ISP847SM Equivalent & Substitute Parts

Part Overview

The ISP847SM is a quad-channel optoisolator with transistor output manufactured by Isocom Components 2004 LTD. This 16-pin DIP component provides 5300Vrms isolation voltage and is designed for DC input applications requiring galvanic isolation with transistor-based switching outputs. The part is currently active in production with 786 units in stock. Substitute parts are identified within the ISP847 series to support inventory flexibility, design revisions, and supply chain continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	ISP847SM
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
Rise / Fall Time (Typ)	4µs, 3µs
Input Type	DC
Output Type	Transistor
Voltage - Output (Max)	35V
Current - Output / Channel	50mA
Voltage - Forward (Vf) (Typ)	1.2V
Current - DC Forward (If) (Max)	50mA
Vce Saturation (Max)	200mV
Operating Temperature	-30°C ~ 100°C
Mounting Type	Through Hole
Package / Case	16-DIP (0.300", 7.62mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8541.49.8000

Substitute Part Grouping Explanation

All substitute parts within the ISP847 series maintain identical electrical and mechanical specifications as the ISP847SM. Substitution is based on the following critical parameters that remain constant across all variants:

Number of Channels: 4
Voltage - Isolation: 5300Vrms
Current Transfer Ratio: 50% (Min) to 600% (Max) @ 5mA
Rise / Fall Time: 4µs, 3µs
Output Type: Transistor
Voltage - Output (Max): 35V
Current - Output / Channel: 50mA
Vce Saturation (Max): 200mV
Operating Temperature: -30°C ~ 100°C
Package / Case: 16-DIP (0.300", 7.62mm)
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)
REACH Status: REACH Unaffected

The ISP847 series variants differ only in packaging designations and internal manufacturing codes, with no impact on functional performance or electrical characteristics.

Parameter Comparison

Parameter	ISP847SM	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
Rise / Fall Time (Typ)	4µs, 3µs	4µs, 3µs	4µs, 3µs	4µs, 3µs	4µs, 3µs	4µs, 3µs
Input Type	DC	DC	DC	DC	DC	DC
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
Voltage - Forward (Vf) (Typ)	1.2V	1.2V	1.2V	1.2V	1.2V	1.2V
Current - DC Forward (If) (Max)	50mA	50mA	50mA	50mA	50mA	50mA
Vce Saturation (Max)	200mV	200mV	200mV	200mV	200mV	200mV
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
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
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)
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 substitute parts listed are manufactured by Isocom Components 2004 LTD and maintain active product status. Each variant carries ROHS3 compliance and REACH Unaffected certification, meeting current regulatory requirements for industrial and commercial applications.

Selection among ISP847SM, ISP847X, ISP847XG, ISP847XGR, ISP847XGRG, and ISP847XGRSM is determined by inventory availability and internal manufacturing designations. No electrical or mechanical performance differentiation exists between variants. Current inventory levels are: ISP847SM (786 units), ISP847X (5680 units), ISP847XG (1149 units), ISP847XGR (927 units), ISP847XGRG (1035 units), and ISP847XGRSM (747 units).

Frequently Asked Questions (FAQ)

Q: Are all ISP847 series variants electrically identical?

A: Yes. All variants maintain identical electrical specifications including isolation voltage (5300Vrms), current transfer ratio (50% to 600% @ 5mA), output voltage (35V max), output current (50mA per channel), and operating temperature range (-30°C to 100°C). Differences in part numbers reflect internal manufacturing codes and packaging designations only.

Q: Can ISP847SM be directly replaced with ISP847X or other variants?

A: Yes. All variants use the 16-DIP (0.300", 7.62mm) package with identical pinout and electrical characteristics. Direct substitution is supported without circuit modification.

Q: Do all variants meet the same compliance standards?

A: Yes. All ISP847 series variants are ROHS3 compliant, REACH Unaffected, and carry MSL rating of 1 (Unlimited). ECCN classification (EAR99) and HTSUS code (8541.49.8000) are consistent across all variants.

Q: What determines which variant to select?

A: Selection is based on inventory availability and supply chain requirements. Since electrical and mechanical specifications are identical, any variant can be used interchangeably in applications designed for the ISP847 series.

Q: Are there any thermal or performance differences between variants?

A: No. Operating temperature range, rise/fall times (4µs, 3µs), and all electrical parameters are identical across all ISP847 series variants.

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