Equivalent & Substitute Parts Reference for 1N1344C

Part Overview

1N1344C, manufactured by Microchip Technology, is an active standard rectifier diode intended for stud mount applications within the Diodes, Rectifiers category. It features a 200 V maximum DC reverse voltage and a 16A average rectified current capacity. Alternative models are necessary when specific inventory, compliance requirements, or component lifecycle factors demand a substitute with equivalent electrical and mechanical characteristics.

Key Parameters

Parameter	1N1344C
Manufacturer	Microchip Technology
Category	Diodes, Rectifiers
Product Status	Active
Voltage - DC Reverse (Vr) (Max)	200 V
Current - Average Rectified (Io)	16A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 30 A
Speed	Standard Recovery >500ns, >200mA (Io)
Current - Reverse Leakage @ Vr	10 µA @ 200 V
Mounting Type	Stud Mount
Package / Case	DO-203AA, DO-4, Stud
Operating Temperature - Junction	-65°C ~ 200°C
RoHS Status	RoHS non-compliant
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8541.10.0080

Substitute Part Grouping Explanation

Substitution logic is strictly based on electrical and mechanical compatibility. Key parameters considered for the substitute selection include maximum DC reverse voltage, average rectified current, forward voltage at rated current, recovery speed, mounting type, package/case, and product status. Only substitute parts matching or exceeding these parameters within the same category (Diodes, Rectifiers) and mechanical format (DO-203AA, DO-4, Stud Mount) are included.

Parameter Comparison

Parameter	1N1344C	VS-25F20
Manufacturer	Microchip Technology	Vishay General Semiconductor - Diodes Division
Category	Diodes, Rectifiers	Diodes, Rectifiers
Product Status	Active	Active
Voltage - DC Reverse (Vr) (Max)	200 V	200 V
Current - Average Rectified (Io)	16A	25A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 30 A	1.3 V @ 78 A
Speed	Standard Recovery >500ns, >200mA (Io)	Standard Recovery >500ns, >200mA (Io)
Current - Reverse Leakage @ Vr	10 µA @ 200 V	12 mA @ 200 V
Mounting Type	Stud Mount	Chassis, Stud Mount
Package / Case	DO-203AA, DO-4, Stud	DO-203AA, DO-4, Stud
Operating Temperature - Junction	-65°C ~ 200°C	-65°C ~ 175°C
RoHS Status	RoHS non-compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS	8541.10.0080	8541.10.0080

Engineering Selection Recommendations

Selection between 1N1344C and VS-25F20 can be made based on product status (both are active), compliance profiles (VS-25F20 is ROHS3 compliant, 1N1344C is RoHS non-compliant), and identical REACH status. Both parts utilize the DO-203AA (DO-4) stud mount package and are categorized under Diodes, Rectifiers. ECCN and HTSUS alignment is confirmed.

Frequently Asked Questions (FAQ)

Q1. What key parameters must match to substitute a rectifier diode?
A1. Voltage - DC Reverse (Vr) (Max), Current - Average Rectified (Io), Voltage - Forward (Vf) (Max) @ If, recovery speed, mounting type, and package/case are required to be identical or superior for substitution.

Q2. Can I interchange 1N1344C and VS-25F20 in the same mechanical application?
A2. Yes, both utilize the DO-203AA (DO-4) stud mount configuration within the same product category.

Q3. How do compliance requirements differ between the substitute parts?
A3. 1N1344C is RoHS non-compliant, while VS-25F20 is ROHS3 compliant. Both are REACH unaffected.

Q4. Are there differences in maximum operating temperature?
A4. 1N1344C supports up to 200°C junction temperature, VS-25F20 supports up to 175°C.

Q5. Does the substitute part provide higher current capability?
A5. VS-25F20 supports a higher average rectified current (25A) compared to 1N1344C (16A).

Q6. Are there differences in reverse leakage current between these parts?
A6. 1N1344C has a reverse leakage specification of 10 µA @ 200 V, while VS-25F20 specifies 12 mA @ 200 V.

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