EL1017-VG Optoisolator Equivalent & Substitute Parts

Part Overview

The EL1017-VG is a 5000Vrms isolation optoisolator with transistor output manufactured by Everlight Electronics Co Ltd. This single-channel device operates in the 4-SOP (2.54mm) surface mount package and is classified as Active product status. The component provides galvanic isolation suitable for applications requiring high voltage isolation with DC input control and transistor output switching capability. Substitute parts are identified based on matching isolation voltage, package type, channel configuration, and output characteristics within the optoisolator category.

Key Parameters

Parameter	EL1017-VG
Isolation Voltage	5000Vrms
Number of Channels	1
Output Type	Transistor
Input Type	DC
Package / Case	4-SMD, Gull Wing
Supplier Device Package	4-SOP (2.54mm)
Voltage - Output (Max)	80V
Current - Output / Channel	50mA
Vce Saturation (Max)	300mV
Operating Temperature	-55°C ~ 110°C
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the EL1017-VG are qualified based on the following mandatory matching criteria:

Primary Matching Criteria:

Isolation voltage: 5000Vrms
Number of channels: 1
Output type: Transistor
Input type: DC
Package configuration: 4-SOP surface mount
Mounting type: Surface Mount

Secondary Compatibility Parameters:

Maximum output voltage: 70V or 80V
Output current per channel: 50mA
Vce saturation: 300mV or 400mV
Operating temperature range: -55°C minimum and 100°C or 110°C maximum
Current transfer ratio specifications at defined test currents

Substitute parts are grouped into two categories: Vishay Semiconductor Opto Division TCLT series (TCLT1000, TCLT1002, TCLT1003, TCLT1005, TCLT1006, TCLT1007, TCLT1008, TCLT1009) and Vishay Semiconductor Opto Division VOL617A series (VOL617A-1X001T, VOL617A-2X001T). All substitute parts maintain the core isolation voltage, channel count, output type, and package footprint compatibility with the EL1017-VG.

Parameter Comparison

Part Number	Manufacturer	Isolation Voltage	Channels	Output Type	Voltage - Output (Max)	Current - Output / Channel	Vce Saturation (Max)	Operating Temperature	Package	RoHS Status
EL1017-VG	Everlight Electronics Co Ltd	5000Vrms	1	Transistor	80V	50mA	300mV	-55°C ~ 110°C	4-SOP (2.54mm)	ROHS3 Compliant
TCLT1000	Vishay Semiconductor Opto Division	5000Vrms	1	Transistor	70V	50mA	300mV	-55°C ~ 100°C	4-SOP	ROHS3 Compliant
TCLT1002	Vishay Semiconductor Opto Division	5000Vrms	1	Transistor	70V	50mA	300mV	-55°C ~ 100°C	4-SOP	ROHS3 Compliant
TCLT1003	Vishay Semiconductor Opto Division	5000Vrms	1	Transistor	70V	50mA	300mV	-55°C ~ 100°C	4-SOP	ROHS3 Compliant
TCLT1005	Vishay Semiconductor Opto Division	5000Vrms	1	Transistor	70V	50mA	300mV	-55°C ~ 100°C	4-SOP	ROHS3 Compliant
TCLT1006	Vishay Semiconductor Opto Division	5000Vrms	1	Transistor	70V	50mA	300mV	-55°C ~ 100°C	4-SOP	ROHS3 Compliant
TCLT1007	Vishay Semiconductor Opto Division	5000Vrms	1	Transistor	70V	50mA	300mV	-55°C ~ 100°C	4-SOP	ROHS3 Compliant
TCLT1008	Vishay Semiconductor Opto Division	5000Vrms	1	Transistor	70V	50mA	300mV	-55°C ~ 100°C	4-SOP	ROHS3 Compliant
TCLT1009	Vishay Semiconductor Opto Division	5000Vrms	1	Transistor	70V	50mA	300mV	-55°C ~ 100°C	4-SOP	ROHS3 Compliant
VOL617A-1X001T	Vishay Semiconductor Opto Division	5000Vrms	1	Transistor	80V	50mA	400mV	-55°C ~ 110°C	4-SOP	ROHS3 Compliant
VOL617A-2X001T	Vishay Semiconductor Opto Division	5000Vrms	1	Transistor	80V	50mA	400mV	-55°C ~ 110°C	4-SOP	ROHS3 Compliant

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with the EL1017-VG. The TCLT series from Vishay Semiconductor Opto Division provides direct functional substitution with matching isolation voltage, channel configuration, output type, and package footprint. These parts differ in maximum output voltage (70V versus 80V) and operating temperature upper limit (100°C versus 110°C).

The VOL617A series (VOL617A-1X001T and VOL617A-2X001T) offers substitution with identical isolation voltage, channel count, output type, and package configuration. These parts maintain the 80V maximum output voltage and -55°C to 110°C operating temperature range matching the EL1017-VG. The VOL617A series exhibits higher Vce saturation (400mV maximum) compared to the EL1017-VG (300mV maximum).

Selection between TCLT and VOL617A series depends on application requirements for maximum output voltage and operating temperature range. TCLT series parts are suitable for applications operating within -55°C to 100°C. VOL617A series parts are suitable for applications requiring extended temperature operation to 110°C or maximum output voltage of 80V with higher saturation voltage tolerance.

Frequently Asked Questions (FAQ)

Q: Can TCLT1000 through TCLT1009 directly replace EL1017-VG in existing designs?

A: TCLT series parts maintain identical isolation voltage (5000Vrms), channel count (1), output type (transistor), input type (DC), and 4-SOP package configuration. Maximum output voltage differs (70V versus 80V) and operating temperature upper limit is 100°C versus 110°C. Direct replacement is possible if the application operates within -55°C to 100°C and does not require 80V output voltage capability.

Q: What is the difference between TCLT1000 and TCLT1008?

A: Both parts share identical isolation voltage, channel count, output type, package, and saturation voltage. The primary difference is current transfer ratio specification: TCLT1000 specifies 50% to 600% @ 5mA, while TCLT1008 specifies 130% to 260% @ 5mA. Turn-on/turn-off timing and rise/fall time characteristics are identical between these parts.

Q: Are VOL617A-1X001T and VOL617A-2X001T interchangeable?

A: Both VOL617A variants maintain identical isolation voltage, channel count, output type, package, maximum output voltage (80V), operating temperature range (-55°C to 110°C), and Vce saturation (400mV). The primary difference is current transfer ratio specification: VOL617A-1X001T specifies 40% to 80% @ 5mA, while VOL617A-2X001T specifies 63% to 125% @ 5mA.

Q: What packaging options are available for substitute parts?

A: TCLT series parts are supplied in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® configurations. VOL617A series parts are supplied in Tape & Reel (TR) packaging. All parts maintain identical 4-SOP surface mount package footprint and gull wing lead configuration.

Q: How do current transfer ratio specifications affect part selection?

A: Current transfer ratio defines the output current relative to input current at specified test conditions. EL1017-VG specifies 80% to 160% @ 5mA. TCLT series parts offer varying ratios from 50% to 600% depending on part number. VOL617A series parts specify 40% to 125% depending on variant. Selection depends on application requirements for input-to-output current transfer characteristics.

Q: Is the EL1017-VG suitable for applications requiring operation above 100°C?

A: EL1017-VG operates to 110°C maximum. TCLT series substitutes operate to 100°C maximum. For applications requiring 110°C operation, VOL617A-1X001T or VOL617A-2X001T are suitable alternatives maintaining the extended temperature range.

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