My Inquiry
My Account
onsemi SL05T1G
- Part No.:
- SL05T1G
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
SL05T1G.pdf
- Description:
- TVS DIODE 5VWM 11VC SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:47,867
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SL05T1G from onsemi is a unidirectional ESD protection diode in SOT-23 package, designed for high-speed I/O line protection with 5.0 V working peak reverse voltage, <5 pF junction capacitance at 1 MHz, 300 W peak pulse power (8 × 20 µs), and IEC 61000-4-2 Level 4 (±8 kV contact) compliance. It integrates a series-compensating diode to achieve ultra-low capacitance for USB 2.0, HDMI, and Ethernet PHY interfaces.
For engineers reviewing the SL05T1G datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage (9.8 V @ 1 A), breakdown voltage (6.0–8.0 V), thermal resistance (556 °C/W on FR-5), UL 94 V-0 flammability rating, and Pb-free/RoHS-compliant packaging for high-density automated assembly.
Technical Context
The SL05T1G implements a series-connected dual-diode architecture: one diode provides avalanche-based transient clamping while the other acts as a forward-biased compensating element to reduce net junction capacitance. This topology enables sub-5 pF performance without sacrificing ESD robustness.
It operates strictly as a unidirectional device-bi-directional protection requires two SL05T1G units in inverse-parallel configuration. Its 5.0 V VRWM and 9.8 V VC @ 1 A support 3.3 V and 5 V logic rails while maintaining signal integrity on data lines up to 480 Mbps.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 5.0 V - Maximum continuous reverse voltage before leakage exceeds 20 µA; sets operating margin for 3.3 V I/O systems. |
| VC @ IPP = 1 A | 9.8 V - Clamping voltage during 8 × 20 µs surge; ensures downstream ICs see <10 V stress during ESD events. |
| Junction Capacitance | 3.5–5.0 pF @ 0 V, 1 MHz - Enables use on USB 2.0 (480 Mbps) and HDMI DDC lines without signal degradation. |
| Peak Pulse Power | 300 W @ 8 × 20 µs - Withstands IEC 61000-4-5 lightning surges up to 12 A (open-circuit) and 40 A (short-circuit). |
| ESD Rating | ±8 kV contact / ±16 kV air per IEC 61000-4-2 Level 4 - Meets industrial and consumer end-equipment immunity requirements. |
| Thermal Resistance RJA | 556 °C/W on FR-5 board - Limits junction temperature rise to <14°C under 225 mW steady-state dissipation at 25°C ambient. |
Pinout & Package
SOT-23 (TO-236) package, case 318, style 26 - void-free thermosetting plastic, UL 94 V-0 rated, optimized for pick-and-place and reflow soldering at 260°C/10 s.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode | Connected to protected I/O line; forward-biased during positive transients to steer current to ground. |
| 2 | Cathode | Connected to system ground; forms clamping path when reverse voltage exceeds VRWM. |
| 3 | No Connect (NC) | Internally isolated terminal; no electrical connection - must remain unconnected on PCB. |
Key Features
| Feature | Design Value |
|---|---|
| Series-compensated diode structure | Reduces effective junction capacitance to ≤5 pF without external components or layout trade-offs. |
| IEC 61000-4-2/4-4/4-5 compliance | Validated protection against ESD, EFT, and lightning surges per international immunity standards. |
| UL 94 V-0 flammability rating | Ensures flame-retardant behavior during fault conditions, supporting safety-critical industrial designs. |
| Pb-free, halogen-free, RoHS-compliant | Meets global environmental regulations and supports lead-free reflow profiles without reliability compromise. |
Applications
| USB 2.0 Data Lines | HDMI DDC Channel |
|---|---|
Use Scenario: Protecting D+ and D− pins of USB 2.0 transceivers from ESD events during hot-plug insertion. IC Role / Device Role / Timing Role: Unidirectional transient voltage suppressor placed directly at connector interface. Use Value: 3.5 pF capacitance prevents signal rise-time degradation, preserving 480 Mbps data integrity while clamping surges to <10 V. | Use Scenario: Safeguarding HDMI Display Data Channel (DDC) lines (SCL/SDA) from user-handling ESD in AV receivers and monitors. IC Role / Device Role / Timing Role: Low-capacitance ESD clamp on 5 V-tolerant I²C bus lines operating at ≤100 kHz. Use Value: 5.0 V VRWM aligns with DDC pull-up voltage; ±8 kV contact rating exceeds IEC 61000-4-2 Level 4 requirement. |
| Ethernet PHY MDI Lines | Industrial Sensor Interface |
Use Scenario: Shielding 10/100BASE-TX transformer-coupled MDI pairs from cable-discharge events in embedded switches. IC Role / Device Role / Timing Role: Secondary-level protection between magnetics and PHY IC, complementing primary gas discharge tube. Use Value: 300 W peak power handles induced surges from nearby lightning strikes; NC pin simplifies routing near differential pairs. | Use Scenario: Guarding analog/digital I/O of PLC modules connected to field sensors exposed to electrostatic build-up in factory environments. IC Role / Device Role / Timing Role: Point-of-entry ESD suppressor on 24 V or 5 V sensor supply and signal lines. Use Value: −55°C to +150°C operating range supports extended industrial temperature operation; UL 94 V-0 prevents fire propagation during overvoltage faults. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD2E001DRYR | Bi-directional, 1.5 pF typical capacitance, 5.5 V VRWM, 3.6 V clamping @ 1 A | Supports bidirectional signal lines (e.g., I²C, UART) without dual-device layout; lower clamping but higher cost. | Select when protecting low-voltage bidirectional buses where <2 pF is critical and VRWM ≤5.5 V suffices. |
| ESD5Z5.0T1G | Unidirectional, 5.0 V VRWM, 12.5 V VC @ 1 A, 12 pF capacitance, same SOT-23 package | Higher clamping and capacitance limit use to lower-speed interfaces (≤10 Mbps); lower cost and wider availability. | Choose for cost-sensitive industrial controls where 12 pF capacitance and 12.5 V clamping are acceptable. |
Compared with TPD2E001DRYR and ESD5Z5.0T1G, the SL05T1G delivers optimal balance for unidirectional high-speed lines: its 3.5–5.0 pF capacitance and 9.8 V clamping enable USB 2.0 compliance where bi-directionality isn't required, while maintaining SOT-23 footprint compatibility and AEC-Q101 readiness.
Availability
SL05T1G is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI DDC safeguarding, and industrial sensor I/O conditioning requiring stable component supply across automotive, computing, and industrial OEM programs.
Supply support for SL05T1G 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
onsemi (formerly ON Semiconductor) is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The SL05T1G belongs to onsemi's SL05T1G Series of low-capacitance ESD protection diodes, engineered specifically to preserve signal integrity on high-speed digital interfaces while meeting stringent IEC immunity standards.
FAQ
What is the maximum working voltage supported by SL05T1G?
The SL05T1G has a working peak reverse voltage (VRWM) of 5.0 V, meaning it can continuously block up to 5.0 V in reverse bias without exceeding 20 µA leakage. This makes SL05T1G suitable for protecting 3.3 V and 5 V logic interfaces where transient clamping must occur above normal operating voltage but below IC absolute maximum ratings.
Does SL05T1G provide bi-directional ESD protection?
No, SL05T1G is a unidirectional ESD protection diode. Bi-directional protection requires two SL05T1G devices connected in inverse-parallel configuration - one with anode-to-line/cathode-to-ground, the other cathode-to-line/anode-to-ground. The datasheet explicitly states that bi-directional capability "can be achieved by using two devices."
What is the significance of Pin 3 being labeled NC on SL05T1G?
Pin 3 of SL05T1G is designated No Connect (NC) - it has no internal electrical connection and must remain unconnected on the PCB. This isolation eliminates parasitic coupling paths and simplifies layout near high-speed differential traces, preserving the <5 pF capacitance advantage critical for USB 2.0 and HDMI DDC applications.
How does SL05T1G achieve its low 3.5–5.0 pF capacitance?
SL05T1G achieves low capacitance via an integrated series-compensating diode architecture: the surge protection diode and compensating diode are connected in series, reducing total junction capacitance according to the series capacitance formula (1/CT = 1/C1 + 1/C2). This eliminates the need for external compensation networks while maintaining robust 300 W surge handling.
Is SL05T1G qualified for automotive applications?
Yes - the SZSL05T1G variant is AEC-Q101 qualified and PPAP capable, with enhanced process control for automotive use. While the standard SL05T1G is not automotive-qualified, its datasheet notes that "SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements," confirming onsemi offers a qualified version derived from the same design platform.
SL05T1G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5V
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 11V
- Current - Peak Pulse (10/1000µs):
- 5A (8/20µs)
- Power - Peak Pulse:
- 300W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 3.5pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3 (TO-236)
SL05T1G FAQ
1.How can I place an order for SL05T1G through Aetrix?
Please submit a Request for Quotation (RFQ) for SL05T1G 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 SL05T1G reliable?
The price and inventory of SL05T1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SL05T1G is usually 5 days.
3.What payment methods are accepted for SL05T1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SL05T1G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SL05T1G?
SL05T1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SL05T1G 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 SL05T1G?
For technical support, including SL05T1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SL05T1G requirements.
6.How does Aetrix verify that SL05T1G is sourced from the original manufacturer or authorized distributors?
All SL05T1G 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 SL05T1G meets industry standards.
7.What is the process for return or replacement of SL05T1G?
All SL05T1G units undergo pre-shipment inspection (PSI). If there is an issue with SL05T1G, 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 SL05T1G part is unused and in its original packaging.
Return procedure for SL05T1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SL05T1G Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
