1N4102-1 Equivalent & Substitute Parts Reference

Part Overview

The 1N4102-1 is an active Zener diode from Microchip Technology, designed with a nominal Zener voltage of 8.7 V and a maximum power dissipation of 500 mW. Packaged in a DO-35 (DO-204AH) axial through-hole format, it features a ±5% voltage tolerance and is suitable for a range of voltage regulation and protection applications. Identifying substitute or equivalent parts is necessary for maintaining inventory flexibility, ensuring continuity in designs, and addressing requirements for compliance or alternate sourcing where product status, specifications, or certifications are critical.

Key Parameters

Parameter	1N4102-1 Value
Voltage - Zener (Nom) (Vz)	8.7 V
Tolerance	±5%
Power - Max	500 mW
Impedance (Max) (Zzt)	200 Ohms
Current - Reverse Leakage @ Vr	500 nA @ 6.7 V
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 200 mA
Operating Temperature	-65°C ~ 175°C (TJ)
Mounting Type	Through Hole
Package / Case	DO-204AH, DO-35, Axial
Supplier Device Package	DO-35 (DO-204AH)
RoHS Status	RoHS non-compliant
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8541.10.0050

Substitute Part Grouping Explanation

Substitution between Zener diodes is determined strictly by matching key parameters, including nominal Zener voltage, tolerance, power rating, package type, mounting method, operating temperature range, and compliance status. Only parts with these matching specifications are considered suitable equivalents or substitutes within the Diodes, Zener category. Parameters such as RoHS status and REACH status may be relevant for applications requiring regulatory compliance.

Key parameters considered for substitution:

Voltage - Zener (Nom) (Vz)
Tolerance
Power - Max
Mounting Type
Package / Case
Operating Temperature Range
Product Compliance (RoHS, REACH)
ECCN and HTSUS, where necessary

Parameter Comparison

Parameter	1N4102-1	1N5238B	1N5238B TR PBFREE
Manufacturer	Microchip Technology	Microchip Technology	Central Semiconductor Corp
Category	Diodes, Zener	Diodes, Zener	Diodes, Zener
Voltage - Zener (Nom) (Vz)	8.7 V	8.7 V	8.7 V
Tolerance	±5%	±5%	±5%
Power - Max	500 mW	500 mW	500 mW
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial
Operating Temperature	-65°C ~ 175°C (TJ)	-65°C ~ 175°C (TJ)	-65°C ~ 200°C
RoHS Status	RoHS non-compliant	RoHS non-compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Selection of substitute Zener diode parts should be based on a direct match of voltage, tolerance, power rating, package/case, and mounting type. Product compliance such as RoHS and REACH status should be considered when required by application or regulatory standards. The product status for all listed substitute parts is active and inventory is available.

Frequently Asked Questions (FAQ)

Q: Which parameters must be identical for substituting a Zener diode in this category?
A: Nominal Zener voltage, tolerance, power rating, package/case, mounting type, and operating temperature range must be matched.

Q: Is ROHS and REACH compliance necessary for all applications?
A: ROHS and REACH compliance need to be matched only when required by the target application or standards.

Q: What package standards ensure mechanical compatibility?
A: All listed parts are supplied in DO-204AH, DO-35 axial through-hole packages, ensuring direct physical compatibility.

Q: Can substitute parts have different manufacturers?
A: Substitute Zener diodes are suitable if key electrical and mechanical parameters match, regardless of manufacturer.

Q: Is there any variation in operating temperature ranges among substitutes?
A: All substitutes meet or exceed the minimum required temperature range specified in the main part. Verify requirements based strictly on provided values.

Q: How is substitute part selection affected by inventory status?
A: All compared parts are actively available and listed as in stock according to the input parameters.

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