HCPL-063L-500E Equivalent & Substitute Parts

Part Overview

The HCPL-063L-500E is a logic output optoisolator manufactured by Broadcom Limited, designed for high-speed digital isolation applications. This 2-channel device provides 3750Vrms isolation with open collector Schottky clamped outputs, operating at 15MBd data rate with 10kV/µs common mode transient immunity. The part is active in production status and widely used in industrial control, power management, and communication interface circuits where galvanic isolation and fast signal switching are required. Equivalent and substitute parts are identified based on matching isolation voltage, channel configuration, output type, and electrical performance parameters within acceptable tolerances.

Substiute Parts

HCPL-063L-500E

Broadcom LimitedIn Stock: 25406HCPL-063L-500E Datasheet

Current PartRFQ

HCPL062N

onsemiIn Stock: 1231HCPL062N Datasheet

MFR RecommendedRFQ

HCPL062NR2

onsemiIn Stock: 30274HCPL062NR2 Datasheet

MFR RecommendedRFQ

HCPL0637R2

onsemiIn Stock: 30921HCPL0637R2 Datasheet

MFR RecommendedRFQ

HCPL0638

onsemiIn Stock: 3752HCPL0638 Datasheet

MFR RecommendedRFQ

HCPL0638R2

onsemiIn Stock: 1666HCPL0638R2 Datasheet

MFR RecommendedRFQ

HCPL0639

onsemiIn Stock: 3173HCPL0639 Datasheet

MFR RecommendedRFQ

HCPL0639R2

onsemiIn Stock: 5126HCPL0639R2 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the HCPL-063L-500E are identified based on the following critical parameters:

Primary Matching Criteria:

• Number of channels: 2
• Voltage isolation: 3750Vrms
• Output type: Open Collector, Schottky Clamped
• Package type: 8-SOIC surface mount
• Operating temperature range: -40°C ~ 85°C
• RoHS3 compliance and MSL 1 rating

Acceptable Variation Parameters:

• Data rate: 10Mbps to 15MBd (lower rates acceptable for lower-speed applications)
• Common mode transient immunity: 5kV/µs to 25kV/µs (higher values provide enhanced performance)
• Current output per channel: 15mA to 50mA (lower values acceptable where output current requirements permit)
• Propagation delay: up to 90ns (within acceptable timing margins)
• Supply voltage: 2.7V ~ 3.3V or 4.5V ~ 5.5V (circuit-dependent selection)

Substitute Parts Identified:

• HCPL0638 and HCPL0638R2 (onsemi): 10kV/µs CMTI, 10Mbps, 15mA output
• HCPL0639 and HCPL0639R2 (onsemi): 25kV/µs CMTI, 10Mbps, 15mA output
• HCPL062N and HCPL062NR2 (onsemi): 2500Vrms isolation, 25kV/µs CMTI, 10Mbps, 15mA output
• HCPL0637R2 (onsemi): 3750Vrms isolation, 5kV/µs CMTI, 10Mbps, 15mA output

Parameter Comparison

Engineering Selection Recommendations

Direct Substitutes (Highest Compatibility):

HCPL0638 and HCPL0638R2 are direct functional equivalents to the HCPL-063L-500E. Both parts maintain 3750Vrms isolation, 2-channel configuration, open collector Schottky clamped output, and 10kV/µs CMTI. The primary difference is data rate (10Mbps versus 15MBd) and output current (15mA versus 50mA). These parts are suitable for applications where the lower data rate and reduced output current do not exceed circuit requirements. Both are ROHS3 compliant with MSL 1 rating and active product status.

HCPL0639 and HCPL0639R2 provide enhanced common mode transient immunity at 25kV/µs, beneficial for high-noise environments. All other electrical parameters match HCPL0638 specifications. These parts are recommended where superior noise immunity is required.

Conditional Substitutes:

HCPL0637R2 operates at reduced common mode transient immunity (5kV/µs) and is suitable only for applications with lower noise coupling requirements. This part maintains 3750Vrms isolation and matching propagation delay but should be selected only when CMTI performance margin is not critical.

HCPL062N and HCPL062NR2 feature reduced isolation voltage (2500Vrms) and are suitable only for applications where lower isolation voltage is acceptable. These parts offer superior CMTI (25kV/µs) and are compatible with 2.7V ~ 3.3V supply rails. Selection requires confirmation that 2500Vrms isolation meets system safety and regulatory requirements.

Packaging Considerations:

Tube packaging (HCPL0638, HCPL0639, HCPL062N) is suitable for lower-volume applications and manual assembly. Tape & Reel packaging (HCPL0638R2, HCPL0639R2, HCPL062NR2, HCPL0637R2) is optimized for automated pick-and-place assembly and higher production volumes.

All substitute parts are active products with confirmed inventory availability and ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can HCPL0638 or HCPL0639 directly replace HCPL-063L-500E in existing designs?

A: HCPL0638 and HCPL0639 are functionally compatible for applications where 10Mbps data rate and 15mA output current are sufficient. If the circuit requires 15MBd operation or 50mA output current, these parts are not suitable. Verify circuit timing margins and output load impedance before substitution.

Q: What is the difference between HCPL0638 and HCPL0639?

A: Both parts are identical except for common mode transient immunity. HCPL0638 provides 10kV/µs CMTI, matching the HCPL-063L-500E. HCPL0639 provides 25kV/µs CMTI for enhanced noise immunity in high-dV/dt environments. Select HCPL0639 for applications with significant common-mode voltage transients.

Q: Can HCPL062N substitute for HCPL-063L-500E?

A: HCPL062N is compatible only if the application accepts 2500Vrms isolation instead of 3750Vrms. This part operates on 2.7V ~ 3.3V supply rails and provides superior 25kV/µs CMTI. Confirm isolation voltage requirements against system safety standards before selection.

Q: What is the significance of the R2 suffix in part numbers?

A: The R2 suffix indicates Tape & Reel packaging format, optimized for automated assembly. Parts without R2 suffix are supplied in Tube packaging. Both formats contain identical die and electrical specifications. Selection depends on assembly process requirements.

Q: Are all substitute parts ROHS3 compliant?

A: All identified substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the HCPL-063L-500E compliance profile.

Q: What are the key parameters that determine substitutability?

A: Substitutability is determined by: isolation voltage (3750Vrms preferred, 2500Vrms conditional), channel count (2 required), output type (open collector Schottky clamped preferred), package type (8-SOIC required), and operating temperature range (-40°C ~ 85°C required). Data rate, CMTI, and output current are secondary parameters with acceptable variation ranges.