FOD053LR1 Equivalent & Substitute Parts

Part Overview

The FOD053LR1 is a 2-channel optoisolator with transistor output manufactured by onsemi, rated for 2500Vrms isolation voltage. This component is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production support. The FOD053LR1 operates across the industrial temperature range of -40°C to 85°C and is packaged in an 8-SOIC surface mount configuration.

Substiute Parts

FOD053LR1
onsemiIn Stock: 14128FOD053LR1 Datasheet
FOD053LR1
Current Part
FOD053LR2
onsemiIn Stock: 1768FOD053LR2 Datasheet
FOD053LR2
Parametric Equivalent
ACPL-054L-000E
Broadcom LimitedIn Stock: 1999ACPL-054L-000E Datasheet
ACPL-054L-000E
Similar
ACPL-054L-500E
Broadcom LimitedIn Stock: 22435ACPL-054L-500E Datasheet
ACPL-054L-500E
Similar
ACPL-054L-560E
Broadcom LimitedIn Stock: 19724ACPL-054L-560E Datasheet
ACPL-054L-560E
Similar

Key Parameters

Parameter Value
Manufacturer Part Number FOD053LR1
Manufacturer onsemi
Category Optoisolators
Number of Channels 2
Voltage - Isolation 2500Vrms
Current Transfer Ratio (Min) 15% @ 16mA
Current Transfer Ratio (Max) 50% @ 16mA
Turn On / Turn Off Time (Typ) 1µs, 1µs (Max)
Output Type Transistor
Voltage - Output (Max) 7V
Current - Output / Channel 8mA
Voltage - Forward (Vf) (Typ) 1.45V
Current - DC Forward (If) (Max) 25 mA
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Product Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected

Substitute Part Grouping Explanation

Substitution for the FOD053LR1 is determined by the following critical parameters: number of channels (2), output type (transistor), isolation voltage rating, current transfer ratio range, output voltage capability, and surface mount 8-SOIC package compatibility.

Parametric Equivalent: FOD053LR2 maintains identical electrical specifications and packaging, differing only in product status (active vs. obsolete) and packaging format (Tape & Reel vs. bulk).

Similar Alternatives: The ACPL-054L series (ACPL-054L-000E, ACPL-054L-500E, ACPL-054L-560E) from Broadcom Limited provides higher isolation voltage (3750Vrms), improved current transfer ratio performance (93-200% @ 3mA), and extended operating temperature range (-40°C to 105°C). These parts maintain 2-channel transistor output configuration and 8mA per-channel current capability, with compatible 8-SOIC package footprint.

Parameter Comparison

Parameter FOD053LR1 FOD053LR2 ACPL-054L-000E ACPL-054L-500E ACPL-054L-560E
Manufacturer onsemi onsemi Broadcom Limited Broadcom Limited Broadcom Limited
Number of Channels 2 2 2 2 2
Voltage - Isolation 2500Vrms 2500Vrms 3750Vrms 3750Vrms 3750Vrms
Current Transfer Ratio (Min) 15% @ 16mA 15% @ 16mA 93% @ 3mA 93% @ 3mA 93% @ 3mA
Current Transfer Ratio (Max) 50% @ 16mA 50% @ 16mA 200% @ 3mA 200% @ 3mA 200% @ 3mA
Turn On / Turn Off Time (Typ) 1µs, 1µs (Max) 1µs, 1µs (Max) 200ns, 380ns 200ns, 380ns 200ns, 380ns
Output Type Transistor Transistor Transistor Transistor Transistor
Voltage - Output (Max) 7V 7V 24V 24V 24V
Current - Output / Channel 8mA 8mA 8mA 8mA 8mA
Voltage - Forward (Vf) (Typ) 1.45V 1.45V 1.5V 1.5V 1.5V
Current - DC Forward (If) (Max) 25 mA 25 mA 20 mA 20 mA 20 mA
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 105°C -40°C ~ 105°C -40°C ~ 105°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Product Status Obsolete Active Active Active Active
RoHS Status Not specified ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) 1 (Unlimited) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected REACH Unaffected REACH Unaffected REACH Unaffected

Engineering Selection Recommendations

FOD053LR2 is the direct parametric equivalent for FOD053LR1 replacement. Both parts share identical electrical characteristics and package specifications. FOD053LR2 is currently in active production status with ROHS3 compliance certification, making it the preferred choice for direct substitution in existing designs.

ACPL-054L series (ACPL-054L-000E, ACPL-054L-500E, ACPL-054L-560E) represents an enhanced alternative when design requirements permit. These Broadcom parts offer superior isolation voltage (3750Vrms vs. 2500Vrms), significantly higher current transfer ratio performance, faster switching times (200ns/380ns vs. 1µs), and extended operating temperature range to 105°C. All three variants maintain identical electrical specifications and differ only in packaging format (Tube, Cut Tape & Digi-Reel®). All ACPL-054L variants carry ROHS3 compliance certification and active product status.

Selection between FOD053LR2 and ACPL-054L series depends on application requirements for isolation voltage, switching speed, and temperature range. Both options provide regulatory compliance and production availability.

Frequently Asked Questions (FAQ)

Q: Can FOD053LR2 be used as a direct replacement for FOD053LR1?

A: Yes. FOD053LR2 is a parametric equivalent with identical electrical specifications, current transfer ratio range, isolation voltage, output voltage, and 8-SOIC package footprint. The primary difference is product status (active vs. obsolete) and packaging format options.

Q: What are the key differences between FOD053LR1/LR2 and ACPL-054L series?

A: The ACPL-054L series provides higher isolation voltage (3750Vrms vs. 2500Vrms), superior current transfer ratio performance (93-200% @ 3mA vs. 15-50% @ 16mA), faster switching response (200ns/380ns vs. 1µs), higher maximum output voltage (24V vs. 7V), and extended operating temperature range (-40°C to 105°C vs. -40°C to 85°C). All maintain 2-channel transistor output, 8mA per-channel current, and compatible 8-SOIC package footprint.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. FOD053LR1, FOD053LR2, and all ACPL-054L variants use the 8-SOIC (0.154", 3.90mm Width) package with identical pin configuration and footprint, enabling direct PCB compatibility.

Q: What is the difference between ACPL-054L-000E, ACPL-054L-500E, and ACPL-054L-560E?

A: These three parts are electrically identical. The differences are packaging formats: ACPL-054L-000E is supplied in Tube packaging, while ACPL-054L-500E and ACPL-054L-560E are supplied in Cut Tape & Digi-Reel® format. Selection depends on procurement and assembly requirements.

Q: Do all substitute parts meet current regulatory requirements?

A: FOD053LR2 and all ACPL-054L variants carry ROHS3 compliance certification and REACH Unaffected status. All parts have MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions.

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