ACPL-827-50CE Equivalent & Substitute Parts

Part Overview

The ACPL-827-50CE is an optoisolator with transistor output manufactured by Broadcom Limited. This 2-channel device provides 5000Vrms isolation and is designed for applications requiring galvanic isolation in signal transmission. The part is currently in active production status with 9135 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters align with the main device specifications, enabling direct replacement in compatible applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	ACPL-827-50CE
Manufacturer	Broadcom Limited
Category	Optoisolators
Number of Channels	2
Voltage - Isolation	5000Vrms
Current Transfer Ratio (Min)	200% @ 5mA
Current Transfer Ratio (Max)	400% @ 5mA
Output Type	Transistor
Voltage - Output (Max)	70V
Current - Output / Channel	50mA
Rise / Fall Time (Typ)	4µs, 3µs
Operating Temperature	-30°C ~ 100°C
Package / Case	8-SMD, Gull Wing
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the ACPL-827-50CE are qualified based on the following critical parameters:

Isolation Voltage: 5000Vrms (exact match required)
Number of Channels: 2 channels (exact match required)
Output Type: Transistor output (exact match required)
Package / Case: 8-SMD, Gull Wing (exact match required)
Mounting Type: Surface Mount (exact match required)
Current - Output / Channel: 50mA (exact match required)
Input Type: DC (exact match required)

The identified substitutes LTV-827S and LTV-827S-TA1 from Lite-On Inc. meet all critical electrical and mechanical parameters. Both devices maintain the same isolation voltage, channel count, output configuration, and package specifications. Differences in Current Transfer Ratio ranges and maximum output voltage do not prevent substitution when the application requirements fall within the substitute part specifications.

Parameter Comparison

Parameter	ACPL-827-50CE	LTV-827S	LTV-827S-TA1
Manufacturer	Broadcom Limited	Lite-On Inc.	Lite-On Inc.
Number of Channels	2	2	2
Voltage - Isolation	5000Vrms	5000Vrms	5000Vrms
Current Transfer Ratio (Min)	200% @ 5mA	50% @ 5mA	50% @ 5mA
Current Transfer Ratio (Max)	400% @ 5mA	600% @ 5mA	600% @ 5mA
Output Type	Transistor	Transistor	Transistor
Voltage - Output (Max)	70V	35V	35V
Current - Output / Channel	50mA	50mA	50mA
Rise / Fall Time (Typ)	4µs, 3µs	4µs, 3µs	4µs, 3µs
Operating Temperature	-30°C ~ 100°C	-30°C ~ 110°C	-30°C ~ 110°C
Package / Case	8-SMD, Gull Wing	8-SMD, Gull Wing	8-SMD, Gull Wing
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active
Packaging	Tape & Reel (TR)	Tube	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

Both LTV-827S and LTV-827S-TA1 are qualified substitutes for the ACPL-827-50CE based on matching critical electrical and mechanical specifications. All three parts maintain active product status and ROHS3 compliance.

Selection between the main part and substitutes should be based on:

Availability: LTV-827S (2000 units) and LTV-827S-TA1 (2200 units) provide alternative sourcing when ACPL-827-50CE stock is constrained
Packaging Requirements: ACPL-827-50CE is supplied in Tape & Reel format; LTV-827S is supplied in Tube; LTV-827S-TA1 is supplied in Cut Tape & Digi-Reel format
Application Voltage Limits: Applications requiring output voltages above 35V must use ACPL-827-50CE (70V maximum). Applications operating at 35V or below are compatible with either substitute
Temperature Range: LTV-827S and LTV-827S-TA1 support extended upper operating temperature to 110°C compared to ACPL-827-50CE at 100°C

Frequently Asked Questions (FAQ)

Q: Can LTV-827S or LTV-827S-TA1 replace ACPL-827-50CE in all applications?

A: Substitution is valid when the application operates within the electrical specifications of the substitute part. The primary constraint is maximum output voltage: if the circuit requires output voltages exceeding 35V, only ACPL-827-50CE is suitable. For applications at 35V or below, both substitutes are electrically compatible.

Q: What is the difference between LTV-827S and LTV-827S-TA1?

A: Both parts are electrically identical. The difference is packaging format: LTV-827S is supplied in Tube packaging, while LTV-827S-TA1 is supplied in Cut Tape & Digi-Reel format. Selection depends on assembly line requirements and tape feeder compatibility.

Q: Are there any compliance differences between the main part and substitutes?

A: No. All three parts are ROHS3 compliant, REACH unaffected, and carry the same ECCN and HTSUS classifications.

Q: What is the impact of different Current Transfer Ratio ranges?

A: The ACPL-827-50CE specifies 200-400% CTR, while substitutes specify 50-600% CTR. The substitute parts have a wider tolerance band. Applications designed for the ACPL-827-50CE CTR range will operate within the substitute specifications. Verify that circuit design does not depend on the narrower CTR tolerance of the original part.

Q: Can I use these parts interchangeably in PCB assembly?

A: Yes, all three parts use identical 8-SMD Gull Wing packages and surface mount configuration. No PCB layout changes are required for substitution.

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