Questions tagged [specifications]
Specifications for an electronic component provide the basis for parametric part selection for operation or optimum performance of a circuit or to prevent damage to integral or connected circuit components.
217 questions
0 votes
1 answer
67 views
What is the difference between input and input capacity on an AC adapter? [duplicate]
I got a really old japanese vhs camera that came with an AC adapter, and I'm trying to figure out if it's safe to plug it into a US outlet. The label says Input AC 100-240V 50/60Hz which I think ...
0 votes
1 answer
75 views
How to interpret significant figure and its multiplier in capacitor temperature coefficient specification?
This site gives us this table: What do 'Significant Figure of Temp Coefficient' and 'Multiplier to significant figure' mean? Like, what do C and 0 as in C0G mean? I guess the third column in the ...
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-1 votes
1 answer
59 views
I need help Identifying an old TO-3 package transistor marked IR1020 Any help welcome! [closed]
I have had this thing since 2013 after going to a garage sale and getting a box full of old mostly linear active componants. The manufacturers' name looks like this IOR with the o hollowed out and the ...
1 vote
1 answer
69 views
Can I power this ADM3232E IC from an GPIO pin of STM32F303 MCU?
I'm using this STM32F303 MCU and I need to power this Digilent Pmod RS232 (UART to RS232) converter module with schematics given here and apparently uses this ADM3232E IC. For the MCU I use the ...
- 1,622
2 votes
1 answer
96 views
Specifying a device's electrical power in datasheet
If I'm not wrong, all consumer electrical devices I encountered before they mention the power spec as consumed power meaning active power. But I stumbled upon a device spec showing power as VA not W. ...
- 4,727
0 votes
1 answer
62 views
Understand nominal current of Phoenix Contact PCB headers
The PCB header MSTBVA 2,5 HC/ 2-G-5,08 (1924305) from Phoenix Contact is listed with a nominal current of 16A. Does this mean that I can load each pin with 16 A simultaneously or only both in total? I ...
- 313
1 vote
3 answers
316 views
Is there a concern having a faster rise time in I2C fast mode than 20ns spec?
I have a rigid board system that contains a µC and sensor which measures I2C SDA/SCL rise time (400kHz) at 15-17ns between 10%-90% of the signal. When I look at the NXP spec, it states a minimum of ...
- 303
1 vote
1 answer
414 views
Measuring brushed DC motor inductance
I am trying to measure the inductance of a brushed DC motor for which I have a specification sheet from the manufacturer. The spec sheet states an inductance of 1.8 mH (and a resistance of 0.05 Ohms)....
1 vote
1 answer
80 views
Which specifications are allowed to deviate with MOSFET?
Please tell me which specifications are allowed to deviate with MOSFET? I need to buy MOSFET, in my case AUIRFS4610. but that one is not available, however there are substitutes. but I am not 100% ...
- 41
4 votes
3 answers
823 views
Connector's number of mating cycles
I'm looking for a removable SMD power connector with minimum footprint to connect Li-ion batteries, and the best candidate I've found at the moment is Panasonic R35K series, which has tiny 2.24x1.3mm ...
- 185
1 vote
1 answer
106 views
What determines I2C interrupt service time after address byte ACK?
I am looking at the NXP spec for I2C and what I don't understand is the timing constraint for the portion of the transmission where the "clock line held LOW while interrupts are serviced" (...
- 303
0 votes
2 answers
88 views
Sample and Hold IC specification
I am currently designing my 3rd year project in EE. I have an MCU with an ADC that samples at 15 kHz. The signal I want to sample has a 0.5 µs rise time which is equivalent to a bandwidth of 700 kHz, ...
- 3
-1 votes
1 answer
133 views
What specs should i look for for a mosfet in this project? [closed]
I am a hobbyist and not a native so bear with me. I need a MOSFET that can switch at ~ 100 MHz and withstand up to ~ 40 V and 40 A with a variable duty cycle. If my calculation corrects 1/100 MHz ...
- 95
0 votes
1 answer
211 views
Origin and underlying sense of the term "Posted" in PCIe
When PCI Express replaced the operation of reading directly from a PCI peripheral card over a bus, directly addressing its I/O ports, or performing a configuration cycle on it directly, with instead a ...
- 11
2 votes
4 answers
205 views
Exceeding a relay's safety AC rating
I was wondering if it would be a safety hazard to exceed a relay's AC rating of 125VAC with 230VAC? Will it work? Here's the data sheet. I'm using the 5V variant. Image source: Mantech Electronics - ...
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