ESDA25L

Part: ESDA25L — STMicroelectronics

Type: Unidirectional Transil ESD Protection Diode Array

Description: Single-line unidirectional ESD/transient suppressor in SOT23-3L with 300 W peak pulse power (8/20 μs), 30 kV IEC 61000-4-2 contact and air discharge rating, and 24 V stand-off voltage.

Operating Conditions:

• Operating junction temperature: -40 to 150 °C
• Storage junction temperature: -65 to 150 °C
• Stand-off voltage (VRM): 24 V (max IRM 1 μA at 24 V)

Absolute Maximum Ratings (Tamb = 25 °C):

• ESD peak pulse voltage (IEC 61000-4-2, contact and air discharge): 30 kV
• Peak pulse power (8/20 μs): 300 W
• Peak pulse current (8/20 μs), ESDA25L: 7 A
• Max operating junction temperature: 150 °C
• Max storage junction temperature: 150 °C
• Max lead temperature for soldering (10 s, 5 mm from case): 260 °C

Key Specs:

• Breakdown voltage VBR: 25 V min, 30 V max at IR = 1 mA
• Leakage current IRM: 1 μA max at VRM = 24 V
• Dynamic impedance Rd: 1000 mΩ typ
• Line capacitance Cline: 50 pF typ at 0 V bias
• Forward voltage VF: 1.2 V max at IF = 10 mA
• Voltage temperature coefficient αT: 10 × 10⁻⁴ /°C max
• Square pulse withstand: IPP = 15 A, tp = 2.5 μs (Rd test condition)

Features:

• Unidirectional device
• 300 W peak pulse power (8/20 μs)
• Low leakage current (IR max. < 20 μA at VBR)
• ESD protection up to 30 kV
• Suitable for high-density boards
• Can be used as a bidirectional suppressor by connecting only pins 1 and 2
• Epoxy meets UL 94 V0; lead-free ECOPACK package

Applications:

• Entertainment
• Connectivity
• Signal communications
• Comfort and convenience

Package:

• SOT23-3L (3-lead)

• Unidirectional device
• 300 W peak pulse power (8/20 μs)
• Low leakage current (IR max. < 20 μA at VBR)

Where transient overvoltage protection in ESD sensitive equipment is required, such as:

• Entertainment
• Connectivity
• Signal communications
• Comfort and convenience

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK ® packages, depending on their level of environmental compliance. ECOPACK ® specifications, grade definitions and product status are available at: www.st.com . ECOPACK ® is an ST trademark.

• Epoxy meets UL 94,V0
• Lead-free package