B2100SAF-13 Equivalent & Substitute Parts

Part Overview

The B2100SAF-13 is a Schottky rectifier diode manufactured by Diodes Incorporated, rated for 100V DC reverse voltage and 2A average rectified current in a surface mount SMAF package. This component is classified as obsolete, necessitating identification of active equivalent parts for new designs and ongoing production requirements. The part is RoHS3 compliant and REACH affected, with fast recovery characteristics suitable for high-frequency switching applications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	790 mV @ 2 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	10	µA @ 100 V
Package / Case	DO-221AC, SMA Flat Leads	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Schottky	—

Substitute Part Grouping Explanation

Substitution of the B2100SAF-13 is determined by equivalence across the following critical parameters:

Voltage Rating: 100V DC reverse voltage maximum
Current Rating: 2A average rectified current
Forward Voltage Drop: 790 mV maximum at 2A
Recovery Speed: Fast recovery ≤ 500ns for currents > 200mA
Reverse Leakage: 10 µA at 100V
Package Type: DO-221AC with SMA flat leads (SMAF)
Operating Temperature Range: -55°C to 150°C junction temperature
Technology: Schottky diode construction

The B2100AF-13 meets all specified electrical and mechanical parameters, providing direct functional equivalence for circuit applications requiring these performance characteristics.

Parameter Comparison

Parameter	B2100SAF-13 (Main)	B2100AF-13 (Substitute)	Match
Manufacturer	Diodes Incorporated	Diodes Incorporated	Yes
Technology	Schottky	Schottky	Yes
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	Yes
Current - Average Rectified (Io)	2 A	2 A	Yes
Voltage - Forward (Vf) (Max) @ If	790 mV @ 2 A	790 mV @ 2 A	Yes
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Yes
Current - Reverse Leakage @ Vr	10 µA @ 100 V	10 µA @ 100 V	Yes
Package / Case	DO-221AC, SMA Flat Leads	DO-221AC, SMA Flat Leads	Yes
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	Yes
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Yes
Product Status	Obsolete	Active	Different

Engineering Selection Recommendations

The B2100AF-13 is the direct parametric equivalent for the obsolete B2100SAF-13. Both parts share identical electrical specifications, package configuration, and compliance certifications. The B2100AF-13 carries active product status with current manufacturing availability, making it the appropriate selection for new designs and production continuity.

Both parts maintain RoHS3 compliance and EAR99 export classification. The B2100AF-13 is REACH unaffected, whereas the B2100SAF-13 is REACH affected. The B2100AF-13 includes Moisture Sensitivity Level (MSL) 1 rating, indicating unlimited shelf life under standard storage conditions.

Selection of the B2100AF-13 eliminates obsolescence risk while maintaining full electrical and mechanical compatibility with existing circuit designs specified for the B2100SAF-13.

Frequently Asked Questions (FAQ)

Q: Can the B2100AF-13 be used as a direct replacement for the B2100SAF-13 in existing designs?

A: Yes. The B2100AF-13 provides complete parametric equivalence across all electrical specifications, including voltage rating, current capacity, forward voltage drop, recovery speed, and reverse leakage characteristics. Both parts use identical DO-221AC SMAF packaging with flat leads, ensuring mechanical compatibility on printed circuit boards.

Q: What is the primary reason for substituting the B2100SAF-13?

A: The B2100SAF-13 is classified as obsolete. The B2100AF-13 is an active product with current manufacturing and inventory availability, providing supply continuity for production and new design applications.

Q: Are there compliance differences between these parts?

A: Both parts are RoHS3 compliant and carry EAR99 export classification. The B2100AF-13 is REACH unaffected, while the B2100SAF-13 is REACH affected. The B2100AF-13 includes MSL 1 moisture sensitivity rating, supporting unlimited shelf life under standard storage conditions.

Q: Do these parts have identical thermal operating ranges?

A: Yes. Both the B2100SAF-13 and B2100AF-13 operate across a junction temperature range of -55°C to 150°C, supporting equivalent thermal performance in circuit applications.

Q: Is the SMAF package configuration identical between both parts?

A: Yes. Both parts use the DO-221AC package with SMA flat leads (SMAF supplier device package), ensuring identical footprint and mounting compatibility on surface mount assemblies.

Q: What is the forward voltage drop specification for these diodes?

A: Both parts specify a maximum forward voltage drop of 790 mV at 2A forward current, providing identical voltage regulation characteristics in rectification circuits.

Q: Are the reverse leakage current specifications the same?

A: Yes. Both parts specify 10 µA maximum reverse leakage current at 100V reverse bias, ensuring equivalent leakage performance in high-impedance circuit applications.

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