Equivalent & Substitute Parts Reference: BZX84C27VLFHT116

Part Overview

BZX84C27VLFHT116 is a Zener Diode from Rohm Semiconductor, classified under the Diodes, Zener category. It features a nominal Zener voltage of 27 V, a maximum power rating of 250 mW, and an impedance of 80 Ohms. The product is intended for automotive use and is qualified to AEC-Q101 standards. It is available as a surface mount component in TO-236-3, SC-59, SOT-23-3 packages, specifically SSD3, and is RoHS3 compliant.
Although the BZX84C27VLFHT116 model is active and in stock, finding parametric equivalent and substitute models may be required for reasons such as procurement continuity, packaging variations, or supply chain optimization.

Key Parameters

Parameter	Value
Manufacturer	Rohm Semiconductor
Category	Diodes, Zener
Voltage - Zener (Nom) (Vz)	27 V
Tolerance	±7.04%
Power - Max	250 mW
Impedance (Max) (Zzt)	80 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 19 V
Operating Temperature	150°C (TJ)
Grade	Automotive
Qualification	AEC-Q101
Mounting Type	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3
Supplier Device Package	SSD3
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99

Substitute Part Grouping Explanation

Substitute and equivalent parts for BZX84C27VLFHT116 are selected strictly based on matching the following key electrical and mechanical parameters:

Zener voltage (27 V)
Maximum power dissipation (250 mW)
Maximum impedance (80 Ohms)
Reverse leakage current (100 nA @ 19 V)
Operating temperature (150°C (TJ))
Automotive grade and AEC-Q101 qualification
Mounting type (Surface Mount)
Package compatibility (TO-236-3, SC-59, SOT-23-3, SSD3, SOT-23)
Compliance status (RoHS3, REACH, MSL 1)

Tolerance variation is present across substitute parts, which is explicitly listed in each part's description. All listed substitutes maintain compliance and certification parity with the main part.

Parameter Comparison

Parameter	BZX84C27VLFHT116 (Main Part)	BZX84B27VLFHT116	BZX84B27VLYFHT116	BZX84B27VLYT116	BZX84C27VLT116	BZX84C27VLYFHT116	BZX84C27VLYT116
Manufacturer	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor
Category	Diodes, Zener	Diodes, Zener	Diodes, Zener	Diodes, Zener	Diodes, Zener	Diodes, Zener	Diodes, Zener
Voltage - Zener (Nom) (Vz)	27 V	27 V	27 V	27 V	27 V	27 V	27 V
Tolerance	±7.04%	±1.85%	±1.85%	±1.85%	±7.04%	±7.04%	±7.04%
Power - Max	250 mW	250 mW	250 mW	250 mW	250 mW	250 mW	250 mW
Impedance (Max) (Zzt)	80 Ohms	80 Ohms	80 Ohms	80 Ohms	80 Ohms	80 Ohms	80 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 19 V	100 nA @ 19 V	100 nA @ 19 V	100 nA @ 19 V	100 nA @ 19 V	100 nA @ 19 V	100 nA @ 19 V
Operating Temperature	150°C (TJ)	150°C (TJ)	150°C (TJ)	150°C (TJ)	150°C (TJ)	150°C (TJ)	150°C (TJ)
Grade	Automotive	Automotive	Automotive			Automotive
Qualification	AEC-Q101	AEC-Q101	AEC-Q101			AEC-Q101
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
Supplier Device Package	SSD3	SSD3	SOT-23	SOT-23	SSD3	SOT-23	SOT-23
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99

Engineering Selection Recommendations

When selecting between BZX84C27VLFHT116 and its parametric equivalents or substitutes, ensure product status is active and that all certifications such as RoHS3 compliance, AEC-Q101 qualification, and automotive grade requirements are present if required by the application. Moisture Sensitivity Level (MSL) 1 and REACH Unaffected status are consistent across all listed parts. Package compatibility, specifically SSD3 and SOT-23 options, should be verified based on board layout or assembly needs. Always match the Zener voltage, maximum power, impedance, reverse leakage current, and operating temperature strictly as listed.

Frequently Asked Questions (FAQ)

Q1: Which electrical parameters are critical for selecting a substitute Zener diode in this category?
A1: Zener voltage (27 V), maximum power dissipation (250 mW), impedance (80 Ohms), and reverse leakage current (100 nA @ 19 V) must match.

Q2: Can I substitute a part with a different tolerance rating?
A2: Parts with tolerance ratings of ±7.04% and ±1.85% are listed. Selection depends on whether the design can accommodate the tolerance specified in the substitute part.

Q3: Are all listed substitute parts suitable for automotive applications?
A3: Parts specified as "Grade: Automotive" with "Qualification: AEC-Q101" are suitable for automotive use. Refer to the parameter table for each part's qualification status.

Q4: How do package variations affect substitute compatibility?
A4: Only select parts with compatible packages: TO-236-3, SC-59, SOT-23-3, SSD3, or SOT-23 as required by the PCB layout and automatic assembly process.

Q5: Are all substitutes compliant with RoHS3 and REACH regulatory requirements?
A5: All listed equivalents and substitutes are explicitly noted as RoHS3 compliant and REACH unaffected in the provided data.

Q6: Is current inventory status relevant for engineering selection?
A6: Inventory level is stated for each part but is not an engineering parameter. Always verify the parameter match and compliance first.

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