SMCJ48A/CA

Part: SMCJxxA, SMCJxxCA — STMicroelectronics

Type: Transient Voltage Suppressor (TVS) Diode

Description: A 1500 W TVS diode series designed to protect sensitive equipment against electrostatic discharges and electrical overstress, with a stand-off voltage range from 5 V to 188 V and low leakage current.

Operating Conditions:

• Stand-off voltage range: 5 V to 188 V
• Operating junction temperature: -55 to +150 °C

Absolute Maximum Ratings:

• Peak pulse voltage (IEC 61000-4-2): 30 kV (Contact discharge), 30 kV (Air discharge)
• Peak pulse power dissipation (Tj initial = Tamb): 1500 W
• Max junction temperature: +150 °C
• Max storage temperature: -65 to +150 °C

Key Specs:

• Stand-off voltage (V_RM): 5 V to 188 V
• Breakdown voltage (V_BR) min: 6.4 V to 209 V (at 10 mA)
• Clamping voltage (V_CL) max: 9.20 V to 328 V (at 10/1000 μs pulse)
• Peak pulse current (I_PP) max: 4.6 A to 171 A (at 10/1000 μs pulse)
• Dynamic resistance (R_D) max: 0.012 Ω to 21.1 Ω (at 10/1000 μs pulse)
• Leakage current (I_RM) max: 0.2 μA (at 25 °C for V_RM ≥ 10 V)
• Peak pulse power (P_PP): 1500 W (10/1000 μs)
• Operating junction temperature (Tj max): 150 °C

Features:

• Peak pulse power: 1500 W (10/1000 μs), up to 10 kW (8/20 μs)
• Stand-off voltage range from 5 V to 188 V
• Unidirectional and bidirectional types
• Low leakage current: 0.2 μA at 25 °C
• High power capability at Tj max: up to 1250 W (10/1000 μs)
• Lead finishing: matte tin plating
• Complies with IEC 61000-4-2, IEC 61000-4-4

Applications:

• Protection of sensitive equipment against electrostatic discharges (IEC 61000-4-2, MIL STD 883 Method 3015)
• Protection against electrical overstress (IEC 61000-4-4 and 5)
• Used for surges below 1500 W 10/1000 μs
• High-end equipment and SMPS requiring low leakage current and high junction temperature

Package:

• SMC (0.25 g)

• Peak pulse power:
• -1500 W (10/1000 μs)
• -up to 10 kW (8/20 μs)
• Stand-off voltage range from 5 V to 188 V
• Unidirectional and bidirectional types
• Low leakage current: 0.2 μA at 25 °C
• Operating Tj max: 150 °C
• High power capability at T j max.: up to 1250 W (10/1000 μs)
• Lead finishing: matte tin plating

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.