BZX584B24-TP Equivalent & Substitute Parts

Part Overview

The BZX584B24-TP is a Zener diode manufactured by Micro Commercial Co, rated at 24 V nominal with 150 mW power dissipation and ±2% tolerance. This component is designed for surface mount applications in the SOD-523 package and is currently in active production status. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are required due to supply constraints, inventory availability, or design flexibility across qualified manufacturers.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	24	V
Tolerance	±2	%
Power - Max	150	mW
Impedance (Max)	70	Ohms
Current - Reverse Leakage @ Vr	100 nA @ 16.8 V	nA
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA	mV
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	Surface Mount	—
Package / Case	SC-79, SOD-523	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the BZX584B24-TP is determined by strict equivalence across the following electrical and mechanical parameters:

Critical Substitution Criteria:

Zener voltage: 24 V nominal
Tolerance: ±2%
Maximum power dissipation: 150 mW
Maximum impedance: 70 Ohms
Reverse leakage current: 100 nA @ 16.8 V
Forward voltage: 900 mV @ 10 mA
Operating temperature range: -55°C to 150°C
Package type: SOD-523 (SC-79)
Surface mount configuration
RoHS3 compliance
MSL rating: 1 (Unlimited)

The substitute part BZX584B24 RSG from Taiwan Semiconductor Corporation meets all specified electrical parameters and mechanical requirements. Packaging format differs (Cut Tape & Digi-Reel® versus Tape & Reel), but the component package and electrical performance remain equivalent.

Parameter Comparison

Parameter	BZX584B24-TP (Micro Commercial Co)	BZX584B24 RSG (Taiwan Semiconductor Corporation)	Match
Voltage - Zener (Nom)	24 V	24 V	Yes
Tolerance	±2%	±2%	Yes
Power - Max	150 mW	150 mW	Yes
Impedance (Max)	70 Ohms	70 Ohms	Yes
Current - Reverse Leakage @ Vr	100 nA @ 16.8 V	100 nA @ 16.8 V	Yes
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA	900 mV @ 10 mA	Yes
Operating Temperature Range	-55°C to 150°C	-55°C to 150°C	Yes
Mounting Type	Surface Mount	Surface Mount	Yes
Package / Case	SC-79, SOD-523	SC-79, SOD-523	Yes
Supplier Device Package	SOD-523	SOD-523F	Compatible
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Yes
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Yes
REACH Status	REACH Unaffected	REACH Unaffected	Yes
ECCN	EAR99	EAR99	Yes
HTSUS	8541.10.0050	8541.10.0050	Yes

Engineering Selection Recommendations

Both the BZX584B24-TP and BZX584B24 RSG are active production components with full RoHS3 compliance and REACH unaffected status. Selection between these parts is based on:

Availability and Supply Chain: The BZX584B24 RSG from Taiwan Semiconductor Corporation currently maintains higher inventory levels (8779 pcs) compared to the BZX584B24-TP (871 pcs), making it suitable for high-volume procurement requirements.

Packaging Format: The BZX584B24-TP is supplied in Tape & Reel (TR) format, while the BZX584B24 RSG is available in Cut Tape (CT) & Digi-Reel® format. Both formats are compatible with standard surface mount assembly equipment.

Regulatory Compliance: Both parts satisfy identical regulatory requirements including RoHS3, REACH, and EAR99 export classification, with matching HTSUS tariff codes.

Electrical Performance: Complete parameter equivalence across all specified electrical characteristics ensures direct functional substitution without circuit redesign or performance degradation.

Frequently Asked Questions (FAQ)

Q: Can BZX584B24 RSG be used as a direct replacement for BZX584B24-TP in existing designs?

A: Yes. All electrical parameters, operating temperature range, and package specifications are identical. The component functions identically in circuit applications.

Q: What is the difference between SOD-523 and SOD-523F package designations?

A: Both designations refer to the same physical package form factor (SC-79). The "F" suffix in SOD-523F indicates a specific supplier variant designation but does not alter mechanical or electrical compatibility.

Q: Are there any differences in RoHS or environmental compliance between these parts?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry identical EAR99 export classification and HTSUS codes.

Q: Does the packaging format (Tape & Reel versus Cut Tape & Digi-Reel) affect component performance?

A: No. Packaging format affects only supply chain logistics and assembly line handling. Electrical performance and reliability are unaffected by packaging format.

Q: What are the critical parameters that must match for substitution?

A: Zener voltage (24 V), tolerance (±2%), power rating (150 mW), impedance (70 Ohms), reverse leakage (100 nA @ 16.8 V), forward voltage (900 mV @ 10 mA), operating temperature range (-55°C to 150°C), and SOD-523 package type must all match exactly.

Q: Can these parts be used in applications requiring extended temperature operation?

A: Both parts are rated for -55°C to 150°C junction temperature operation, supporting applications across this full range.

Q: Is moisture sensitivity a concern for storage or handling?

A: No. Both parts carry MSL rating 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.

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