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LZ52C6V8W
Diodes Incorporated
ZENER DIODE SOD123 T&R 5K
35475 Pcs New Original In Stock
Zener Diode 6.8 V 500 mW ±2% Surface Mount 1206
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5.0 / 5.0
- (242 Ratings)
LZ52C6V8W
Product Overview
12990031
DiGi Electronics Part Number
LZ52C6V8W-DGManufacturer
Diodes Incorporated
LZ52C6V8W
Description
ZENER DIODE SOD123 T&R 5KInventory
35475 Pcs New Original In Stock
Zener Diode 6.8 V 500 mW ±2% Surface Mount 1206
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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LZ52C6V8W Technical Specifications
Category
Diodes, Zener, Single Zener Diodes
Packaging
-
Series
-
Product Status
Obsolete
Voltage - Zener (Nom) (Vz)
6.8 V
Tolerance
±2%
Power - Max
500 mW
Impedance (Max) (Zzt)
8 Ohms
Current - Reverse Leakage @ Vr
100 nA @ 3 V
Voltage - Forward (Vf) (Max) @ If
1.5 V @ 200 mA
Operating Temperature
-65°C ~ 175°C (TJ)
Mounting Type
Surface Mount
Package / Case
1206 (3216 Metric)
Supplier Device Package
1206
Base Product Number
LZ52C
Datasheet & Documents
HTML Datasheet
LZ52C6V8W-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.10.0050
Additional Information
Other Names
31-LZ52C6V8WTR
31-LZ52C6V8WDKR
31-LZ52C6V8WCT
Standard Package
5,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
收貨速度令人滿意，商品包裝細心，整體購物經驗很好。
Dec 02, 2025
Overall, their packaging and tracking processes are highly professional, making them a trusted electronics provider.
Dec 02, 2025
Their prices are so attractive, and the delivery always meets expectations.
Dec 02, 2025
DiGi Electronics offers incredible value for money, making high-quality tech accessible to everyone.
Dec 02, 2025
DiGi Electronics consistently impresses me with their lightning-fast delivery times. It's always a pleasure to receive my orders promptly.
Dec 02, 2025
The warm hospitality from their staff enhances the overall shopping experience.
Dec 02, 2025
I appreciate the solid construction of their products, which have survived my hectic daily schedule without any hiccups.
Dec 02, 2025
Fast, efficient, and friendly—my shopping experience was superb.
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Frequently Asked Questions (FAQ)
Can I safely replace an obsolete LZ52C6V8W Zener diode with a BZT52C6V8-7-F in a high-temperature automotive design without compromising voltage regulation stability?
Yes, the BZT52C6V8-7-F is a functional replacement for the LZ52C6V8W, with matching nominal Zener voltage (6.8 V), tolerance (±2%), and power rating (500 mW). However, verify the impedance (Zzt) under your operating current—while both are typically ≤8 Ω, slight variations in dynamic impedance can affect regulation performance in low-noise analog circuits. Since both devices are rated for 175°C junction temperature and use the same 1206 SMD footprint, thermal management and PCB layout remain compatible. Confirm long-term availability of BZT52C6V8-7-F with your supplier, as the LZ52C6V8W is obsolete and future production runs may require requalification.
How do I ensure the LZ52C6V8W remains within its 500 mW power limit under transient surge conditions in a 12 V rail protection circuit?
To prevent LZ52C6V8W overstress during transients, calculate average and peak power dissipation considering surge duration and duty cycle. For example, a 100 ms surge at 20 mA dissipates only 136 mW (6.8 V × 20 mA), well within limits, but continuous operation above 73.5 mA (500 mW / 6.8 V) risks thermal failure. Use a series current-limiting resistor and consider adding a TVS diode to shunt high-energy transients away from the Zener. Monitor board temperature near the 1206 package—due to limited thermal mass, local heating can exceed ambient by 30–50°C, accelerating degradation. Derate power by 50% for designs operating above 100°C to ensure long-term reliability.
What are the key layout considerations when integrating the LZ52C6V8W in a precision voltage reference circuit to minimize impedance-induced errors?
When using the LZ52C6V8W in voltage reference applications, minimize trace length and loop area to reduce parasitic inductance and resistance that interact with its 8 Ω Zzt. Use Kelvin connections if possible, and place the LZ52C6V8W close to the load with a solid ground plane. Avoid sharing high-current return paths to prevent noise coupling. Additionally, maintain stable bias current near 5–10 mA (per typical test conditions) to ensure voltage stability within ±2%; use a stable current source instead of a resistor if supply voltage varies. Thermal coupling to other heat sources can cause drift—position the 1206 package away from power MOSFETs or inductors.
Is the LZ52C6V8W suitable for reverse bias protection in a 5 V microcontroller GPIO line exposed to ESD events?
While the LZ52C6V8W clamps at 6.8 V, making it technically suitable for 5 V GPIO protection, its 500 mW rating and 8 Ω impedance limit effectiveness against repeated or high-energy ESD. The diode may clamp ESD pulses (e.g., IEC 61000-4-2 ±8 kV), but without external series resistance, peak currents can exceed safe operating limits, leading to premature failure. For robust protection, pair the LZ52C6V8W with a low-capacitance TVS diode (e.g., RCLAMP0504P) and a small series resistor (10–47 Ω) to limit current. Avoid relying solely on the LZ52C6V8W for ESD protection in high-reliability or field-deployed devices.
What reliability risks should I evaluate before designing in the LZ52C6V8W for a new product despite its obsolete status?
Designing with the obsolete LZ52C6V8W introduces supply chain and lifecycle risks: future rework or repair may lack genuine components, leading to counterfeits or parameter drift from second-sourcing. While current stock is available (35,400 pcs), secure lifetime buys or qualify alternatives like BZT52C6V8-7-F early. Electrically, the LZ52C6V8W is robust (175°C rating, ±2% tolerance), but confirm end-of-life notifications from Diodes Incorporated. Use in low-volume or short-lifecycle products reduces risk. For long-term designs, redesign with an active-partnered Zener in a similar 1206 package to ensure traceability and reliability compliance over 10+ years.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
LZ52C6V8W CAD Models
Diodes Incorporated LZ52C6V8W PCB symbols & footprints
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