TLZ5V6-GS18 Equivalent & Substitute Parts

Part Overview

The TLZ5V6-GS18 is an active-status zener diode manufactured by Vishay General Semiconductor - Diodes Division. This component is a 5.6 V, 500 mW surface mount zener diode in SOD-80 MiniMELF packaging, designed for voltage regulation and protection applications. The part is ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1) and is currently in stock with 853 units available. Substitute parts are identified when equivalent electrical performance and compliance certifications are maintained across alternative manufacturers and package configurations.

Substiute Parts

TLZ5V6-GS18

Vishay General Semiconductor - Diodes DivisionIn Stock: 878TLZ5V6-GS18 Datasheet

Current PartRFQ

1N4626UR-1

Microchip TechnologyIn Stock: 9121N4626UR-1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLZ5V6-GS18 is determined by the following critical electrical and mechanical parameters:

• Zener Voltage (Nominal): Must equal 5.6 V
• Maximum Power Dissipation: Must equal or exceed 500 mW
• Operating Temperature Range: Must span -65°C to 175°C minimum
• Mounting Type: Must be Surface Mount
• Compliance: Must maintain ROHS3 compliance and MSL 1 rating
• Package Compatibility: Substitute packages must be mechanically and electrically compatible with DO-213 series configurations

The 1N4626UR-1 manufactured by Microchip Technology meets these substitution criteria. Both parts share identical nominal zener voltage (5.6 V), maximum power rating (500 mW), operating temperature range (-65°C to 175°C), surface mount configuration, and full ROHS3 compliance with MSL 1 rating. Package variants (SOD-80 MiniMELF versus DO-213AA) remain within the DO-213 family standard, permitting direct functional substitution in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Both the TLZ5V6-GS18 and 1N4626UR-1 are active-status components with full ROHS3 compliance and identical regulatory classification (EAR99, REACH Unaffected). Selection between these parts is based on application-specific requirements and availability:

TLZ5V6-GS18 (Vishay): Select this part when lower impedance (13 Ohms maximum) is required for applications demanding tighter voltage regulation and faster transient response. Current inventory: 853 units.

1N4626UR-1 (Microchip): Select this part when lower forward voltage drop (1.1 V @ 200 mA versus 1.5 V) is advantageous for power efficiency or when Microchip supply chain availability is preferred. Current inventory: 846 units. The higher impedance specification (1400 Ohms) is acceptable in applications where regulation precision is not critical.

Both parts operate across the full -65°C to 175°C temperature range and maintain 500 mW power dissipation capability, ensuring functional equivalence in standard voltage regulation and protection circuits.

Frequently Asked Questions (FAQ)

Q: Can the 1N4626UR-1 directly replace the TLZ5V6-GS18 in existing PCB layouts?

A: Direct PCB replacement requires verification of package footprint compatibility. The TLZ5V6-GS18 uses SOD-80 MiniMELF packaging while the 1N4626UR-1 uses DO-213AA packaging. Both are DO-213 family variants with similar lead spacing, but physical dimensions and land pattern requirements must be confirmed against your PCB design specifications before substitution.

Q: What is the significance of the impedance difference between these parts?

A: The TLZ5V6-GS18 specifies 13 Ohms maximum impedance while the 1N4626UR-1 specifies 1400 Ohms maximum impedance. Lower impedance provides better voltage regulation stability and faster response to load transients. Applications requiring precise voltage regulation should prioritize the lower impedance specification. Applications with stable load conditions tolerate higher impedance.

Q: Are both parts suitable for high-temperature applications?

A: Yes. Both parts are rated for operation across -65°C to 175°C, meeting identical temperature specifications. Selection between them for thermal applications depends on other performance criteria such as impedance and forward voltage characteristics rather than temperature capability.

Q: Do both parts carry the same compliance certifications?

A: Yes. Both the TLZ5V6-GS18 and 1N4626UR-1 are ROHS3 compliant, REACH unaffected, classified as EAR99, and carry MSL 1 (unlimited moisture sensitivity) ratings. Compliance requirements do not differentiate these parts.

Q: What is the tolerance specification for zener voltage?

A: The TLZ5V6-GS18 does not specify a tolerance value in the provided data. The 1N4626UR-1 specifies ±5% tolerance on the 5.6 V nominal zener voltage. Applications requiring tighter voltage tolerance should request tolerance specifications from the Vishay manufacturer or select the Microchip part with documented ±5% tolerance.