STTH2R02QRL Equivalent & Substitute Parts

Part Overview

The STTH2R02QRL is a general-purpose rectifier diode manufactured by STMicroelectronics, rated for 200 V DC reverse voltage and 2 A average rectified current in a DO-15 through-hole package. This part is classified as obsolete, making equivalent and substitute components necessary for ongoing production and maintenance applications. The diode features fast recovery characteristics with a 30 ns reverse recovery time, suitable for standard rectification circuits requiring moderate current handling at 200 V operation.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1 V @ 2 A	V
Reverse Recovery Time (trr)	30	ns
Current - Reverse Leakage @ Vr	3	µA @ 200 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	-
Package / Case	DO-204AC, DO-15, Axial	-
Mounting Type	Through Hole	-
Operating Temperature - Junction (Max)	175	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the STTH2R02QRL is determined by the following critical parameters:

Mandatory Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 200 V
Current - Average Rectified (Io): 2 A
Package / Case: DO-204AC, DO-15, Axial
Mounting Type: Through Hole

Acceptable Variation Parameters:

Voltage - Forward (Vf) (Max) @ If: Range 950 mV to 1.3 V @ 2 A
Reverse Recovery Time (trr): Range 30 ns to 150 ns
Current - Reverse Leakage @ Vr: Range 3 µA to 5 µA @ 200 V
Operating Temperature - Junction: Minimum -65°C to -55°C, Maximum 150°C to 175°C

Substitute parts must maintain identical voltage and current ratings with compatible through-hole axial packaging. Forward voltage drop, recovery time, and leakage current variations are acceptable within the specified ranges for general-purpose rectification applications. Parts with active product status are preferred over obsolete or not-for-new-designs classifications.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	trr [ns]	Ir @ Vr [µA]	Speed	Product Status	Packaging
STTH2R02QRL	STMicroelectronics	200	2	1 @ 2 A	30	3 @ 200 V	Fast Recovery ≤ 500ns	Obsolete	TR
STTH3R02QRL	STMicroelectronics	200	3	1 @ 3 A	30	3 @ 200 V	Fast Recovery ≤ 500ns	Active	CT
EGP20D	onsemi	200	2	0.95 @ 2 A	50	5 @ 200 V	Fast Recovery ≤ 500ns	Not For New Designs	CT
EGP20D-E3/54	Vishay General Semiconductor - Diodes Division	200	2	0.95 @ 2 A	50	5 @ 200 V	Fast Recovery ≤ 500ns	Active	CT
EGP20D-E3/73	Vishay General Semiconductor - Diodes Division	200	2	0.95 @ 2 A	50	5 @ 200 V	Fast Recovery ≤ 500ns	Active	CT
FR203GP-AP	Micro Commercial Co	200	2	1.3 @ 2 A	150	5 @ 200 V	Fast Recovery ≤ 500ns	Active	-
GPP20D-E3/54	Vishay General Semiconductor - Diodes Division	200	2	1.1 @ 2 A	-	5 @ 200 V	Standard Recovery >500ns	Active	TR
SF24G-BP	Micro Commercial Co	200	2	0.95 @ 2 A	35	5 @ 200 V	Fast Recovery ≤ 500ns	Active	Bulk
SF24G-TP	Micro Commercial Co	200	2	0.95 @ 2 A	35	5 @ 200 V	Fast Recovery ≤ 500ns	Active	CT

Engineering Selection Recommendations

Primary Substitutes (Active Status, Full Compliance):

EGP20D-E3/73 and EGP20D-E3/54 from Vishay General Semiconductor are direct electrical equivalents with identical 200 V, 2 A ratings and fast recovery characteristics. Both parts carry active product status and ROHS3 compliance. The EGP20D-E3/73 variant is available in higher inventory (3900 pcs) compared to EGP20D-E3/54 (1120 pcs), making it the preferred choice for volume applications.

SF24G-TP from Micro Commercial Co provides an active alternative with matching electrical specifications and fast recovery performance. This part offers the highest inventory availability (4809 pcs) among active substitutes and maintains ROHS3 compliance with cut-tape packaging.

Secondary Substitutes (Active Status, Minor Parameter Variations):

EGP20D from onsemi matches the electrical requirements but carries a "Not For New Designs" product status, limiting its use to legacy system maintenance. This part remains available in substantial inventory (25100 pcs).

FR203GP-AP from Micro Commercial Co is electrically compatible with higher forward voltage (1.3 V @ 2 A) and extended reverse recovery time (150 ns), acceptable for applications where these variations do not impact circuit performance. Active product status supports ongoing availability.

Alternative with Different Recovery Characteristics:

GPP20D-E3/54 from Vishay General Semiconductor features standard recovery characteristics (>500ns) rather than fast recovery, making it suitable only for applications where recovery speed is not a critical design parameter. This part maintains active status and ROHS3 compliance.

Higher Current Alternative:

STTH3R02QRL from STMicroelectronics provides 3 A current rating with identical voltage and recovery specifications, suitable for applications requiring higher current capacity while maintaining the same voltage class. Active product status ensures continued availability.

Frequently Asked Questions (FAQ)

Q: Can STTH3R02QRL be used as a direct replacement for STTH2R02QRL?

A: STTH3R02QRL is electrically compatible with identical voltage (200 V) and recovery time (30 ns) specifications. The 3 A current rating exceeds the 2 A requirement, making it suitable for applications where higher current capacity is acceptable. Verify circuit design allows the higher current rating without adverse effects.

Q: What is the difference between fast recovery and standard recovery diodes?

A: Fast recovery diodes (≤500ns reverse recovery time) are specified for STTH2R02QRL and most substitutes. Standard recovery diodes (>500ns) like GPP20D-E3/54 exhibit slower switching characteristics. Selection depends on circuit switching frequency requirements; fast recovery is required for high-frequency applications.

Q: Are EGP20D-E3/73 and EGP20D-E3/54 interchangeable?

A: Yes, both parts are electrically identical with 200 V, 2 A ratings and 50 ns reverse recovery time. The designation suffix indicates different tape reel configurations. Selection between them depends on packaging and inventory requirements rather than electrical performance.

Q: Why does FR203GP-AP have higher forward voltage (1.3 V) compared to the original part (1 V)?

A: Forward voltage variation is a normal characteristic among different manufacturers' rectifier diodes. The 0.3 V difference at 2 A is within acceptable tolerance for general-purpose rectification. Circuit design must account for this voltage drop in power dissipation calculations.

Q: What is the significance of the DO-15 and DO-204AC package designations?

A: DO-15 and DO-204AC refer to the same through-hole axial package format. These designations are used interchangeably by different manufacturers. All substitute parts maintain compatible through-hole mounting for direct PCB replacement.

Q: Can SF24G-BP (bulk packaging) be used instead of SF24G-TP (cut tape)?

A: Both parts are electrically identical with matching 200 V, 2 A specifications and 35 ns recovery time. The difference is packaging format: bulk versus cut tape. Selection depends on assembly process requirements and inventory management practices.

Q: Is the STTH2R02QRL obsolete status a concern for substitution?

A: Yes, obsolete status indicates the part is no longer manufactured. Active substitutes such as EGP20D-E3/73, SF24G-TP, and STTH3R02QRL ensure long-term availability for production and maintenance applications.

Q: What does ROHS3 compliance mean for these diodes?

A: ROHS3 compliance indicates the parts meet Restriction of Hazardous Substances Directive requirements, restricting lead and other hazardous materials. All recommended substitutes carry ROHS3 compliance, ensuring regulatory compliance for end applications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message