GLL4738A-E3/97 Equivalent & Substitute Parts

Part Overview

The GLL4738A-E3/97 is a Zener diode rated at 8.2 V nominal voltage with 1 W maximum power dissipation, manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component is packaged in MELF DO-213AB format and is designed for voltage regulation and protection applications in electronic circuits. The part is currently Active in product status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when packaging format differs while all critical electrical parameters remain identical, enabling component sourcing flexibility without circuit redesign.

Substiute Parts

GLL4738A-E3/97

Vishay General Semiconductor - Diodes DivisionIn Stock: 900GLL4738A-E3/97 Datasheet

Current PartRFQ

GLL4738A-E3/96

Vishay General Semiconductor - Diodes DivisionIn Stock: 1438GLL4738A-E3/96 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the GLL4738A-E3/97 is determined by electrical parameter equivalence across the Zener diode category. The critical parameters that define substitutability are:

• Voltage - Zener (Nominal): 8.2 V
• Tolerance: ±5%
• Power - Maximum: 1 W
• Impedance (Maximum): 4.5 Ohms
• Current - Reverse Leakage @ Vr: 10 µA @ 6 V
• Operating Temperature Range: -65°C to 150°C
• Package / Case: DO-213AB, MELF
• Mounting Type: Surface Mount

The identified substitute part GLL4738A-E3/96 maintains identical electrical specifications and package format. The distinction between these parts is limited to packaging delivery method: the main part is supplied in Tape & Reel (TR) format, while the substitute is supplied in Cut Tape (CT) format. Both parts share the same base product number GLL4738 and are manufactured by the same supplier, ensuring functional equivalence in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Both GLL4738A-E3/97 and GLL4738A-E3/96 are Active products with full ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component manufacturing and distribution. Selection between these parts should be based on procurement and assembly requirements:

The GLL4738A-E3/97 in Tape & Reel format is suitable for high-volume automated assembly operations where components are fed directly from reel-based pick-and-place equipment. The GLL4738A-E3/96 in Cut Tape format accommodates lower-volume production runs, manual assembly processes, or situations where partial reel quantities are required without waste.

Both parts carry identical electrical performance specifications and thermal operating ranges, ensuring functional interchangeability in circuit design. The choice between them does not affect circuit behavior, performance characteristics, or reliability. Inventory availability and supply chain logistics should guide the final selection.

Frequently Asked Questions (FAQ)

Q: Can GLL4738A-E3/96 be used as a direct replacement for GLL4738A-E3/97 in production?

A: Yes. Both parts are electrically identical with matching voltage regulation characteristics, power ratings, impedance specifications, and operating temperature ranges. The only difference is packaging format (Cut Tape versus Tape & Reel), which does not affect circuit performance or component functionality.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging supplies components on continuous reels suitable for automated high-speed assembly lines. Cut Tape (CT) packaging provides components on tape segments, typically used for lower-volume production, manual assembly, or when partial quantities are needed. Both formats contain the same component in the same DO-213AB MELF package.

Q: Are there any thermal or electrical performance differences between these substitute parts?

A: No. Both parts maintain identical specifications for Zener voltage (8.2 V), power dissipation (1 W), impedance (4.5 Ohms maximum), reverse leakage current (10 µA @ 6 V), and operating temperature range (-65°C to 150°C). Performance in circuit applications is equivalent.

Q: Do both parts meet the same compliance standards?

A: Yes. Both GLL4738A-E3/97 and GLL4738A-E3/96 are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating. They meet identical regulatory and environmental requirements.

Q: Which part should be selected for new designs?

A: Selection should be based on manufacturing process requirements. For automated assembly with reel-fed pick-and-place systems, use GLL4738A-E3/97. For manual assembly, prototyping, or lower-volume production, use GLL4738A-E3/96. Both are equally suitable for new circuit designs from an electrical standpoint.