IL 610A-1 General Purpose Digital Isolator Equivalent & Substitute Parts

Part Overview

The IL 610A-1 is a general purpose digital isolator manufactured by NVE Corp/Isolation Products, utilizing Giant Magnetoresistive (GMR) technology to provide 2500Vrms isolation across a single unidirectional channel. This component operates at 10Mbps data rate with 15kV/µs common mode transient immunity and is housed in an 8-MSOP surface mount package.

The IL 610A-1 carries an obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term production requirements for applications currently utilizing this isolator.

Key Parameters

Parameter	IL 610A-1
Manufacturer	NVE Corp/Isolation Products
Technology	GMR (Giant Magnetoresistive)
Voltage - Isolation	2500Vrms
Number of Channels	1
Channel Type	Unidirectional
Data Rate	10Mbps
Common Mode Transient Immunity (Min)	15kV/µs
Voltage - Supply	3V ~ 5.5V
Operating Temperature	-55°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the IL 610A-1 is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage isolation rating: 2500Vrms
Number of channels: 1
Channel configuration: Unidirectional
Common mode transient immunity: 15kV/µs minimum
Supply voltage range: 3V ~ 5.5V
Mounting type: Surface Mount
Technology: GMR (Giant Magnetoresistive)

Substitution Categories:

Direct Equivalent: IL 610A-1E represents a direct equivalent with identical electrical specifications and the same base product number (IL 610). The primary difference is packaging format (Tube vs. standard) and product status (Active vs. Obsolete). This part maintains full compatibility with IL 610A-1 designs.

Similar Functional Equivalents: HCPL-9000-300E, HCPL-9000-500, and HCPL-9000-500E are manufactured by Broadcom Limited and meet all critical electrical parameters including 2500Vrms isolation, 1-channel unidirectional configuration, 15kV/µs CMTI, and 3V ~ 5.5V supply voltage. These parts operate at higher data rates (110MBd vs. 10Mbps) and feature improved propagation delay characteristics. Package differences exist (8-SMD Gull Wing vs. 8-MSOP), requiring PCB layout evaluation.

Parameter Comparison

Parameter	IL 610A-1	IL 610A-1E	HCPL-9000-300E	HCPL-9000-500	HCPL-9000-500E
Manufacturer	NVE Corp	NVE Corp	Broadcom Limited	Broadcom Limited	Broadcom Limited
Technology	GMR	GMR	GMR	GMR	GMR
Voltage - Isolation	2500Vrms	2500Vrms	2500Vrms	2500Vrms	2500Vrms
Number of Channels	1	1	1	1	1
Channel Type	Unidirectional	Unidirectional	Unidirectional	Unidirectional	Unidirectional
Data Rate	10Mbps	10Mbps	110MBd	110MBd	110MBd
Common Mode Transient Immunity (Min)	15kV/µs	15kV/µs	15kV/µs	15kV/µs	15kV/µs
Propagation Delay tpLH / tpHL (Max)	75ns, 25ns	75ns, 25ns	15ns, 15ns	15ns, 15ns	15ns, 15ns
Voltage - Supply	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V
Operating Temperature	-55°C ~ 125°C	-40°C ~ 85°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-SMD, Gull Wing	8-SMD, Gull Wing	8-SMD, Gull Wing
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Preferred):

IL 610A-1E is the recommended substitute for IL 610A-1 applications. Both parts share identical electrical specifications, the same base product number (IL 610), and GMR technology platform. IL 610A-1E carries Active product status and ROHS3 compliance, addressing regulatory and supply chain concerns associated with the obsolete IL 610A-1. Operating temperature range narrows from -55°C ~ 125°C to -40°C ~ 85°C; applications requiring extended low-temperature operation below -40°C must evaluate this limitation against design requirements.

For Enhanced Performance Applications:

HCPL-9000-300E, HCPL-9000-500, and HCPL-9000-500E provide superior performance characteristics while maintaining all critical isolation and CMTI parameters. These Broadcom parts operate at 110MBd (11x higher data rate) with significantly reduced propagation delay (15ns vs. 75ns/25ns). All three variants maintain 2500Vrms isolation, 15kV/µs CMTI, and 3V ~ 5.5V supply compatibility.

Compliance Considerations:

IL 610A-1E: ROHS3 Compliant, REACH Unaffected
HCPL-9000-300E: ROHS3 Compliant, REACH Unaffected
HCPL-9000-500: RoHS non-compliant, REACH Unaffected
HCPL-9000-500E: ROHS3 Compliant, REACH Unaffected

Applications subject to RoHS3 requirements should exclude HCPL-9000-500.

Package Compatibility:

IL 610A-1E maintains the 8-MSOP package footprint, enabling direct PCB substitution. HCPL-9000 variants use 8-SMD Gull Wing packaging, requiring PCB layout modification and re-qualification of solder reflow profiles.

Frequently Asked Questions (FAQ)

Q: Can IL 610A-1E be used as a direct drop-in replacement for IL 610A-1?

A: IL 610A-1E is electrically and mechanically compatible with IL 610A-1 for applications operating within the -40°C ~ 85°C temperature range. Both parts use identical 8-MSOP packaging and share the same electrical specifications (2500Vrms isolation, 10Mbps data rate, 15kV/µs CMTI, 3V ~ 5.5V supply). Applications requiring operation below -40°C must evaluate the narrower temperature range against design specifications.

Q: What are the key differences between IL 610A-1E and the HCPL-9000 series?

A: IL 610A-1E maintains the original 10Mbps data rate and propagation delay characteristics of IL 610A-1. HCPL-9000 variants (300E, 500, 500E) operate at 110MBd with 15ns propagation delay, providing 11x higher bandwidth and significantly faster signal transitions. Both product families meet 2500Vrms isolation and 15kV/µs CMTI requirements. Package differences exist: IL 610A-1E uses 8-MSOP while HCPL-9000 uses 8-SMD Gull Wing, requiring PCB redesign for substitution.

Q: Are all substitute parts RoHS3 compliant?

A: IL 610A-1E, HCPL-9000-300E, and HCPL-9000-500E are ROHS3 Compliant. HCPL-9000-500 is RoHS non-compliant. Applications subject to RoHS3 regulatory requirements must use IL 610A-1E, HCPL-9000-300E, or HCPL-9000-500E.

Q: What is the inventory status of these substitute parts?

A: IL 610A-1E: 1171 Pcs New Original In Stock; HCPL-9000-300E: 1147 Pcs New Original In Stock; HCPL-9000-500: 886 Pcs New Original In Stock; HCPL-9000-500E: 906 Pcs New Original In Stock.

Q: Can HCPL-9000 variants be used in existing IL 610A-1 PCB designs without modification?

A: HCPL-9000 variants cannot be used as direct drop-in replacements due to package differences (8-SMD Gull Wing vs. 8-MSOP). PCB layout modification is required, including footprint redesign and solder reflow profile re-qualification. Electrical compatibility is confirmed for all critical parameters (isolation voltage, CMTI, supply voltage, channel configuration).

Q: What is the operating temperature range difference between IL 610A-1 and IL 610A-1E?

A: IL 610A-1 operates from -55°C ~ 125°C. IL 610A-1E operates from -40°C ~ 85°C. Applications requiring operation below -40°C or above 85°C must use alternative substitutes or retain IL 610A-1 inventory. HCPL-9000 variants maintain the full -55°C ~ 125°C range.

Q: Are there any ECCN or export control differences between these parts?

A: IL 610A-1 and IL 610A-1E are classified under ECCN 5A991A. HCPL-9000 variants are classified under ECCN EAR99. Applications subject to export control regulations should verify compliance with applicable jurisdictional requirements.

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