HCPL-2502-000E Equivalent & Substitute Parts

Part Overview

The HCPL-2502-000E is an optoisolator transistor with base output manufactured by Broadcom Limited. This component provides 3750Vrms isolation in a single-channel configuration with through-hole 8-DIP packaging. The device is currently in active production status with 2735 units in stock inventory.

Finding equivalent and substitute parts becomes necessary when addressing supply chain constraints, lead time requirements, or when integrating into designs that require alternative isolation voltage ratings or performance characteristics within the optoisolator transistor category.

Key Parameters

Parameter	Value
Manufacturer Part Number	HCPL-2502-000E
Manufacturer	Broadcom Limited
Category	Optoisolators
Number of Channels	1
Voltage - Isolation	3750Vrms
Output Type	Transistor with Base
Package / Case	8-DIP (0.300", 7.62mm)
Mounting Type	Through Hole
Operating Temperature	-55°C ~ 100°C
Product Status	Active
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the HCPL-2502-000E is determined by the following critical parameters:

Primary Compatibility Criteria:

Output type: Transistor with base configuration
Package format: 8-DIP through-hole mounting
Single-channel isolation architecture
Input type: DC
Operating temperature range: -55°C to 100°C

Secondary Compatibility Criteria:

Voltage - Output (Max): 20V
Current - Output / Channel: 8mA
Voltage - Forward (Vf): 1.45V to 1.5V typical
Current - DC Forward (If) (Max): 25mA

Substitute parts must maintain compatibility across all primary criteria. Variations in isolation voltage rating (2500Vrms to 3750Vrms), current transfer ratio performance, and switching time characteristics are permissible within the optoisolator transistor category, provided the output stage and package specifications remain unchanged.

Parameter Comparison

Parameter	HCPL-2502-000E (Main)	6N136 (Substitute)	HCPL-2502 (Equivalent)
Manufacturer	Broadcom Limited	onsemi	Broadcom Limited
Number of Channels	1	1	1
Voltage - Isolation	3750Vrms	2500Vrms	3750Vrms
Current Transfer Ratio (Min)	15% @ 16mA	19% @ 16mA	15% @ 16mA
Current Transfer Ratio (Max)	22% @ 16mA	50% @ 16mA	22% @ 16mA
Turn On / Turn Off Time (Typ)	200ns, 600ns	450ns, 500ns	200ns, 600ns
Output Type	Transistor with Base	Transistor with Base	Transistor with Base
Voltage - Output (Max)	20V	20V	20V
Current - Output / Channel	8mA	8mA	8mA
Voltage - Forward (Vf) (Typ)	1.5V	1.45V	1.5V
Current - DC Forward (If) (Max)	25mA	25mA	25mA
Operating Temperature	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C
Package / Case	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Through Hole	Through Hole
Product Status	Active	Obsolete	Active
RoHS Status	ROHS3 Compliant	Not specified	RoHS non-compliant

Engineering Selection Recommendations

HCPL-2502 (Parametric Equivalent): This part is the direct parametric equivalent to the HCPL-2502-000E, sharing identical electrical specifications and isolation voltage rating. Both are manufactured by Broadcom Limited and maintain active product status. Selection between these variants should be based on specific packaging requirements and RoHS compliance mandates for the end application. The HCPL-2502-000E carries ROHS3 compliance, while the base HCPL-2502 is RoHS non-compliant.

6N136 (MFR Recommended Substitute): The 6N136 manufactured by onsemi provides functional substitution with the following considerations: isolation voltage is reduced to 2500Vrms (compared to 3750Vrms), current transfer ratio performance is enhanced (19% to 50% range versus 15% to 22%), and switching characteristics differ (450ns/500ns versus 200ns/600ns). The 6N136 is designated as obsolete. This substitute is suitable only for applications where the lower isolation voltage rating is acceptable and where the enhanced current transfer ratio does not introduce circuit instability. Electrical interface compatibility is maintained through identical output stage configuration and package format.

Frequently Asked Questions (FAQ)

Q: Can the 6N136 directly replace the HCPL-2502-000E in existing designs?

A: Electrical interface compatibility exists due to matching output type (transistor with base), package format (8-DIP), and output stage specifications (20V max, 8mA per channel). However, the reduced isolation voltage (2500Vrms versus 3750Vrms) and different current transfer ratio range (19-50% versus 15-22%) require circuit-level evaluation. Applications requiring 3750Vrms isolation should not use the 6N136.

Q: What is the difference between HCPL-2502-000E and HCPL-2502?

A: Both parts are manufactured by Broadcom Limited with identical electrical and isolation specifications. The primary difference is RoHS compliance status: HCPL-2502-000E is ROHS3 compliant, while HCPL-2502 is RoHS non-compliant. Packaging and product status may also differ.

Q: Is the 6N136 still available for new designs?

A: The 6N136 carries obsolete product status. While inventory is available (50100 units), new design integration should prioritize active-status alternatives such as HCPL-2502-000E or HCPL-2502 to ensure long-term supply chain stability.

Q: What parameters must remain constant for substitution?

A: The following parameters must remain unchanged: output type (transistor with base), package format (8-DIP through-hole), number of channels (1), operating temperature range (-55°C to 100°C), output voltage maximum (20V), and output current per channel (8mA).

Q: Are there compliance differences between substitute options?

A: Yes. HCPL-2502-000E is ROHS3 compliant with REACH unaffected status. The 6N136 does not specify RoHS compliance. HCPL-2502 is RoHS non-compliant. Applications subject to RoHS mandates should use HCPL-2502-000E.

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