1N6002C Equivalent & Substitute Zener Diode Reference

Part Overview

The 1N6002C is a through-hole Zener diode from Microchip Technology, specified for 12 V nominal Zener voltage, 500 mW maximum power dissipation, and ±2% voltage tolerance in a DO-35 (DO-204AH) axial package. The product is active and serves applications requiring voltage regulation and over-voltage protection. Due to factors such as sourcing preference, inventory limitations, or compliance requirements, it is often necessary to identify equivalent or substitute diode models with matching electrical and mechanical characteristics.

Key Parameters

Parameter	1N6002C Value
Voltage - Zener (Nom) (Vz)	12 V
Tolerance	±2%
Power - Max	500 mW
Impedance (Max) (Zzt)	22 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 9.1 V
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 200 mA
Operating Temperature	-65°C ~ 175°C
Mounting Type	Through Hole
Package / Case	DO-204AH, DO-35, Axial
Supplier Device Package	DO-35
RoHS Status	RoHS non-compliant
MSL (Moisture Sensitivity Level)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
Inventory	897 Pcs
Product Status	Active

Substitute Part Grouping Explanation

Substitute Zener diodes for the 1N6002C are grouped strictly according to identical or compatible key electrical and mechanical parameters. The core parameters used for substitution are:

Zener Voltage (Nom)
Power Rating
Package/Mechanical Form Factor
Operating Temperature Range
Maximum Reverse Leakage Current
Voltage Tolerance
Impedance (Zzt)
Mounting Type
Compliance and status fields (RoHS, REACH, MSL)
Only those models matching these critical criteria are suitable for substitution in equivalent electronic circuits.

Parameter Comparison

Parameter	1N6002C Microchip Technology	1N5242B Microchip Technology	1N5242BTR Fairchild Semiconductor	TZX12B-TAP Vishay G.S.
Voltage - Zener (Nom) (Vz)	12 V	12 V	12 V	12 V
Tolerance	±2%	±5%	±5%	-
Power - Max	500 mW	500 mW	500 mW	500 mW
Impedance (Max) (Zzt)	22 Ω	30 Ω	30 Ω	35 Ω
Current - Reverse Leakage @ Vr	100 nA @ 9.1 V	1 µA @ 9.1 V	1 µA @ 9.1 V	1 µA @ 9.5 V
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 200 mA	1.5 V @ 200 mA	1.2 V @ 200 mA	1.5 V @ 200 mA
Operating Temperature	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 200°C	-65°C ~ 175°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial
Supplier Device Package	DO-35	DO-35	DO-35	DO-204AH (DO-35)
RoHS Status	RoHS non-compliant	RoHS non-compliant	-	ROHS3 Compliant
MSL (Moisture Sensitivity Level)	1 (Unlimited)	1 (Unlimited)	-	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	-	REACH Unaffected
ECCN	EAR99	EAR99	EAR99	EAR99
Inventory	897	5554	50300	10200
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

Only parts with “Active” product status are listed for substitution. RoHS compliance varies: 1N6002C and 1N5242B are RoHS non-compliant, while TZX12B-TAP is ROHS3 Compliant. All substitutes provided have REACH Unaffected status where specified and share identical ECCN categorization. Moisture Sensitivity Level is 1 (Unlimited) where available, permitting unrestricted storage and handling. Selection may be guided by compliance requirements and entry for environmental or regulatory restrictions.

Frequently Asked Questions (FAQ)

Q1. What criteria are used to determine Zener diode equivalents for the 1N6002C?
Equivalent Zener diodes are selected strictly based on matching values for Zener voltage (12 V), power handling (500 mW), package type (DO-35 axial), mounting method (through-hole), and compatible operating temperature ranges. Additional considerations include impedance, maximum reverse leakage current, and voltage tolerance.

Q2. Are there differences in tolerance or electrical characteristics among substitute parts?
Tolerance differs: the 1N6002C specifies ±2%, while 1N5242B and 1N5242BTR list ±5%. Impedance and forward voltage ratings also differ; selection is based on matching or acceptable variations of key parameters.

Q3. Is package compatibility ensured for these substitutes?
All listed substitute diodes use the DO-204AH (DO-35, axial) package, identical to the 1N6002C, ensuring full mechanical compatibility for through-hole PCB assembly.

Q4. How do compliance and environmental certifications affect selection?
RoHS status varies: some substitutes (such as TZX12B-TAP) are ROHS3 Compliant, which may be required for certain end products. MSL and REACH status are consistent where specified, allowing for unrestricted use and handling.

Q5. What is the significance of "Product Status" for substitute diodes?
Only “Active” status parts are included, ensuring ongoing manufacturer support and availability in the market.

Q6. Are there differences in reverse leakage, forward voltage, or temperature ratings?
Reverse leakage current and forward voltage vary between substitutes. Detailed parameter comparison is shown above, with exact values for each part to support precise engineering selection.

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