HCPL-4502#500 Equivalent & Substitute Parts

Part Overview

The HCPL-4502#500 is a single-channel optoisolator with transistor output, rated for 3750Vrms isolation voltage. This component is discontinued at DiGi Electronics, necessitating identification of equivalent alternatives for ongoing design support and procurement. The part operates across the temperature range of -55°C to 100°C and is housed in an 8-SMD Gull Wing package suitable for surface mount applications.

Key Parameters

Parameter	Value
Manufacturer	Broadcom Limited
Category	Optoisolators
Number of Channels	1
Voltage - Isolation	3750Vrms
Current Transfer Ratio (Min)	19% @ 16mA
Current Transfer Ratio (Max)	50% @ 16mA
Turn On / Turn Off Time (Typ)	200ns, 600ns
Output Type	Transistor
Voltage - Output (Max)	20V
Current - Output / Channel	8mA
Voltage - Forward (Vf) (Typ)	1.5V
Current - DC Forward (If) (Max)	25mA
Operating Temperature	-55°C ~ 100°C
Package / Case	8-SMD, Gull Wing
Mounting Type	Surface Mount
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the HCPL-4502#500 is determined by strict equivalence across the following critical parameters:

Voltage - Isolation: 3750Vrms
Number of Channels: 1
Output Type: Transistor
Current Transfer Ratio: 19% (Min) @ 16mA, 50% (Max) @ 16mA
Turn On / Turn Off Time: 200ns, 600ns
Voltage - Output (Max): 20V
Current - Output / Channel: 8mA
Voltage - Forward (Vf) (Typ): 1.5V
Current - DC Forward (If) (Max): 25mA
Operating Temperature: -55°C ~ 100°C
Package / Case: 8-SMD, Gull Wing

All substitute parts listed maintain identical electrical and mechanical specifications across these parameters, ensuring direct functional compatibility.

Parameter Comparison

Parameter	HCPL-4502#500	HCPL-4502-500E	HCPL-4503#500	HCPL-4503-500E	HCPL-4503-560E
Manufacturer	Broadcom Limited	Broadcom Limited	Broadcom Limited	Broadcom Limited	Broadcom Limited
Number of Channels	1	1	1	1	1
Voltage - Isolation	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms
Current Transfer Ratio (Min)	19% @ 16mA	19% @ 16mA	19% @ 16mA	19% @ 16mA	19% @ 16mA
Current Transfer Ratio (Max)	50% @ 16mA	50% @ 16mA	50% @ 16mA	50% @ 16mA	50% @ 16mA
Turn On / Turn Off Time (Typ)	200ns, 600ns	200ns, 600ns	200ns, 600ns	200ns, 600ns	200ns, 600ns
Output Type	Transistor	Transistor	Transistor	Transistor	Transistor
Voltage - Output (Max)	20V	20V	20V	20V	20V
Current - Output / Channel	8mA	8mA	8mA	8mA	8mA
Voltage - Forward (Vf) (Typ)	1.5V	1.5V	1.5V	1.5V	1.5V
Current - DC Forward (If) (Max)	25mA	25mA	25mA	25mA	25mA
Operating Temperature	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C
Package / Case	8-SMD, Gull Wing	8-SMD, Gull Wing	8-SMD, Gull Wing	8-SMD, Gull Wing	8-SMD, Gull Wing
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Discontinued at DiGi Electronics	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging	-	Tape & Reel (TR)	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	-
Inventory Status	2244 Pcs New Original In Stock	1725 Pcs New Original In Stock	725 Pcs New Original In Stock	2100 Pcs New Original In Stock	9010 Pcs New Original In Stock

Engineering Selection Recommendations

All substitute parts maintain identical electrical and mechanical specifications to the HCPL-4502#500. Selection among available alternatives is based on product status and compliance requirements:

HCPL-4502-500E is the direct manufacturer equivalent, offering active product status and ROHS3 compliance with Tape & Reel packaging.

HCPL-4503#500, HCPL-4503-500E, and HCPL-4503-560E are parametric equivalents with identical electrical performance. HCPL-4503-500E and HCPL-4503-560E provide ROHS3 compliance and active product status. HCPL-4503-560E offers the highest inventory availability at 9010 pieces.

For applications requiring RoHS non-compliant components, HCPL-4503#500 remains available with active product status.

Frequently Asked Questions (FAQ)

Q: Can HCPL-4502-500E be used as a direct replacement for HCPL-4502#500?

A: Yes. HCPL-4502-500E is the direct manufacturer equivalent with identical electrical and mechanical specifications. The primary difference is product status (active versus discontinued) and RoHS compliance (ROHS3 compliant).

Q: What is the difference between HCPL-4502 and HCPL-4503 series parts?

A: Both series maintain identical electrical specifications across all critical parameters including isolation voltage, current transfer ratio, switching times, and output characteristics. They are parametric equivalents suitable for direct substitution.

Q: Are packaging differences significant for substitution?

A: All substitute parts use the same 8-SMD Gull Wing package for surface mount applications. Packaging format variations (Tape & Reel, Cut Tape, Digi-Reel) affect procurement and handling but do not impact electrical or mechanical compatibility.

Q: Does RoHS compliance affect functional compatibility?

A: No. RoHS compliance status reflects manufacturing process and material composition but does not alter electrical performance or functional compatibility. Selection based on RoHS status depends on application and regulatory requirements.

Q: Which substitute part offers the best availability?

A: HCPL-4503-560E provides the highest inventory level at 9010 pieces with active product status and ROHS3 compliance.

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