HCPL-0453#560 Optoisolator Equivalent & Substitute Parts

Part Overview

The HCPL-0453#560 is a single-channel optoisolator with transistor output manufactured by Broadcom Limited, rated for 3750Vrms isolation voltage. This component is discontinued at DiGi Electronics, necessitating identification of equivalent alternatives that maintain electrical and mechanical compatibility for new designs or production continuity.

Key Parameters

Parameter	Value
Manufacturer	Broadcom Limited
Category	Optoisolators
Number of Channels	1
Voltage - Isolation	3750Vrms
Current Transfer Ratio (Min)	15% @ 16mA
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
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Turn On / Turn Off Time (Typ)	1µs, 1µs (Max)
Input Type	DC

Substitute Part Grouping Explanation

Substitution of the HCPL-0453#560 is determined by strict equivalence across the following critical parameters:

Number of Channels: 1 (single-channel requirement)
Voltage - Isolation: 3750Vrms (minimum isolation specification)
Output Type: Transistor (functional output configuration)
Package / Case: 8-SOIC (0.154", 3.90mm Width) (mechanical compatibility)
Current Transfer Ratio (Min): 15% @ 16mA (performance threshold)
Voltage - Output (Max): 20V (output voltage rating)
Current - Output / Channel: 8mA (output current capability)
Operating Temperature: -55°C ~ 100°C (thermal operating range)

Parts meeting all these parameters are classified as parametric equivalents. Parts from alternative manufacturers meeting these specifications are classified as manufacturer-recommended alternatives.

Parameter Comparison

Part Number	Manufacturer	Voltage - Isolation	Current Transfer Ratio (Min)	Voltage - Output (Max)	Current - Output / Channel	Operating Temperature	Package	Product Status	RoHS Status
HCPL-0453#560	Broadcom Limited	3750Vrms	15% @ 16mA	20V	8mA	-55°C ~ 100°C	8-SOIC	Discontinued	RoHS non-compliant
HCPL-0452#500	Broadcom Limited	3750Vrms	15% @ 16mA	20V	8mA	-55°C ~ 100°C	8-SOIC	Active	RoHS non-compliant
HCPL-0452-500E	Broadcom Limited	3750Vrms	15% @ 16mA	20V	8mA	-55°C ~ 100°C	8-SOIC	Active	ROHS3 Compliant
HCPL-0452-560E	Broadcom Limited	3750Vrms	15% @ 16mA	20V	8mA	-55°C ~ 100°C	8-SOIC	Active	ROHS3 Compliant
HCPL-0453#500	Broadcom Limited	3750Vrms	15% @ 16mA	20V	8mA	-55°C ~ 100°C	8-SOIC	Active	RoHS non-compliant
HCPL-0453-500E	Broadcom Limited	3750Vrms	15% @ 16mA	20V	8mA	-55°C ~ 100°C	8-SOIC	Active	ROHS3 Compliant
HCPL-0453-560E	Broadcom Limited	3750Vrms	15% @ 16mA	20V	8mA	-55°C ~ 100°C	8-SOIC	Active	ROHS3 Compliant
HCPL0453	Fairchild Semiconductor	2500Vrms	19% @ 16mA	20V	8mA	-40°C ~ 85°C	8-SOIC	Active	Not specified
SFH6343T	Vishay Semiconductor Opto Division	4000Vrms	19% @ 16mA	25V	8mA	-55°C ~ 100°C	8-SOIC	Active	ROHS3 Compliant

Engineering Selection Recommendations

Broadcom Limited Parametric Equivalents (Preferred for Direct Substitution)

The following parts maintain full electrical and mechanical compatibility with HCPL-0453#560:

HCPL-0452#500: Active product with identical electrical specifications. RoHS non-compliant status matches the original part.
HCPL-0452-500E: Active product with identical electrical specifications. ROHS3 compliant, suitable for applications requiring RoHS compliance.
HCPL-0452-560E: Active product with identical electrical specifications. ROHS3 compliant, suitable for applications requiring RoHS compliance.
HCPL-0453#500: Active product with identical electrical specifications. RoHS non-compliant status matches the original part.
HCPL-0453-500E: Active product with identical electrical specifications. ROHS3 compliant, suitable for applications requiring RoHS compliance.
HCPL-0453-560E: Active product with identical electrical specifications. ROHS3 compliant, suitable for applications requiring RoHS compliance.

Alternative Manufacturer Options

HCPL0453 (Fairchild Semiconductor): Operates at reduced isolation voltage (2500Vrms vs. 3750Vrms) and narrower temperature range (-40°C ~ 85°C vs. -55°C ~ 100°C). Use only when isolation voltage and temperature requirements can be relaxed.
SFH6343T (Vishay Semiconductor Opto Division): Exceeds isolation voltage specification (4000Vrms vs. 3750Vrms) and output voltage rating (25V vs. 20V). ROHS3 compliant. Suitable for applications requiring higher isolation margins.

Frequently Asked Questions (FAQ)

Q: Can HCPL-0453#560 be directly replaced with HCPL-0452-500E?

A: Yes. Both parts share identical electrical parameters: 3750Vrms isolation, 15% minimum current transfer ratio, 20V maximum output voltage, 8mA output current, and -55°C to 100°C operating temperature. The primary difference is RoHS compliance status (ROHS3 vs. non-compliant) and packaging format (Cut Tape & Digi-Reel vs. Tape & Reel).

Q: What is the difference between HCPL-0453-560E and HCPL-0453-500E?

A: Both parts are electrically identical. The difference is packaging format: HCPL-0453-560E is supplied in Tape & Reel (TR) format with 560-unit reels, while HCPL-0453-500E is supplied in Cut Tape (CT) & Digi-Reel format with 500-unit reels. Both are ROHS3 compliant.

Q: Can SFH6343T replace HCPL-0453#560?

A: SFH6343T is electrically compatible but exceeds the original specifications. It provides 4000Vrms isolation (vs. 3750Vrms required) and 25V maximum output voltage (vs. 20V required). It is suitable for applications where higher isolation margins are beneficial. Operating temperature range matches (-55°C ~ 100°C).

Q: Why is HCPL0453 from Fairchild Semiconductor not recommended as a direct substitute?

A: HCPL0453 operates at 2500Vrms isolation voltage, which is below the 3750Vrms requirement of HCPL-0453#560. Additionally, its operating temperature range (-40°C ~ 85°C) is narrower than the original (-55°C ~ 100°C). Use only when application requirements permit reduced isolation voltage and temperature range.

Q: Are all Broadcom parametric equivalents pin-compatible?

A: Yes. All Broadcom parametric equivalents use the 8-SOIC (0.154", 3.90mm Width) package with identical pinout and electrical characteristics, ensuring direct PCB compatibility.

Q: What is the inventory status of available substitutes?

A: HCPL-0453-500E has the highest inventory (35,865 pcs), followed by HCPL-0452-500E (18,600 pcs) and HCPL-0452#500 (12,616 pcs). All listed alternatives are in active production with confirmed stock availability.

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