The PESD3V3L1BA,115 from Nexperia is a low-capacitance bidirectional ESD protection diode designed to protect a single bidirectional signal line against electrostatic discharge, surge events and other voltage transients. It features a maximum 3.3V reverse standoff voltage, making it suitable for low-voltage data and communication interfaces.
The device provides robust transient protection with a maximum 500W peak pulse power rating and an 18A peak pulse current for an 8/20μs surge waveform. Maximum clamping voltage is 8V at 1A and 26V at 18A, helping limit transient voltages before they reach sensitive downstream circuitry.
The PESD3V3L1BA features a typical reverse leakage current of only 0.09μA at 3.3V and a typical diode capacitance of approximately 101pF at 1MHz and 0V bias. Breakdown voltage ranges from 5.8V to 6.9V, with a typical value of approximately 6.4V.
The device complies with IEC 61000-4-2 Level 4, supporting up to 30kV contact discharge and 15kV air discharge, as well as 10kV HBM ESD capability. It is housed in a compact 2-pin SOD-323 (SC-76) SMD package and is intended for computers and peripherals, communication systems, audio/video equipment and general data-line protection.
Key Specifications:
- Brand: Nexperia
- Part Number: PESD3V3L1BA,115
- Base Part Number: PESD3V3L1BA
- Product Type: ESD Protection Diode
- Configuration: Bidirectional
- Protected Lines: 1
- Reverse Standoff Voltage: 3.3V
- Breakdown Voltage: 5.8V to 6.9V
- Typical Breakdown Voltage: 6.4V
- Maximum Clamping Voltage: 8V @ 1A
- Maximum Clamping Voltage: 26V @ 18A
- Maximum Peak Pulse Power: 500W
- Peak Pulse Current: 18A, 8/20μs
- Typical Reverse Leakage Current: 0.09μA @ 3.3V
- Maximum Reverse Leakage Current: 2μA @ 3.3V
- Typical Diode Capacitance: 101pF @ 1MHz
- IEC Contact ESD: Up to 30kV
- IEC Air ESD: Up to 15kV
- HBM ESD: 10kV
- Maximum Junction Temperature: 150°C
- Ambient Temperature Range: -65°C to +150°C
- Package: SOD-323 / SC-76
- Pin Count: 2
- Mounting Type: SMD / SMT
- MSL: Level 1







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