SMAJ440A

Part: SMAJ5.0 (C)A THRU SMAJ440 ( C ) A — Microdiode Semconductor (Shenzhen)

Type: Transient Voltage Suppressor

Description: 400W peak pulse power, 5.0 to 440 V stand-off voltage Transient Voltage Suppressor in SMA package, designed for surface mounted applications.

Operating Conditions:

• Operating temperature: -65 to +150 °C
• Repetition rate (duty cycle): 0.01% (for 400W peak pulse power)
• Reverse leakage current: Typical less than 1μA above 10V

Absolute Maximum Ratings:

• Max peak pulse power dissipation: 400 W (at 10/1000 μs waveform)
• Max steady state power dissipation: 3.3 W (at T A =50 °C)
• Max peak forward surge current: 40 A (8.3ms single half sine-wave)
• Max junction/storage temperature: -65 to +150 °C

Key Specs:

• Reverse Stand-Off Voltage (V RWM): 5.0 V (for SMAJ5.0A)
• Breakdown Voltage (V BR): 6.40–7.00 V (at I T = 10 mA for SMAJ5.0A)
• Maximum Clamping Voltage (V C): 9.2 V (at I PP = 43.5 A for SMAJ5.0A)
• Peak Pulse Current (I PP): 43.5 A (for SMAJ5.0A)
• Reverse Leakage (I R): 800 μA (at V RWM = 5.0 V for SMAJ5.0A)
• Typical thermal resistance junction to ambient: 120 °C/W
• IEC 61000-4-2 ESD rating: 30 KV (Air), 30 KV (contact)

Features:

• For surface mounted applications in order to optimize board space
• Low profile package
• Built-in strain relief
• Glass passivated junction
• Low inductance
• Excellent clamping capability
• Fast response time
• High Temperature soldering: 260 °C /10 seconds at terminals
• Plastic package has underwriters laboratory flammability 94V-0

Applications:

• I/O interface AC/DC power supply
• Low frequency signal transmission line (RS232, RS482, etc.)

Package:

• JEDEC DO-214AC/SMA (0.07 grams)

• For surface mounted applications in order to optimize board space
• Low profile package
• Built-in strain relief
• Glass passivated junction
• Low inductance
• Excellent clamping capability
• 400W peak pulse power capability at 10/1000μs waveform,
• Repetition rate (duty cycle): 0.01%
• Fast response time
• Typical IR less than 1μA above 10V
• High Temperature soldering: 260 °C /10 seconds at terminals
• Plastic package has underwriters laboratory flammability 94V-0
• IEC 61000-4-2 ESD 30 K V(Air),30 K V(contact)

• I/O interface AC/DC power supply

• Low frequency signal transmission line (RS232, RS485, etc.)

Stand-off Voltage - 5.0 to 440

Volts Peak Pulse Power: 400 Watts

Case

: JEDEC DO-214AC/SMA molded plastic body

Terminals

: Solderable per MIL-STD-750,Method 2026

Polarity

: Polarity symbol marking on body

Mounting Position

: Any

Weight

: 0.0 7 grams

Marking

:

Date Code and Marking Code