STPR1020CB Equivalent & Substitute Parts

Part Overview

The STPR1020CB is a general-purpose diode array manufactured by STMicroelectronics, configured as 1 pair common cathode with 200 V reverse voltage rating and 5 A average rectified current per diode. The device is housed in a TO-252-3 DPAK surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The STPR1020CB operates across a junction temperature range of -65°C to 150°C and complies with RoHS3 and REACH regulations.

Key Parameters

Parameter	Value	Unit
Diode Configuration	1 Pair Common Cathode	—
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io) (per Diode)	5	A
Voltage - Forward (Vf) (Max) @ If	990 mV @ 5 A	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	30	ns
Current - Reverse Leakage @ Vr	50	µA @ 200 V
Operating Temperature - Junction	-65 to 150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the STPR1020CB is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Diode configuration: 1 Pair Common Cathode
Voltage - DC Reverse (Vr) (Max): 200 V
Package / Case: TO-252-3, DPAK (2 Leads + Tab), SC-63
Mounting Type: Surface Mount
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Current Rating Considerations: Substitute parts are grouped by current capacity. The STPR1020CB operates at 5 A average rectified current per diode. Substitutes with equal or higher current ratings are electrically compatible. Substitutes with lower current ratings are not suitable for direct replacement in applications requiring the full 5 A specification.

Forward Voltage and Recovery Time: Forward voltage drop and reverse recovery time vary among substitutes. Parts with lower forward voltage drop or faster recovery times represent performance improvements. Parts with higher forward voltage drop or slower recovery times represent performance trade-offs and are suitable only when application requirements permit.

Temperature Range: The STPR1020CB operates from -65°C to 150°C. Substitutes with equal or wider temperature ranges maintain full compatibility. Substitutes with narrower ranges may be restricted to specific application environments.

Compliance and Status: All substitute parts maintain RoHS3 compliance and MSL 1 rating. Product status (Active or Obsolete) indicates long-term availability. Active parts are preferred for new designs and ongoing procurement.

Parameter Comparison

Part Number	Manufacturer	Io (per Diode)	Vf (Max) @ If	trr (ns)	Ir @ 200V	Tj (°C)	Status	Technology
STPR1020CB	STMicroelectronics	5 A	990 mV @ 5 A	30	50 µA	-65 to 150	Obsolete	Standard
STTH1002CB	STMicroelectronics	8 A	1.1 V @ 5 A	25	5 µA	-65 to 175	Active	Standard
BYQ28ED-200,118	WeEn Semiconductors	10 A	1.25 V @ 10 A	25	10 µA	-65 to 150	Active	Standard
MSRD620CTG	onsemi	3 A	1.15 V @ 3 A	55	5 µA	-55 to 175	Obsolete	Standard
MSRD620CTT4G	onsemi	3 A	1.15 V @ 3 A	55	5 µA	-55 to 175	Active	Standard
SBR10200CTL-13	Diodes Incorporated	5 A	940 mV @ 5 A	—	100 µA	-65 to 150	Active	Super Barrier
SBR6200CTL-13	Diodes Incorporated	3 A	850 mV @ 3 A	—	100 µA	-65 to 175	Active	Super Barrier
SDURD1020CT	SMC Diode Solutions	—	975 mV @ 5 A	35	10 µA	-55 to 150	Active	Standard
VS-8CWH02FNHM3	Vishay General Semiconductor - Diodes Division	4 A	950 mV @ 4 A	27	4 µA	-65 to 175	Active	Standard

Engineering Selection Recommendations

Direct Replacement (Equal Current Rating):

The STTH1002CB (STMicroelectronics, 8 A) and SBR10200CTL-13 (Diodes Incorporated, 5 A) are suitable direct replacements for the STPR1020CB. Both maintain the 200 V reverse voltage rating, TO-252-3 DPAK package, and common cathode configuration. STTH1002CB is an active product with extended temperature range (-65°C to 175°C) and lower reverse leakage current (5 µA). SBR10200CTL-13 uses Super Barrier technology, delivering lower forward voltage drop (940 mV vs. 990 mV at 5 A) while maintaining identical temperature range and current rating. Both are RoHS3 compliant with MSL 1 rating.

Higher Current Capacity Substitutes:

The BYQ28ED-200,118 (WeEn Semiconductors, 10 A) provides increased current capacity with identical reverse voltage and package specifications. This part is active and RoHS3 compliant. The higher current rating permits use in applications requiring greater current handling without thermal stress. Forward voltage is specified at 10 A (1.25 V), making direct comparison at 5 A operation not available from provided data.

Lower Current Capacity Alternatives:

The MSRD620CTT4G (onsemi, 3 A) and SBR6200CTL-13 (Diodes Incorporated, 3 A) are suitable only for applications where 3 A per diode is sufficient. MSRD620CTT4G is an active product in the SWITCHMODE™ series with extended temperature range (-55°C to 175°C). SBR6200CTL-13 uses Super Barrier technology with the lowest forward voltage drop (850 mV at 3 A) among all substitutes, offering superior efficiency in low-current applications.

Intermediate Current Rating:

The VS-8CWH02FNHM3 (Vishay, 4 A) provides intermediate current capacity between the 3 A and 5 A options. This part is automotive-qualified (AEC-Q101) with extended temperature range (-65°C to 175°C) and exceptionally low reverse leakage current (4 µA). It is suitable for applications requiring 4 A or less per diode.

Compliance and Availability:

All recommended substitutes maintain RoHS3 compliance and MSL 1 rating. Active products (STTH1002CB, BYQ28ED-200,118, MSRD620CTT4G, SBR10200CTL-13, SBR6200CTL-13, VS-8CWH02FNHM3) are preferred for new designs and long-term procurement. The SDURD1020CT (SMC Diode Solutions) is active but carries REACH Affected status, requiring verification for regulated applications.

Frequently Asked Questions (FAQ)

Q: Can the STTH1002CB replace the STPR1020CB in all applications?

A: The STTH1002CB is electrically and mechanically compatible with the STPR1020CB. Both share identical reverse voltage (200 V), package (TO-252-3 DPAK), and diode configuration (1 Pair Common Cathode). The STTH1002CB provides higher current capacity (8 A vs. 5 A), lower reverse leakage current (5 µA vs. 50 µA), and extended maximum junction temperature (175°C vs. 150°C). The STTH1002CB is an active product, ensuring long-term availability. Forward voltage at 5 A operation is slightly higher (1.1 V vs. 990 mV), which may increase power dissipation in current-limited applications.

Q: What is the difference between Standard and Super Barrier technology?

A: Super Barrier technology, used in the SBR10200CTL-13 and SBR6200CTL-13 parts, delivers lower forward voltage drop compared to Standard technology. The SBR10200CTL-13 achieves 940 mV at 5 A versus 990 mV for the STPR1020CB, reducing power loss. Super Barrier diodes are suitable for applications where efficiency and thermal management are critical. Both technologies maintain identical reverse voltage ratings and package specifications.

Q: Is the SDURD1020CT suitable as a replacement?

A: The SDURD1020CT is mechanically and electrically compatible with the STPR1020CB, sharing the 200 V reverse voltage, TO-252-3 DPAK package, and common cathode configuration. However, the SDURD1020CT carries REACH Affected status, whereas the STPR1020CB is REACH Unaffected. Applications subject to REACH regulations must verify compliance before selection. The SDURD1020CT is an active product with forward voltage (975 mV @ 5 A) very close to the STPR1020CB.

Q: Can lower current-rated parts (3 A) replace the 5 A STPR1020CB?

A: Lower current-rated parts such as MSRD620CTT4G and SBR6200CTL-13 (both 3 A) are not suitable for direct replacement in applications requiring the full 5 A specification. These parts are suitable only for applications where the maximum required current per diode does not exceed 3 A. Using an undersized part in a 5 A application will result in thermal stress, reduced reliability, and potential device failure.

Q: What is the significance of reverse recovery time (trr)?

A: Reverse recovery time indicates the speed at which the diode transitions from forward conduction to reverse blocking. The STPR1020CB has a trr of 30 ns. Faster recovery times (25 ns for STTH1002CB and BYQ28ED-200,118) reduce switching losses and electromagnetic interference in high-frequency applications. Slower recovery times (55 ns for MSRD620 series) are acceptable in lower-frequency applications. Recovery time is not specified for SBR series parts.

Q: Why is the STPR1020CB classified as obsolete?

A: Obsolete status indicates that the manufacturer has discontinued production and support for this part. Active substitutes are recommended for new designs and ongoing procurement to ensure long-term availability and manufacturer support. Existing inventory of the STPR1020CB may be available from authorized distributors, but future supply cannot be guaranteed.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the STPR1020CB specifications. This ensures compatibility with modern manufacturing processes and regulatory requirements. The BYQ28ED-200,118 and SDURD1020CT carry REACH Affected status, requiring verification for applications in regulated markets.

Q: What is the impact of forward voltage differences on circuit performance?

A: Forward voltage drop directly affects power dissipation and heat generation. The STPR1020CB operates at 990 mV @ 5 A. The SBR10200CTL-13 achieves 940 mV @ 5 A, reducing power loss by approximately 5%. The STTH1002CB operates at 1.1 V @ 5 A, increasing power loss by approximately 1%. In high-current or continuous-duty applications, lower forward voltage reduces thermal stress and improves efficiency. In low-power applications, the difference is negligible.

Q: Is the VS-8CWH02FNHM3 suitable for automotive applications?

A: The VS-8CWH02FNHM3 carries AEC-Q101 automotive qualification, making it suitable for automotive applications. It is not classified as automotive-grade in the other substitute parts listed. If automotive qualification is required, the VS-8CWH02FNHM3 is the appropriate selection among the substitutes.

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