Electronic Design

Component Specifier: Discrete Semiconductors

TABLE 1: DISCRETE SEMICONDUCTORS
TYPE/Model Features P&A Source
SCHOTTKY DIODES
CMSSH-3E series
Available in four configurations; 40-V standard maximum rated peak repetitive reverse voltage; 200-mA maximum rated continuous forward current; 0.42-V maximum forward voltage drop; 5-ns fast switching speed; Super mini SOT-323 surface-mount package requires 38% less board space than similar devices in a standard SOT-23; available in bulk pack or 3000-piece, 7-in. tape and reel $0.10 each on tape and reel; samples available on request Central Semiconductor Corp.
www.centralsemi.com
(631) 435-1110
ZENER DIODES
RSA and RSB series
Deliver ±8- or ±9-kV contact protection per the IEC61000-4-2 Level 4 specification with 1-pF capacitance; 0.02-pF channel I/O to GND capacitance difference; 0.8-pF channel-to-channel capacitance; insertion loss is virtually 0 to 3 GHz; less than 14-V clamping voltage loss (VBUS + 9 V); subnanosecond response times; EDZ, VDZ, SOD, SOT, LL, and DO packages available $0.10 to $0.13 each, 3000-piece minimum; eight to 10 weeks Rohm Electronics
www.rohmelectronics.com
(888) 775-ROHM
SCHOTTKY BARRIER DIODE
ZHCS350
Maximum reverse current of 12 µA; forward voltage typically specified at 300 and 730 mV for respective continuous forward currents of 30 and 350 mA; 1.7- by 0.9-mm footprint and 0.8-mm profile; lead-free construction, with 100% matte tin-plated external leads; supplied on 3000- and 10,000-unit tape and reel $0.11 in 10,000-unit quantities; four to six weeks in production lots Zetex Semiconductors
www.zetex.com
(631) 360-2222
N-CHANNEL MOSFET
NUD3048
100-V breakdown voltage; 100-V buffered-gate voltage rating; can function as a level shifter, a power-good signal, an inrush limiter, and a relay drive circuit; includes a gate-to-source zener clamp, electrostatic-discharge (ESD) protection diodes, and 100-k(omega) gate resistor; TSOP6 packaging offers 0.72-(omega) maximum on resistance $0.17 each in 10,000-unit lots; eight to 12 weeks ON Semiconductor
www.onsemi.com
(602) 244-6600
MOSFET DRIVER
MAX5078
Can source and sink up to 4-A peak current with 20-ns propagation delay; propagation-delay matching is typically less than ±10 ns from part to part; rated for operation from a 4- to 15-V supply voltage; can withstand up to 18-V transients; inverting and noninverting logic inputs operate at up to +18 V regardless of VDD supply voltage; 3- by 3-mm, six-pin TDFN package $0.49 each in 1000-unit lots, free on board; three weeks Maxim Integrated Products
www.maxim-ic.com
(800) 998-8800
ZENER DIODE ARRAYS
CM1218, CM1219
The CM1219 has a 4-pF input capacitance and protects against ESD strikes up to ±8-kV contact discharge; the CM1218 has a 7-pF input capacitance and protects against ESD strikes up to ±15-kV contact discharge; offered in standard SOT-23 and SC-70 packages and five-lead SOT-553 and six-lead SOT-563 packages for four- and five-channel versions, respectively; lead-free versions are available $0.23 to $0.52 each in 1000-unitlots; sampling now California Micro Devices
www.calmicro.com
(800) 325-4966
POWER MOSFETs
Si8901EDB and
Si8904EDB
20-V Si8901EDB has 30-m(omega) on-resistance; 30-V Si8904EDB has 22.5-m(omega) on-resistance; Micro Foot chip-scale package measures 1.6 by 2.4 by 0.65 mm; Si8901EDB offers 6-kV ESD protection, and Si8904EDB offers 4 kV; Si8901 targets portables that use dual p-channel SO-8 or TSSOP-8 MOSFETS; Si8901EDB targets battery packs with a traditional common-drain, n-channel configuration $0.65 each in 100,000-unit lots; eight weeks Vishay Intertechnology Inc.
www.vishay.com
(619) 336-0860
POWER MOSFET
AAT7357
20-V, dual p-channel power MOSFET has 30-(omega) (typical) drain-source on-resistance at -4.5-V gate-threshold voltage (VGS) and 49 m(omega) at -2.5 VGS; 1.6-W maximum power dissipation and 5-A continuous drain current at 25°C; -20-V drain-to-source breakdown voltage; 3- by 2.85-mm TSOPJW-8 package is 45% smaller than the standard TSSOP-8 footprint $0.68 each in 1000-unit lots; available now Advanced Analogic Technologies
www.analogictech.com
(408) 737-4600
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