16CTQ100STRR Equivalent & Substitute Parts

Part Overview

The 16CTQ100STRR 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 8A average rectified current per diode. The part is packaged in TO-263-3 (D2PAK) surface mount format with 2 leads plus tab.

The 16CTQ100STRR is classified as obsolete. Equivalent and substitute parts are necessary to support ongoing production requirements, design updates, and supply chain continuity. Active alternatives with identical or compatible electrical and mechanical specifications are available from Vishay and other 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)	8A
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 16CTQ100STRR are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalents (Vishay Active Series): Parts VS-16CTQ100S-M3, VS-16CTQ100SHM3, VS-16CTQ100STRL-M3, and VS-16CTQ100STRR-M3 are direct parametric equivalents manufactured by Vishay. These parts maintain identical electrical specifications across all critical parameters: 100 V reverse voltage, 8A average rectified current, 720 mV forward voltage at 8A, fast recovery speed, and identical package configuration. The primary differences are product status (active vs. obsolete), packaging format (tube, tape & reel), and RoHS compliance status. VS-16CTQ100SHM3 and VS-16CTQ100STRL-M3 include automotive-grade qualification (AEC-Q101).

Manufacturer Recommended Alternatives: STPS16H100CG-TR (STMicroelectronics) and NRVBB20100CTT4G (onsemi) are manufacturer-recommended alternatives that maintain the same reverse voltage (100 V), package type (TO-263-3 D2PAK), and diode configuration (1 Pair Common Cathode). These parts differ in current rating and forward voltage characteristics. STPS16H100CG-TR matches the 8A current rating with 770 mV forward voltage. NRVBB20100CTT4G provides higher current capability at 10A with 850 mV forward voltage.

Substitution eligibility is determined by matching the following critical parameters: diode configuration, reverse voltage rating, package type, mounting method, and operating temperature range. Current rating and forward voltage may vary within application-specific tolerances.

Parameter Comparison

Parameter	16CTQ100STRR	VS-16CTQ100S-M3	VS-16CTQ100SHM3	VS-16CTQ100STRL-M3	VS-16CTQ100STRR-M3	STPS16H100CG-TR	NRVBB20100CTT4G
Manufacturer	Vishay	Vishay	Vishay	Vishay	Vishay	STMicroelectronics	onsemi
Product Status	Obsolete	Active	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	1 Pair Common Cathode
Technology	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	100 V	100 V	100 V	100 V	100 V
Current - Average Rectified (Io) (per Diode)	8A	8A	8A	8A	8A	8A	10A
Voltage - Forward (Vf) (Max) @ If	720 mV @ 8 A	720 mV @ 8 A	720 mV @ 8 A	720 mV @ 8 A	720 mV @ 8 A	770 mV @ 8 A	850 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)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	550 µA @ 100 V	550 µA @ 100 V	550 µA @ 100 V	550 µA @ 100 V	550 µA @ 100 V	3.6 µA @ 100 V	100 µA @ 100 V
Operating Temperature - Junction	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C	Max 175°C	-65°C ~ 175°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
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	TO-263-3, D2PAK
RoHS Status	RoHS Non-Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Grade / AEC-Q101	Not Specified	Not Specified	Yes / AEC-Q101	Yes / AEC-Q101	Not Specified	Not Specified	Not Specified
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Direct Replacement (Parametric Equivalents): For applications requiring exact electrical and mechanical compatibility with the 16CTQ100STRR, the Vishay active-series equivalents provide seamless substitution. VS-16CTQ100STRR-M3 is the closest functional equivalent, maintaining identical specifications while offering active product status and ROHS3 compliance. This part is available in tape & reel packaging with 6,391 units in stock.

For new designs or applications with RoHS compliance requirements, VS-16CTQ100S-M3 (tube packaging, 7,639 units in stock) or VS-16CTQ100STRL-M3 (tape & reel, 2,240 units in stock) are suitable alternatives. VS-16CTQ100SHM3 provides automotive-grade qualification with AEC-Q101 certification for applications requiring automotive reliability standards.

Alternative Manufacturers: STPS16H100CG-TR (STMicroelectronics) maintains identical current rating (8A) and reverse voltage (100 V) with improved reverse leakage characteristics (3.6 µA vs. 550 µA). This part is suitable for applications where lower leakage current provides performance benefits. Inventory availability is 7,014 units.

NRVBB20100CTT4G (onsemi) provides higher current capability (10A vs. 8A) within the same package and voltage class. This part is suitable for applications requiring increased current margin or where 10A-rated components are specified. Forward voltage is higher at 850 mV @ 10A. Inventory availability is 1,260 units.

Compliance Considerations: The original 16CTQ100STRR is RoHS non-compliant. All active substitutes are ROHS3 compliant, supporting modern supply chain and regulatory requirements. For automotive applications, VS-16CTQ100SHM3 and VS-16CTQ100STRL-M3 include AEC-Q101 qualification.

Frequently Asked Questions (FAQ)

Q: Can VS-16CTQ100STRR-M3 be used as a direct replacement for 16CTQ100STRR?

A: Yes. VS-16CTQ100STRR-M3 is a parametric equivalent with identical electrical specifications: 100 V reverse voltage, 8A average rectified current, 720 mV forward voltage at 8A, and identical TO-263-3 D2PAK package configuration. The primary difference is product status (active vs. obsolete) and RoHS3 compliance. Mechanical and electrical compatibility is complete.

Q: What is the difference between VS-16CTQ100S-M3, VS-16CTQ100SHM3, and VS-16CTQ100STRL-M3?

A: These three parts are parametric equivalents with identical electrical specifications. The differences are: (1) Packaging format: VS-16CTQ100S-M3 is supplied in tube packaging; VS-16CTQ100STRL-M3 and VS-16CTQ100SHM3 are supplied in tape & reel. (2) Automotive qualification: VS-16CTQ100SHM3 and VS-16CTQ100STRL-M3 include automotive-grade designation and AEC-Q101 certification; VS-16CTQ100S-M3 does not. (3) Inventory levels vary. Selection depends on packaging requirements and automotive qualification needs.

Q: Can STPS16H100CG-TR replace 16CTQ100STRR?

A: STPS16H100CG-TR is mechanically and electrically compatible for most applications. Both parts share identical reverse voltage (100 V), current rating (8A), diode configuration (1 Pair Common Cathode), and TO-263-3 D2PAK package. The forward voltage differs slightly (770 mV vs. 720 mV at 8A), and reverse leakage is significantly lower (3.6 µA vs. 550 µA). These differences are typically acceptable in rectifier applications. Verify forward voltage and leakage specifications against circuit requirements before substitution.

Q: When should NRVBB20100CTT4G be selected instead of direct equivalents?

A: NRVBB20100CTT4G is selected when higher current capability is required or specified. This part provides 10A average rectified current versus 8A in the original part, within the same 100 V reverse voltage class and TO-263-3 D2PAK package. Forward voltage is higher at 850 mV @ 10A. This part is suitable for applications with increased current margin or where 10A-rated diode arrays are specified. Verify that the higher forward voltage does not negatively impact circuit performance.

Q: Are all substitute parts RoHS compliant?

A: Yes. All active substitute parts listed (VS-16CTQ100S-M3, VS-16CTQ100SHM3, VS-16CTQ100STRL-M3, VS-16CTQ100STRR-M3, STPS16H100CG-TR, and NRVBB20100CTT4G) are ROHS3 compliant. The original 16CTQ100STRR is RoHS non-compliant. Substitution with any active equivalent supports modern regulatory and supply chain requirements.

Q: What is the significance of AEC-Q101 certification on VS-16CTQ100SHM3 and VS-16CTQ100STRL-M3?

A: AEC-Q101 is an automotive electronics qualification standard. Parts bearing this certification have undergone rigorous testing for automotive applications, including thermal cycling, vibration, and reliability assessments. VS-16CTQ100SHM3 and VS-16CTQ100STRL-M3 are suitable for automotive designs requiring qualified components. Non-automotive applications do not require this certification.

Q: Do all substitute parts use identical packaging?

A: All substitute parts use the same TO-263-3 D2PAK surface mount package with 2 leads plus tab. Mechanical compatibility is complete across all listed alternatives. Packaging format differences (tube vs. tape & reel) relate to supply and handling, not component form factor or PCB mounting.

Q: What is the impact of reverse leakage current differences between substitutes?

A: Reverse leakage current affects power dissipation and circuit performance at high temperatures or high reverse voltages. The original 16CTQ100STRR and Vishay equivalents specify 550 µA @ 100 V. STPS16H100CG-TR specifies significantly lower leakage at 3.6 µA @ 100 V, and NRVBB20100CTT4G specifies 100 µA @ 100 V. Lower leakage reduces standby power consumption and heat generation. For most rectifier applications, these differences are negligible. Verify leakage specifications for applications sensitive to power dissipation or operating at elevated temperatures.

Q: Can these parts be used interchangeably in existing designs?

A: Parametric equivalents (VS-16CTQ100S-M3, VS-16CTQ100SHM3, VS-16CTQ100STRL-M3, VS-16CTQ100STRR-M3) are direct interchangeable substitutes with no design changes required. Alternative manufacturers (STPS16H100CG-TR, NRVBB20100CTT4G) require verification of forward voltage and reverse leakage specifications against circuit design tolerances. All parts maintain identical reverse voltage, current rating, package type, and diode configuration, supporting mechanical and electrical compatibility.

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