BZX84-B10,235 Zener Diode Equivalent & Substitute Parts

Part Overview

The BZX84-B10,235 is an automotive-grade Zener diode manufactured by Nexperia USA Inc., rated for 10 V nominal voltage with 250 mW maximum power dissipation. This surface mount component in TO-236AB packaging is qualified to AEC-Q101 standards and maintains active product status. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity while maintaining electrical and mechanical compatibility within specified parameter tolerances.

Substiute Parts

BZX84-B10,235

Nexperia USA Inc.In Stock: 10616BZX84-B10,235 Datasheet

Current PartRFQ

BZX84-A10,215

Nexperia USA Inc.In Stock: 17549BZX84-A10,215 Datasheet

Parametric EquivalentRFQ

BZX84-B10,215

NXP SemiconductorsIn Stock: 1313945BZX84-B10,215 Datasheet

Parametric EquivalentRFQ

BZX84B10LT1G

onsemiIn Stock: 39510BZX84B10LT1G Datasheet

SimilarRFQ

SZBZX84C10LT1G

onsemiIn Stock: 9710SZBZX84C10LT1G Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BZX84-B10,235 is determined by strict equivalence across the following critical parameters: nominal Zener voltage (10 V), maximum power rating (250 mW or higher), surface mount packaging (TO-236AB / SOT-23-3), operating temperature range (-65°C to 150°C), and automotive-grade qualification (AEC-Q101). Tolerance variations are permitted within the specified ranges. Impedance and reverse leakage characteristics must remain within or equal to the specified maximums. Forward voltage characteristics must not exceed stated limits.

Substitute parts are classified into two categories:

Parametric Equivalents: Parts with identical or superior electrical specifications and full automotive qualification. These include BZX84-A10,215 (±1% tolerance, tighter specification) and BZX84-B10,215 (identical ±2% tolerance, bulk packaging variant).

Similar Parts: Components meeting core electrical requirements with minor parameter variations. These include BZX84B10LT1G (onsemi, 15 Ohm impedance) and SZBZX84C10LT1G (onsemi, 225 mW power rating, ±6% tolerance).

Parameter Comparison

Engineering Selection Recommendations

BZX84-A10,215 (Nexperia USA Inc.): This part is a direct parametric equivalent with superior tolerance specification (±1% versus ±2%). It maintains identical electrical performance, automotive-grade qualification, and AEC-Q101 certification. Selection is appropriate for applications requiring tighter voltage tolerance control.

BZX84-B10,215 (NXP Semiconductors): This part is electrically identical to the main component with matching ±2% tolerance and 250 mW power rating. It differs only in packaging format (bulk versus tape & reel) and manufacturer designation. Full automotive qualification and AEC-Q101 certification are maintained. Selection is appropriate for high-volume procurement scenarios.

BZX84B10LT1G (onsemi): This part meets all core electrical requirements with identical voltage, power rating, and operating temperature range. It features improved impedance specification (15 Ohms maximum versus 20 Ohms). However, automotive-grade designation and AEC-Q101 qualification are not specified in the provided data. Selection requires confirmation of automotive suitability for the target application.

SZBZX84C10LT1G (onsemi): This part maintains automotive-grade qualification and AEC-Q101 certification with identical voltage and operating temperature specifications. Power rating is reduced to 225 mW (10% lower than the main part). Tolerance is wider at ±6%. Selection is appropriate only for applications where the reduced power dissipation capacity does not constrain circuit performance.

Frequently Asked Questions (FAQ)

Q: Can BZX84-A10,215 be used as a direct replacement for BZX84-B10,235?

A: Yes. BZX84-A10,215 is a parametric equivalent with identical nominal voltage (10 V), power rating (250 mW), operating temperature range, and automotive qualification. The ±1% tolerance is tighter than the ±2% specification of the main part, making it suitable for applications requiring improved voltage accuracy.

Q: What is the difference between BZX84-B10,215 and BZX84-B10,235?

A: Both parts are electrically identical with 10 V nominal voltage, ±2% tolerance, and 250 mW power rating. The primary difference is packaging format: BZX84-B10,235 is supplied in tape & reel format, while BZX84-B10,215 is supplied in bulk. Both maintain full automotive qualification and AEC-Q101 certification.

Q: Is BZX84B10LT1G suitable for automotive applications?

A: BZX84B10LT1G meets the core electrical specifications (10 V, 250 mW, -65 to 150°C) and is manufactured by onsemi. However, the provided data does not specify automotive-grade designation or AEC-Q101 qualification for this part. Confirmation of automotive suitability is required before selection for automotive applications.

Q: Why does SZBZX84C10LT1G have a lower power rating?

A: SZBZX84C10LT1G is rated for 225 mW maximum power dissipation, compared to 250 mW for the main part. This 10% reduction in power capacity may limit its use in circuits requiring the full 250 mW dissipation capability. Selection is appropriate only when circuit design does not exceed 225 mW operation.

Q: Are all substitute parts in the same package?

A: Yes. All listed substitute parts use TO-236-3, SC-59, or SOT-23-3 packaging designations, which are mechanically and electrically compatible. Surface mount mounting type is consistent across all parts.

Q: What compliance standards apply to these parts?

A: All parts listed are ROHS3 compliant with MSL rating of 1 (unlimited moisture sensitivity level). BZX84-A10,215, BZX84-B10,215, and SZBZX84C10LT1G maintain automotive-grade qualification and AEC-Q101 certification. BZX84B10LT1G compliance status requires verification.