30CTH02FP Equivalent & Substitute Parts

Part Overview

The 30CTH02FP is a diode array rectifier manufactured by Vishay General Semiconductor - Diodes Division, configured as a 1 Pair Common Cathode with 200V reverse voltage rating and 15A average rectified current per diode. This component features fast recovery characteristics with a 35 ns reverse recovery time and operates across a junction temperature range of -65°C to 175°C in a TO-220-3 Full Pack through-hole package.

The 30CTH02FP is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements. Substitute components must maintain electrical compatibility across voltage, current, and thermal specifications while accommodating packaging and technology variations.

Key Parameters

Parameter	30CTH02FP Value
Diode Configuration	1 Pair Common Cathode
Voltage - DC Reverse (Vr) (Max)	200 V
Current - Average Rectified (Io) (per Diode)	15 A
Voltage - Forward (Vf) (Max) @ If	1.05 V @ 15 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	35 ns
Current - Reverse Leakage @ Vr	10 µA @ 200 V
Operating Temperature - Junction	-65°C ~ 175°C
Mounting Type	Through Hole
Package / Case	TO-220-3 Full Pack
Technology	Standard
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the 30CTH02FP is determined by strict adherence to the following electrical and mechanical parameters:

Primary Compatibility Criteria:

Diode Configuration: 1 Pair Common Cathode (mandatory)
Voltage - DC Reverse (Vr) (Max): 200 V (mandatory)
Mounting Type: Through Hole (mandatory)
Package / Case: TO-220-3 Full Pack (mandatory)
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io) (mandatory)

Secondary Compatibility Criteria:

Current - Average Rectified (Io) (per Diode): Equal to or greater than 15 A
Reverse Recovery Time (trr): Equal to or less than 35 ns
Operating Temperature - Junction: Minimum -65°C, Maximum 175°C or higher
Voltage - Forward (Vf) (Max): Comparable performance at rated current

Substitute parts are grouped by current rating capability. Parts rated at 15 A or higher provide direct functional equivalence. Parts rated below 15 A (8 A, 10 A, 5 A, 3 A) are listed as alternatives for applications where current requirements are lower than the original specification.

Parameter Comparison

Parameter	30CTH02FP	STTH1602CFP	STTH2002CFP	MURF1620CTG	FFPF20UP20DNTU	RF1601T2D	RF1001T2D	RF601T2D	STTH1002CFP
Manufacturer	Vishay	STMicroelectronics	STMicroelectronics	onsemi	onsemi	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor	STMicroelectronics
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	1 Pair Common Cathode	1 Pair Common Cathode
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V	200 V	200 V	200 V	200 V	200 V	200 V
Current - Average Rectified (Io) (per Diode)	15 A	10 A	10 A	8 A	10 A	8 A	5 A	3 A	8 A
Voltage - Forward (Vf) (Max) @ If	1.05 V @ 15 A	1.1 V @ 8 A	1.1 V @ 10 A	975 mV @ 8 A	1.15 V @ 10 A	930 mV @ 8 A	930 mV @ 5 A	930 mV @ 3 A	1.1 V @ 5 A
Speed Classification	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)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	35 ns	26 ns	27 ns	35 ns	45 ns	30 ns	30 ns	25 ns	25 ns
Current - Reverse Leakage @ Vr	10 µA @ 200 V	6 µA @ 200 V	10 µA @ 200 V	5 µA @ 200 V	100 µA @ 200 V	10 µA @ 200 V	10 µA @ 200 V	10 µA @ 200 V	5 µA @ 200 V
Operating Temperature - Junction	-65°C ~ 175°C	175°C (Max)	175°C (Max)	-65°C ~ 150°C	-65°C ~ 150°C	150°C (Max)	150°C (Max)	150°C (Max)	175°C (Max)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-220-3 Full Pack	TO-220-3 Full Pack	TO-220-3 Full Pack	TO-220-3 Full Pack	TO-220-3 Full Pack	TO-220-3 Full Pack	TO-220-3 Full Pack	TO-220-3 Full Pack	TO-220-3 Full Pack
Technology	Standard	Standard	Standard	Standard	Avalanche	Standard	Standard	Standard	Standard
Product Status	Obsolete	Active	Active	Active	Obsolete	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalents (10 A Rating):

STTH1602CFP and STTH2002CFP from STMicroelectronics are active production parts with ROHS3 compliance. Both maintain 200 V reverse voltage and TO-220-3 Full Pack configuration. STTH1602CFP operates to 175°C maximum junction temperature with 26 ns reverse recovery time. STTH2002CFP operates to 175°C maximum junction temperature with 27 ns reverse recovery time. These parts are suitable for applications where 10 A current capacity is acceptable and higher temperature operation is required.

Alternative Equivalents (8 A Rating):

MURF1620CTG from onsemi and STTH1002CFP from STMicroelectronics both provide 8 A current capacity with 200 V reverse voltage in TO-220-3 Full Pack configuration. MURF1620CTG is an active production part with ROHS3 compliance, 35 ns reverse recovery time, and 150°C maximum junction temperature. STTH1002CFP is an active production part with ROHS3 compliance, 25 ns reverse recovery time, and 175°C maximum junction temperature. STTH1002CFP provides superior reverse recovery performance and higher temperature operation.

Lower Current Alternatives (5 A and 3 A Ratings):

RF1001T2D from Rohm Semiconductor provides 5 A current capacity with 200 V reverse voltage, 30 ns reverse recovery time, and 150°C maximum junction temperature. RF601T2D from Rohm Semiconductor provides 3 A current capacity with 200 V reverse voltage, 25 ns reverse recovery time, and 150°C maximum junction temperature. Both are active production parts with ROHS3 compliance. These parts are suitable only for applications where current requirements do not exceed their rated values.

Avalanche Technology Alternative:

FFPF20UP20DNTU from onsemi provides 10 A current capacity with avalanche technology, 200 V reverse voltage, and TO-220-3 Full Pack configuration. This part is obsolete but features ROHS3 compliance. Avalanche technology provides additional overvoltage protection characteristics not present in standard technology parts.

Compliance Considerations:

All substitute parts except FFPF20UP20DNTU are active production components. The original 30CTH02FP is RoHS non-compliant, while all recommended substitutes are ROHS3 compliant. This compliance improvement supports modern manufacturing and environmental requirements.

Frequently Asked Questions (FAQ)

Q: Can STTH1602CFP directly replace 30CTH02FP in all applications?

A: STTH1602CFP maintains identical voltage rating (200 V), configuration (1 Pair Common Cathode), and package (TO-220-3 Full Pack). However, current capacity is reduced from 15 A to 10 A. Direct replacement is valid only for applications where maximum current does not exceed 10 A per diode. Operating temperature range extends to 175°C, matching the original specification.

Q: What is the significance of reverse recovery time differences?

A: Reverse recovery time (trr) affects switching speed and electromagnetic interference characteristics. The 30CTH02FP specifies 35 ns. Substitute parts range from 25 ns to 45 ns. Parts with lower trr (25-30 ns) provide faster switching and reduced EMI. FFPF20UP20DNTU at 45 ns represents slower recovery. Selection depends on circuit switching frequency and EMI requirements.

Q: Why do some substitutes have lower maximum junction temperature?

A: The 30CTH02FP operates to 175°C maximum junction temperature. Several substitutes (MURF1620CTG, FFPF20UP20DNTU, RF1001T2D, RF1601T2D, RF601T2D) are rated to 150°C maximum. This represents a 25°C reduction in thermal headroom. Substitution is valid only if circuit design maintains junction temperature below 150°C under worst-case conditions.

Q: What does RoHS3 compliance mean for component selection?

A: RoHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. The original 30CTH02FP is RoHS non-compliant. All recommended substitutes are ROHS3 compliant, supporting modern manufacturing standards and environmental regulations. This compliance is mandatory for many applications and markets.

Q: Can I use RF601T2D (3 A) or RF1001T2D (5 A) in place of 30CTH02FP (15 A)?

A: These parts maintain voltage rating, configuration, and package compatibility. However, current capacity is significantly reduced. Use only if application maximum current does not exceed the substitute part rating. Operating at or above rated current causes excessive junction temperature rise and component failure.

Q: What is the difference between Standard and Avalanche technology?

A: The 30CTH02FP uses Standard technology. FFPF20UP20DNTU uses Avalanche technology. Avalanche diodes provide inherent overvoltage protection through avalanche breakdown characteristics. Standard technology parts require external protection circuits for overvoltage conditions. Technology selection depends on circuit protection requirements and design approach.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts use TO-220-3 Full Pack through-hole packaging, matching the original 30CTH02FP. Supplier device package designations vary slightly (TO-220FP, TO-220FN, TO-220F-3) but represent equivalent physical and electrical interfaces. PCB layout and thermal management considerations remain consistent across all listed substitutes.

Q: Which substitute provides the best overall performance match?

A: STTH1002CFP and STTH1602CFP from STMicroelectronics provide the closest performance match. Both are active production parts with ROHS3 compliance, 175°C maximum junction temperature matching the original specification, and fast reverse recovery times (25-26 ns). STTH1002CFP provides 8 A capacity with superior reverse recovery performance. STTH1602CFP provides 10 A capacity, closer to the original 15 A rating.

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