ISP847G Optoisolator Equivalent & Substitute Parts

Part Overview

The ISP847G is a quad-channel optoisolator with transistor output manufactured by Isocom Components 2004 LTD. This 16-DIP through-hole component provides 5300Vrms isolation voltage and is designed for DC input applications requiring galvanic isolation with transistor-based switching outputs. The part maintains active product status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified within the ISP847 series to address inventory availability, regional sourcing requirements, or specific packaging variants while maintaining identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Manufacturer	Isocom Components 2004 LTD
Category	Optoisolators
Number of Channels	4
Voltage - Isolation	5300Vrms
Current Transfer Ratio (Min)	50% @ 5mA
Current Transfer Ratio (Max)	600% @ 5mA
Output Type	Transistor
Voltage - Output (Max)	35V
Current - Output / Channel	50mA
Vce Saturation (Max)	200mV
Rise / Fall Time (Typ)	4µs, 3µs
Operating Temperature	-30°C ~ 100°C
Package / Case	16-DIP (0.300", 7.62mm)
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

All substitute parts within the ISP847 series maintain identical electrical and mechanical specifications as the ISP847G. Substitution is based on the following critical parameters that remain constant across all variants:

Isolation voltage: 5300Vrms
Channel count: 4 channels
Current transfer ratio range: 50% to 600% @ 5mA
Output type: Transistor
Maximum output voltage: 35V
Maximum output current per channel: 50mA
Package: 16-DIP (0.300", 7.62mm)
Operating temperature range: -30°C ~ 100°C
Input type: DC
Compliance: ROHS3, REACH unaffected

The ISP847 series variants (ISP847X, ISP847XG, ISP847XGR, ISP847XGRG, ISP847XGRSM) differ only in suffix designations that indicate manufacturing date codes, tape/reel configurations, or internal revision levels. These designations do not alter functional performance or electrical characteristics.

Parameter Comparison

Parameter	ISP847G	ISP847X	ISP847XG	ISP847XGR	ISP847XGRG	ISP847XGRSM
Number of Channels	4	4	4	4	4	4
Voltage - Isolation	5300Vrms	5300Vrms	5300Vrms	5300Vrms	5300Vrms	5300Vrms
Current Transfer Ratio (Min)	50% @ 5mA	50% @ 5mA	50% @ 5mA	50% @ 5mA	50% @ 5mA	50% @ 5mA
Current Transfer Ratio (Max)	600% @ 5mA	600% @ 5mA	600% @ 5mA	600% @ 5mA	600% @ 5mA	600% @ 5mA
Output Type	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor
Voltage - Output (Max)	35V	35V	35V	35V	35V	35V
Current - Output / Channel	50mA	50mA	50mA	50mA	50mA	50mA
Vce Saturation (Max)	200mV	200mV	200mV	200mV	200mV	200mV
Rise / Fall Time (Typ)	4µs, 3µs	4µs, 3µs	4µs, 3µs	4µs, 3µs	4µs, 3µs	4µs, 3µs
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
Package / Case	16-DIP (0.300", 7.62mm)	16-DIP (0.300", 7.62mm)	16-DIP (0.300", 7.62mm)	16-DIP (0.300", 7.62mm)	16-DIP (0.300", 7.62mm)	16-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
RoHS Status	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)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All ISP847 series variants listed maintain active product status and full compliance with RoHS3 and REACH regulations. Selection between ISP847G and substitute parts should be based on inventory availability and packaging configuration requirements. The electrical performance, isolation characteristics, and thermal operating range are identical across all variants. PCB layout and through-hole mounting requirements remain unchanged. No functional or performance differences exist between the main part number and substitute variants.

Frequently Asked Questions (FAQ)

Q: Can ISP847X, ISP847XG, ISP847XGR, ISP847XGRG, and ISP847XGRSM be used interchangeably with ISP847G?

A: Yes. All variants share identical electrical specifications, isolation voltage, channel configuration, output characteristics, and 16-DIP package dimensions. Direct substitution is supported without circuit modification.

Q: Do the suffix designations (X, XG, XGR, XGRG, XGRSM) affect performance?

A: No. Suffix designations indicate manufacturing date codes, tape/reel packaging options, or internal revision levels. They do not alter electrical performance, isolation voltage, current transfer ratio, output voltage/current ratings, or operating temperature range.

Q: Are all variants RoHS3 compliant?

A: Yes. All ISP847 series variants maintain ROHS3 compliance and REACH unaffected status.

Q: What is the moisture sensitivity level for these parts?

A: All variants are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.

Q: Can these parts be used in applications requiring 5300Vrms isolation?

A: Yes. All variants provide 5300Vrms isolation voltage with 4-channel transistor output configuration suitable for galvanic isolation applications.

Q: Are there any differences in current transfer ratio between variants?

A: No. All variants maintain identical current transfer ratio specifications: minimum 50% @ 5mA and maximum 600% @ 5mA.

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