S110FP Equivalent & Substitute Parts

Part Overview

The S110FP is a Schottky rectifier diode manufactured by onsemi, rated for 100 V DC reverse voltage and 1 A average rectified current in a surface mount SOD-123HE package. This component is classified as "Not For New Designs," indicating it has been superseded in onsemi's product portfolio. Equivalent and substitute parts are necessary for applications requiring continued supply, design flexibility, or alternative sourcing options while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	800 mV @ 1 A	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Mounting Type	Surface Mount	—
Package / Case	SOD-123H	—
Operating Temperature - Junction	-55°C ~ 150°C	—
RoHS Status	ROHS3 Compliant	—
Grade	Automotive	—
Qualification	AEC-Q101	—

Substitute Part Grouping Explanation

Substitute parts for the S110FP are grouped into two categories based on allowed electrical and mechanical parameters:

Category 1: Package-Compatible Substitutes (SOD-123HE)

Parts SS10100HE_R1_00001, SS10100HE-AU_R1_000A1, SS110LS, SS110LSH, and SS1H10LS maintain identical package geometry (SOD-123HE) and all critical electrical parameters: 100 V reverse voltage rating, 1 A average rectified current, 800 mV forward voltage at 1 A, and fast recovery characteristics. These parts are direct mechanical and electrical substitutes suitable for PCB designs without layout modification.

Category 2: Package-Different Substitute (DO-219AB)

Part SS1FH10HM3/H from Vishay operates at identical electrical specifications (100 V, 1 A, 800 mV Vf, fast recovery) but uses a different surface mount package (DO-219AB/SMF). This substitute requires PCB footprint redesign and is applicable only when package change is acceptable.

Key Parameters Determining Substitution:

Voltage - DC Reverse (Vr) (Max): 100 V (all substitutes match)

Current - Average Rectified (Io): 1 A (all substitutes match)

Voltage - Forward (Vf) (Max) @ If: 800 mV @ 1 A (all substitutes match)

Speed: Fast Recovery ≤ 500ns, > 200mA (Io) (all substitutes match)

Mounting Type: Surface Mount (all substitutes match)

Technology: Schottky (all substitutes match)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Package / Case	Vr (Max) [V]	Io [A]	Vf (Max) @ If [mV @ A]	Speed	Ir @ Vr [µA]	Tj (Operating) [°C]	Product Status	AEC-Q101
S110FP	onsemi	SOD-123H	100	1	800 @ 1	Fast Recovery ≤ 500ns	50 @ 100	-55 ~ 150	Not For New Designs	Yes
SS10100HE_R1_00001	Panjit International Inc.	SOD-123H	100	1	800 @ 1	Fast Recovery ≤ 500ns	30 @ 100	-55 ~ 150	Active	Not specified
SS10100HE-AU_R1_000A1	Panjit International Inc.	SOD-123H	100	1	800 @ 1	Fast Recovery ≤ 500ns	30 @ 100	-55 ~ 150	Active	Yes
SS110LS	Taiwan Semiconductor Corporation	SOD-123H	100	1	800 @ 1	Fast Recovery ≤ 500ns	50 @ 100	-55 ~ 150	Active	Not specified
SS110LSH	Taiwan Semiconductor Corporation	SOD-123H	100	1	800 @ 1	Fast Recovery ≤ 500ns	50 @ 100	-55 ~ 150	Active	Yes
SS1H10LS	Taiwan Semiconductor Corporation	SOD-123H	100	1	800 @ 1	Fast Recovery ≤ 500ns	1 @ 100	-55 ~ 150	Active	Not specified
SS1FH10HM3/H	Vishay General Semiconductor - Diodes Division	DO-219AB	100	1	800 @ 1	Fast Recovery ≤ 500ns	5 @ 100	-55 ~ 175	Active	Yes

Engineering Selection Recommendations

For Automotive Applications with AEC-Q101 Requirement:

SS10100HE-AU_R1_000A1 (Panjit) and SS110LSH (Taiwan Semiconductor Corporation) are qualified to AEC-Q101 standard and maintain active product status. Both are available in SOD-123HE package with identical electrical specifications to the S110FP. SS110LSH offers higher inventory availability (7,630 units) compared to SS10100HE-AU_R1_000A1 (885 units).

For General Industrial Applications:

SS110LS (Taiwan Semiconductor Corporation) and SS1H10LS (Taiwan Semiconductor Corporation) provide active product status with SOD-123HE package compatibility. SS110LS maintains reverse leakage characteristics identical to the S110FP (50 µA @ 100 V), while SS1H10LS exhibits significantly lower reverse leakage (1 µA @ 100 V), which may be advantageous in low-power applications.

For Package-Agnostic Designs:

SS1FH10HM3/H (Vishay) offers AEC-Q101 qualification and active status with extended operating temperature range (-55°C ~ 175°C versus -55°C ~ 150°C). This part requires DO-219AB footprint implementation and is suitable when thermal margin or temperature performance is a design priority.

Inventory Considerations:

SS110LS (Taiwan Semiconductor Corporation) provides the highest inventory availability at 30,376 units, followed by SS10100HE_R1_00001 (Panjit) at 6,400 units. The original S110FP maintains 23,400 units in stock.

Frequently Asked Questions (FAQ)

Q: Can SS110LS be used as a direct replacement for S110FP without PCB modification?

A: Yes. SS110LS maintains identical package geometry (SOD-123HE), reverse voltage rating (100 V), average rectified current (1 A), forward voltage (800 mV @ 1 A), and fast recovery characteristics. No PCB layout changes are required.

Q: What is the difference between SS110LSH and SS110LS?

A: Both parts are manufactured by Taiwan Semiconductor Corporation and share identical electrical specifications and SOD-123HE packaging. SS110LSH carries AEC-Q101 automotive qualification, while SS110LS does not specify this qualification. For automotive applications, SS110LSH is the appropriate selection.

Q: Why does SS1H10LS show lower reverse leakage (1 µA @ 100 V) compared to S110FP (50 µA @ 100 V)?

A: Reverse leakage variation within the same voltage and current rating is a normal characteristic of different manufacturing processes and device design. Both values fall within acceptable Schottky diode performance ranges. Lower leakage may reduce standby power consumption in certain circuit topologies.

Q: Is SS1FH10HM3/H compatible with existing S110FP PCB layouts?

A: No. SS1FH10HM3/H uses DO-219AB (SMF) package geometry, which differs from the S110FP SOD-123HE package. PCB footprint redesign is required. This substitute is applicable only when package change is acceptable or when thermal performance improvement justifies redesign effort.

Q: Which substitute offers the best compliance profile for automotive applications?

A: SS110LSH and SS10100HE-AU_R1_000A1 both carry AEC-Q101 qualification and ROHS3 compliance. SS110LSH offers superior inventory availability (7,630 units) and identical reverse leakage characteristics to the original S110FP (50 µA @ 100 V).

Q: What is the significance of the extended temperature range in SS1FH10HM3/H (-55°C ~ 175°C)?

A: The extended upper operating temperature limit (175°C versus 150°C) provides additional thermal margin in high-temperature environments. This characteristic is relevant only if circuit design requires operation near or above 150°C junction temperature.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (SS10100HE_R1_00001, SS10100HE-AU_R1_000A1, SS110LS, SS110LSH, SS1H10LS, and SS1FH10HM3/H) are ROHS3 compliant, matching the S110FP compliance status.

Q: Can capacitance variation between substitutes affect circuit performance?

A: Capacitance values range from 1 pF (SS1H10LS, not specified) to 100 pF (SS10100HE_R1_00001 @ 0V, 1MHz). In rectifier applications, diode capacitance primarily affects high-frequency switching performance and reverse recovery characteristics. For standard rectification circuits operating below 1 MHz, capacitance variation is not a limiting factor. High-frequency switching applications should evaluate specific capacitance values against circuit requirements.

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