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1N4148

Small Signal Fast Switching Diodes

www.vishay.com

1N4148
Vishay Semiconductors

Small Signal Fast Switching Diodes

DESIGN SUPPORT TOOLS click logo to get started

FEATURES • Silicon epitaxial planar diode • Electrically equivalent diodes:
1N4148 - 1N914 • Material categorization:
for definitions of compliance please see www.vishay.com/doc?99912
APPLICATIONS • Extreme fast switches

Models
Available
MECHANICAL DATA Case: DO-35 (DO-204AH) Weight: approx. 105 mg Cathode band color: black Packaging codes / options: TR/10K per 13" reel (52 mm tape), 50K/box TAP/10K per ammopack (52 mm tape), 50K/box

PARTS TABLE

PART

ORDERING CODE

1N4148

1N4148-TAP or 1N4148TR

TYPE MARKING V4148

CIRCUIT CONFIGURATION Single

REMARKS Tape and reel / ammopack

ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)

PARAMETER

TEST CONDITION

SYMBOL

Repetitive peak reverse voltage Reverse voltage Peak forward surge current Repetitive peak forward current Forward continuous current Average forward current
Power dissipation

tp = 1 μs
VR = 0 l = 4 mm, TL = 45 °C l = 4 mm, TL ≤ 25 °C

VRRM VR IFSM IFRM IF IF(AV) Ptot Ptot

VALUE 100 75 2 500 300 150 440 500

THERMAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)

PARAMETER

TEST CONDITION

SYMBOL

Thermal resistance junction to ambient air

l = 4 mm, TL = constant

RthJA

Junction temperature

Tj

Storage temperature range

Tstg

VALUE 350 175
-65 to +150
...



LM358

Single Supply Dual Operational Amplifiers

LM258, LM358, LM358A, LM358E, LM2904, LM2904A, LM2904E, LM2904V, NCV2904

Single Supply Dual Operational Amplifiers
Utilizing the circuit designs perfected for Quad Operational Amplifiers, these dual operational amplifiers feature low power drain, a common mode input voltage range extending to ground/VEE, and single supply or split supply operation. The LM358 series is equivalent to one−half of an LM324.
These amplifiers have several distinct advantages over standard operational amplifier types in single supply applications. They can operate at supply voltages as low as 3.0 V or as high as 32 V, with quiescent currents about one−fifth of those associated with the MC1741 (on a per amplifier basis). The common mode input range includes the negative supply, thereby eliminating the necessity for external biasing components in many applications. The output voltage range also includes the negative power supply voltage.
Features
• Short Circuit Protected Outputs • True Differential Input Stage • Single Supply Operation: 3.0 V to 32 V • Low Input Bias Currents • Internally Compensated • Common Mode Range Extends to Negative Supply • Single and Split Supply Operation • ESD Clamps on the Inputs Increase Ruggedness of the Device
without Affecting Operation
• NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP ...



TL431

Adjustable precision shunt regulators

TL431 family
Adjustable precision shunt regulators
Rev. 6 — 9 January 2019

Product data sheet

1. Product profile

1.1. General description
Three-terminal shunt regulator family with an output voltage range between Vref = 2.495 V and 36 V, to be set by two external resistors.

Table 1. Product overview

Reference voltage Temperature range (Tamb)

tolerance (Vref)

0 °C to 70 °C

-40 °C to 85 °C

2.0 %

TL431CDBZR

TL431IDBZR

1.0 %

TL431ACDBZR

TL431AIDBZR

0.5 %

TL431BCDBZR

TL431BIDBZR

-40 °C to 125 °C TL431QDBZR TL431FDT TL431MFDT TL431AQDBZR TL431AFDT TL431AMFDT TL431BQDBZR TL431BFDT TL431BMFDT

Pinning configuration (see Table 5)
normal pinning normal pinning mirrored pinning normal pinning normal pinning mirrored pinning normal pinning normal pinning mirrored pinning

1.2. Features and benefits
• Programmable output voltage up to 36 V • Three different reference voltage tolerances: • • Standard grade: 2 %
• A-Grade: 1 % • B-Grade: 0.5 % • Typical temperature drift: 9 mV (in a range of 0 °C up to 70 °C) • Low output noise • Typical output impedance: 0.2 Ω • Sink current capability: 1 mA to 100 mA • AEC-Q100 qualified (grade 1)

Nexperia

TL431 family
Adjustable precision shunt regulators

1.3. Applications
• Shunt regulator • Precision current limiter • Precision constant current sink • Isolated feedback loop for Switch Mode Power Supply (SMPS)

1.4. Quick reference da...




DS18B20

1-Wire Digital Thermometer

Click here for production status of specific part numbers.
DS18B20

Programmable Resolution 1-Wire Digital Thermometer

General Description
The DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points. The DS18B20 communicates over a 1-Wire bus that by definition requires only one data line (and ground) for communication with a central microprocessor. In addition, the DS18B20 can derive power directly from the data line (“parasite power”), eliminating the need for an external power supply. Each DS18B20 has a unique 64-bit serial code, which allows multiple DS18B20s to function on the same 1-Wire bus. Thus, it is simple to use one microprocessor to control many DS18B20s distributed over a large area. Applications that can benefit from this feature include HVAC environmental controls, temperature monitoring systems inside buildings, equipment, or machinery, and process monitoring and control systems.
Applications
●● Thermostatic Controls ●● Industrial Systems ●● Consumer Products ●● Thermometers ●● Thermally Sensitive Systems
Ordering Information appears at end of data sheet.
1-Wire is a registered trademark of Maxim Integrated Products, Inc.

Benefits and Features
●● Unique 1-Wire® Interface Requires Only One Port Pin for Communication
●● Reduce Component Coun...



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