QJ6016RH6TP Equivalent & Substitute Parts

Part Overview

The QJ6016RH6TP is a snubberless TRIAC alternistor manufactured by Littelfuse Inc., rated for 600 V off-state voltage and 16 A on-state current in a TO-220AB package. This component is designed for AC switching applications requiring high reliability and thermal performance. The part is currently active in production with full RoHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are identified when electrical and mechanical parameters align within the allowed specifications for this thyristor category, enabling direct replacement in circuit designs without functional degradation.

Key Parameters

Parameter	Value	Unit
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)	80	mA
Current - Hold (Ih) (Max)	70	mA
Operating Temperature Range	-40 to 150	°C (TJ)
Package / Case	TO-220-3
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the QJ6016RH6TP is determined by the following critical parameters:

Off-state voltage rating must equal or exceed 600 V
On-state current rating must equal or exceed 16 A
Gate trigger voltage (Vgt) must not exceed 1.3 V
Gate trigger current (Igt) must not exceed 80 mA
Hold current (Ih) must not exceed 70 mA
Package must be TO-220-3 or compatible TO-220 variant
Mounting type must be Through Hole
Operating temperature range must encompass -40°C to 150°C
RoHS3 compliance required

The identified substitute parts meet these criteria and are classified as snubberless TRIAC alternistors from STMicroelectronics, maintaining functional equivalence for AC switching applications.

Parameter Comparison

Parameter	QJ6016RH6TP (Littelfuse)	T1650H-6T (STMicroelectronics)	T2050H-6T (STMicroelectronics)
Voltage - Off State	600 V	600 V	600 V
Current - On State (It (RMS)) (Max)	16 A	16 A	20 A
Voltage - Gate Trigger (Vgt) (Max)	1.3 V	1 V	1 V
Current - Gate Trigger (Igt) (Max)	80 mA	50 mA	50 mA
Current - Hold (Ih) (Max)	70 mA	75 mA	75 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)	167 A / 200 A	160 A / 168 A	200 A / 210 A
Operating Temperature Range	-40 to 150°C (TJ)	-40 to 150°C (TJ)	-40 to 150°C (TJ)
Package / Case	TO-220-3	TO-220-3	TO-220-3
Mounting Type	Through Hole	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both T1650H-6T and T2050H-6T are qualified substitutes for the QJ6016RH6TP based on compliance and electrical parameter alignment.

T1650H-6T provides direct current rating equivalence at 16 A with improved gate trigger characteristics (1 V Vgt, 50 mA Igt). This part is suitable for applications requiring identical current handling with enhanced gate sensitivity.

T2050H-6T offers increased on-state current capacity at 20 A while maintaining the same 600 V off-state rating and operating temperature range. This part is suitable for applications where higher current margins are required or where future design scaling is anticipated.

All three parts maintain RoHS3 compliance, REACH unaffected status, and identical thermal operating ranges, ensuring regulatory and environmental compatibility across substitution scenarios.

Frequently Asked Questions (FAQ)

Q: Can T1650H-6T directly replace QJ6016RH6TP in existing designs?

A: Yes. T1650H-6T meets all critical substitution parameters: 600 V off-state voltage, 16 A on-state current, compatible TO-220-3 package, and identical operating temperature range. Gate trigger characteristics are superior (lower Vgt and Igt values).

Q: What is the primary difference between T1650H-6T and T2050H-6T?

A: The primary difference is on-state current rating. T1650H-6T is rated for 16 A (matching QJ6016RH6TP), while T2050H-6T is rated for 20 A. Both maintain 600 V off-state voltage and identical package specifications.

Q: Are there package compatibility considerations?

A: All three parts use TO-220-3 or compatible TO-220 package variants with Through Hole mounting. PCB footprints and thermal interface requirements are equivalent.

Q: Do substitute parts require circuit design modifications?

A: No modifications are required. Electrical parameters remain within the allowed substitution criteria. Gate trigger voltage and current specifications of substitute parts are equal to or better than the original part.

Q: Are all parts RoHS3 compliant?

A: Yes. QJ6016RH6TP, T1650H-6T, and T2050H-6T are all ROHS3 compliant with REACH unaffected status.

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