	600 V	16 A	1.3 V	35 mA	50 mA	167A, 200A	-40°C ~ 150°C	TO-220AB	Active
BT139-600,127	WeEn Semiconductors	Standard	600 V	16 A	1.5 V	35 mA	45 mA	155A, 170A	-40°C ~ 125°C	TO-220AB	Active
BT139-600E,127	WeEn Semiconductors	Logic - Sensitive Gate	600 V	16 A	1.5 V	10 mA	45 mA	155A, 170A	-40°C ~ 125°C	TO-220AB	Active
BT139-600E/DG,127	NXP USA Inc.	Logic - Sensitive Gate	600 V	16 A	1.5 V	10 mA	45 mA	155A, 170A	-40°C ~ 125°C	TO-220AB	Active
BTA16-600BRG	STMicroelectronics	Standard	600 V	16 A	1.3 V	50 mA	50 mA	160A, 168A	-40°C ~ 125°C	TO-220	Active
BTA16-600BWRG	STMicroelectronics	Alternistor - Snubberless	600 V	16 A	1.3 V	50 mA	50 mA	160A, 168A	-40°C ~ 125°C	TO-220	Active
BTA20-600CWRG	STMicroelectronics	Alternistor - Snubberless	600 V	20 A	1.5 V	35 mA	50 mA	210A, 200A	-40°C ~ 125°C	TO-220	Active
BTB16-600BRG	STMicroelectronics	Standard	600 V	16 A	1.3 V	50 mA	50 mA	160A, 168A	-40°C ~ 125°C	TO-220	Active
BTB16-600BWRG	STMicroelectronics	Alternistor - Snubberless	600 V	16 A	1.3 V	50 mA	50 mA	160A, 168A	-40°C ~ 125°C	TO-220	Active

Engineering Selection Recommendations

Parametric Equivalent (Direct Replacement): QV6016RH4TP from Littelfuse Inc. provides identical electrical specifications and thermal operating range (-40°C ~ 150°C) with matching Alternistor - Snubberless configuration. This part maintains full compatibility with the original QJ6016RH4TP design without circuit modification.

MFR Recommended Substitutes - Littelfuse Alternistor Series: BTA16-600BWRG and BTB16-600BWRG from STMicroelectronics maintain Alternistor - Snubberless type classification with matching 600V/16A ratings and 1.3V gate trigger voltage. Operating temperature range is -40°C ~ 125°C, which is 25°C lower than the main part. Both parts are ROHS3 compliant and Active status.

MFR Recommended Substitutes - Standard TRIAC Series: BT139-600,127 and BTA16-600BRG/BTB16-600BRG provide Standard TRIAC functionality at 600V/16A with gate trigger voltage of 1.3V to 1.5V. These parts operate within -40°C ~ 125°C range and are suitable where Alternistor snubberless characteristics are not required. All parts maintain ROHS3 compliance and Active status.

MFR Recommended Substitutes - Sensitive Gate Series: BT139-600E,127 (WeEn Semiconductors) and BT139-600E/DG,127 (NXP USA Inc.) feature Logic - Sensitive Gate configuration with reduced gate trigger current (10 mA) compared to the main part (35 mA). These parts are applicable in circuits requiring lower gate drive current while maintaining 600V/16A electrical ratings and ROHS3 compliance.

Higher Current Alternative: BTA20-600CWRG from STMicroelectronics provides 20A on-state current with Alternistor - Snubberless type, suitable for applications requiring current margin above the 16A specification. Operating temperature range is -40°C ~ 125°C with ROHS3 compliance.

All substitute parts are classified as Active product status with ROHS3 compliance, ensuring regulatory equivalence and ongoing manufacturer support.

Frequently Asked Questions (FAQ)

Q: Can QV6016RH4TP replace QJ6016RH4TP without circuit modification? A: Yes. QV6016RH4TP is a parametric equivalent with identical electrical specifications, gate trigger voltage (1.3V), current ratings (16A on-state, 35mA gate trigger), and operating temperature range (-40°C ~ 150°C). Direct pin-for-pin substitution is supported.

Q: What is the difference between Alternistor - Snubberless and Standard TRIAC types? A: Alternistor - Snubberless TRIACs (QJ6016RH4TP, BTA16-600BWRG, BTB16-600BWRG) are optimized for applications without external snubber networks. Standard TRIACs (BT139-600,127, BTA16-600BRG, BTB16-600BRG) may require snubber circuits in certain applications. Both types meet the 600V/16A electrical requirements.

Q: Are BT139-600E,127 and BT139-600E/DG,127 interchangeable? A: Both parts have identical electrical specifications (600V, 16A, 1.5V gate trigger, 10mA gate trigger current). BT139-600E,127 is supplied by WeEn Semiconductors in Tube packaging, while BT139-600E/DG,127 is supplied by NXP USA Inc. in Bulk packaging. Electrical performance is equivalent; packaging format differs.

Q: Why does BTA20-600CWRG have higher current rating (20A vs 16A)? A: BTA20-600CWRG is rated for 20A on-state current, providing 25% additional current capacity. This part is suitable for applications requiring current margin above the 16A specification while maintaining 600V voltage rating and Alternistor - Snubberless configuration. Gate trigger voltage is 1.5V (vs 1.3V for main part).

Q: What is the impact of operating temperature range differences? A: QJ6016RH4TP operates from -40°C ~ 150°C (TJ). Most substitute parts (BT139, BTA16, BTB16 series) operate from -40°C ~ 125°C. If the application requires operation above 125°C, QJ6016RH4TP or QV6016RH4TP must be used. For applications within -40°C ~ 125°C range, all substitutes are thermally compatible.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts (QV6016RH4TP, BT139 series, BTA16 series, BTA20-600CWRG, BTB16 series) are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the regulatory status of QJ6016RH4TP.

Q: What is the difference between TO-220AB and TO-220 package designations? A: Both designations refer to the same TO-220-3 physical package with three leads. TO-220AB and TO-220 are equivalent mechanical packages suitable for direct board-level substitution. Pin configuration and mounting hole spacing are identical.

Q: Can Sensitive Gate TRIACs (BT139-600E series) be used in circuits designed for standard gate TRIACs? A: Sensitive Gate TRIACs require lower gate trigger current (10mA vs 35mA for main part). Substitution is possible if the gate drive circuit can supply the required 10mA current. Verify gate drive circuit compatibility before substitution to prevent gate overdrive or circuit malfunction.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message