The Infineon ESD203B102ELE6327, corresponding to ESD203-B1-02EL, is a single-line bidirectional ESD, transient, and surge protection diode designed for signal and VBUS protection. Typical applications include audio lines, buttons, keypads, touchpads, and headset interfaces. Infineon currently lists the product as Not for New Design.
The device supports a symmetrical ±13.2V maximum working voltage. At 12V, reverse current is only 1nA typical and 50nA maximum. The minimum trigger voltage is 13.7V, while typical holding voltage is approximately 16V.
Protection capability includes ±30kV IEC 61000-4-2 ESD, ±50A IEC 61000-4-4 EFT, and ±5A IEC 61000-4-5 surge current using an 8/20µs waveform. At 5A surge current, clamping voltage is approximately 20V typical and 23V maximum, with 0.29Ω typical dynamic resistance.
Typical line capacitance is 6pF, with a 9pF maximum at 0V and 1MHz. The operating temperature range is -55°C to +125°C, and storage temperature ranges from -65°C to +150°C.
The current full Infineon OPN is ESD203B102ELE6327XTMA1. It is supplied in a 2-pin PG-TSLP-2-20 package measuring approximately 1.0 × 0.6 × 0.31mm, with 15,000 devices per tape-and-reel. Infineon lists MSL Level 1, lead-free, RoHS-compliant, and halogen-free construction.
Key Features:
- Manufacturer: Infineon Technologies
- Part Number: ESD203B102ELE6327
- Device Family: ESD203-B1-02EL
- Current Full OPN: ESD203B102ELE6327XTMA1
- Device Type: ESD / TVS Protection Diode
- Protected Lines: 1
- Polarity: Bidirectional
- Working Voltage: ±13.2V
- Typical Reverse Current: 1nA at 12V
- Maximum Reverse Current: 50nA at 12V
- Typical Line Capacitance: 6pF
- Maximum Line Capacitance: 9pF
- IEC 61000-4-2 ESD: ±30kV
- IEC 61000-4-4 EFT: ±50A
- IEC 61000-4-5 Surge: ±5A
- Typical Clamp Voltage: 20V at 5A
- Maximum Clamp Voltage: 23V at 5A
- Typical Dynamic Resistance: 0.29Ω
- Operating Temperature: -55°C to +125°C
- Package: PG-TSLP-2-20
- Pin Count: 2
- Package Size: Approx. 1.0 × 0.6 × 0.31mm
- Packaging: Tape & Reel
- Reel Quantity: 15,000 pcs
- MSL: Level 1
- Lead-Free / RoHS / Halogen-Free
- Lifecycle Status: Not for New Design.
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