FR106T-G Equivalent & Substitute Parts

Part Overview

The FR106T-G is a general-purpose rectifier diode manufactured by Comchip Technology, rated for 800 V DC reverse voltage and 1 A average rectified current in a through-hole DO-41 package. This diode is classified as a fast recovery device with a reverse recovery time of 500 ns and is suitable for standard rectification applications requiring moderate voltage and current ratings. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent substitute parts are identified based on matching electrical specifications, package compatibility, and operational characteristics to ensure direct functional replacement in circuit designs.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	800	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.3 @ 1 A	V
Reverse Recovery Time (trr)	500	ns
Current - Reverse Leakage @ Vr	5 @ 800 V	µA
Mounting Type	Through Hole	—
Package / Case	DO-204AL, DO-41, Axial	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the FR106T-G are identified based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Electrical Parameters (Must Match):

Voltage - DC Reverse (Vr) (Max): 800 V
Current - Average Rectified (Io): 1 A
Voltage - Forward (Vf) (Max) @ If: 1.3 V @ 1 A
Reverse Recovery Time (trr): 500 ns
Current - Reverse Leakage @ Vr: 5 µA @ 800 V

Mechanical Parameters (Must Match):

Mounting Type: Through Hole
Package / Case: DO-204AL, DO-41, Axial

Compliance Parameters (Must Match):

Operating Temperature - Junction: -55°C to 150°C
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

The FR106G manufactured by Taiwan Semiconductor Corporation meets all specified electrical and mechanical parameters and is therefore classified as a parametric equivalent substitute for the FR106T-G.

Parameter Comparison

Parameter	FR106T-G (Comchip)	FR106G (Taiwan Semiconductor)	Match Status
Voltage - DC Reverse (Vr) (Max)	800 V	800 V	Match
Current - Average Rectified (Io)	1 A	1 A	Match
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1 A	1.3 V @ 1 A	Match
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Match
Reverse Recovery Time (trr)	500 ns	500 ns	Match
Current - Reverse Leakage @ Vr	5 µA @ 800 V	5 µA @ 800 V	Match
Mounting Type	Through Hole	Through Hole	Match
Package / Case	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial	Match
Operating Temperature - Junction	-55°C to 150°C	-55°C to 150°C	Match
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Match
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Match
Capacitance @ Vr, F	15 pF @ 4V, 1MHz	10 pF @ 4V, 1MHz	Within tolerance

Engineering Selection Recommendations

The FR106G manufactured by Taiwan Semiconductor Corporation is a direct parametric equivalent to the FR106T-G. Both devices share identical electrical ratings, operating temperature ranges, and compliance certifications. The FR106G maintains ROHS3 compliance and MSL 1 status, ensuring compatibility with modern manufacturing and environmental standards.

The primary difference between the two parts is packaging format: the FR106T-G is supplied in Tape & Reel (TR) format, while the FR106G is supplied in Cut Tape (CT) format. Both formats contain the same DO-41 package configuration and are suitable for through-hole PCB assembly.

Selection between these parts should be based on packaging requirements and inventory availability. The FR106G currently has higher inventory availability (10,626 pcs) compared to the FR106T-G (702 pcs), which may influence procurement decisions for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Can the FR106G be used as a direct replacement for the FR106T-G in existing circuit designs?

A: Yes. The FR106G meets all electrical specifications, operating temperature requirements, and compliance standards of the FR106T-G. Both devices are rated for 800 V reverse voltage, 1 A average rectified current, and feature identical forward voltage characteristics and reverse recovery time. Direct substitution is supported without circuit modification.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?

A: Tape & Reel packaging supplies components on continuous tape wound on reels, suitable for automated pick-and-place assembly equipment. Cut Tape packaging supplies components on tape segments cut to specific lengths, typically for manual assembly or smaller production runs. Both formats contain the same DO-41 component package and are electrically identical.

Q: Are there any thermal or performance differences between the FR106T-G and FR106G?

A: No. Both devices operate across the same temperature range (-55°C to 150°C junction temperature) and share identical thermal characteristics. Reverse recovery time, forward voltage drop, and reverse leakage current specifications are identical across both parts.

Q: What does the capacitance difference (15 pF vs. 10 pF) indicate?

A: The capacitance values provided are measured at identical conditions (4 V, 1 MHz). The 5 pF difference falls within normal manufacturing tolerance for diode junction capacitance and does not affect functional equivalence for standard rectification applications.

Q: Are both parts RoHS compliant?

A: Yes. Both the FR106T-G and FR106G are ROHS3 compliant and carry MSL 1 (unlimited) moisture sensitivity level, meeting current environmental and reliability standards for electronic component manufacturing.

Q: Can the FR106G be used in high-frequency switching applications?

A: Both devices are classified as fast recovery diodes with 500 ns reverse recovery time, suitable for applications requiring switching speeds greater than 200 mA. The identical reverse recovery specifications ensure equivalent performance in switching circuits.

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