HCPL-M453#500 Equivalent & Substitute Parts

Part Overview

The HCPL-M453#500 is an optoisolator with transistor output manufactured by Broadcom Limited. This component provides 3750Vrms isolation voltage in a single-channel configuration with DC input and transistor output topology. The part is currently active in production status with 3003 units in stock. Alternative equivalent and substitute parts are necessary to address packaging preferences, supply chain flexibility, compliance requirements, and operational temperature range considerations across different application environments.

Key Parameters

Parameter	Value
Isolation Voltage	3750Vrms
Number of Channels	1
Current Transfer Ratio (Min)	20% @ 16mA
Current Transfer Ratio (Max)	50% @ 16mA
Turn On Time (Typ)	200ns
Turn Off Time (Typ)	600ns
Output Type	Transistor
Voltage - Output (Max)	20V
Current - Output / Channel	8mA
Voltage - Forward (Vf) (Typ)	1.5V
Current - DC Forward (If) (Max)	25mA
Operating Temperature	-55°C ~ 100°C
Mounting Type	Surface Mount
Package / Case	6-SOIC (0.173", 4.40mm Width), 5 Leads
Input Type	DC
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the HCPL-M453#500 is determined by strict equivalence across the following critical parameters:

Isolation voltage: 3750Vrms (mandatory match)
Number of channels: 1 (mandatory match)
Output type: Transistor (mandatory match)
Current transfer ratio range: 20% to 50% @ 16mA (mandatory match)
Output voltage maximum: 20V (mandatory match)
Output current per channel: 8mA (mandatory match)
Input type: DC (mandatory match)
Forward voltage (Vf): 1.5V to 1.7V (acceptable range)
Maximum forward current: 25mA (mandatory match)
Mounting type: Surface Mount (mandatory match)
Package configuration: 6-SOIC, 5 Leads (mandatory match for direct substitution)

Substitute parts are grouped into three categories:

Parametric Equivalents maintain identical electrical specifications and packaging. These parts differ only in packaging format (Cut Tape & Digi-Reel® versus Tape & Reel) and RoHS compliance status.

Upgrade Parts from onsemi (FODM series) and SHARP/Socle Technology (PC457L0 series) maintain core electrical parameters but introduce variations in turn-on/turn-off timing, forward voltage, and operating temperature ranges. These parts use alternative package designations (5-Mini-Flat, 5-MFP) while maintaining the 6-SOIC physical footprint.

Manufacturer Recommended Parts from Toshiba (TLP2309 series) provide functional equivalence with modified electrical characteristics including lower minimum current transfer ratio (15% versus 20%) and extended maximum operating temperature (110°C versus 100°C).

Parameter Comparison

Part Number	Manufacturer	Isolation Voltage	CTR Min @ 16mA	CTR Max @ 16mA	Turn On (ns)	Turn Off (ns)	Vf (Typ)	Operating Temp	Package	RoHS Status
HCPL-M453#500	Broadcom Limited	3750Vrms	20%	50%	200	600	1.5V	-55°C ~ 100°C	6-SOIC, 5L	Non-compliant
HCPL-M452-500E	Broadcom Limited	3750Vrms	20%	50%	200	600	1.5V	-55°C ~ 100°C	6-SOIC, 5L	ROHS3 Compliant
HCPL-M453-500E	Broadcom Limited	3750Vrms	20%	50%	200	600	1.5V	-55°C ~ 100°C	6-SOIC, 5L	ROHS3 Compliant
FODM452R2	onsemi	3750Vrms	20%	50%	400	350	1.6V	-40°C ~ 85°C	6-SOIC, 5L	ROHS3 Compliant
FODM452R2V	onsemi	3750Vrms	20%	50%	400	350	1.6V	-40°C ~ 85°C	6-SOIC, 5L	ROHS3 Compliant
FODM453	onsemi	3750Vrms	20%	50%	400	350	1.6V	-40°C ~ 85°C	6-SOIC, 5L	ROHS3 Compliant
FODM453R2	onsemi	3750Vrms	20%	50%	400	350	1.6V	-40°C ~ 85°C	6-SOIC, 5L	ROHS3 Compliant
FODM453R2V	onsemi	3750Vrms	20%	50%	400	350	1.6V	-40°C ~ 85°C	6-SOIC, 5L	ROHS3 Compliant
PC457L0NIP0F	SHARP/Socle Technology	3750Vrms	19%	50%	200	400	1.7V	-55°C ~ 85°C	6-SOIC, 5L	ROHS3 Compliant
PC457L0YIP0F	SHARP/Socle Technology	3750Vrms	19%	50%	200	400	1.7V	-55°C ~ 85°C	6-SOIC, 5L	RoHS Compliant
TLP2309(E)	Toshiba Semiconductor and Storage	3750Vrms	15%	Not specified	1000	1000	1.55V	-40°C ~ 110°C	6-SOIC, 5L	ROHS3 Compliant

Engineering Selection Recommendations

Direct Parametric Equivalents: HCPL-M452-500E and HCPL-M453-500E from Broadcom Limited are direct substitutes with identical electrical specifications. Both parts achieve ROHS3 compliance, addressing regulatory requirements where the original HCPL-M453#500 does not. These parts maintain the same operating temperature range (-55°C to 100°C) and timing characteristics (200ns turn-on, 600ns turn-off). Selection between these equivalents depends on packaging format availability: HCPL-M452-500E is supplied in Cut Tape & Digi-Reel® format with 1207 units in stock, while HCPL-M453-500E is supplied in Cut Tape & Digi-Reel® format with 64999 units in stock.

onsemi FODM Series: FODM452R2, FODM452R2V, FODM453, FODM453R2, and FODM453R2V maintain electrical equivalence with modified timing characteristics (400ns turn-on, 350ns turn-off versus 200ns/600ns). Forward voltage increases to 1.6V. Operating temperature range narrows to -40°C to 85°C. These parts achieve ROHS3 compliance and are available in multiple packaging formats (Cut Tape & Digi-Reel®, Tape & Reel, Tube). Selection is appropriate for applications where the narrower temperature range and modified timing are acceptable and where supply chain flexibility or packaging format preference drives the decision.

SHARP/Socle Technology PC457L0 Series: PC457L0NIP0F and PC457L0YIP0F maintain core electrical specifications with minimum current transfer ratio of 19% (versus 20%) and forward voltage of 1.7V. Turn-on timing matches the original at 200ns, but turn-off timing is 400ns (versus 600ns). Operating temperature range is -55°C to 85°C. Both parts achieve RoHS compliance. PC457L0NIP0F is supplied in Cut Tape & Digi-Reel® format with 71866 units in stock; PC457L0YIP0F is supplied in Tape & Reel format with 3069 units in stock.

Toshiba TLP2309(E): This part provides functional equivalence with modified electrical characteristics. Minimum current transfer ratio is 15% (below the 20% specification of the original part). Turn-on and turn-off times are both 1µs (significantly slower than the original 200ns/600ns). Operating temperature range extends to 110°C maximum. This part achieves ROHS3 compliance. Selection is appropriate only for applications where the lower current transfer ratio and extended timing do not impact circuit performance and where the extended upper temperature limit provides operational advantage.

Frequently Asked Questions (FAQ)

Q: Can HCPL-M452-500E and HCPL-M453-500E be used interchangeably with HCPL-M453#500?

A: Yes. Both parts maintain identical electrical specifications including isolation voltage (3750Vrms), current transfer ratio (20% to 50% @ 16mA), timing characteristics (200ns turn-on, 600ns turn-off), and operating temperature range (-55°C to 100°C). The primary difference is RoHS compliance status (ROHS3 Compliant versus non-compliant) and packaging format (Cut Tape & Digi-Reel® versus Tape & Reel). Physical package dimensions and pin configuration are identical.

Q: What are the timing implications of using onsemi FODM series parts?

A: FODM series parts exhibit slower switching characteristics: turn-on time increases from 200ns to 400ns, and turn-off time decreases from 600ns to 350ns. Applications sensitive to switching speed or propagation delay must evaluate whether these timing changes affect circuit performance. The net switching window (turn-on plus turn-off) is comparable, but the asymmetry differs from the original part.

Q: Are there temperature range limitations when substituting with onsemi FODM or Toshiba TLP2309 parts?

A: Yes. onsemi FODM series parts operate from -40°C to 85°C (versus -55°C to 100°C for the original). Toshiba TLP2309(E) operates from -40°C to 110°C. Applications requiring operation below -40°C must use Broadcom or SHARP/Socle Technology parts. Applications requiring operation above 85°C but below 100°C must use Broadcom, SHARP/Socle Technology, or Toshiba parts.

Q: What is the significance of the current transfer ratio (CTR) minimum specification?

A: Current transfer ratio defines the ratio of output current to input current. The HCPL-M453#500 specifies a minimum CTR of 20% at 16mA input current. SHARP/Socle Technology PC457L0 series parts specify 19% minimum, and Toshiba TLP2309(E) specifies 15% minimum. Lower CTR values require higher input current to achieve equivalent output current. Applications with fixed input current sources must verify that the lower CTR minimum does not result in insufficient output current for circuit operation.

Q: Can Toshiba TLP2309(E) be used as a direct replacement?

A: Toshiba TLP2309(E) provides functional equivalence but with modified electrical characteristics. The 15% minimum CTR (versus 20%) and 1µs switching times (versus 200ns/600ns) represent significant deviations. This part is suitable only for applications where these parameter changes do not impact circuit performance. The extended operating temperature range to 110°C may provide operational advantage in high-temperature environments.

Q: What packaging format differences exist among substitute parts?

A: All substitute parts maintain the 6-SOIC physical package with 5 leads. Differences exist in supplier packaging format: Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®, and Tube. These differences affect handling, storage, and automated assembly processes but do not impact electrical performance or physical compatibility on the PCB.

Q: Are all substitute parts RoHS compliant?

A: The original HCPL-M453#500 is RoHS non-compliant. All substitute parts listed achieve either ROHS3 Compliant or RoHS Compliant status. Applications subject to RoHS regulatory requirements must use substitute parts rather than the original component.

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