16CTQ100S Equivalent & Substitute Parts

Part Overview

The 16CTQ100S is a Schottky diode array manufactured by Vishay General Semiconductor - Diodes Division. This component features a 1 Pair Common Cathode configuration with 100 V reverse voltage rating and 8 A average rectified current per diode. The device is housed in a TO-263-3 D2PAK surface mount package.

The 16CTQ100S is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for new production and field replacements. Active alternatives with identical or enhanced electrical characteristics are available from multiple manufacturers.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	100 V
Current - Average Rectified (Io) (per Diode)	8 A
Voltage - Forward (Vf) (Max) @ If	720 mV @ 8 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	550 µA @ 100 V
Operating Temperature - Junction	-55°C ~ 175°C
Mounting Type	Surface Mount
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 16CTQ100S are selected based on strict electrical and mechanical compatibility criteria. The following parameters determine substitution eligibility:

Primary Compatibility Criteria:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 100 V minimum
Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Mounting Type: Surface Mount
Current - Average Rectified (Io) (per Diode): 8 A minimum

Substitution Categories:

Category 1: Direct Parametric Equivalents (8 A Rating) Parts with identical electrical specifications and 8 A current rating:

VS-16CTQ100STRLHM3 (Vishay)
VS-16CTQ100STRRHM3 (Vishay)
STPS16H100CG-TR (STMicroelectronics)

Category 2: Enhanced Current Rating Substitutes (10 A Rating) Parts with superior current handling capability and identical voltage rating:

NRVBB20100CTT4G (onsemi)
STPS20H100CG (STMicroelectronics)

All substitute parts maintain the TO-263-3 D2PAK package format and Schottky technology. Enhanced current rating parts provide additional design margin and are electrically compatible with 8 A applications.

Parameter Comparison

Parameter	16CTQ100S	VS-16CTQ100STRLHM3	VS-16CTQ100STRRHM3	STPS16H100CG-TR	NRVBB20100CTT4G	STPS20H100CG
Manufacturer	Vishay	Vishay	Vishay	STMicroelectronics	onsemi	STMicroelectronics
Product Status	Obsolete	Active	Active	Active	Active	Active
Diode Configuration	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode
Technology	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	100 V	100 V	100 V	100 V
Current - Average Rectified (Io) (per Diode)	8 A	8 A	8 A	8 A	10 A	10 A
Voltage - Forward (Vf) (Max) @ If	720 mV @ 8 A	720 mV @ 8 A	720 mV @ 8 A	770 mV @ 8 A	850 mV @ 10 A	770 mV @ 10 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	550 µA @ 100 V	550 µA @ 100 V	550 µA @ 100 V	3.6 µA @ 100 V	100 µA @ 100 V	4.5 µA @ 100 V
Operating Temperature - Junction	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C	175°C (Max)	-65°C ~ 175°C	175°C (Max)
Package / Case	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For Direct Replacement (8 A Applications):

The VS-16CTQ100STRLHM3 and VS-16CTQ100STRRHM3 from Vishay provide identical electrical specifications to the 16CTQ100S. Both parts are active products with ROHS3 compliance and AEC-Q101 automotive qualification. These parts are recommended for applications requiring exact parametric matching with the original component.

The STPS16H100CG-TR from STMicroelectronics offers equivalent 8 A current rating with improved reverse leakage characteristics (3.6 µA versus 550 µA). This part is ROHS3 compliant and suitable for direct substitution in existing designs.

For Enhanced Performance (10 A Applications):

The NRVBB20100CTT4G from onsemi and STPS20H100CG from STMicroelectronics provide 10 A current rating with identical 100 V voltage specification. These parts are suitable for applications where additional current margin is beneficial. Both parts are active products with ROHS3 compliance.

The NRVBB20100CTT4G includes AEC-Q101 automotive qualification and extended operating temperature range (-65°C to 175°C). The STPS20H100CG is available in high inventory quantities.

Compliance Considerations:

All active substitute parts are ROHS3 compliant, addressing environmental regulatory requirements. The original 16CTQ100S is RoHS non-compliant. Substitution with active alternatives ensures compliance with current environmental standards.

Frequently Asked Questions (FAQ)

Q: Can the VS-16CTQ100STRLHM3 or VS-16CTQ100STRRHM3 be used as direct replacements for the 16CTQ100S?

A: Yes. Both Vishay parts maintain identical electrical specifications including 100 V reverse voltage, 8 A average rectified current, 720 mV forward voltage at 8 A, and TO-263-3 D2PAK package format. The primary difference is product status (active versus obsolete) and RoHS compliance (ROHS3 compliant versus non-compliant).

Q: What is the difference between the 8 A and 10 A rated parts?

A: The 8 A parts (VS-16CTQ100STRLHM3, VS-16CTQ100STRRHM3, STPS16H100CG-TR) are rated for 8 A average rectified current per diode. The 10 A parts (NRVBB20100CTT4G, STPS20H100CG) are rated for 10 A average rectified current per diode. Both maintain the same 100 V reverse voltage rating and TO-263-3 D2PAK package. The 10 A parts provide additional current capacity and are electrically compatible with 8 A applications.

Q: Are all substitute parts in the same package?

A: Yes. All substitute parts use the TO-263-3 D2PAK (2 Leads + Tab) surface mount package, identical to the 16CTQ100S. This ensures mechanical and electrical compatibility without PCB layout modifications.

Q: What is the significance of reverse leakage current differences?

A: Reverse leakage current varies among the substitute parts. The 16CTQ100S specifies 550 µA at 100 V. The STPS16H100CG-TR specifies 3.6 µA, and STPS20H100CG specifies 4.5 µA. Lower reverse leakage reduces power dissipation and improves efficiency in applications with sustained reverse bias conditions. Higher leakage (as in the original part) does not prevent substitution but indicates different manufacturing processes.

Q: Which substitute part is recommended for automotive applications?

A: The VS-16CTQ100STRLHM3, VS-16CTQ100STRRHM3, and NRVBB20100CTT4G are qualified to AEC-Q101 automotive standards. These parts are suitable for automotive-grade applications requiring formal qualification documentation.

Q: Can I use a 10 A rated part in a circuit designed for 8 A?

A: Yes. The 10 A rated parts (NRVBB20100CTT4G, STPS20H100CG) are electrically compatible with 8 A applications. The higher current rating provides additional design margin and does not create compatibility issues. All other electrical parameters remain compatible.

Q: What is the difference between tape and reel packaging and standard packaging?

A: Tape and reel (TR) packaging is used for automated assembly processes. Standard packaging (indicated by "-" in the input data) refers to alternative packaging formats. Both formats contain identical components with the same electrical specifications. Selection depends on manufacturing process requirements.

Q: Are all substitute parts RoHS compliant?

A: All active substitute parts listed are ROHS3 compliant. The original 16CTQ100S is RoHS non-compliant. Substitution with active alternatives ensures compliance with current environmental regulations.

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