HCPL-260L#060 Equivalent & Substitute Parts

Part Overview

The HCPL-260L#060 is a logic output optoisolator manufactured by Broadcom Limited, designed for high-speed digital isolation applications. This 8-DIP through-hole component provides 3750Vrms isolation with open collector Schottky clamped output, supporting data rates up to 15MBd and common mode transient immunity of 10kV/µs. The part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing system support and new designs.

Key Parameters

Parameter	HCPL-260L#060
Manufacturer	Broadcom Limited
Category	Optoisolators
Number of Channels	1
Voltage - Isolation	3750Vrms
Common Mode Transient Immunity (Min)	10kV/µs
Input Type	DC
Output Type	Open Collector, Schottky Clamped
Current - Output / Channel	50 mA
Data Rate	15MBd
Propagation Delay tpLH / tpHL (Max)	75ns / 75ns
Voltage - Supply	2.7V ~ 3.6V, 4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Through Hole
Package / Case	8-DIP (0.300", 7.62mm)
Product Status	Discontinued at DiGi Electronics

Substitute Part Grouping Explanation

Substitution of the HCPL-260L#060 is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Single channel configuration (1 input, 0 side 2 inputs)
Open collector output type with Schottky clamping
DC input type
8-DIP through-hole package (0.300", 7.62mm)
50 mA output current capability
Propagation delay maximum 75ns for both tpLH and tpHL

Substitution Flexibility Parameters:

Isolation voltage: Minimum 2500Vrms acceptable (HCPL-260L#060 provides 3750Vrms)
Common mode transient immunity: Minimum 1kV/µs acceptable (HCPL-260L#060 provides 10kV/µs)
Data rate: Minimum 10MBd acceptable (HCPL-260L#060 provides 15MBd)
Operating temperature: -40°C to 85°C preferred; 0°C to 70°C acceptable for non-extended-range applications
Supply voltage: 4.5V ~ 5.5V standard; 2.7V ~ 3.6V dual-supply capability optional

Surface Mount Variants: TLP2601(LF1,F) and TLP2601(TP1,F) are functionally equivalent but require PCB redesign for 8-SMD gull wing package.

Parameter Comparison

Parameter	HCPL-260L#060	6N137F	FOD260L	HCPL2601	HCPL2611	TLP2601(F)
Manufacturer	Broadcom Limited	Toshiba	Fairchild	onsemi	onsemi	Toshiba
Number of Channels	1	1	1	1	1	1
Voltage - Isolation	3750Vrms	2500Vrms	5000Vrms	2500Vrms	2500Vrms	2500Vrms
Common Mode Transient Immunity (Min)	10kV/µs	200V/µs (500V/µs Typ)	25kV/µs	5kV/µs	10kV/µs	1kV/µs
Input Type	DC	DC	DC	DC	DC	DC
Output Type	Open Collector, Schottky Clamped	Open Collector	Open Collector, Schottky Clamped	Open Collector	Open Collector	Open Collector, Schottky Clamped
Current - Output / Channel	50 mA	50 mA	50 mA	50 mA	50 mA	25 mA
Data Rate	15MBd	10MBd	10Mbps	10Mbps	10Mbps	10MBd
Propagation Delay tpLH / tpHL (Max)	75ns / 75ns	75ns / 75ns	90ns / 75ns	75ns / 75ns	75ns / 75ns	75ns / 75ns
Voltage - Supply	2.7V ~ 3.6V, 4.5V ~ 5.5V	4.5V ~ 5.5V	3V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)
Product Status	Discontinued	Active	Active	Obsolete	Obsolete	Active
RoHS Status	Non-compliant	Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant	Compliant

Engineering Selection Recommendations

Primary Recommendation: FOD260L (Fairchild Semiconductor)

FOD260L is the optimal direct replacement for HCPL-260L#060 in through-hole applications. It exceeds isolation voltage requirements (5000Vrms vs. 3750Vrms), matches propagation delay specifications (90ns/75ns vs. 75ns/75ns), and provides superior common mode transient immunity (25kV/µs vs. 10kV/µs). Operating temperature range (-40°C to 85°C) and supply voltage compatibility (3V ~ 5.5V) align with the original part. Product status is active with 5630 units in stock.

Secondary Recommendation: TLP2601(F) (Toshiba Semiconductor)

TLP2601(F) provides active product status with Schottky clamped output matching the original design. Propagation delay (75ns/75ns) and operating temperature range (-40°C to 85°C) are identical. Output current is reduced to 25 mA, which may require circuit evaluation. Common mode transient immunity (1kV/µs) is lower than the original but acceptable for standard isolation applications. RoHS compliance is achieved. 1142 units available in 8-SMD variant; 776 units in 8-DIP through-hole variant.

Tertiary Recommendation: 6N137F (Toshiba Semiconductor)

6N137F is suitable for applications not requiring extended temperature operation. Propagation delay (75ns/75ns) matches specifications. Operating temperature is limited to 0°C ~ 70°C, restricting use in industrial or automotive environments requiring -40°C operation. Isolation voltage (2500Vrms) is reduced but acceptable for standard isolation requirements. RoHS compliant with 4060 units in stock.

Not Recommended: HCPL2601 and HCPL2611 (onsemi)

Both parts are obsolete with no active manufacturing status. While electrical parameters are compatible, obsolescence status creates long-term supply chain risk. Use only if existing inventory is available and future procurement is not required.

Frequently Asked Questions (FAQ)

Q: Can FOD260L directly replace HCPL-260L#060 without circuit modification?

A: FOD260L is pin-compatible in 8-DIP through-hole package and functionally equivalent. Propagation delay specifications are met. No circuit modification is required for standard isolation applications. Verify output current requirements; FOD260L supports 50 mA matching the original specification.

Q: What is the difference between TLP2601(F) and TLP2601(LF1,F) / TLP2601(TP1,F)?

A: TLP2601(F) is 8-DIP through-hole package. TLP2601(LF1,F) and TLP2601(TP1,F) are 8-SMD surface mount variants with identical electrical specifications. SMD variants require PCB redesign and are not pin-compatible with through-hole layouts.

Q: Why is isolation voltage higher in FOD260L (5000Vrms) compared to HCPL-260L#060 (3750Vrms)?

A: Higher isolation voltage provides additional safety margin and is not a disadvantage. Applications designed for 3750Vrms isolation operate safely with 5000Vrms components. This is a performance enhancement, not a compatibility issue.

Q: Is 6N137F suitable for automotive or industrial temperature ranges?

A: No. 6N137F operating temperature is limited to 0°C ~ 70°C. HCPL-260L#060 and recommended substitutes (FOD260L, TLP2601(F)) support -40°C ~ 85°C. For extended temperature applications, use FOD260L or TLP2601(F).

Q: What is the impact of reduced output current in TLP2601(F) (25 mA vs. 50 mA)?

A: TLP2601(F) output current is 25 mA. If the application requires 50 mA output drive capability, TLP2601(F) is not suitable. FOD260L or HCPL2601/HCPL2611 maintain 50 mA output current. Evaluate load impedance and switching requirements before selection.

Q: Are onsemi HCPL2601 and HCPL2611 available for new designs?

A: Both parts are obsolete. While inventory may be available from distributors, they are not recommended for new designs. Use active products: FOD260L, TLP2601(F), or 6N137F for long-term supply chain stability.

Q: Does RoHS compliance affect electrical performance?

A: No. RoHS compliance is a manufacturing and environmental standard, not an electrical specification. RoHS-compliant parts (6N137F, TLP2601(F), HCPL2601, HCPL2611) perform identically to non-compliant parts in electrical function.

Q: Can HCPL-260L#060 be used in new designs if inventory is available?

A: Not recommended. The part is discontinued at DiGi Electronics, indicating end-of-life status. New designs should use active products with guaranteed long-term availability: FOD260L or TLP2601(F).

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