ACPL-331J-500E Equivalent & Substitute Parts

Part Overview

The ACPL-331J-500E is a 1.5A gate driver optical coupler manufactured by Broadcom Limited, providing 5000Vrms isolation for single-channel gate drive applications. This component is classified as Active product status and is designed for surface mount integration in 16-SOIC packages. Substitute parts are identified when equivalent isolation voltage, channel configuration, and package form factor are maintained while allowing variations in output current capacity, propagation delay, and common mode transient immunity to meet specific application requirements.

Key Parameters

Parameter	ACPL-331J-500E
Manufacturer	Broadcom Limited
Technology	Optical Coupling
Number of Channels	1
Voltage - Isolation	5000Vrms
Current - Peak Output	1.5A
Package / Case	16-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 105°C
Product Status	Active
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the ACPL-331J-500E are qualified based on the following criteria:

Fixed Parameters (Must Match):

Manufacturer: Broadcom Limited
Technology: Optical Coupling
Number of Channels: 1
Voltage - Isolation: 5000Vrms
Package / Case: 16-SOIC (0.295", 7.50mm Width)
Mounting Type: Surface Mount
Operating Temperature Range: -40°C ~ 105°C
Product Status: Active
RoHS Compliance: ROHS3 Compliant

Variable Parameters (Allowed to Differ):

Current - Peak Output (1.5A to 5.5A)
Common Mode Transient Immunity (15kV/µs to 100kV/µs)
Propagation Delay tpLH / tpHL (150ns to 300ns)
Pulse Width Distortion (50ns to 150ns)
Voltage - Output Supply (12V ~ 30V range)
Packaging format (Cut Tape & Digi-Reel® or Tape & Reel)

Parameter Comparison

Parameter	ACPL-331J-500E	ACPL-335J-500E	ACPL-339J-500E	ACPL-352J-500E
Manufacturer	Broadcom Limited	Broadcom Limited	Broadcom Limited	Broadcom Limited
Technology	Optical Coupling	Optical Coupling	Optical Coupling	Optical Coupling
Number of Channels	1	1	1	1
Voltage - Isolation	5000Vrms	5000Vrms	5000Vrms	5000Vrms
Common Mode Transient Immunity (Min)	15kV/µs	50kV/µs	25kV/µs	100kV/µs
Propagation Delay tpLH / tpHL (Max)	250ns, 250ns	250ns, 250ns	300ns, 300ns	150ns, 150ns
Pulse Width Distortion (Max)	100ns	100ns	150ns	50ns
Current - Peak Output	1.5A	2.5A	5.5A	5A
Voltage - Forward (Vf) (Typ)	1.6V	1.55V	1.55V	1.55V
Current - DC Forward (If) (Max)	25 mA	20 mA	25 mA	25 mA
Voltage - Output Supply	15V ~ 30V	12V ~ 20V	15V ~ 30V	15V ~ 30V
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Package / Case	16-SOIC (0.295", 7.50mm Width)	16-SOIC (0.295", 7.50mm Width)	16-SOIC (0.295", 7.50mm Width)	16-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Approval Agency	CSA, IEC/EN/DIN, UR	CSA, IEC/EN/DIN, UR	CSA, IEC/EN/DIN, UR	CSA, IEC/EN/DIN, UR

Engineering Selection Recommendations

All substitute parts maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with the ACPL-331J-500E. Selection between substitute options depends on application-specific requirements for output current capacity and signal timing characteristics.

The ACPL-335J-500E provides 2.5A peak output current with enhanced common mode transient immunity (50kV/µs) and includes automotive-grade qualification (AEC-Q100). Output supply voltage range is restricted to 12V ~ 20V compared to the primary part's 15V ~ 30V range.

The ACPL-339J-500E delivers 5.5A peak output current with moderate common mode transient immunity (25kV/µs) and maintains the 15V ~ 30V output supply voltage range. Propagation delay extends to 300ns maximum with pulse width distortion of 150ns maximum.

The ACPL-352J-500E offers 5A peak output current with the highest common mode transient immunity (100kV/µs) and the fastest propagation delay (150ns maximum) and lowest pulse width distortion (50ns maximum). This part maintains the 15V ~ 30V output supply voltage range and provides the most advanced timing performance among all options.

Frequently Asked Questions (FAQ)

Q: Can ACPL-335J-500E replace ACPL-331J-500E in all applications?

A: ACPL-335J-500E is a direct substitute for applications requiring 2.5A or less peak output current. The restricted output supply voltage range (12V ~ 20V versus 15V ~ 30V) must be verified against circuit design specifications. Automotive-grade qualification is an additional feature not present in the primary part.

Q: What is the primary difference between ACPL-339J-500E and ACPL-352J-500E?

A: Both parts provide higher peak output current (5.5A and 5A respectively) than the ACPL-331J-500E. The ACPL-352J-500E features superior timing performance with 150ns propagation delay and 50ns pulse width distortion, compared to ACPL-339J-500E at 300ns and 150ns respectively. ACPL-352J-500E also provides the highest common mode transient immunity at 100kV/µs.

Q: Are all substitute parts available in the same package?

A: All substitute parts use the 16-SOIC (0.295", 7.50mm Width) package. Packaging format differs: ACPL-331J-500E and ACPL-339J-500E are supplied in Cut Tape & Digi-Reel®, while ACPL-335J-500E is supplied in Tape & Reel format.

Q: Which substitute part has the lowest forward voltage drop?

A: ACPL-335J-500E, ACPL-339J-500E, and ACPL-352J-500E all feature 1.55V typical forward voltage, compared to 1.6V for ACPL-331J-500E. This represents a 0.05V reduction in forward voltage drop.

Q: Can ACPL-352J-500E be used where ACPL-331J-500E is specified?

A: ACPL-352J-500E is a direct substitute with superior electrical performance. The faster propagation delay (150ns versus 250ns) and higher common mode transient immunity (100kV/µs versus 15kV/µs) provide enhanced performance margins. Circuit timing analysis is required to confirm compatibility with application-specific timing constraints.

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