HCPL-0700 Equivalent & Substitute Parts

Part Overview

The HCPL-0700 is an optoisolator with Darlington output and base connection, manufactured by Broadcom Limited. This component provides 3750Vrms isolation voltage in a single-channel configuration with 8-SOIC surface mount packaging. The part is currently active in production with 12,760 units in stock. Alternative components may be required due to packaging availability, compliance requirements, or specific application constraints.

Key Parameters

Parameter	Value
Number of Channels	1
Voltage - Isolation	3750Vrms
Current Transfer Ratio (Min)	300% @ 1.6mA
Current Transfer Ratio (Max)	2600% @ 1.6mA
Output Type	Darlington with Base
Voltage - Output (Max)	7V
Current - Output / Channel	60mA
Voltage - Forward (Vf) (Typ)	1.4V
Current - DC Forward (If) (Max)	20mA
Operating Temperature	-40°C ~ 85°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Input Type	DC

Substitute Part Grouping Explanation

Substitution eligibility for the HCPL-0700 is determined by the following critical parameters:

Isolation Voltage: Minimum 3750Vrms required
Number of Channels: Must be 1 channel
Output Type: Darlington with Base or compatible output configuration
Current Transfer Ratio: 300% minimum @ 1.6mA
Output Voltage & Current: 7V maximum, 60mA per channel
Package: 8-SOIC form factor with 0.154" width
Mounting: Surface mount technology
Input Type: DC input

Two substitute parts meet these criteria with variations in packaging, compliance status, and thermal operating range.

Parameter Comparison

Parameter	HCPL-0700	HCPL-0700-000E	SFH6318T
Manufacturer	Broadcom Limited	Broadcom Limited	Vishay Semiconductor Opto Division
Number of Channels	1	1	1
Voltage - Isolation	3750Vrms	3750Vrms	4000Vrms
Current Transfer Ratio (Min)	300% @ 1.6mA	300% @ 1.6mA	300% @ 1.6mA
Current Transfer Ratio (Max)	2600% @ 1.6mA	2600% @ 1.6mA	2600% @ 1.6mA
Turn On / Turn Off Time (Typ)	1.6µs, 10µs	200ns, 2µs	2µs, 2µs
Output Type	Darlington with Base	Darlington with Base	Transistor with Base
Voltage - Output (Max)	7V	7V	7V
Current - Output / Channel	60mA	60mA	60mA
Voltage - Forward (Vf) (Typ)	1.4V	1.4V	1.4V
Current - DC Forward (If) (Max)	20mA	20mA	20mA
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-55°C ~ 100°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging	Not specified	Tube	Tape & Reel (TR)

Engineering Selection Recommendations

HCPL-0700-000E is a parametric equivalent manufactured by Broadcom Limited with identical electrical specifications to the HCPL-0700. The primary differences are packaging format (Tube vs. unspecified) and compliance status. HCPL-0700-000E achieves ROHS3 compliance, whereas the base HCPL-0700 is RoHS non-compliant. This substitute is suitable for applications requiring RoHS compliance without thermal range expansion. Inventory availability is 2,252 units.

SFH6318T is manufactured by Vishay Semiconductor Opto Division and meets all critical electrical parameters with the following distinctions: isolation voltage is rated at 4000Vrms (exceeding the 3750Vrms requirement), operating temperature range extends to -55°C ~ 100°C (compared to -40°C ~ 85°C), and output configuration is Transistor with Base rather than Darlington with Base. This part achieves ROHS3 compliance and is supplied in Tape & Reel packaging. Inventory availability is 2,100 units.

Frequently Asked Questions (FAQ)

Q: Can HCPL-0700-000E be used as a direct replacement for HCPL-0700?

A: Yes. HCPL-0700-000E maintains identical electrical specifications including isolation voltage, current transfer ratio, output voltage and current ratings, and operating temperature range. The primary difference is RoHS3 compliance status and packaging format (Tube). Both components are manufactured by Broadcom Limited and use the same 8-SOIC package.

Q: What are the key differences between HCPL-0700 and SFH6318T?

A: SFH6318T differs in three areas: (1) Isolation voltage is 4000Vrms versus 3750Vrms, (2) Operating temperature range is -55°C ~ 100°C versus -40°C ~ 85°C, and (3) Output configuration is Transistor with Base versus Darlington with Base. All other electrical parameters including current transfer ratio, output voltage, and output current are identical. SFH6318T is manufactured by Vishay and achieves ROHS3 compliance.

Q: Are there packaging differences between these optoisolators?

A: Yes. HCPL-0700 packaging is not specified in standard documentation. HCPL-0700-000E is supplied in Tube packaging. SFH6318T is supplied in Tape & Reel (TR) format. All three components use the same 8-SOIC physical package with 0.154" width and surface mount mounting type.

Q: Which substitute should be selected for RoHS-compliant applications?

A: Both HCPL-0700-000E and SFH6318T achieve ROHS3 compliance. HCPL-0700-000E maintains identical specifications to the original part. SFH6318T provides additional benefits including higher isolation voltage rating and extended operating temperature range, at the cost of different output transistor configuration (Transistor with Base vs. Darlington with Base).

Q: What is the difference between Darlington with Base and Transistor with Base output?

A: Both configurations include a base connection for external control. The Darlington configuration (HCPL-0700, HCPL-0700-000E) uses a Darlington pair output stage, while the Transistor configuration (SFH6318T) uses a single transistor output stage. This affects switching characteristics and base drive requirements in specific circuit applications.

Q: Can SFH6318T be used in applications requiring -40°C ~ 85°C operating range?

A: Yes. SFH6318T operates across -55°C ~ 100°C, which encompasses the -40°C ~ 85°C range. The extended temperature capability of SFH6318T is a superset of the original HCPL-0700 specification.

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