GS1D-TP Equivalent & Substitute Parts

Part Overview

The GS1D-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 200 V DC reverse voltage and 1 A average rectified current in a DO-214AC (SMA) surface mount package. This part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers. Substitute parts must maintain electrical compatibility across voltage, current, and thermal specifications while supporting the same surface mount package footprint or compatible alternatives.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	V
Current - Reverse Leakage @ Vr	10	µA @ 200 V
Operating Temperature - Junction	-55 to 150	°C
Mounting Type	Surface Mount	—
Package / Case	DO-214AC, SMA	—
Technology	Standard	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Mandatory Electrical Parameters:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 200 V
Current - Average Rectified (Io): Must equal or exceed 1 A
Voltage - Forward (Vf) (Max) @ If: Must not exceed 1.1 V @ 1 A for direct substitution; higher values indicate different recovery characteristics
Current - Reverse Leakage @ Vr: Must not exceed 10 µA @ 200 V

Mandatory Mechanical Parameters:

Mounting Type: Surface Mount
Package / Case: DO-214AC (SMA) or compatible surface mount packages (DO-214BA, SOD-123)

Mandatory Compliance:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Operating Temperature Range:

Junction temperature range must support -55°C to 150°C operation or be compatible with application requirements

Substitute parts are grouped into two categories: Direct Package Equivalents (DO-214AC/SMA) and Compatible Package Alternatives (DO-214BA, SOD-123) that maintain electrical specifications within acceptable tolerances.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ 1A [V]	Ir @ Vr [µA]	Tj Range [°C]	Package	Product Status
GS1D-TP	Micro Commercial Co	200	1	1.1	10 @ 200V	-55 to 150	DO-214AC	Discontinued
CFRA103-G	Comchip Technology	200	1	1.3	5 @ 200V	-55 to 150	DO-214AC	Active
CGRA4003-G	Comchip Technology	200	1	1.1	5 @ 200V	-55 to 150	DO-214AC	Active
CSFA103-G	Comchip Technology	200	1	0.95	5 @ 200V	-55 to 150	DO-214AC	Active
CURA103-G	Comchip Technology	200	1	1.0	5 @ 200V	-55 to 150	DO-214AC	Active
CURM103-G	Comchip Technology	200	1	1.0	5 @ 200V	-55 to 150	SOD-123	Active
EGF1D-E3/5CA	Vishay General Semiconductor	200	1	1.0	5 @ 200V	-65 to 175	DO-214BA	Active
EGF1D-E3/67A	Vishay General Semiconductor	200	1	1.0	5 @ 200V	-65 to 175	DO-214BA	Active
ES1D	EVVO Semi	200	1	1.0	5 @ 200V	-55 to 150	DO-214AC	Active
ES1D-13-F	Diodes Incorporated	200	1	0.92	5 @ 200V	-55 to 150	DO-214AC	Active
ES1D-E3/61T	Vishay General Semiconductor	200	1	0.92	5 @ 200V	-55 to 150	DO-214AC	Active

Engineering Selection Recommendations

Primary Substitutes (DO-214AC Package, Identical Footprint):

ES1D-E3/61T (Vishay General Semiconductor) — Recommended for direct replacement. Matches operating temperature range (-55°C to 150°C), provides lower forward voltage (920 mV vs. 1.1 V), and maintains DO-214AC package compatibility. ROHS3 compliant with unlimited moisture sensitivity rating.
ES1D-13-F (Diodes Incorporated) — Functionally equivalent with 920 mV forward voltage and DO-214AC package. Highest inventory availability (550,400 pcs). Matches temperature range and compliance requirements.
CGRA4003-G (Comchip Technology) — Exact forward voltage match (1.1 V @ 1 A) with DO-214AC package. Maintains -55°C to 150°C operating range. Active product status with 929 pcs inventory.
CSFA103-G (Comchip Technology) — Superior forward voltage performance (950 mV @ 1 A) with fastest reverse recovery time (35 ns). DO-214AC package, -55°C to 150°C range. Largest inventory (19,914 pcs).
CURA103-G (Comchip Technology) — Fast recovery characteristics (50 ns) with 1.0 V forward voltage. DO-214AC package. Note: Maximum junction temperature is 150°C (no minimum specified).
ES1D (EVVO Semi) — 1.0 V forward voltage with 35 ns reverse recovery time. DO-214AC package, -55°C to 150°C range. Highest inventory (140,400 pcs).

Secondary Substitutes (Alternative Packages, Electrical Equivalence):

CURM103-G (Comchip Technology) — Functionally equivalent with 1.0 V forward voltage and 50 ns recovery time. Package is SOD-123 (Mini SMA), requiring PCB layout modification. Maintains -55°C to 150°C range.
EGF1D-E3/5CA and EGF1D-E3/67A (Vishay General Semiconductor, SUPERECTIFIER® series) — Both provide 1.0 V forward voltage with 50 ns recovery time in DO-214BA package. Extended temperature range (-65°C to 175°C) exceeds GS1D-TP requirements. Requires PCB footprint adjustment from DO-214AC to DO-214BA.

Substitutes with Electrical Deviations:

CFRA103-G (Comchip Technology) — Forward voltage of 1.3 V @ 1 A exceeds GS1D-TP specification (1.1 V max). Acceptable only if circuit design tolerates higher forward voltage drop. DO-214AC package, -55°C to 150°C range.

All recommended substitutes maintain ROHS3 compliance, unlimited moisture sensitivity rating (MSL 1), and surface mount mounting type. Selection should prioritize inventory availability, forward voltage performance requirements, and package compatibility with existing PCB designs.

Frequently Asked Questions (FAQ)

Q: Can ES1D-E3/61T directly replace GS1D-TP without PCB modification?

A: Yes. Both parts use DO-214AC (SMA) package with identical footprint and pin configuration. Electrical specifications are compatible: 200 V reverse voltage, 1 A current rating, and -55°C to 150°C operating range. The lower forward voltage (920 mV vs. 1.1 V) is advantageous for power dissipation.

Q: What is the difference between DO-214AC and DO-214BA packages?

A: DO-214AC and DO-214BA are distinct surface mount packages with different physical dimensions and footprints. DO-214AC (SMA) is smaller than DO-214BA (GF1). Parts in DO-214BA package (EGF1D series) require PCB layout redesign and cannot be used as direct drop-in replacements without footprint modification.

Q: Why do some substitutes have lower forward voltage than GS1D-TP?

A: Forward voltage variation reflects differences in semiconductor material quality, doping profiles, and manufacturing processes. Lower forward voltage (0.92 V to 1.0 V) indicates improved efficiency and reduced power dissipation compared to the 1.1 V specification of GS1D-TP. This is beneficial in most applications.

Q: Is CFRA103-G acceptable as a substitute despite 1.3 V forward voltage?

A: CFRA103-G exceeds the GS1D-TP forward voltage specification (1.1 V max). Substitution is acceptable only if circuit design analysis confirms that the additional 0.2 V voltage drop does not compromise system performance, power budget, or thermal management. Verification of application requirements is necessary.

Q: What does "Fast Recovery =< 500ns" mean for rectifier diodes?

A: Recovery time (trr) is the interval required for a diode to transition from conducting to blocking state when reverse bias is applied. Fast recovery specifications (≤ 500 ns) indicate suitability for switching applications and power conversion circuits. All listed substitutes meet this criterion.

Q: Can SOD-123 package (CURM103-G) be used instead of DO-214AC?

A: SOD-123 and DO-214AC packages have different physical dimensions and PCB footprints. CURM103-G cannot be used as a direct drop-in replacement. PCB redesign is required to accommodate the smaller SOD-123 footprint. Electrical specifications are equivalent.

Q: Why is inventory quantity listed for each part?

A: Inventory availability affects lead time and procurement feasibility. Parts with higher inventory (ES1D-13-F: 550,400 pcs; ES1D: 140,400 pcs; CSFA103-G: 19,914 pcs) offer shorter delivery times and reduced supply chain risk compared to parts with lower stock levels.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and carry unlimited moisture sensitivity rating (MSL 1), matching the compliance profile of GS1D-TP. This ensures regulatory compatibility and environmental suitability for industrial and consumer applications.

Q: What is the significance of operating temperature range differences?

A: GS1D-TP operates from -55°C to 150°C. Substitutes with identical ranges (ES1D-E3/61T, CGRA4003-G, CSFA103-G, CURM103-G, ES1D, ES1D-13-F) are directly compatible. Substitutes with extended ranges (EGF1D series: -65°C to 175°C) provide additional thermal margin but do not restrict application use. Substitutes with maximum temperature only (CURA103-G: 150°C max) lack minimum temperature specification and require verification for low-temperature operation.

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