SK210-LTP Equivalent & Substitute Parts

Part Overview

The SK210-LTP is a Schottky rectifier diode manufactured by Micro Commercial Co, rated for 100V DC reverse voltage and 2A average rectified current in a DO-214AA (SMB) surface mount package. This component is Active product status and RoHS3 compliant. Equivalent and substitute parts are identified based on matching or superior electrical characteristics within the same package family, enabling design flexibility, supply chain alternatives, and procurement optimization.

Key Parameters

Parameter	Value	Unit
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	850 mV @ 2 A	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the SK210-LTP are classified based on the following substitution criteria:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 100V minimum
Current - Average Rectified (Io): 2A minimum
Technology: Schottky
Package / Case: DO-214AA or SMB equivalent
Mounting Type: Surface Mount
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Parametric Equivalent: Parts with identical electrical ratings and package, differing only in packaging format (Cut Tape vs. Tape & Reel) or minor leakage current variations within acceptable ranges.

Direct Manufacturer Equivalent: Parts from different manufacturers meeting all primary criteria with equivalent or superior performance characteristics.

Similar Parts: Parts with matching voltage and package but reduced current rating (1A) or slightly different forward voltage characteristics, suitable for lower-current applications or as design alternatives.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [mV]	Ir @ Vr [µA]	Package	Packaging Format	Tj (Max) [°C]	RoHS Status
SK210-LTP	Micro Commercial Co	100	2	850 @ 2A	1000 @ 100V	DO-214AA, SMB	Cut Tape (CT)	150	ROHS3
SK210HE3-LTP	Micro Commercial Co	100	2	850 @ 2A	50 @ 100V	DO-214AA, SMB	Tape & Reel (TR)	150	ROHS3
CMSH2-100 TR13 PBFREE	Central Semiconductor Corp	100	2	850 @ 2A	500 @ 100V	DO-214AA, SMB	Tape & Reel (TR)	150	ROHS3
B1100LB-13-F	Diodes Incorporated	100	1	750 @ 1A	500 @ 100V	DO-214AA, SMB	Cut Tape (CT) & Digi-Reel®	175	ROHS3
B2100-13-F	Diodes Incorporated	100	2	790 @ 2A	7 @ 100V	DO-214AA, SMB	Cut Tape (CT) & Digi-Reel®	150	ROHS3
MB210_R1_00001	Panjit International Inc.	100	2	800 @ 2A	50 @ 100V	DO-214AA, SMB	Tape & Reel (TR)	175	ROHS3
MBRS2H100T3G	onsemi	100	2	790 @ 2A	8 @ 100V	DO-214AA, SMB	Cut Tape (CT) & Digi-Reel®	175	ROHS3
S210	Fairchild Semiconductor	100	2	850 @ 2A	400 @ 100V	DO-214AA, SMB	Bulk	125	—
SS2H10-E3/52T	Vishay General Semiconductor - Diodes Division	100	2	790 @ 2A	10 @ 100V	DO-214AA, SMB	Cut Tape (CT)	175	ROHS3
SS2H10-E3/5BT	Vishay General Semiconductor - Diodes Division	100	2	790 @ 2A	10 @ 100V	DO-214AA, SMB	Cut Tape (CT)	175	ROHS3
STPS1H100U	STMicroelectronics	100	1	770 @ 1A	4 @ 100V	DO-214AA, SMB	Cut Tape (CT) & Digi-Reel®	175	ROHS3

Engineering Selection Recommendations

Parametric Equivalent (Direct Replacement): SK210HE3-LTP is a parametric equivalent offering identical electrical specifications to SK210-LTP with the primary difference being packaging format (Tape & Reel vs. Cut Tape) and lower reverse leakage current (50 µA vs. 1 mA). This part is suitable for direct substitution in high-volume manufacturing environments requiring reel packaging. Both parts are Active status and ROHS3 compliant.

Full-Rated 2A Substitutes (Equivalent Current Rating): B2100-13-F, MB210_R1_00001, MBRS2H100T3G, SS2H10-E3/52T, and SS2H10-E3/5BT all maintain the 2A current rating and 100V voltage rating of the SK210-LTP. These parts are suitable for direct substitution where current capacity must be preserved. All are Active status and ROHS3 compliant. Forward voltage characteristics range from 790 mV to 850 mV at 2A, within acceptable design margins. Operating temperature ranges extend to 175°C for most alternatives, providing enhanced thermal performance.

Reduced-Current Alternatives (1A Rating): B1100LB-13-F and STPS1H100U are rated for 1A average rectified current. These parts are suitable only for applications where the circuit design accommodates reduced current capacity. Both maintain 100V voltage rating and DO-214AA package compatibility. These alternatives are not direct replacements for 2A-rated designs.

Legacy or Bulk Packaging: S210 (Fairchild Semiconductor) is available in Bulk packaging format and maintains electrical equivalence to SK210-LTP. This part is suitable for applications where reel or tape packaging is not required. Operating temperature maximum is 125°C, lower than the primary part.

Central Semiconductor Alternative: CMSH2-100 TR13 PBFREE provides equivalent 2A and 100V ratings with Tape & Reel packaging. Reverse leakage current is 500 µA at 100V, within acceptable range. This part is ROHS3 compliant and Active status.

Frequently Asked Questions (FAQ)

Q: Can SK210HE3-LTP be used as a direct replacement for SK210-LTP? A: Yes. SK210HE3-LTP is a parametric equivalent with identical electrical ratings (100V, 2A, 850 mV forward voltage). The primary difference is packaging format (Tape & Reel vs. Cut Tape). Both parts are manufactured by Micro Commercial Co and are ROHS3 compliant. Substitution is valid for all applications.

Q: What is the difference between the 2A-rated and 1A-rated alternatives? A: The 2A-rated parts (B2100-13-F, MB210_R1_00001, MBRS2H100T3G, SS2H10-E3/52T, SS2H10-E3/5BT) are direct current equivalents to SK210-LTP and suitable for applications requiring full 2A capacity. The 1A-rated parts (B1100LB-13-F, STPS1H100U) are suitable only for circuits designed for 1A operation and cannot replace 2A-rated designs without circuit redesign.

Q: Are all substitute parts RoHS3 compliant? A: All listed substitutes except S210 (Fairchild Semiconductor) are explicitly ROHS3 compliant. S210 does not specify RoHS status in the provided data.

Q: What is the significance of forward voltage (Vf) differences among substitutes? A: Forward voltage differences range from 790 mV to 850 mV at 2A across the substitute parts. These variations are within typical design margins for Schottky diodes. Circuit designs should account for these differences in power dissipation calculations. Lower Vf values (790 mV) result in reduced power loss compared to higher values (850 mV).

Q: Can I use parts with different operating temperature ranges? A: Yes, provided the application environment does not exceed the part's maximum junction temperature. Most substitutes support -55°C to 175°C or -65°C to 175°C ranges, compared to SK210-LTP's -55°C to 150°C. Parts with higher temperature ratings provide additional thermal margin but are not required if the application operates within SK210-LTP's specified range.

Q: What is the difference between Cut Tape and Tape & Reel packaging? A: Cut Tape (CT) packaging is suitable for lower-volume or manual assembly processes. Tape & Reel (TR) packaging is optimized for high-speed automated assembly. Both formats contain identical components; the difference is in handling and feeding method. Selection depends on manufacturing process requirements, not electrical performance.

Q: Is reverse leakage current (Ir) a critical parameter for substitution? A: Reverse leakage current varies significantly among substitutes (7 µA to 1000 µA at 100V). For most applications, these variations are acceptable. Applications with strict leakage requirements should select parts with lower Ir values (B2100-13-F at 7 µA, STPS1H100U at 4 µA, or SS2H10 variants at 10 µA).

Q: Can CMSH2-100 TR13 PBFREE be used in automotive applications? A: CMSH2-100 TR13 PBFREE is not specified with automotive qualification in the provided data. SK210HE3-LTP carries AEC-Q101 automotive qualification. For automotive applications, SK210HE3-LTP is the recommended choice among Micro Commercial Co products.

Q: What does "Fast Recovery ≤ 500ns, > 200mA (Io)" mean? A: This specification indicates the diode exhibits fast recovery characteristics with recovery time not exceeding 500 nanoseconds for reverse currents greater than 200 milliamps. All listed substitutes meet this specification, ensuring compatibility in high-frequency switching applications.

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