HCPL-817-W0CE Equivalent & Substitute Parts

Part Overview

The HCPL-817-W0CE is a 5000Vrms optoisolator with transistor output manufactured by Broadcom Limited in 4-DIP through-hole packaging. This component is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production support. The part provides single-channel isolation suitable for applications requiring high voltage isolation with DC input and transistor output configuration.

Key Parameters

Parameter	Value
Manufacturer Part Number	HCPL-817-W0CE
Manufacturer	Broadcom Limited
Category	Optoisolators
Product Status	Obsolete
Number of Channels	1
Voltage - Isolation	5000Vrms
Current Transfer Ratio (Min)	200% @ 5mA
Current Transfer Ratio (Max)	400% @ 5mA
Rise / Fall Time (Typ)	4µs, 3µs
Input Type	DC
Output Type	Transistor
Voltage - Output (Max)	70V
Current - Output / Channel	50mA
Voltage - Forward (Vf) (Typ)	1.2V
Current - DC Forward (If) (Max)	50 mA
Vce Saturation (Max)	200mV
Operating Temperature	-30°C ~ 100°C
Mounting Type	Through Hole
Package / Case	4-DIP (0.400", 10.16mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the HCPL-817-W0CE is determined by the following critical parameters: single-channel configuration, isolation voltage rating (minimum 5000Vrms), transistor output type, DC input, through-hole mounting, 4-DIP package format, and compatible current transfer ratio range. The substitute parts are grouped into two categories:

Parametric Equivalent (Same Manufacturer): HCPL-817-W6CE maintains identical electrical specifications and differs only in packaging format (Tube vs. unspecified for original) and product status (Active vs. Obsolete).

Cross-Manufacturer Equivalents: ISP817 series (Isocom Components 2004 LTD) and LTV-817M (Lite-On Inc.) provide functional equivalence with isolation voltage ratings of 5300Vrms or 5000Vrms respectively, meeting or exceeding the original specification. These parts maintain the same output type, input type, channel count, and package footprint compatibility.

Parameter Comparison

Parameter	HCPL-817-W0CE	HCPL-817-W6CE	ISP817A	ISP817BX	ISP817C	ISP817CX	ISP817GB	LTV-817M
Manufacturer	Broadcom	Broadcom	Isocom	Isocom	Isocom	Isocom	Isocom	Lite-On
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active
Voltage - Isolation	5000Vrms	5000Vrms	5300Vrms	5300Vrms	5300Vrms	5300Vrms	5300Vrms	5000Vrms
Current Transfer Ratio (Min)	200% @ 5mA	200% @ 5mA	80% @ 5mA	130% @ 5mA	200% @ 5mA	300% @ 5mA	100% @ 5mA	50% @ 5mA
Current Transfer Ratio (Max)	400% @ 5mA	400% @ 5mA	160% @ 5mA	260% @ 5mA	400% @ 5mA	600% @ 5mA	600% @ 5mA	600% @ 5mA
Rise / Fall Time (Typ)	4µs, 3µs	4µs, 3µs	4µs, 3µs	4µs, 3µs	4µs, 3µs	4µs, 3µs	4µs, 3µs	4µs, 3µs
Input Type	DC	DC	DC	DC	DC	DC	DC	DC
Output Type	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor
Voltage - Output (Max)	70V	70V	80V	80V	80V	80V	80V	35V
Current - Output / Channel	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
Vce Saturation (Max)	200mV	200mV	200mV	200mV	200mV	200mV	200mV	200mV
Operating Temperature	-30°C ~ 100°C	-30°C ~ 100°C	-30°C ~ 100°C	-30°C ~ 100°C	-30°C ~ 100°C	-30°C ~ 100°C	-55°C ~ 110°C	-55°C ~ 110°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	4-DIP (0.400", 10.16mm)	4-DIP (0.400", 10.16mm)	4-DIP (0.300", 7.62mm)	4-DIP (0.300", 7.62mm)	4-DIP (0.300", 7.62mm)	4-DIP (0.300", 7.62mm)	4-DIP (0.400", 10.16mm)	4-DIP (0.400", 10.16mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitute: HCPL-817-W6CE is the direct equivalent from Broadcom Limited with active product status. This part maintains identical electrical specifications and operating temperature range, differing only in packaging format. Selection of this part eliminates any design risk associated with cross-manufacturer substitution.

Cross-Manufacturer Alternatives: The ISP817 series from Isocom Components 2004 LTD and LTV-817M from Lite-On Inc. are functionally compatible alternatives. All substitute parts maintain ROHS3 compliance and MSL Level 1 rating consistent with the original part.

Package Consideration: HCPL-817-W6CE and ISP817GB maintain the 0.400" (10.16mm) DIP spacing matching the original HCPL-817-W0CE. ISP817A, ISP817BX, ISP817C, and ISP817CX use 0.300" (7.62mm) DIP spacing, requiring PCB layout verification for pin-to-pin compatibility.

Operating Temperature Range: ISP817GB and LTV-817M extend the operating temperature range to -55°C ~ 110°C, providing broader environmental coverage compared to the original -30°C ~ 100°C specification.

Output Voltage Rating: LTV-817M specifies a maximum output voltage of 35V, which is lower than the original 70V rating. Applications requiring output voltages above 35V must use HCPL-817-W6CE, ISP817 series variants, or ISP817GB.

Frequently Asked Questions (FAQ)

Q: Can ISP817 series parts with 0.300" DIP spacing be used as direct replacements on existing PCBs designed for HCPL-817-W0CE?

A: ISP817A, ISP817BX, ISP817C, and ISP817CX use 0.300" (7.62mm) DIP spacing versus the original 0.400" (10.16mm) spacing. Direct socket substitution is not possible without PCB modification. HCPL-817-W6CE and ISP817GB maintain the 0.400" spacing and are suitable for direct replacement.

Q: What is the difference between ISP817A, ISP817BX, ISP817C, and ISP817CX?

A: These parts differ in current transfer ratio specifications. ISP817A provides 80-160% CTR, ISP817BX provides 130-260% CTR, ISP817C provides 200-400% CTR (matching the original), and ISP817CX provides 300-600% CTR. Selection depends on the required current transfer ratio for the application.

Q: Is LTV-817M suitable for applications requiring 70V output?

A: No. LTV-817M specifies a maximum output voltage of 35V, which is insufficient for applications requiring the original 70V output capability. Use HCPL-817-W6CE, ISP817GB, or ISP817 series variants instead.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL Level 1 rating, consistent with the original HCPL-817-W0CE.

Q: What is the inventory status of available substitutes?

A: HCPL-817-W6CE has 4270 units in stock. ISP817CX has 2685 units. ISP817A has 12790 units. LTV-817M has 7980 units. ISP817GB has 791 units. ISP817BX and ISP817C have 808 and 767 units respectively.

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