QJ6016NH4RP TRIAC Alternistor 600V 16A Equivalent & Substitute Parts

Part Overview

The QJ6016NH4RP is a snubberless TRIAC Alternistor manufactured by Littelfuse Inc., rated for 600V off-state voltage and 16A on-state current in a surface mount TO-263 (D2PAK) package. This component is actively produced and RoHS3 compliant. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, inventory availability, or specific performance characteristics within the allowed electrical and mechanical parameter ranges for this thyristor category.

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	-40°C ~ 150°C (TJ)
Package / Case	TO-263-3, D2PAK (2 Leads + Tab)
Mounting Type	Surface Mount
Configuration	Single

Substitute Part Grouping Explanation

Substitution of the QJ6016NH4RP is determined by the following criteria:

Electrical Parameters (Primary):

Voltage - Off State: 600 V (exact match required)
Current - On State (It (RMS)) (Max): 16 A minimum (equal or higher acceptable)
Voltage - Gate Trigger (Vgt) (Max): 1.3 V to 1.5 V range
Current - Gate Trigger (Igt) (Max): 10 mA to 35 mA range
Current - Hold (Ih) (Max): 35 mA to 50 mA range

Mechanical Parameters (Secondary):

Package / Case: TO-263-3, D2PAK (2 Leads + Tab)
Mounting Type: Surface Mount
Configuration: Single

Compliance & Status:

RoHS3 Compliant or RoHS Compliant
Active product status
Tape & Reel packaging

Substitute parts are grouped by TRIAC type (Alternistor - Snubberless vs. Standard vs. Logic - Sensitive Gate) and current rating. Parts with identical electrical specifications and package are classified as parametric equivalents. Parts with higher current ratings or different gate characteristics are classified as functional substitutes within the allowed parameter ranges.

Parameter Comparison

Part Number	Manufacturer	TRIAC Type	Voltage - Off State	Current - On State (Max)	Vgt (Max)	Igt (Max)	Ih (Max)	Operating Temp	Itsm (50/60Hz)
QJ6016NH4RP	Littelfuse Inc.	Alternistor - Snubberless	600 V	16 A	1.3 V	35 mA	50 mA	-40°C ~ 150°C	167A, 200A
QV6016NH4RP	Littelfuse Inc.	Alternistor - Snubberless	600 V	16 A	1.3 V	35 mA	50 mA	-40°C ~ 150°C	167A, 200A
T1650-600G-TR	STMicroelectronics	Alternistor - Snubberless	600 V	16 A	1.3 V	35 mA	35 mA	-40°C ~ 125°C	160A, 168A
BT139B-600,118	WeEn Semiconductors	Standard	600 V	16 A	1.5 V	35 mA	45 mA	-40°C ~ 125°C	155A, 170A
BT139B-600E,118	WeEn Semiconductors	Logic - Sensitive Gate	600 V	16 A	1.5 V	10 mA	45 mA	-40°C ~ 125°C	155A, 170A
BTA225B-600B,118	WeEn Semiconductors	Standard	600 V	25 A	1.5 V	50 mA	60 mA	-40°C ~ 125°C	190A, 209A

Engineering Selection Recommendations

Parametric Equivalent (Direct Replacement):

QV6016NH4RP: Identical electrical specifications and package. Littelfuse Inc. manufacture. RoHS3 compliant. Suitable for direct substitution without circuit modification.

Functional Substitutes (Same Voltage & Current Rating, Different TRIAC Type):

T1650-600G-TR: STMicroelectronics snubberless TRIAC with identical 600V/16A rating. Operating temperature range reduced to -40°C ~ 125°C. RoHS3 compliant. Suitable where snubberless technology is required and temperature range is acceptable.
BT139B-600,118: WeEn Semiconductors standard TRIAC with 600V/16A rating. Gate trigger voltage increased to 1.5V maximum. Operating temperature range -40°C ~ 125°C. RoHS compliant. Suitable where standard TRIAC technology is acceptable.
BT139B-600E,118: WeEn Semiconductors logic-sensitive gate TRIAC with 600V/16A rating. Gate trigger current reduced to 10mA maximum. Operating temperature range -40°C ~ 125°C. RoHS compliant. Suitable for low-power gate drive applications.

Functional Substitute (Higher Current Rating):

BTA225B-600B,118: WeEn Semiconductors standard TRIAC with 600V/25A rating. Provides higher on-state current capacity. Operating temperature range -40°C ~ 125°C. RoHS compliant. Suitable for applications requiring higher current handling with same voltage class.

All substitute parts are surface mount D2PAK package, active product status, and tape & reel packaging. Selection depends on specific application requirements for TRIAC type, gate sensitivity, current capacity, and operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can QV6016NH4RP replace QJ6016NH4RP without any circuit changes? A: Yes. QV6016NH4RP is a parametric equivalent with identical electrical specifications (600V, 16A, 1.3V gate trigger, 35mA gate current, 50mA hold current) and package (TO-263 D2PAK). Both are Littelfuse Inc. snubberless TRIACs with RoHS3 compliance.

Q: What is the difference between snubberless and standard TRIAC types? A: Snubberless TRIACs (QJ6016NH4RP, QV6016NH4RP, T1650-600G-TR) have integrated snubber networks for improved EMI performance. Standard TRIACs (BT139B-600,118, BTA225B-600B,118) require external snubber circuits in some applications. Both types meet the same voltage and current ratings specified.

Q: Can I use BT139B-600E,118 (sensitive gate) instead of the standard QJ6016NH4RP? A: BT139B-600E,118 is functionally compatible at 600V/16A with the same package. The key difference is reduced gate trigger current (10mA vs. 35mA), making it suitable for low-power gate drive circuits. Verify gate drive circuit compatibility before substitution.

Q: Is BTA225B-600B,118 a suitable substitute if my application requires higher current? A: BTA225B-600B,118 provides 25A on-state current versus 16A in the QJ6016NH4RP, maintaining 600V voltage rating and D2PAK package. It is suitable for applications requiring higher current capacity within the same voltage class. Verify thermal management and PCB layout for the higher current rating.

Q: What are the temperature operating range differences among substitutes? A: QJ6016NH4RP and QV6016NH4RP operate from -40°C to 150°C. T1650-600G-TR, BT139B-600,118, BT139B-600E,118, and BTA225B-600B,118 operate from -40°C to 125°C. Select based on application temperature requirements.

Q: Are all substitute parts RoHS compliant? A: QJ6016NH4RP, QV6016NH4RP, and T1650-600G-TR are RoHS3 compliant. BT139B-600,118, BT139B-600E,118, and BTA225B-600B,118 are RoHS compliant. All meet RoHS requirements for lead-free manufacturing.

Q: Can I interchange parts with different gate trigger voltage specifications? A: Gate trigger voltage (Vgt) ranges from 1.3V (snubberless types) to 1.5V (standard and sensitive gate types). Verify gate drive circuit voltage compatibility. Higher Vgt may require stronger gate drive signals. Lower Vgt provides more sensitive gate triggering.

Q: Do all substitutes use the same D2PAK package? A: Yes. All listed parts use TO-263-3 D2PAK (2 Leads + Tab) surface mount package with identical pinout and PCB footprint compatibility.

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