DA3J101A0L Equivalent & Substitute Parts

Part Overview

The DA3J101A0L is a general-purpose rectifier diode manufactured by Panasonic Electronic Components, rated for 80 V DC reverse voltage and 100 mA average rectified current in a surface mount SMini3-F2-B package. This part is discontinued at DiGi Electronics, necessitating identification of equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	80 V
Current - Average Rectified (Io)	100 mA
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 100 mA
Reverse Recovery Time (trr)	3 ns
Current - Reverse Leakage @ Vr	100 nA @ 80 V
Capacitance @ Vr, F	1.2 pF @ 0V, 1MHz
Mounting Type	Surface Mount
Package / Case	SC-85
Operating Temperature - Junction (Max)	150°C
Technology	Standard
Speed Classification	Small Signal ≤ 200mA (Io), Any Speed

Substitute Part Grouping Explanation

Substitution of the DA3J101A0L is determined by equivalence in the following critical parameters: maximum reverse voltage (80 V), average rectified current (100 mA), forward voltage drop (1.2 V @ 100 mA), surface mount technology, SC-85 package compatibility, and operating temperature range (150°C maximum junction temperature). Parts meeting these specifications are classified as parametric equivalents or similar alternatives.

The MA3J142A0L represents a parametric equivalent with identical voltage and current ratings, forward voltage characteristics, and package form factor, differing only in reverse recovery time (10 ns versus 3 ns) and capacitance characteristics (15 pF versus 1.2 pF). The DAP202UMFHTL and DAP202UMTL are diode array configurations from Rohm Semiconductor with matching electrical specifications per diode element, offering alternative packaging topology (1 Pair Common Anode) within the same SC-85 case.

Parameter Comparison

Parameter	DA3J101A0L	MA3J142A0L	DAP202UMFHTL	DAP202UMTL
Manufacturer	Panasonic	Panasonic	Rohm Semiconductor	Rohm Semiconductor
Voltage - DC Reverse (Vr) (Max)	80 V	80 V	80 V	80 V
Current - Average Rectified (Io)	100 mA	100 mA	100 mA	100 mA
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 100 mA	1.2 V @ 100 mA	1.2 V @ 100 mA	1.2 V @ 100 mA
Reverse Recovery Time (trr)	3 ns	10 ns	4 ns	4 ns
Current - Reverse Leakage @ Vr	100 nA @ 80 V	100 nA @ 75 V	100 nA @ 70 V	100 nA @ 70 V
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	SC-85	SC-85	SC-85	SC-85
Operating Temperature - Junction (Max)	150°C	150°C	150°C	150°C
Technology	Standard	Standard	Standard	Standard
Product Status	Discontinued	Obsolete	Not For New Designs	Active
RoHS Status	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

MA3J142A0L serves as a direct parametric equivalent for applications where reverse recovery time tolerance permits 10 ns operation. This part maintains identical voltage and current ratings with equivalent forward voltage characteristics. However, the obsolete product status limits availability for new procurement.

DAP202UMTL is the recommended substitute for active production applications. This Rohm Semiconductor diode array maintains all critical electrical specifications (80 V, 100 mA per diode, 1.2 V forward voltage) with active product status and superior inventory availability (65,100 pieces in stock). The part carries ROHS3 compliance and REACH unaffected status. The common anode configuration requires circuit topology compatibility; applications utilizing single discrete diodes must accommodate the paired diode structure.

DAP202UMFHTL provides an alternative from Rohm Semiconductor with identical electrical specifications and automotive-grade qualification (AEC-Q101). Product status is "Not For New Designs," restricting use to legacy system support and repair applications.

Frequently Asked Questions (FAQ)

Q: Can MA3J142A0L directly replace DA3J101A0L in all applications?

A: MA3J142A0L meets all parametric requirements for voltage, current, and forward voltage specifications. The reverse recovery time difference (10 ns versus 3 ns) and capacitance variation (15 pF versus 1.2 pF) must be evaluated against circuit timing and frequency requirements. Obsolete product status presents long-term availability constraints.

Q: What is the primary difference between DA3J101A0L and the Rohm DAP202 series?

A: The DA3J101A0L is a single discrete diode, while DAP202UMFHTL and DAP202UMTL are diode arrays configured as 1 Pair Common Anode. Electrical specifications per diode element are equivalent. Circuit implementation must accommodate the paired topology and common anode connection.

Q: Is DAP202UMTL suitable for new product designs?

A: Yes. DAP202UMTL carries active product status, ROHS3 compliance, and REACH unaffected designation, supporting new design implementation. Circuit topology must accommodate the common anode diode pair configuration.

Q: What packaging considerations apply to these substitutes?

A: All parts utilize SC-85 surface mount package with identical mechanical footprint. Supplier device packages differ (SMini3-F2-B for DA3J101A0L, SMini3-F1 for MA3J142A0L, UMD3F for DAP202 series), but physical mounting compatibility is maintained across all alternatives.

Q: Are there compliance differences between substitute options?

A: DA3J101A0L and MA3J142A0L are RoHS Compliant. DAP202UMFHTL and DAP202UMTL are ROHS3 Compliant with additional REACH unaffected status. DAP202UMFHTL includes automotive-grade qualification (AEC-Q101). Selection depends on end-application compliance requirements.

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