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Nexperia USA Inc. 1PS76SB70-QX
- Part No.:
- 1PS76SB70-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
1PS76SB70-QX.pdf
- Description:
- 1PS76SB70-Q/SOD323/SOD2
- Quantity:
- Payment:
- Shipping:
Inventory:3,113
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Product details
Overview
1PS76SB70-QX from Nexperia is a general-purpose Schottky diode in SOD323 (SC-76) package, designed for ultra-high-speed switching and voltage clamping. It delivers 70 V reverse voltage rating, 70 mA forward current capability, 410 mV forward voltage at 1 mA, 2 pF capacitance at 0 V, and 100 nA reverse leakage at 50 V - enabling compact automotive signal path protection.
For engineers reviewing the 1PS76SB70-QX datasheet, 1PS76SB70-QX pinout, 1PS76SB70-QX application, or 1PS76SB70-QX equivalent, this device supports AEC-Q101-compliant designs where low VF, low Cd, and high VR are critical for ESD-tolerant clamping in CAN/LIN bus interfaces and power rail transient suppression.
Technical Context
This Schottky diode uses a planar silicon structure with metal–semiconductor junction to achieve fast recovery (no minority carrier storage), enabling sub-nanosecond switching transitions. Its low 2 pF junction capacitance and 450 K/W junction-to-ambient thermal resistance support high-frequency decoupling in space-constrained PCB layouts.
The device operates across −65 °C to +150 °C ambient temperature range and maintains stable 10 µA max IR at 70 V reverse bias. Its pulsed forward voltage specification (410 mV @ 1 mA, tp ≤ 300 µs) reflects optimized performance under transient conditions typical in automotive load-dump and inductive kickback scenarios.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VR (Reverse Voltage) | 70 V - Withstands automotive load-dump transients without breakdown. |
| VF @ 1 mA | 410 mV - Enables low-loss clamping with minimal forward drop in signal lines. |
| IR @ 50 V | 100 nA - Ensures negligible standby leakage in always-on vehicle modules. |
| Cd @ 0 V | 2 pF - Minimizes capacitive loading on high-speed data lines (e.g., LIN, CAN FD). |
| Tj (Max) | 150 °C - Supports operation in engine bay and powertrain control units. |
| Rth(j-a) | 450 K/W - Requires minimal copper area for thermal management on FR4 PCBs. |
| IF (Continuous) | 70 mA - Sufficient for bidirectional ESD clamp current sharing in dual-diode configurations. |
Pinout & Package
Package: SOD323 (SC-76), surface-mounted, 1.7 mm × 1.25 mm × 0.95 mm body, 1.3 mm lead pitch. Cathode identified by marking bar.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to protected node (e.g., MCU I/O); accepts transient energy during clamping. |
| 2 | Anode (A) | Connected to reference rail (GND or VCC); completes conduction path during overvoltage events. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive use per stress test standard - eliminates qualification overhead for Tier 1 suppliers. |
| Low VF / Low Cd trade-off optimized | 410 mV @ 1 mA and 2 pF jointly enable effective high-speed clamping without signal distortion. |
| High VR / IF ratio | 70 V / 70 mA rating supports robustness in 12 V/24 V systems while maintaining small footprint. |
| Marking "S2" | Enables automated optical inspection (AOI) traceability and placement verification on SMT lines. |
Applications
| Automotive LIN Bus Protection | USB 2.0 Data Line Clamping |
|---|---|
Use Scenario: Protecting LIN transceiver pins against ISO 17987-2 electrical transients in body control modules. IC Role / Device Role / Timing Role: Bidirectional transient voltage suppressor placed between LIN_H/L and ground. Use Value: 2 pF capacitance avoids signal rise-time degradation; 410 mV VF ensures clamping threshold stays below transceiver absolute maximum ratings. |
Use Scenario: ESD protection for USB 2.0 D+ and D− lines in infotainment head units. IC Role / Device Role / Timing Role: Low-capacitance shunt diode connected anode-to-ground, cathode-to-signal line. Use Value: 100 nA IR at 50 V prevents DC loading of 480 Mbps differential signaling; SOD323 fits tight 0.5 mm pitch routing. |
| Engine Control Unit (ECU) Sensor Input Protection | 12 V Power Rail Transient Suppression |
Use Scenario: Safeguarding analog sensor inputs (e.g., MAP, TPS) from inductive spikes in engine compartments. IC Role / Device Role / Timing Role: Reverse-biased clamping diode from sensor input to 5 V reference rail. Use Value: 70 V VR withstands load-dump surges; 150 °C Tj rating ensures reliability near hot exhaust manifolds. |
Use Scenario: Secondary clamping on 12 V supply rail downstream of main TVS in ADAS camera modules. IC Role / Device Role / Timing Role: Fast-response parallel clamp limiting overshoot after primary TVS conduction. Use Value: Sub-ns switching enables response before 100 ns pulse edges; 100 mA IFSM handles repetitive surge coupling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NSR0230HT1G | Lower VF (270 mV @ 1 mA) but higher Cd (10 pF) and lower VR (30 V). | Better for low-drop logic-level clamping; unsuitable for 12 V automotive rail protection. | Select when minimizing forward loss outweighs high-frequency signal integrity. |
| Vishay VS-1EQH03-M3/5A | Higher IF (300 mA), larger SOD-123 package (2.8 mm × 1.7 mm), VR = 30 V. | Used in higher-current power rail clamping; incompatible with space-constrained SOD323 footprints. | Choose only if board layout allows larger footprint and higher current handling is required. |
Compared with NSR0230HT1G and VS-1EQH03-M3/5A, the 1PS76SB70-QX uniquely balances 70 V VR, 2 pF Cd, and SOD323 size - making it the only option for AEC-Q101-compliant, high-voltage, high-speed clamping in footprint-limited automotive modules.
Availability
1PS76SB70-QX is available at Aetrix Electronics and suitable for automotive LIN bus protection, USB 2.0 ESD clamping, ECU sensor input safeguarding, and 12 V power rail transient suppression requiring stable component supply across production lifecycles.
Supply support for 1PS76SB70-QX 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
Nexperia is a global semiconductor expert focused on high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified components and advanced packaging.
The 1PS76SB70-QX belongs to Nexperia's AEC-Q101-qualified Schottky diode portfolio, engineered specifically for signal integrity preservation and transient resilience in automotive electronic control units and connectivity interfaces.
FAQ
Is the 1PS76SB70-QX suitable for bidirectional ESD protection?
No - it is a unidirectional Schottky diode with anode and cathode terminals. For bidirectional protection, two devices must be used in series opposition (anode-to-anode or cathode-to-cathode), as confirmed in Nexperia's application note AN10771 for automotive I/O clamping topologies.
What is the maximum allowable soldering temperature profile for the SOD323 package?
The device complies with JEDEC J-STD-020D reflow requirements. Peak reflow temperature is 260 °C for ≤ 30 seconds, with ramp-up rate ≤ 3 °C/s and ramp-down rate ≤ 6 °C/s - matching the footprint dimensions shown in Figure 6 of the official datasheet.
Does the 100 nA reverse leakage at 50 V apply across the full operating temperature range?
No - the 100 nA value is specified at Tamb = 25 °C. At 125 °C, typical IR rises to ~1 µA (per Fig. 2), and at 150 °C it reaches ~5 µA. Designers must verify leakage impact on high-impedance sensor nodes at elevated temperatures.
Can the 1PS76SB70-QX replace a standard PN-junction diode in existing designs?
Yes, provided VR and IF requirements are met - but its lower VF and faster switching reduce power loss and improve transient response. However, higher IR at elevated temperature may affect precision bias networks, requiring validation in final circuit conditions.
1PS76SB70-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-76, SOD-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 70 V
- Current - Average Rectified (Io):
- 70mA
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 15 mA
- Speed:
- Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 10 µA @ 70 V
- Capacitance @ Vr, F:
- 2pF @ 0V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
- Operating Temperature - Junction:
- 150°C
1PS76SB70-QX FAQ
1.How can I place an order for 1PS76SB70-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for 1PS76SB70-QX 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 1PS76SB70-QX reliable?
The price and inventory of 1PS76SB70-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1PS76SB70-QX is usually 5 days.
3.What payment methods are accepted for 1PS76SB70-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1PS76SB70-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1PS76SB70-QX?
1PS76SB70-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1PS76SB70-QX 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 1PS76SB70-QX?
For technical support, including 1PS76SB70-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1PS76SB70-QX requirements.
6.How does Aetrix verify that 1PS76SB70-QX is sourced from the original manufacturer or authorized distributors?
All 1PS76SB70-QX 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 1PS76SB70-QX meets industry standards.
7.What is the process for return or replacement of 1PS76SB70-QX?
All 1PS76SB70-QX units undergo pre-shipment inspection (PSI). If there is an issue with 1PS76SB70-QX, 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 1PS76SB70-QX part is unused and in its original packaging.
Return procedure for 1PS76SB70-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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