PS2833-1-F3 Optoisolator 2.5KV Darlington Output

Part Overview

The PS2833-1-F3 is a 2500Vrms optoisolator with Darlington output configuration, designed for single-channel isolation applications. Manufactured by CEL, this component operates across a temperature range of -55°C to 100°C with a maximum output current of 60mA per channel. The original part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Specification
Voltage - Isolation	2500Vrms
Current Transfer Ratio (Min)	400% @ 1mA
Current Transfer Ratio (Max)	4500% @ 1mA
Rise / Fall Time (Typ)	20µs, 5µs
Output Type	Darlington
Voltage - Output (Max)	350V
Current - Output / Channel	60mA
Voltage - Forward (Vf) (Typ)	1.2V
Current - DC Forward (If) (Max)	50mA
Vce Saturation (Max)	1V
Operating Temperature	-55°C ~ 100°C
Number of Channels	1
Package / Case	4-SOIC (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Input Type	DC

Substitute Part Grouping Explanation

Substitute optoisolators for the PS2833-1-F3 must satisfy the following electrical and mechanical parameters:

Isolation Voltage: 2500Vrms (non-negotiable for application safety margin)
Output Configuration: Darlington topology (functional requirement)
Current Transfer Ratio: 400–4500% @ 1mA (operational performance range)
Rise / Fall Time: 20µs / 5µs (signal integrity specification)
Output Voltage/Current Ratings: 350V max, 60mA per channel (load capability)
Forward Voltage: 1.2V typical (input drive requirement)
Temperature Range: -55°C to 100°C (environmental specification)
Package: 4-SOIC surface mount with 4.40mm width (PCB compatibility)

All three substitute parts—PS2833-1-F3-A, PS2833-1-V-A, and PS2833-1-V-F3-A—meet these electrical and mechanical criteria while offering active product status and improved compliance standards.

Parameter Comparison

Parameter	PS2833-1-F3 (Original)	PS2833-1-F3-A	PS2833-1-V-A	PS2833-1-V-F3-A
Manufacturer	CEL	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation
Product Status	Obsolete	Active	Active	Active
Voltage - Isolation	2500Vrms	2500Vrms	2500Vrms	2500Vrms
Current Transfer Ratio (Min)	400% @ 1mA	400% @ 1mA	400% @ 1mA	400% @ 1mA
Current Transfer Ratio (Max)	4500% @ 1mA	4500% @ 1mA	4500% @ 1mA	4500% @ 1mA
Rise / Fall Time (Typ)	20µs, 5µs	20µs, 5µs	20µs, 5µs	20µs, 5µs
Output Type	Darlington	Darlington	Darlington	Darlington
Voltage - Output (Max)	350V	350V	350V	350V
Current - Output / Channel	60mA	60mA	60mA	60mA
Voltage - Forward (Vf) (Typ)	1.2V	1.2V	1.2V	1.2V
Current - DC Forward (If) (Max)	50mA	50mA	50mA	50mA
Vce Saturation (Max)	1V	1V	1V	1V
Operating Temperature	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C
Number of Channels	1	1	1	1
Package / Case	4-SOIC (0.173", 4.40mm Width)	4-SOIC (0.173", 4.40mm Width)	4-SOIC (0.173", 4.40mm Width)	4-SOIC (0.173", 4.40mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Input Type	DC	DC	DC	DC
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Affected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All three substitute parts—PS2833-1-F3-A, PS2833-1-V-A, and PS2833-1-V-F3-A—are electrically and mechanically equivalent to the obsolete PS2833-1-F3. The primary differentiators are product status and regulatory compliance.

PS2833-1-F3-A: This direct manufacturer variant from Renesas offers the closest form factor match with active product status, ROHS3 compliance, and REACH unaffected designation. Supplied in Tape & Reel packaging with 73,667 units in stock.

PS2833-1-V-A: A parametric equivalent available in Strip packaging with active product status and full ROHS3/REACH compliance. Inventory availability is lower at 2,108 units.

PS2833-1-V-F3-A: Another parametric equivalent supplied in Tape & Reel packaging with 1,599 units in stock, offering active product status and regulatory compliance identical to PS2833-1-F3-A.

All three parts satisfy the obsolete PS2833-1-F3 electrical requirements and are suitable for direct substitution. Selection between them depends on packaging format preference and inventory requirements.

Frequently Asked Questions (FAQ)

Q: Are the substitute parts electrically identical to the PS2833-1-F3? A: Yes. PS2833-1-F3-A, PS2833-1-V-A, and PS2833-1-V-F3-A share identical electrical specifications including isolation voltage, current transfer ratio, output type, switching characteristics, and operating temperature range.

Q: What is the key difference between the original and substitute parts? A: The original PS2833-1-F3 is obsolete with RoHS non-compliance and REACH affected status. All substitutes carry active product status with ROHS3 compliance and REACH unaffected designation, improving long-term supply chain viability.

Q: Are these parts pin-compatible? A: Yes. All substitute parts maintain the 4-SOIC package format with identical 4.40mm width and surface mount configuration, ensuring direct PCB compatibility.

Q: What packaging formats are available for these substitutes? A: PS2833-1-F3-A and PS2833-1-V-F3-A are supplied in Tape & Reel (TR) format. PS2833-1-V-A is available in Strip packaging.

Q: Can I use these parts interchangeably in my design? A: Yes. The electrical parameters, thermal ratings, and mechanical form factors are identical, supporting direct substitution without circuit redesign.

Q: What compliance improvements do the substitutes offer? A: The substitute parts are ROHS3 compliant and REACH unaffected, whereas the original PS2833-1-F3 is RoHS non-compliant and REACH affected, improving regulatory acceptance for modern applications.

Q: Which substitute should I select if I need the highest inventory availability? A: PS2833-1-F3-A offers the highest stock level at 73,667 units, followed by PS2833-1-V-A with 2,108 units and PS2833-1-V-F3-A with 1,599 units.

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