VO615A-X007T Equivalent & Substitute Parts

Part Overview

The VO615A-X007T is an optoisolator with transistor output manufactured by Vishay Semiconductor Opto Division. This single-channel device provides 5000Vrms isolation with a 4-SMD surface mount package in Tape & Reel configuration. The component is Active status and ROHS3 compliant. Substitute parts are identified when inventory constraints, lead time requirements, or design flexibility necessitate alternative sourcing while maintaining electrical and mechanical compatibility within specified parameter ranges.

Key Parameters

Parameter	Value
Manufacturer Part Number	VO615A-X007T
Manufacturer	Vishay Semiconductor Opto Division
Category	Optoisolators
Number of Channels	1
Voltage - Isolation	5000Vrms
Output Type	Transistor
Voltage - Output (Max)	70V
Current - Output / Channel	50mA
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing
Operating Temperature	-55°C ~ 110°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the VO615A-X007T are grouped based on the following allowed electrical and mechanical parameters:

Critical Matching Parameters:

Number of Channels: 1
Output Type: Transistor
Voltage - Output (Max): 70V
Current - Output / Channel: 50mA
Mounting Type: Surface Mount
Package / Case: 4-SMD, Gull Wing
Input Type: DC

Isolation Voltage Tolerance: Substitute parts must maintain isolation voltage at or above 5000Vrms. Parts with higher isolation ratings (5300Vrms or greater) are acceptable as they provide equal or superior performance in this parameter.

Current Transfer Ratio: Substitute parts may have different Current Transfer Ratio ranges provided they operate within the specified test conditions and maintain transistor output functionality.

Thermal Performance: Operating temperature ranges may vary. Substitutes with narrower ranges (-30°C ~ 100°C) are acceptable for applications within those bounds.

Compliance: All substitute parts must maintain ROHS3 compliance and MSL 1 rating to ensure compatibility with manufacturing and storage requirements.

Parameter Comparison

Parameter	VO615A-X007T	VO615A-X009T	VO615A-X017T	SFH615A-2XSMT&R	SFH615A-3XSMT&R	SFH615A-4XSMT&R	SFH617A-3XSMT&R
Manufacturer	Vishay	Vishay	Vishay	Isocom	Isocom	Isocom	Isocom
Number of Channels	1	1	1	1	1	1	1
Voltage - Isolation	5000Vrms	5000Vrms	5000Vrms	5300Vrms	5300Vrms	5300Vrms	7.5Vpk
Current Transfer Ratio (Min)	50% @ 5mA	50% @ 5mA	50% @ 5mA	63% @ 10mA	100% @ 10mA	160% @ 10mA	100% @ 10mA
Current Transfer Ratio (Max)	600% @ 5mA	600% @ 5mA	600% @ 5mA	125% @ 10mA	200% @ 10mA	320% @ 10mA	200% @ 10mA
Turn On / Turn Off Time (Typ)	6µs, 5µs	6µs, 5µs	6µs, 5µs	4.2µs, 23µs	4.2µs, 23µs	6µs, 25µs	—
Rise / Fall Time (Typ)	3µs, 4.7µs	3µs, 4.7µs	3µs, 4.7µs	3µs, 14µs	3µs, 14µs	4.6µs, 15µs	4µs, 3µs
Output Type	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor
Voltage - Output (Max)	70V	70V	70V	70V	70V	70V	70V
Current - Output / Channel	50mA	50mA	50mA	50mA	50mA	50mA	50mA
Voltage - Forward (Vf) (Typ)	1.43V	1.43V	1.43V	1.65V (Max)	1.65V (Max)	1.65V (Max)	1.65V (Max)
Current - DC Forward (If) (Max)	60mA	60mA	60mA	50mA	50mA	50mA	50mA
Vce Saturation (Max)	300mV	300mV	300mV	400mV	400mV	400mV	400mV
Operating Temperature	-55°C ~ 110°C	-55°C ~ 110°C	-55°C ~ 110°C	-30°C ~ 100°C	-30°C ~ 100°C	-30°C ~ 100°C	-30°C ~ 100°C
Mounting Type	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
RoHS Status	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)

Engineering Selection Recommendations

Vishay VO615A Series (VO615A-X009T, VO615A-X017T): These parts are parametric equivalents to the VO615A-X007T, maintaining identical electrical specifications and isolation voltage. Both are Active status, ROHS3 compliant, and suitable for direct substitution. Selection between these variants depends on inventory availability and Current Transfer Ratio requirements at specified test conditions.

Isocom SFH615A Series (SFH615A-2XSMT&R, SFH615A-3XSMT&R, SFH615A-4XSMT&R): These parts provide higher isolation voltage (5300Vrms) and are manufacturer-recommended alternatives. All maintain the required 70V maximum output voltage and 50mA output current. Operating temperature range is narrower (-30°C ~ 100°C). Vce Saturation is higher at 400mV maximum compared to 300mV for the VO615A series. These parts are Active status and ROHS3 compliant. Selection among the three variants depends on Current Transfer Ratio requirements: SFH615A-2XSMT&R (63-125%), SFH615A-3XSMT&R (100-200%), or SFH615A-4XSMT&R (160-320%).

Isocom SFH617A-3XSMT&R: This part differs significantly in isolation voltage specification (7.5Vpk versus 5000Vrms) and is not recommended as a direct substitute for applications requiring 5000Vrms isolation. It is included in the substitute list but requires application-specific evaluation.

Frequently Asked Questions (FAQ)

Q: Can VO615A-X009T and VO615A-X017T be used interchangeably with VO615A-X007T?

A: Yes. Both parts are parametric equivalents with identical isolation voltage (5000Vrms), output voltage (70V), output current (50mA), and package specifications (4-SMD, Gull Wing). Operating temperature range, RoHS compliance, and MSL rating are identical. Selection depends on Current Transfer Ratio requirements and inventory availability.

Q: What are the key differences between Vishay VO615A and Isocom SFH615A series?

A: The primary differences are: (1) Isolation voltage is higher for SFH615A (5300Vrms vs. 5000Vrms); (2) Operating temperature range is narrower for SFH615A (-30°C ~ 100°C vs. -55°C ~ 110°C); (3) Vce Saturation is higher for SFH615A (400mV vs. 300mV); (4) Current Transfer Ratio test conditions differ (10mA for SFH615A vs. 5mA for VO615A). All other critical parameters including output voltage, output current, and package type are identical.

Q: Which SFH615A variant should I select?

A: Selection depends on the required Current Transfer Ratio for your application: SFH615A-2XSMT&R provides 63-125%, SFH615A-3XSMT&R provides 100-200%, and SFH615A-4XSMT&R provides 160-320%. All three maintain identical isolation voltage, output specifications, and package configuration.

Q: Is SFH617A-3XSMT&R a suitable substitute?

A: SFH617A-3XSMT&R has a significantly different isolation voltage specification (7.5Vpk) compared to the VO615A-X007T (5000Vrms). This part is not suitable for applications requiring 5000Vrms isolation and requires application-specific evaluation before use.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) rating, ensuring compatibility with standard manufacturing and storage requirements.

Q: What is the impact of different operating temperature ranges?

A: The VO615A-X007T operates from -55°C to 110°C, while Isocom SFH615A and SFH617A series operate from -30°C to 100°C. For applications requiring operation below -30°C or above 100°C, the VO615A series is required. For applications within -30°C to 100°C, both series are suitable.

Q: Can I substitute based on Current Transfer Ratio alone?

A: No. Current Transfer Ratio is one parameter among many. All critical parameters must be verified: isolation voltage, output voltage maximum, output current, package type, mounting method, and operating temperature range. The VO615A and SFH615A series differ in isolation voltage, Vce Saturation, and operating temperature, requiring full parameter review before substitution.

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