Toshiba Semiconductor and Storage CSLZ6V2,L3F
- Part No.:
- CSLZ6V2,L3F
- Manufacturer:
- Toshiba Semiconductor and Storage
- Category:
- TVS Diodes
- Package:
- 2-SMD, No Lead
- Datasheet:
-
CSLZ6V2,L3F.pdf
- Description:
- 6.2V ZNR DIODE SOD-962 OVP
- Quantity:
- Payment:

- Shipping:

Inventory:9,670
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Product details
Overview
CSLZ6V2,L3F from Toshiba Electronic Devices & Storage Corporation is a silicon epitaxial planar Zener diode designed for voltage regulation and transient overvoltage suppression in low-power signal lines. It delivers a nominal Zener voltage of 6.2 V (min 5.8 V, max 6.6 V) at 5 mA test current, with dynamic impedance of 30 Ω, clamp voltage of 10.5 V at 2.5 A peak pulse current, and total capacitance of 30 pF at 1 MHz - enabling precise clamping in USB, I²C, and sensor interface protection circuits.
For engineers reviewing the CSLZ6V2,L3F datasheet, CSLZ6V2,L3F pinout, CSLZ6V2,L3F application, or CSLZ6V2,L3F equivalent, this page provides verified electrical characteristics, ESD/IEC61000-4-2/4-5 compliance data, package dimensions, and real-world design implications for surge-protected analog and digital signal conditioning.
Technical Context
The CSLZ6V2,L3F operates as a bidirectional voltage clamp in reverse-biased configuration, leveraging its low dynamic impedance (30 Ω) and fast response to transient pulses per IEC61000-4-5 (8/20 μs). Its junction temperature rating of 150°C supports operation in thermally constrained PCB layouts.
Designed for surface-mount use in the ultra-small SL2 package (0.6 × 0.3 × 0.24 mm), it achieves ±30 kV contact ESD immunity per IEC61000-4-2 and dissipates up to 400 mW on a 25.4 mm × 25.4 mm board - making it suitable for space-constrained, high-reliability consumer and industrial interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 5.8 V (min) to 6.6 V (max) at 5 mA - ensures stable reference within ±6.5% tolerance for precision clamping. |
| Dynamic Impedance (ZZ) | 30 Ω max at 5 mA - minimizes voltage deviation under varying load, critical for tight-clamp applications. |
| Clamp Voltage (VC) | 10.5 V typical at 2.5 A peak pulse - defines maximum voltage seen by protected IC during 8/20 μs surges. |
| Total Capacitance (Ct) | 30 pF at 1 MHz - preserves signal integrity on high-speed lines like I²C (up to 400 kHz) and UART. |
| ESD Withstand (Contact) | ±30 kV per IEC61000-4-2 - eliminates need for external ESD diodes in handheld and USB-peripheral designs. |
| Power Dissipation (PD) | 400 mW on 25.4 mm × 25.4 mm board - enables robust thermal margin without heatsinking in compact layouts. |
Pinout & Package
SL2 package: ultra-compact surface-mount ceramic chip measuring 0.6 mm × 0.3 mm × 0.24 mm (typ.), weight 0.2 mg, cathode marked with pin 1 dot.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Marked) | Cathode | Connected to regulated or clamped node; reverse-biased during normal operation and conduction during overvoltage events. |
| 2 | Anode | Typically tied to GND or low-impedance return path; establishes reference potential for clamping action. |
Key Features
| Feature | Design Value |
|---|---|
| E24-series Zener voltage alignment | Enables direct substitution into legacy designs using standard 6.2 V references without recalibration. |
| ±30 kV IEC61000-4-2 contact ESD rating | Eliminates secondary ESD protection components in USB Type-C, HDMI, and touch controller interfaces. |
| Low 30 pF capacitance | Prevents signal rise-time degradation on 400 kHz I²C buses and sub-MHz sensor outputs. |
| 150°C junction temperature rating | Supports reliable operation in sealed enclosures or near heat-generating components without derating. |
Applications
| USB 2.0 Data Line Protection | I²C Bus Clamping |
|---|---|
Use Scenario: Protecting D+ and D− lines in portable USB peripherals against ESD and cable-induced surges. IC Role / Device Role / Timing Role: Bidirectional transient voltage suppressor placed between data line and ground. Use Value: Maintains signal integrity with only 30 pF loading while clamping transients to ≤10.5 V - below USB 2.0 receiver absolute maximum rating. |
Use Scenario: Safeguarding SDA/SCL lines in smart sensors and microcontroller-based IoT nodes. IC Role / Device Role / Timing Role: Low-capacitance Zener clamp ensuring bus voltage stays within 0–5.5 V window during ESD events. Use Value: Prevents latch-up in I²C transceivers by limiting overshoot to 10.5 V without distorting 400 kHz clock edges. |
| Industrial Sensor Signal Conditioning | Automotive Body Control Module Inputs |
Use Scenario: Protecting analog output pins (e.g., 0–5 V or 4–20 mA transmitter outputs) from induced surges in factory environments. IC Role / Device Role / Timing Role: Precision Zener reference and overvoltage limiter in front-end signal chain. Use Value: Tight 5.8–6.6 V Zener band ensures accurate clamping at 6.2 V nominal, preserving ADC input range fidelity. |
Use Scenario: Guarding LIN bus or discrete switch inputs in non-safety-critical automotive modules exposed to load-dump transients. IC Role / Device Role / Timing Role: Secondary surge suppressor complementing primary TVS arrays on low-voltage control signals. Use Value: Delivers 2.5 A peak pulse current handling with 10.5 V clamping - compatible with ISO 7637-3 Pulse 2a requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode surge protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NSZ6.2V2T5G | Higher dynamic impedance (40 Ω max), same 6.2 V nominal, 35 pF capacitance. | Slightly higher clamping voltage under surge; less suitable for high-speed I²C. | Prefer CSLZ6V2,L3F where <30 pF and ≤10.5 V clamping are required. |
| BZX584-C6V2 | Same Zener voltage but larger SOD-323 package (1.7 × 1.3 mm), 500 mW PD, 45 pF Ct. | Lower board density; higher parasitic capacitance limits use on >100 kHz lines. | Choose CSLZ6V2,L3F for miniaturized designs needing <0.6 mm footprint and sub-35 pF loading. |
Compared with NSZ6.2V2T5G and BZX584-C6V2, the CSLZ6V2,L3F offers superior high-frequency performance due to its 30 pF capacitance and 0.6 mm × 0.3 mm SL2 footprint - making it optimal for next-generation wearables and ultra-dense PCBs where layout area and signal integrity are critical constraints.
Availability
CSLZ6V2,L3F is available at Aetrix Electronics and suitable for USB interface protection, I²C bus clamping, and industrial sensor signal conditioning requiring stable component supply across long-lifecycle embedded programs.
Supply support for CSLZ6V2,L3F includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Toshiba Electronic Devices & Storage Corporation is a global semiconductor manufacturer specializing in power devices, logic ICs, and discrete components with strong focus on reliability and industrial-grade performance.
The CSLZ Series was developed specifically for high-density, low-capacitance transient voltage suppression in modern portable and industrial electronics - emphasizing ESD robustness, miniature packaging, and tight Zener voltage tolerances.
FAQ
What is the Zener voltage tolerance of CSLZ6V2,L3F?
The CSLZ6V2,L3F has a guaranteed Zener voltage range of 5.8 V (minimum) to 6.6 V (maximum) at 5 mA test current, corresponding to ±6.5% tolerance around the nominal 6.2 V value. This E24-series alignment ensures compatibility with standard reference designs and simplifies BOM rationalization across voltage variants in the CSLZ family.
Does CSLZ6V2,L3F meet IEC61000-4-2 and IEC61000-4-5 standards?
Yes, CSLZ6V2,L3F is rated for ±30 kV contact discharge per IEC61000-4-2 and delivers 37 W peak pulse power with 2.5 A peak pulse current under IEC61000-4-5 (8/20 μs waveform). These values are measured and specified in Toshiba's official datasheet Rev. 3.0.A, confirming its suitability for end-equipment ESD and surge immunity certification.
What is the thermal resistance and maximum operating temperature of CSLZ6V2,L3F?
The CSLZ6V2,L3F has a maximum junction temperature (Tj) of 150°C and a storage temperature range of −55°C to +150°C. Its thermal performance is characterized for two mounting conditions: 150 mW dissipation on a 20 mm × 20 mm board and 400 mW on a 25.4 mm × 25.4 mm board - no explicit Rth(j-a) is given, but derating curves are provided in the datasheet.
Can CSLZ6V2,L3F be used in bidirectional signal lines like USB D+/D−?
Yes, CSLZ6V2,L3F functions as a bidirectional clamp when placed between signal and ground. Its symmetric breakdown behavior (cathode-anode conduction in reverse bias, forward conduction at ~0.7 V) makes it appropriate for protecting differential pairs such as USB 2.0 D+ and D−, provided layout symmetry and grounding are maintained to avoid common-mode imbalance.
What is the package type and marking code for CSLZ6V2,L3F?
CSLZ6V2,L3F uses the SL2 package - a 0.6 mm × 0.3 mm × 0.24 mm ceramic chip-scale package with cathode identified by a dot mark on pin 1. The device marking is "62" (per Toshiba's CSLZ series marking table), and the full orderable part number includes the L3F suffix denoting tape-and-reel packaging and RoHS compliance.
CSLZ6V2,L3F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Toshiba Semiconductor and Storage
- Package/Case:
- 2-SMD, No Lead
- Series:
- CSLZ
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 5.8V
- Voltage - Clamping (Max) @ Ipp:
- 10.5V (Typ)
- Current - Peak Pulse (10/1000µs):
- 2.5A (8/20µs)
- Power - Peak Pulse:
- 87W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 30pF @ 1MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SL2
CSLZ6V2,L3F FAQ
1.How can I place an order for CSLZ6V2,L3F through Aetrix?
Please submit a Request for Quotation (RFQ) for CSLZ6V2,L3F on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CSLZ6V2,L3F reliable?
The price and inventory of CSLZ6V2,L3F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CSLZ6V2,L3F is usually 5 days.
3.What payment methods are accepted for CSLZ6V2,L3F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CSLZ6V2,L3F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CSLZ6V2,L3F?
CSLZ6V2,L3F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CSLZ6V2,L3F order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CSLZ6V2,L3F?
For technical support, including CSLZ6V2,L3F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CSLZ6V2,L3F requirements.
6.How does Aetrix verify that CSLZ6V2,L3F is sourced from the original manufacturer or authorized distributors?
All CSLZ6V2,L3F products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CSLZ6V2,L3F meets industry standards.
7.What is the process for return or replacement of CSLZ6V2,L3F?
All CSLZ6V2,L3F units undergo pre-shipment inspection (PSI). If there is an issue with CSLZ6V2,L3F, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CSLZ6V2,L3F part is unused and in its original packaging.
Return procedure for CSLZ6V2,L3F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CSLZ6V2,L3F Tags

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