Equivalent & Substitute Parts Reference: BZX84B15VLT116

Part Overview

The BZX84B15VLT116, manufactured by Rohm Semiconductor, is a Zener diode in the Diodes, Zener product category, featuring a nominal Zener voltage of 15 V and a maximum power dissipation of 250 mW. The device is packaged for surface mount applications (TO-236-3, SC-59, SOT-23-3/SSD3), with a ±2% voltage tolerance. The device is RoHS3 compliant, has a moisture sensitivity level of 1 (unlimited), and is available in active product status. Substitution of this Zener diode may be necessary in the event of supply constraints, availability requirements, or procurement preferences for automotive-grade or alternate packaging.

Key Parameters

Parameter	Value
Manufacturer Part Number	BZX84B15VLT116
Category	Diodes, Zener
Voltage - Zener (Nom) (Vz)	15 V
Tolerance	±2%
Power - Max	250 mW
Impedance (Max) (Zzt)	30 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 10 V
Operating Temperature	150°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3
Supplier Device Package	SSD3
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the BZX84B15VLT116 are identified strictly by matching electrical and mechanical parameters, including Zener voltage (15 V), tolerance (±2%), maximum power dissipation (250 mW), maximum impedance (30 Ohms), reverse leakage current (100 nA @ 10 V), operating temperature (150°C), surface mount capability, and package compatibility (TO-236-3, SC-59, SOT-23-3 or equivalents). All substitutes listed maintain RoHS3 compliance and MSL 1 (unlimited). Automotive qualification and grade details are included when provided.

Parameter Comparison

Parameter	BZX84B15VLT116	BZX84B15VLFHT116	BZX84B15VLYFHT116	BZX84B15VLYT116
Category	Diodes, Zener	Diodes, Zener	Diodes, Zener	Diodes, Zener
Voltage - Zener (Nom) (Vz)	15 V	15 V	15 V	15 V
Tolerance	±2%	±2%	±2%	±2%
Power - Max	250 mW	250 mW	250 mW	250 mW
Impedance (Max) (Zzt)	30 Ohms	30 Ohms	30 Ohms	30 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 10 V	100 nA @ 10 V	100 nA @ 10 V	100 nA @ 10 V
Operating Temperature	150°C (TJ)	150°C (TJ)	150°C (TJ)	150°C (TJ)
Mounting Type	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
Supplier Device Package	SSD3	SSD3	SOT-23	SOT-23
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active
Qualification	-	AEC-Q101	AEC-Q101	-
Grade	-	Automotive	Automotive	-

Engineering Selection Recommendations

All substitute part numbers listed for BZX84B15VLT116 match the primary electrical and mechanical parameters. Where an automotive grade or AEC-Q101 qualification is required, BZX84B15VLFHT116 and BZX84B15VLYFHT116 provide these certifications. All options are RoHS3 compliant, MSL 1 (unlimited), and maintain active product status. Device selection should align with the specific compliance and qualification requirements for the application environment.

Frequently Asked Questions (FAQ)

Q1: What electrical parameters must match to substitute a Zener diode in the BZX84B15VLT116 family?
Matching Zener voltage, voltage tolerance, maximum power dissipation, maximum impedance, and reverse leakage current at test voltage is essential for functionally equivalent substitution.

Q2: What packaging or mounting type considerations apply to these substitute options?
All substitutes are designed for surface mount applications and are compatible with TO-236-3, SC-59, and SOT-23-3 (or SSD3) packages.

Q3: Are all substitute parts RoHS compliant and compatible with lead-free assembly?
All alternative Rohm Semiconductor BZX84B15VLT116 variants referenced are RoHS3 compliant.

Q4: When should automotive qualified substitutes be used?
If AEC-Q101 qualification or automotive grade is required, select BZX84B15VLFHT116 or BZX84B15VLYFHT116.

Q5: Do substitutes maintain identical thermal and current ratings?
All listed alternatives maintain the same operating temperature (150°C TJ) and reverse leakage current specifications.

Q6: Are there differences in supplier device naming between the options?
Supplier device package designations (SSD3 and SOT-23) are indicated. These refer to industry-standard surface mount packages compatible with the specified mechanical outlines.

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