Diodes Incorporated SD101AW-7-F

Overview

SD101AW-7-F from Diodes Incorporated is a Schottky barrier switching diode in SOD-123 package, rated for 60 V peak repetitive reverse voltage, 15 mA forward continuous current, and 1.0 ns reverse recovery time. It features low forward voltage drop (0.41 V @ 1 mA), negligible reverse recovery, and 2.0 pF total capacitance at 0 V - ideal for high-speed signal clamping and RF detector applications.

For engineers reviewing the SD101AW-7-F datasheet, SD101AW-7-F pinout, SD101AW-7-F application, or SD101AW-7-F equivalent, key selection criteria include its ultrafast switching performance, low capacitance, cathode-banded polarity marking, RoHS-compliant green construction, and SOD-123 thermal resistance of 300 °C/W on FR-4.

Technical Context

This discrete Schottky diode leverages guard ring construction to enhance transient immunity and suppress leakage-induced noise. Its metal–semiconductor junction enables near-zero minority carrier storage, eliminating reverse recovery tail and supporting >1 GHz small-signal operation.

The device operates across –65 °C to +125 °C with 400 mW power dissipation on standard FR-4 layout, and exhibits stable reverse leakage (<200 nA @ 50 V) and predictable forward conduction (0.90 V @ 15 mA), making it suitable for precision analog front-ends and low-power portable receivers.

Key Specifications

Pinout & Package

Package: SOD-123 surface-mount plastic case (UL 94V-0), 0.01 g weight, cathode indicated by band. Dimensions: 3.7 mm length × 1.2 mm width × 0.9 mm height (max).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar Schottky diode applications.

Compared with BAT54C-7-F and 1N5711, SD101AW-7-F uniquely balances 60 V blocking, 1.0 ns speed, and 2.0 pF capacitance in a RoHS-compliant SOD-123 footprint - making it optimal for space-constrained, high-frequency analog signal conditioning where leakage, speed, and size are co-critical.

Availability

SD101AW-7-F is available at Aetrix Electronics and suitable for RF detector design, high-speed logic protection, low-power sensor interfacing, and portable battery monitoring requiring stable component supply and consistent parametric performance across production lots.

Supply support for SD101AW-7-F includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design centers across Asia and manufacturing in China, Taiwan, and the U.S.

The SD101xW series belongs to Diodes' high-speed Schottky diode product line, engineered specifically for RF, portable, and low-power signal-path applications demanding minimal capacitance, fast switching, and reliable transient suppression.

FAQ

What is the maximum reverse voltage SD101AW-7-F can block reliably?

The SD101AW-7-F has a peak repetitive reverse voltage (V_RRM) rating of 60 V. This is the maximum instantaneous reverse voltage the device can withstand repeatedly without breakdown, verified at T_A = 25 °C with IR = 10 µA. Derating applies above 25 °C per the power derating curve in Figure 4.

Does SD101AW-7-F require special PCB layout considerations for RF performance?

Yes - to preserve its 2.0 pF capacitance and 1.0 ns t_rr, minimize trace length to both anode and cathode, avoid ground plane cuts beneath the SOD-123 pad area, and use the recommended FR-4 pad layout from Diodes' AP02001 application note. Thermal vias under the cathode pad improve power handling but must not increase loop inductance.

Is SD101AW-7-F compatible with lead-free reflow profiles?

Yes - SD101AW-7-F uses matte tin-plated Alloy 42 leads and is rated for lead-free reflow per J-STD-020D Level 1 moisture sensitivity. Its plastic case meets UL 94V-0 flammability requirements, and the device supports peak temperatures up to 260 °C for ≤ 40 seconds in standard Pb-free profiles.

How does the guard ring construction affect reliability in transient environments?

The guard ring reduces electric field crowding at the silicon edge, suppressing avalanche initiation and lowering leakage current drift under repeated ESD or lightning-induced transients. This extends operational life in automotive body control modules and industrial sensor nodes exposed to ISO 10605 or IEC 61000-4-2 events without external TVS supplementation.