The SMBJ7.0CA-13-F from Diodes Incorporated is a 600W surface-mount transient voltage suppressor diode designed for transient overvoltage and surge protection. The device uses a single bidirectional configuration, allowing transient suppression in both voltage polarities.
The device has a 7V reverse standoff voltage (VRWM). Breakdown voltage is specified from 7.78V minimum to 8.95V maximum at 10mA test current. At the specified maximum peak-pulse current of 50A, the maximum clamping voltage is 12V.
The SMBJ family provides 600W peak pulse power dissipation and uses glass-passivated die construction for effective transient clamping. The “C” suffix identifies the bidirectional version, which does not use the cathode polarity marking found on unidirectional devices.
The electrical table specifies a base maximum reverse leakage of 200µA at 7V for SMBJ7.0(C)A. However, the official datasheet notes that leakage is doubled for bidirectional devices with VRWM of 10V or below. Therefore, the applicable maximum leakage specification for SMBJ7.0CA is 400µA.
The operating junction temperature range is -55°C to +150°C, with a storage range of -55°C to +175°C. The package uses molded plastic rated to UL 94V-0, has MSL Level 1, and features lead-free matte-tin terminals.
The device is supplied in an SMB surface-mount package. Package drawings specify approximately 4.06 to 4.57mm body length, 3.30 to 3.94mm body width, and 5.00 to 5.59mm overall length. Approximate device weight is 0.1g.
The exact -13-F ordering format specifies a commercial-grade SMB device supplied in 3000-piece tape-and-reel packaging. Diodes Incorporated currently maintains an official product page for SMBJ7.0CA and identifies the product as Standard rather than AEC-qualified automotive grade.
Key Specifications:
- Brand: Diodes Incorporated
- Part Number: SMBJ7.0CA-13-F
- Series: SMBJ
- Product Type: TVS Diode
- Configuration: Single
- Polarity: Bidirectional
- Peak Pulse Power: 600W
- Reverse Standoff Voltage: 7V
- Breakdown Voltage Min: 7.78V
- Breakdown Voltage Max: 8.95V
- Breakdown Test Current: 10mA
- Maximum Clamping Voltage: 12V
- Maximum Peak Pulse Current: 50A
- Maximum Leakage for Bidirectional Version: 400µA
- Steady-State Power Dissipation: 5W at TL=75°C
- Operating Junction Temperature: -55°C to +150°C
- Storage Temperature: -55°C to +175°C
- Die Construction: Glass Passivated
- Package: SMB
- Mounting Type: SMD / SMT
- Body Length: 4.06 to 4.57mm
- Body Width: 3.30 to 3.94mm
- Overall Length: 5.00 to 5.59mm
- Weight: Approx. 0.1g
- Moisture Sensitivity: MSL 1
- Terminal Finish: Matte Tin
- Flammability Rating: UL 94V-0
- AEC Qualified: No
- RoHS Compliant: Yes
- Lead-Free: Yes
- Halogen / Antimony Free: Yes
- Packaging: Tape & Reel
- Reel Quantity: 3000 pcs.
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