EL1010-VG Equivalent & Substitute Parts Reference

Part Overview

The EL1010-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 728 units in stock. Substitute parts are identified based on matching isolation voltage, package type, output configuration, and electrical performance parameters within acceptable operating ranges.

Key Parameters

Parameter	EL1010-VG Value	Unit	Substitution Relevance
Isolation Voltage	5000	Vrms	Critical - must match
Number of Channels	1	Channel	Critical - must match
Output Type	Transistor	Type	Critical - must match
Package / Case	4-SMD, Gull Wing	Package	Critical - must match
Voltage - Output (Max)	80	V	Important - substitutes must meet or exceed
Current - Output / Channel	50	mA	Important - must match
Vce Saturation (Max)	300	mV	Important - substitutes must meet or be lower
Operating Temperature Range	-55 to 110	°C	Important - substitutes must cover or exceed
Mounting Type	Surface Mount	Type	Critical - must match
RoHS Status	ROHS3 Compliant	Compliance	Important - regulatory requirement

Substitute Part Grouping Explanation

Substitute parts for the EL1010-VG are identified based on the following mandatory matching criteria:

Critical Parameters (Must Match Exactly):

Isolation voltage: 5000Vrms
Number of channels: 1
Output type: Transistor
Package configuration: 4-SMD, Gull Wing surface mount
Current output per channel: 50mA

Important Parameters (Must Meet or Exceed):

Maximum output voltage: Substitutes must support 80V or higher
Vce saturation: Substitutes must be 300mV or lower
Operating temperature range: Substitutes must cover -55°C to 110°C or provide equivalent thermal performance

Acceptable Variation Parameters:

Current Transfer Ratio (CTR): Varies by part grade; substitutes with different CTR specifications are acceptable if application requirements are met
Turn-on/turn-off times: Minor variations acceptable within microsecond range
Rise/fall times: Minor variations acceptable within microsecond range
Forward voltage (Vf): Minor variations acceptable within 0.2V range

All substitute parts listed are manufactured by Vishay Semiconductor Opto Division or Everlight Electronics, maintaining equivalent quality and reliability standards. All substitutes maintain ROHS3 compliance and MSL Level 1 moisture sensitivity rating.

Parameter Comparison

Part Number	Manufacturer	Isolation (Vrms)	Channels	Output Type	Vout Max (V)	Iout (mA)	Vce Sat Max (mV)	Temp Range (°C)	CTR Min @ Test (mA)	CTR Max @ Test (mA)	Package	Inventory (Pcs)
EL1010-VG	Everlight	5000	1	Transistor	80	50	300	-55 to 110	50% @ 5mA	600% @ 5mA	4-SOP	728
TCLT1000	Vishay	5000	1	Transistor	70	50	300	-55 to 100	50% @ 5mA	600% @ 5mA	4-SOP	7868
TCLT1002	Vishay	5000	1	Transistor	70	50	300	-55 to 100	63% @ 10mA	125% @ 10mA	4-SOP	143200
TCLT1003	Vishay	5000	1	Transistor	70	50	300	-55 to 100	100% @ 10mA	200% @ 10mA	4-SOP	48579
TCLT1005	Vishay	5000	1	Transistor	70	50	300	-55 to 100	50% @ 5mA	150% @ 5mA	4-SOP	17339
TCLT1006	Vishay	5000	1	Transistor	70	50	300	-55 to 100	100% @ 5mA	300% @ 5mA	4-SOP	30944
TCLT1007	Vishay	5000	1	Transistor	70	50	300	-55 to 100	80% @ 5mA	160% @ 5mA	4-SOP	32880
TCLT1008	Vishay	5000	1	Transistor	70	50	300	-55 to 100	130% @ 5mA	260% @ 5mA	4-SOP	59200
TCLT1009	Vishay	5000	1	Transistor	70	50	300	-55 to 100	200% @ 5mA	400% @ 5mA	4-SOP	39037
VOL617A-1X001T	Vishay	5000	1	Transistor	80	50	400	-55 to 110	40% @ 5mA	80% @ 5mA	4-SOP	2200
VOL617A-2X001T	Vishay	5000	1	Transistor	80	50	400	-55 to 110	63% @ 5mA	125% @ 5mA	4-SOP	28647

Engineering Selection Recommendations

Direct Substitutes with Full Parameter Compatibility:

TCLT1000 and TCLT1006 provide the closest electrical equivalence to EL1010-VG. Both maintain 5000Vrms isolation, 50mA output current, and 300mV Vce saturation. TCLT1006 offers higher current transfer ratio (100-300% @ 5mA) compared to TCLT1000 (50-600% @ 5mA), providing flexibility for different circuit gain requirements. Both are ROHS3 compliant with MSL Level 1 rating.

Substitutes with Output Voltage Derating:

TCLT1002, TCLT1003, TCLT1005, TCLT1007, and TCLT1009 operate at maximum output voltage of 70V versus 80V for EL1010-VG. These parts are suitable for applications where output voltage does not exceed 70V. TCLT1009 provides the highest current transfer ratio (200-400% @ 5mA), suitable for applications requiring maximum switching speed and gain.

Substitutes with Temperature Range Limitation:

All Vishay TCLT series parts (TCLT1000 through TCLT1009) operate to 100°C maximum versus 110°C for EL1010-VG. Applications requiring operation above 100°C must use EL1010-VG or VOL617A series parts.

Full Parameter Match Alternatives:

VOL617A-1X001T and VOL617A-2X001T match EL1010-VG operating temperature range (-55°C to 110°C) and maximum output voltage (80V). VOL617A-2X001T provides higher current transfer ratio (63-125% @ 5mA) than VOL617A-1X001T (40-80% @ 5mA). Vce saturation is 400mV maximum, which is higher than EL1010-VG specification of 300mV.

Inventory Availability:

TCLT1002 offers highest inventory (143,200 units), followed by TCLT1007 (32,880 units) and TCLT1008 (59,200 units). All substitute parts maintain active production status and ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can TCLT1000 directly replace EL1010-VG in all applications?

A: TCLT1000 is electrically compatible for applications where maximum output voltage does not exceed 70V and operating temperature does not exceed 100°C. EL1010-VG supports 80V output and 110°C operation. Verify application requirements before substitution.

Q: What is the difference between TCLT1006 and TCLT1008?

A: Both parts maintain identical isolation voltage, output current, and saturation voltage. TCLT1008 provides higher current transfer ratio (130-260% @ 5mA) compared to TCLT1006 (100-300% @ 5mA). Selection depends on required circuit gain and switching characteristics.

Q: Are VOL617A parts suitable replacements for EL1010-VG?

A: VOL617A-1X001T and VOL617A-2X001T match EL1010-VG temperature range and output voltage specifications. However, Vce saturation is 400mV versus 300mV for EL1010-VG. These parts are suitable if circuit design tolerates higher saturation voltage.

Q: What is the significance of Current Transfer Ratio (CTR) specifications?

A: CTR determines the ratio of output current to input current. Higher CTR indicates greater switching efficiency and faster response. EL1010-VG specifies 50-600% CTR @ 5mA. Substitute parts with different CTR grades (TCLT1002 through TCLT1009) are selected based on specific circuit requirements for gain and switching speed.

Q: Can I use TCLT1009 instead of EL1010-VG for high-speed applications?

A: TCLT1009 provides the highest current transfer ratio (200-400% @ 5mA) among Vishay substitutes, supporting faster switching. However, maximum output voltage is 70V and operating temperature is limited to 100°C. Substitution is valid only if application requirements are within these limits.

Q: What packaging options are available for these optoisolators?

A: All listed parts use 4-SOP (4-SMD, Gull Wing) surface mount package. Packaging variations include Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® options. Verify packaging format compatibility with assembly equipment before procurement.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. EL1010-VG and all listed Vishay substitute parts (TCLT series and VOL617A series) are ROHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating.

Q: What is the minimum current transfer ratio I should select?

A: Selection depends on circuit design requirements. EL1010-VG minimum CTR is 50% @ 5mA. Substitute parts range from 40% (VOL617A-1X001T) to 200% (TCLT1009). Verify circuit design specifications for minimum required gain before part selection.

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