HCPL-4504#060 Equivalent & Substitute Parts

Part Overview

The HCPL-4504#060 is a 3.75kV isolation optoisolator with transistor output in 8-DIP packaging, manufactured by Broadcom Limited. This component is discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing design support and procurement. The part functions as a galvanic isolation interface for DC input signals with transistor-based output switching capability, suitable for applications requiring high-voltage isolation in industrial and power management circuits.

Key Parameters

Parameter	Value
Isolation Voltage	3750Vrms
Number of Channels	1
Current Transfer Ratio (Min)	25% @ 16mA
Current Transfer Ratio (Max)	60% @ 16mA
Turn On / Turn Off Time	200ns / 300ns
Output Type	Transistor
Maximum Output Voltage	20V
Output Current per Channel	8mA
Input Forward Voltage (Typ)	1.5V
Maximum DC Forward Current	25mA
Operating Temperature Range	-55°C to 100°C
Package Type	8-DIP (0.300", 7.62mm)
Mounting Type	Through Hole

Substitute Part Grouping Explanation

Substitution eligibility for the HCPL-4504#060 is determined by the following critical parameters: isolation voltage rating, number of channels, output type, package configuration, and mounting method. All listed substitutes maintain the same 8-DIP through-hole package and single-channel architecture. The primary distinction among substitutes involves isolation voltage rating (3750Vrms vs. 5000Vrms), current transfer ratio specifications, and output stage configuration (standard transistor vs. transistor with base access).

Direct substitutes (HCPL-4504-060E, HCPL-4504, HCPL-4504-000E) maintain identical isolation voltage and electrical performance parameters, differing only in product status and packaging format (tube vs. standard).

Parametric equivalent (HCPL4503M) offers higher isolation voltage (5000Vrms) with modified current transfer ratio and includes base terminal access on the output transistor, representing a design upgrade path rather than a direct replacement.

Parameter Comparison

Parameter	HCPL-4504#060	HCPL-4504-060E	HCPL-4504	HCPL-4504-000E	HCPL4503M
Manufacturer	Broadcom Limited	Broadcom Limited	Broadcom Limited	Broadcom Limited	onsemi
Isolation Voltage	3750Vrms	3750Vrms	3750Vrms	3750Vrms	5000Vrms
Number of Channels	1	1	1	1	1
Current Transfer Ratio (Min)	25% @ 16mA	25% @ 16mA	25% @ 16mA	25% @ 16mA	19% @ 16mA
Current Transfer Ratio (Max)	60% @ 16mA	60% @ 16mA	60% @ 16mA	60% @ 16mA	50% @ 16mA
Turn On / Turn Off Time	200ns / 300ns	200ns / 300ns	200ns / 300ns	200ns / 300ns	250ns / 260ns
Output Type	Transistor	Transistor	Transistor	Transistor	Transistor with Base
Maximum Output Voltage	20V	20V	20V	20V	20V
Output Current per Channel	8mA	8mA	8mA	8mA	8mA
Input Forward Voltage (Typ)	1.5V	1.5V	1.5V	1.5V	1.45V
Maximum DC Forward Current	25mA	25mA	25mA	25mA	25mA
Operating Temperature Range	-55°C to 100°C	-55°C to 100°C	-55°C to 100°C	-55°C to 100°C	-40°C to 100°C
Package / Case	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Product Status	Discontinued	Active	Active	Active	Active
RoHS Status	Non-compliant	ROHS3 Compliant	Non-compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For direct replacement of the discontinued HCPL-4504#060, HCPL-4504-060E is the primary choice, offering identical electrical specifications with active product status and ROHS3 compliance. HCPL-4504-000E provides equivalent performance in tube packaging format with higher inventory availability and ROHS3 compliance. HCPL-4504 serves as an alternative with active status but retains RoHS non-compliance matching the original part.

HCPL4503M (onsemi) represents a parametric equivalent with enhanced isolation voltage (5000Vrms) and base terminal access on the output transistor. This substitute is suitable for applications where higher isolation margin is beneficial, though it introduces modified current transfer ratio specifications and narrower operating temperature range (-40°C minimum vs. -55°C). The base terminal addition enables enhanced output stage control in specific circuit topologies.

Selection should prioritize HCPL-4504-060E or HCPL-4504-000E for direct substitution requirements. HCPL4503M selection requires circuit-level evaluation of the modified electrical parameters and base terminal functionality.

Frequently Asked Questions (FAQ)

Q: Can HCPL-4504-060E be used as a direct replacement for HCPL-4504#060?

A: Yes. HCPL-4504-060E maintains identical isolation voltage (3750Vrms), current transfer ratio specifications (25%-60% @ 16mA), switching times (200ns/300ns), and package configuration (8-DIP through-hole). The primary advantage is active product status and ROHS3 compliance.

Q: What is the difference between HCPL-4504-060E and HCPL-4504-000E?

A: Both parts are electrically identical with matching isolation voltage and performance parameters. The distinction is packaging format: HCPL-4504-060E uses standard packaging while HCPL-4504-000E is supplied in tube format. HCPL-4504-000E offers significantly higher inventory availability (15,380 pcs vs. 5,800 pcs).

Q: Is HCPL4503M a suitable substitute?

A: HCPL4503M is a parametric equivalent rather than a direct replacement. It provides higher isolation voltage (5000Vrms vs. 3750Vrms) and includes base terminal access on the output transistor. However, it exhibits lower current transfer ratio (19%-50% vs. 25%-60%), different switching times (250ns/260ns vs. 200ns/300ns), and narrower operating temperature range (-40°C to 100°C vs. -55°C to 100°C). Use HCPL4503M only when circuit design accommodates these parameter variations and benefits from enhanced isolation or base control capability.

Q: Are all substitutes compatible with the same PCB footprint?

A: Yes. All listed substitutes use identical 8-DIP (0.300", 7.62mm) package configuration with through-hole mounting, ensuring direct PCB footprint compatibility without layout modifications.

Q: What compliance considerations apply to substitute selection?

A: HCPL-4504-060E and HCPL-4504-000E are ROHS3 compliant, addressing environmental regulations for new designs. HCPL-4504 and the original HCPL-4504#060 are RoHS non-compliant. HCPL4503M is ROHS3 compliant. All parts are REACH unaffected and classified as EAR99 for export control purposes.

Q: Which substitute offers the best inventory availability?

A: HCPL-4504-000E provides the highest inventory level at 15,380 pcs, followed by HCPL4503M at 6,080 pcs and HCPL-4504-060E at 5,800 pcs.

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