BZX584B3V6 Equivalent & Substitute Parts

Part Overview

The BZX584B3V6 is a surface mount Zener diode manufactured by Taiwan Semiconductor Corporation, rated at 3.6 V nominal Zener voltage with 150 mW maximum power dissipation. This component operates across the temperature range of -55°C to 150°C and is housed in an SOD-523F package. The part maintains Active product status and is RoHS3 compliant.

Substitute parts are identified when electrical parameters, mechanical specifications, and compliance certifications align with the original component, enabling direct replacement in circuit applications without design modification.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	3.6	V
Tolerance	±2%	—
Power - Max	150	mW
Impedance (Max)	90	Ohms
Current - Reverse Leakage @ Vr	5	µA @ 1 V
Voltage - Forward (Vf) (Max) @ If	900	mV @ 10 mA
Operating Temperature	-55 to 150	°C (TJ)
Package / Case	SC-79, SOD-523	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the BZX584B3V6 are qualified based on the following critical parameters:

Zener Voltage (Vz): 3.6 V nominal
Tolerance: ±2%
Maximum Power Dissipation: 150 mW
Impedance (Zzt): 90 Ohms maximum
Reverse Leakage Current: 5 µA @ 1 V
Forward Voltage: 900 mV @ 10 mA maximum
Operating Temperature Range: -55°C to 150°C
Package: SOD-523 / SC-79
Mounting: Surface Mount
Compliance: RoHS3 Compliant, REACH Unaffected

All identified substitutes maintain identical electrical specifications and thermal operating ranges. Packaging variations (Tape & Reel versus Cut Tape / Digi-Reel) do not affect functional equivalence but may influence procurement and assembly workflows.

Parameter Comparison

Parameter	BZX584B3V6 (Main)	BZX584B3V6 RSG (Substitute)	BZX584B3V6HE3-TP (Substitute)
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Micro Commercial Co
Voltage - Zener (Nom)	3.6 V	3.6 V	3.6 V
Tolerance	±2%	±2%	±2%
Power - Max	150 mW	150 mW	150 mW
Impedance (Max)	90 Ohms	90 Ohms	90 Ohms
Current - Reverse Leakage @ Vr	5 µA @ 1 V	5 µA @ 1 V	5 µA @ 1 V
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA	900 mV @ 10 mA	900 mV @ 10 mA
Operating Temperature	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
Package / Case	SC-79, SOD-523	SC-79, SOD-523	SC-79, SOD-523
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Packaging Format	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active

Engineering Selection Recommendations

BZX584B3V6 RSG is a parametric equivalent manufactured by Taiwan Semiconductor Corporation with identical electrical and thermal specifications. This substitute differs only in packaging format (Cut Tape & Digi-Reel versus Tape & Reel). Selection of this part is appropriate when procurement requirements favor alternative tape configurations or when inventory availability from this packaging variant is prioritized.

BZX584B3V6HE3-TP is a parametric equivalent manufactured by Micro Commercial Co with identical electrical and thermal specifications. This substitute carries AEC-Q101 automotive qualification, indicating suitability for automotive-grade applications. Selection of this part is appropriate when automotive compliance requirements are specified or when automotive-grade component traceability is required. All three parts maintain Active product status, RoHS3 compliance, and REACH unaffected status.

Frequently Asked Questions (FAQ)

Q: Can BZX584B3V6 RSG be used as a direct replacement for BZX584B3V6?

A: Yes. Both parts are manufactured by Taiwan Semiconductor Corporation and share identical electrical parameters, thermal operating range, and package specifications. The only difference is packaging format (Cut Tape & Digi-Reel versus Tape & Reel). Functional performance in the circuit is equivalent.

Q: What is the difference between BZX584B3V6HE3-TP and the other substitutes?

A: BZX584B3V6HE3-TP is manufactured by Micro Commercial Co and carries AEC-Q101 automotive qualification. Electrical and thermal specifications are identical to the main part. This qualification indicates the part meets automotive industry standards and is suitable for automotive applications.

Q: Are all three parts compatible with the same PCB footprint?

A: Yes. All three parts use the SOD-523 / SC-79 package and are surface mount components. PCB footprints and reflow soldering profiles are compatible across all three parts.

Q: Does packaging format affect electrical performance?

A: No. Packaging format (Tape & Reel, Cut Tape, or Digi-Reel) affects only procurement, storage, and assembly handling. Electrical characteristics, thermal performance, and reliability are unaffected by packaging format.

Q: Are all substitutes RoHS3 compliant?

A: Yes. BZX584B3V6, BZX584B3V6 RSG, and BZX584B3V6HE3-TP are all RoHS3 compliant and REACH unaffected.

Q: Can BZX584B3V6HE3-TP be used in non-automotive applications?

A: Yes. AEC-Q101 qualification indicates automotive-grade reliability and testing. Parts meeting automotive standards are suitable for general industrial and commercial applications as well.

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