EL1014-VG Equivalent & Substitute Parts Reference

Part Overview

The EL1014-VG is an optoisolator with transistor output manufactured by Everlight Electronics Co Ltd. This component provides 5000Vrms isolation in a 4-SOP surface mount package, designed for DC input applications requiring galvanic isolation with transistor switching capability. The part is currently active in production with 1127 pieces in stock inventory.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across isolation voltage, channel configuration, output type, package format, and operating temperature range. Alternative models may be required due to inventory availability, lead time considerations, or specific current transfer ratio requirements for application-specific designs.

Key Parameters

Parameter	Value
Manufacturer Part Number	EL1014-VG
Manufacturer	Everlight Electronics Co Ltd
Category	Optoisolators
Number of Channels	1
Voltage - Isolation	5000Vrms
Output Type	Transistor
Input Type	DC
Voltage - Output (Max)	80V
Current - Output / Channel	50mA
Vce Saturation (Max)	300mV
Operating Temperature	-55°C ~ 110°C
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing
Supplier Device Package	4-SOP (2.54mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the EL1014-VG are qualified based on the following mandatory electrical and mechanical parameters:

Core Compatibility Criteria:

Voltage - Isolation: 5000Vrms (exact match required)
Number of Channels: 1 (exact match required)
Output Type: Transistor (exact match required)
Input Type: DC (exact match required)
Voltage - Output (Max): 80V or greater
Current - Output / Channel: 50mA or greater
Vce Saturation (Max): 300mV or less
Operating Temperature Range: Must encompass -55°C to 110°C or be compatible with application requirements
Mounting Type: Surface Mount (exact match required)
Package / Case: 4-SMD, Gull Wing (exact match required)
RoHS Status: ROHS3 Compliant (exact match required)

Variable Parameters (Application-Dependent):

Current Transfer Ratio (Min/Max): Varies by part grade; selection depends on input current and required output switching characteristics
Turn On / Turn Off Time: Varies; selection depends on switching speed requirements
Rise / Fall Time: Varies; selection depends on signal integrity requirements
Voltage - Forward (Vf): Varies; affects input LED drive current requirements

The Vishay Semiconductor Opto Division TCLT series (TCLT1000, TCLT1002, TCLT1003, TCLT1005, TCLT1006, TCLT1007, TCLT1008, TCLT1009) and VOL617A series (VOL617A-1X001T, VOL617A-2X001T) meet all core compatibility criteria. These parts differ primarily in current transfer ratio specifications and operating temperature upper limits, allowing selection based on specific circuit requirements.

Parameter Comparison

Parameter	EL1014-VG	TCLT1000	TCLT1002	TCLT1003	TCLT1005	TCLT1006	TCLT1007	TCLT1008	TCLT1009	VOL617A-1X001T	VOL617A-2X001T
Manufacturer	Everlight	Vishay	Vishay	Vishay	Vishay	Vishay	Vishay	Vishay	Vishay	Vishay	Vishay
Voltage - Isolation	5000Vrms	5000Vrms	5000Vrms	5000Vrms	5000Vrms	5000Vrms	5000Vrms	5000Vrms	5000Vrms	5000Vrms	5000Vrms
Number of Channels	1	1	1	1	1	1	1	1	1	1	1
Output Type	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor
Input Type	DC	DC	DC	DC	DC	DC	DC	DC	DC	DC	DC
Voltage - Output (Max)	80V	70V	70V	70V	70V	70V	70V	70V	70V	80V	80V
Current - Output / Channel	50mA	50mA	50mA	50mA	50mA	50mA	50mA	50mA	50mA	50mA	50mA
Current Transfer Ratio (Min)	160% @ 10mA	50% @ 5mA	63% @ 10mA	100% @ 10mA	50% @ 5mA	100% @ 5mA	80% @ 5mA	130% @ 5mA	200% @ 5mA	40% @ 5mA	63% @ 5mA
Current Transfer Ratio (Max)	320% @ 10mA	600% @ 5mA	125% @ 10mA	200% @ 10mA	150% @ 5mA	300% @ 5mA	160% @ 5mA	260% @ 5mA	400% @ 5mA	80% @ 5mA	125% @ 5mA
Turn On Time (Typ)	4µs	6µs	6µs	6µs	6µs	6µs	6µs	6µs	6µs	6µs	6µs
Turn Off Time (Typ)	3µs	5µs	5µs	5µs	5µs	5µs	5µs	5µs	5µs	5.5µs	5.5µs
Vce Saturation (Max)	300mV	300mV	300mV	300mV	300mV	300mV	300mV	300mV	300mV	400mV	400mV
Operating Temperature	-55°C ~ 110°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 110°C	-55°C ~ 110°C
Mounting Type	Surface Mount	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	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	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitutes (Recommended for Direct Replacement):

TCLT1003 and TCLT1006 provide current transfer ratio specifications closest to the EL1014-VG within the Vishay TCLT series. Both parts maintain 5000Vrms isolation, 1-channel transistor output, 50mA output current capability, and 300mV maximum Vce saturation. These parts are ROHS3 compliant and carry MSL 1 rating identical to the original part.

TCLT1003 operates across -55°C to 100°C with 100% to 200% current transfer ratio at 10mA, providing direct functional equivalence for applications not requiring the extended 110°C upper temperature limit.

TCLT1006 operates across -55°C to 100°C with 100% to 300% current transfer ratio at 5mA, offering higher current transfer ratio range for applications with lower input drive current availability.

Alternative Substitutes (Application-Specific Selection):

VOL617A-2X001T maintains the full -55°C to 110°C operating temperature range of the EL1014-VG and provides 80V maximum output voltage. This part carries 63% to 125% current transfer ratio at 5mA. The 400mV maximum Vce saturation (versus 300mV for EL1014-VG) requires circuit verification for applications with tight saturation voltage margins.

VOL617A-1X001T provides the lowest current transfer ratio range (40% to 80% at 5mA) and is suitable only for applications with high input drive current availability and relaxed output switching requirements.

Temperature-Constrained Applications:

For applications requiring operation above 100°C, only EL1014-VG, VOL617A-1X001T, and VOL617A-2X001T support the full -55°C to 110°C range. All TCLT series parts (TCLT1000, TCLT1002, TCLT1003, TCLT1005, TCLT1006, TCLT1007, TCLT1008, TCLT1009) are limited to -55°C to 100°C maximum operating temperature.

Inventory and Packaging Considerations:

TCLT1002 and TCLT1009 offer highest inventory availability (143,200 and 39,037 pieces respectively) in Cut Tape & Digi-Reel packaging. TCLT1008 provides 59,200 pieces in Tape & Reel format. These options support high-volume production requirements.

All substitute parts maintain ROHS3 compliance and MSL 1 (unlimited moisture sensitivity) rating, ensuring compatibility with standard PCB assembly processes and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can TCLT1000 directly replace EL1014-VG in all applications?

A: TCLT1000 meets core electrical and mechanical compatibility requirements (5000Vrms isolation, 1-channel transistor output, 50mA output current, 300mV Vce saturation, 4-SOP package). However, TCLT1000 operates only to 100°C maximum (versus 110°C for EL1014-VG) and provides 50% to 600% current transfer ratio at 5mA (versus 160% to 320% at 10mA for EL1014-VG). Direct replacement is valid only for applications not requiring the extended temperature range or operating within the specified current transfer ratio window.

Q: What is the difference between TCLT1003 and TCLT1006?

A: Both parts provide 5000Vrms isolation, 1-channel transistor output, and identical package/temperature specifications (-55°C to 100°C, 4-SOP). TCLT1003 specifies 100% to 200% current transfer ratio at 10mA input current. TCLT1006 specifies 100% to 300% current transfer ratio at 5mA input current. Selection depends on available input drive current: TCLT1003 requires 10mA input current for specified performance, while TCLT1006 operates at lower 5mA input current with higher current transfer ratio range.

Q: Why do VOL617A parts show 400mV Vce saturation instead of 300mV?

A: VOL617A-1X001T and VOL617A-2X001T are specified with 400mV maximum Vce saturation, compared to 300mV for EL1014-VG and all TCLT series parts. This parameter affects output voltage swing and power dissipation in the transistor. Applications with tight saturation voltage margins or high output current requirements must account for this 100mV difference in circuit design.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (TCLT1000, TCLT1002, TCLT1003, TCLT1005, TCLT1006, TCLT1007, TCLT1008, TCLT1009, VOL617A-1X001T, VOL617A-2X001T) carry ROHS3 compliance certification identical to EL1014-VG. All parts also maintain MSL 1 (unlimited) moisture sensitivity level.

Q: Which substitute part has the fastest switching speed?

A: EL1014-VG specifies 4µs turn-on time and 3µs turn-off time. All substitute parts specify 6µs turn-on time and 5µs turn-off time (or 5.5µs for VOL617A series). The EL1014-VG provides faster switching response. Applications requiring sub-5µs switching times must retain the original EL1014-VG part.

Q: Can TCLT1009 replace EL1014-VG for high-speed applications?

A: TCLT1009 provides 200% to 400% current transfer ratio at 5mA with 6µs turn-on and 5µs turn-off times. While TCLT1009 offers the highest current transfer ratio range among TCLT series parts, its switching speed (6µs/5µs) is slower than EL1014-VG (4µs/3µs). TCLT1009 is suitable for applications prioritizing high current transfer ratio over switching speed, provided the 100°C maximum operating temperature is acceptable.

Q: What packaging options are available for substitute parts?

A: TCLT1000, TCLT1005, TCLT1006, TCLT1007, TCLT1008 are supplied in Tape & Reel (TR) format. TCLT1002, TCLT1003, TCLT1009 are supplied in Cut Tape (CT) & Digi-Reel format. VOL617A-1X001T and VOL617A-2X001T are supplied in Tape & Reel format. EL1014-VG packaging format is not specified in provided data. Verify packaging compatibility with assembly equipment and procurement requirements before selection.

Q: Are there any REACH compliance differences between substitute parts?

A: TCLT series parts (TCLT1000 through TCLT1009) carry REACH Unaffected status. VOL617A series parts carry Vendor Undefined REACH status. EL1014-VG REACH status is not specified in provided data. For applications requiring confirmed REACH compliance documentation, TCLT series parts provide explicit unaffected status.

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