HCPL-2533 Equivalent & Substitute Parts

Part Overview

The HCPL-2533 is a 2-channel optoisolator with transistor output, rated for 3750Vrms isolation voltage. This component is designed for applications requiring galvanic isolation between logic and power circuits in industrial control, motor drive, and switching applications. The part is currently in active production status. Substitute parts may be required due to inventory constraints, supply chain considerations, or specific compliance requirements for end applications.

Key Parameters

Parameter	Value
Number of Channels	2
Voltage - Isolation	3750Vrms
Current Transfer Ratio (Min)	15% @ 8mA
Turn On / Turn Off Time (Typ)	800ns, 1µs
Input Type	DC
Output Type	Transistor
Voltage - Output (Max)	7V
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-DIP (0.300", 7.62mm)
Mounting Type	Through Hole

Substitute Part Grouping Explanation

Substitution eligibility for the HCPL-2533 is determined by the following critical parameters:

Primary Substitution Criteria:

Number of Channels: Must be 2
Package / Case: Must be 8-DIP (0.300", 7.62mm)
Mounting Type: Must be Through Hole
Input Type: Must be DC
Output Type: Must be Transistor
Operating Temperature Range: Must support -55°C ~ 100°C

Secondary Compatibility Parameters:

Voltage - Isolation: Minimum 3750Vrms (equal or higher acceptable)
Current Transfer Ratio (Min): Minimum 15% @ 8mA (equal or higher acceptable)
Voltage - Output (Max): Minimum 7V (equal or higher acceptable)
Current - Output / Channel: Minimum 8mA (equal or higher acceptable)

Substitute parts are grouped into two categories: parametric equivalents (identical specifications) and manufacturer-recommended alternatives (functional compatibility with parameter variations).

Parameter Comparison

Parameter	HCPL-2533	HCPL-2533-000E	TLP2530(F)
Manufacturer	Broadcom Limited	Broadcom Limited	Toshiba Semiconductor and Storage
Number of Channels	2	2	2
Voltage - Isolation	3750Vrms	3750Vrms	2500Vrms
Current Transfer Ratio (Min)	15% @ 8mA	15% @ 8mA	7% @ 16mA
Turn On / Turn Off Time (Typ)	800ns, 1µs	800ns, 1µs	300ns, 500ns
Input Type	DC	DC	DC
Output Type	Transistor	Transistor	Transistor
Voltage - Output (Max)	7V	7V	15V
Current - Output / Channel	8mA	8mA	Not specified
Voltage - Forward (Vf) (Typ)	1.5V	1.5V	1.65V
Current - DC Forward (If) (Max)	25mA	25mA	25mA
Operating Temperature	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C
Package / Case	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
Product Status	Active	Active	Obsolete
RoHS Status	RoHS non-compliant	ROHS3 Compliant	RoHS Compliant

Engineering Selection Recommendations

HCPL-2533-000E (Parametric Equivalent)

The HCPL-2533-000E is a direct parametric equivalent manufactured by Broadcom Limited. All electrical and mechanical specifications are identical to the HCPL-2533. The primary distinction is RoHS compliance status: HCPL-2533-000E is ROHS3 compliant, while the base HCPL-2533 is RoHS non-compliant. Selection of HCPL-2533-000E is appropriate for applications requiring RoHS3 compliance or when inventory of the base part is unavailable. Both parts share identical performance characteristics and are pin-compatible.

TLP2530(F) (Manufacturer-Recommended Alternative)

The TLP2530(F) is a Toshiba-manufactured optoisolator with functional compatibility to the HCPL-2533 but with parameter variations. Key differences include:

Lower isolation voltage rating (2500Vrms vs. 3750Vrms)
Lower current transfer ratio (7% @ 16mA vs. 15% @ 8mA)
Faster switching times (300ns, 500ns vs. 800ns, 1µs)
Higher maximum output voltage (15V vs. 7V)

The TLP2530(F) is listed as obsolete. Selection of this part is not recommended for new designs. Existing designs using TLP2530(F) may transition to HCPL-2533 or HCPL-2533-000E if isolation voltage and current transfer ratio requirements are met.

Frequently Asked Questions (FAQ)

Q: Can HCPL-2533-000E be used as a direct replacement for HCPL-2533?

A: Yes. HCPL-2533-000E is a parametric equivalent with identical electrical and mechanical specifications. The parts are pin-compatible and functionally interchangeable. The primary difference is RoHS3 compliance status of the -000E variant.

Q: What are the key differences between HCPL-2533 and TLP2530(F)?

A: The TLP2530(F) has lower isolation voltage (2500Vrms vs. 3750Vrms) and lower current transfer ratio (7% @ 16mA vs. 15% @ 8mA). The TLP2530(F) offers faster switching times and higher output voltage capability. The TLP2530(F) is obsolete and not recommended for new designs.

Q: Is the 8-DIP package identical across all three parts?

A: Yes. All three parts use the 8-DIP (0.300", 7.62mm) package with through-hole mounting. PCB footprints and board layouts are compatible.

Q: What isolation voltage is required to substitute HCPL-2533 with TLP2530(F)?

A: The TLP2530(F) provides 2500Vrms isolation, which is 1250Vrms lower than the HCPL-2533 specification of 3750Vrms. Substitution is only acceptable if the application isolation requirement does not exceed 2500Vrms.

Q: Are there RoHS compliance differences between the substitute parts?

A: Yes. HCPL-2533 is RoHS non-compliant. HCPL-2533-000E is ROHS3 compliant. TLP2530(F) is RoHS compliant. Selection depends on end-product compliance requirements.

Q: What is the current transfer ratio difference, and does it affect circuit design?

A: HCPL-2533 and HCPL-2533-000E specify 15% @ 8mA. TLP2530(F) specifies 7% @ 16mA. Lower current transfer ratio requires higher input current to achieve equivalent output performance. Circuit design must account for this parameter when selecting TLP2530(F).

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message