HCPL-817-36BE Equivalent & Substitute Parts

Part Overview

The HCPL-817-36BE is a single-channel optoisolator with transistor output manufactured by Broadcom Limited. This component provides 5000Vrms isolation and is designed for DC input applications requiring galvanic isolation in 4-SMD surface mount packaging. The part is active and in production with 726 units currently in stock.

Equivalent and substitute parts are identified based on matching isolation voltage, channel configuration, output type, and electrical performance parameters. Alternative models may be required due to supply constraints, packaging preferences, or specific application requirements within the allowed electrical and mechanical specifications.

Key Parameters

Parameter	Value
Manufacturer Part Number	HCPL-817-36BE
Manufacturer	Broadcom Limited
Category	Optoisolators
Number of Channels	1
Voltage - Isolation	5000Vrms
Current Transfer Ratio (Min)	130% @ 5mA
Current Transfer Ratio (Max)	260% @ 5mA
Output Type	Transistor
Voltage - Output (Max)	70V
Current - Output / Channel	50mA
Vce Saturation (Max)	200mV
Operating Temperature	-30°C ~ 100°C
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the HCPL-817-36BE are grouped based on the following substitution criteria:

Primary Matching Parameters:

Number of Channels: 1
Voltage - Isolation: 5000Vrms or higher
Output Type: Transistor
Current - Output / Channel: 50mA
Mounting Type: Surface Mount
Package / Case: 4-SMD, Gull Wing
Input Type: DC

Secondary Compatibility Parameters:

Vce Saturation (Max): 200mV or lower
Voltage - Forward (Vf) (Typ): 1.2V
Current - DC Forward (If) (Max): 50mA
RoHS Status: ROHS3 Compliant

Substitutes are classified as Upgrade (direct functional replacement with equivalent or superior specifications) or MFR Recommended (manufacturer-approved alternatives with compatible electrical characteristics).

Parameter Comparison

Parameter	HCPL-817-36BE	LTV-817S	LTV-817S-TA	LTV-817S-TA1	ISP817XSM	LTV-816S	LTV-816S-TA1	LTV-817S-A	LTV-817S-TA1-D	SFH6156-1
Manufacturer	Broadcom Limited	Lite-On Inc.	Lite-On Inc.	Lite-On Inc.	Isocom Components	Lite-On Inc.	Lite-On Inc.	Lite-On Inc.	Lite-On Inc.	Vishay Semiconductor Opto Division
Number of Channels	1	1	1	1	1	1	1	1	1	1
Voltage - Isolation	5000Vrms	5000Vrms	5000Vrms	5000Vrms	5300Vrms	5000Vrms	5000Vrms	5000Vrms	5000Vrms	5300Vrms
Current Transfer Ratio (Min)	130% @ 5mA	50% @ 5mA	50% @ 5mA	50% @ 5mA	50% @ 5mA	50% @ 5mA	50% @ 5mA	80% @ 5mA	300% @ 5mA	40% @ 10mA
Current Transfer Ratio (Max)	260% @ 5mA	600% @ 5mA	600% @ 5mA	600% @ 5mA	600% @ 5mA	600% @ 5mA	600% @ 5mA	160% @ 5mA	600% @ 5mA	80% @ 10mA
Output Type	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor
Voltage - Output (Max)	70V	35V	35V	35V	80V	80V	80V	35V	35V	70V
Current - Output / Channel	50mA	50mA	50mA	50mA	50mA	50mA	50mA	50mA	50mA	50mA
Voltage - Forward (Vf) (Typ)	1.2V	1.2V	1.2V	1.2V	1.2V	1.2V	1.2V	1.2V	1.2V	1.25V
Current - DC Forward (If) (Max)	50mA	50mA	50mA	50mA	50mA	50mA	50mA	50mA	50mA	60mA
Vce Saturation (Max)	200mV	200mV	200mV	200mV	200mV	200mV	200mV	200mV	200mV	400mV
Operating Temperature	-30°C ~ 100°C	-55°C ~ 110°C	-55°C ~ 110°C	-55°C ~ 110°C	-30°C ~ 100°C	-50°C ~ 110°C	-50°C ~ 110°C	-55°C ~ 110°C	-55°C ~ 110°C	-55°C ~ 100°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain active product status and ROHS3 compliance, ensuring continued availability and regulatory conformance. Selection among substitutes depends on specific application requirements within the defined electrical and mechanical parameters.

Lite-On LTV-817 Series (LTV-817S, LTV-817S-TA, LTV-817S-TA1, LTV-817S-A, LTV-817S-TA1-D): These parts share 5000Vrms isolation and 4-SMD packaging with the HCPL-817-36BE. Variants differ in packaging format (Tube, Tape & Reel, Cut Tape) and current transfer ratio specifications. The LTV-817S-TA1-D offers the highest current transfer ratio range (300-600% @ 5mA) with extended temperature range (-55°C to 110°C). Maximum output voltage is limited to 35V compared to the original 70V specification.

Lite-On LTV-816 Series (LTV-816S, LTV-816S-TA1): These parts provide 5000Vrms isolation with maximum output voltage of 80V, matching the original part's voltage capability. Operating temperature range extends to -50°C minimum. Current transfer ratio range is 50-600% @ 5mA.

Isocom ISP817XSM: Provides 5300Vrms isolation with 80V maximum output voltage. Current transfer ratio is 50-600% @ 5mA. Operating temperature matches the original specification (-30°C to 100°C).

Vishay SFH6156-1: Offers 5300Vrms isolation and 70V maximum output voltage. Current transfer ratio is specified at 10mA test current (40-80%) rather than 5mA. Vce saturation is 400mV, exceeding the 200mV specification of the original part. Operating temperature range is -55°C to 100°C.

Frequently Asked Questions (FAQ)

Q: Can LTV-817S series parts directly replace HCPL-817-36BE in all applications?

A: LTV-817S variants are electrically compatible for isolation voltage, channel count, output type, and current rating. However, maximum output voltage is 35V versus 70V for the original part. Applications requiring output voltages above 35V must use LTV-816S, ISP817XSM, or SFH6156-1 instead.

Q: What is the difference between LTV-817S packaging options?

A: LTV-817S (Tube), LTV-817S-TA (Tape & Reel), and LTV-817S-TA1 (Cut Tape & Digi-Reel) are identical electrically. Packaging selection depends on assembly process requirements and order quantities. Tube packaging is suitable for lower volumes, while Tape & Reel and Cut Tape formats support automated pick-and-place assembly.

Q: Why does SFH6156-1 have different current transfer ratio test conditions?

A: SFH6156-1 specifies current transfer ratio at 10mA input current (40-80%) while HCPL-817-36BE and most alternatives specify at 5mA. This represents a different characterization point and does not indicate incompatibility. Application circuits must account for the specified test conditions when selecting components.

Q: Is LTV-817S-TA1-D suitable for high current transfer ratio applications?

A: LTV-817S-TA1-D provides the highest current transfer ratio range (300-600% @ 5mA) among all listed substitutes. This part is suitable for applications requiring maximum optical coupling efficiency. Extended temperature range (-55°C to 110°C) provides additional operational margin.

Q: Can parts with higher isolation voltage ratings be used as substitutes?

A: Yes. ISP817XSM (5300Vrms) and SFH6156-1 (5300Vrms) exceed the 5000Vrms isolation specification of HCPL-817-36BE. Higher isolation voltage ratings are compatible and provide additional safety margin in galvanic isolation applications.

Q: What are the thermal operating range considerations for substitution?

A: HCPL-817-36BE operates from -30°C to 100°C. Most Lite-On LTV-817 variants extend the minimum temperature to -55°C. Applications operating below -30°C require LTV-817S series, LTV-816S series, or SFH6156-1. Applications above 100°C are limited to parts rated to 110°C (LTV-817 and LTV-816 series).

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