HS1DAL Equivalent & Substitute Parts Reference

Part Overview

The Taiwan Semiconductor Corporation HS1DAL is a surface-mount diode rectifier rated at 200 V and 1 A, with fast recovery characteristics. The part is active and ROHS3 compliant, designed for general-purpose rectification in electronic circuits. Alternative models such as parametric equivalents are essential for ensuring availability during production, managing supply chain constraints, adhering to pre-qualified manufacturer lists, or fulfilling compliance requirements. Substitution ensures identical fit, form, and function within defined electrical and mechanical parameters.

Key Parameters

Parameter	HS1DAL
Voltage - DC Reverse (Vr) (Max)	200 V
Current - Average Rectified (Io)	1A
Voltage - Forward (Vf) (Max) @ If	1 V @ 1 A
Reverse Recovery Time (trr)	50 ns
Current - Reverse Leakage @ Vr	1 µA @ 200 V
Capacitance @ Vr, F	20pF @ 4V, 1MHz
Mounting Type	Surface Mount
Package / Case	DO-221AC, SMA Flat Leads
Supplier Device Package	Thin SMA
Operating Temperature - Junction	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute diode rectifier parts are grouped strictly based on equivalence in voltage rating, current rating, forward voltage drop, reverse recovery time, reverse leakage current, capacitance, mounting type, package, operating temperature range, and compliance certifications. All listed parameters must match those of the main part to ensure the substitute part provides identical electrical performance and mechanical compatibility.

Parameter Comparison

Parameter	HS1DAL (Taiwan Semiconductor Corporation)	US1DAFC_R1_00001 (Panjit International Inc.)
Voltage - DC Reverse (Vr) (Max)	200 V	200 V
Current - Average Rectified (Io)	1A	1A
Voltage - Forward (Vf) (Max) @ If	1 V @ 1 A	1 V @ 1 A
Reverse Recovery Time (trr)	50 ns	50 ns
Current - Reverse Leakage @ Vr	1 µA @ 200 V	1 µA @ 200 V
Capacitance @ Vr, F	20pF @ 4V, 1MHz	20pF @ 4V, 1MHz
Mounting Type	Surface Mount	Surface Mount
Package / Case	DO-221AC, SMA Flat Leads	DO-221AC, SMA Flat Leads
Supplier Device Package	Thin SMA	SMAF-C
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both HS1DAL and US1DAFC_R1_00001 are active and ROHS3 compliant with MSL 1 classification and REACH unaffected status. Product status is active for both parts, ensuring ongoing availability and suitability for production deployment. All environmental compliance and certification parameters match, supporting direct substitution within the category of diodes, rectifiers.

Frequently Asked Questions (FAQ)

Q: What is the basis for substituting US1DAFC_R1_00001 for HS1DAL in diode rectifier applications?
A: The substitution is based on a matched set of key electrical and mechanical parameters, including voltage, current, forward voltage, reverse recovery time, reverse leakage, capacitance, package, mounting type, and compliance certifications.

Q: Are there any differences in package or mounting style between HS1DAL and US1DAFC_R1_00001?
A: Both parts use the DO-221AC package with SMA flat leads for surface mounting, with supplier device packages designated as Thin SMA and SMAF-C respectively.

Q: What compliance certifications do the substitute and main part share?
A: Both HS1DAL and US1DAFC_R1_00001 are ROHS3 compliant, have MSL 1 (Unlimited) classification, and are REACH unaffected.

Q: Can US1DAFC_R1_00001 be used in the same operating temperature range as HS1DAL?
A: Yes. Both parts specify an operating junction temperature range of -55°C to 150°C.

Q: Is product status a consideration when substituting components?
A: Yes. Substitution is supported as both parts have an active product status, ensuring continuity for procurement and manufacturing.

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