Equivalent & Substitute Parts Reference: DA227TL

Part Overview

DA227TL is a diode array from Rohm Semiconductor categorized under Diodes, Rectifiers. It consists of two independent standard diodes intended for general-purpose small signal rectification. With an 80 V maximum reverse voltage and a 100 mA average rectified current per diode, DA227TL offers high-speed performance and is supplied in a compact SC-82A, SOT-343 surface-mount package. The product is currently active and widely available. Alternative models may be needed to address cross-part standardization, inventory fluctuations, or specific device package requirements within the same electrical and mechanical specifications.

Key Parameters

Parameter	DA227TL Value
Diode Configuration	2 Independent
Technology	Standard
Voltage - DC Reverse (Vr) (Max)	80 V
Current - Average Rectified (Io) (per Diode)	100mA
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 100 mA
Reverse Recovery Time (trr)	4 ns
Current - Reverse Leakage @ Vr	100 nA @ 70 V
Operating Temperature - Junction	150°C (Max)
Mounting Type	Surface Mount
Package / Case	SC-82A, SOT-343
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute diodes are selected strictly based on the following allowed engineering parameters:

Maximum DC reverse voltage (Vr)
Average rectified current (Io)
Maximum forward voltage (Vf) at specified forward current
Reverse recovery time (trr)
Reverse leakage current at Vr
Surface-mount compatibility
Package size equivalence or appropriate adaptation
RoHS and REACH status Only substitutes matching or exceeding these thresholds within allowed product status and compliance levels are included.

Parameter Comparison

Parameter	DA227TL	1SS355VMFHTE-17	BAS16E6327HTSA1
Manufacturer	Rohm Semiconductor	Rohm Semiconductor	Infineon Technologies
Category	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	80 V	80 V	80 V
Current - Average Rectified (Io)	100mA	100mA	250mA
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 100 mA	1.2 V @ 100 mA	1.25 V @ 150 mA
Reverse Recovery Time (trr)	4 ns	4 ns	4 ns
Current - Reverse Leakage @ Vr	100 nA @ 70 V	100 nA @ 80 V	1 µA @ 75 V
Operating Temperature - Junction	150°C (Max)	150°C (Max)	150°C (Max)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	SC-82A, SOT-343	SC-90, SOD-323F	TO-236-3, SC-59, SOT-23-3
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Last Time Buy

Engineering Selection Recommendations

For DA227TL substitution, ensure matched compliance levels (RoHS3 Compliant, REACH Unaffected, Moisture Sensitivity Level 1). Select active products where ongoing lifecycle support is required. BAS16E6327HTSA1 is designated as “Last Time Buy,” and should be considered only for short-term or legacy applications. All listed substitutes meet the required environmental and certification standards.

Frequently Asked Questions (FAQ)

Q1: What electrical parameters must match for DA227TL diode substitution?
Electrical substitution must strictly match DC reverse voltage (Vr), average rectified current (Io), maximum forward voltage (Vf) at specified current, and reverse recovery time (trr).

Q2: How important is package compatibility in substitution?
Surface-mount capability is mandatory. Differences in exact package code (SC-82A, SOT-343 vs. SOD-323F or SOT-23-3) must be evaluated against the application’s footprint and assembly requirements.

Q3: Can substitutes with higher current ratings be used?
Substitutes exceeding the rated average rectified current (Io) are accepted if all other critical parameters are equivalent.

Q4: Are compliance (RoHS, REACH, MSL) mandatory in selection?
Yes, environmental compliance and moisture sensitivity level must match provided specifications for proper qualification.

Q5: How does product status affect substitute selection?
Select “Active” components for ongoing production. “Last Time Buy” parts are suitable for maintenance or transitional assemblies only.

Q6: Does the number of independent diodes affect substitution?
If application design requires two independent diodes per package, the substitute must support the same configuration. Always verify against the substitute’s functional description.

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