CN209327384U - A kind of field-effect tube test adapter - Google Patents
A kind of field-effect tube test adapter Download PDFInfo
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- CN209327384U CN209327384U CN201821793599.9U CN201821793599U CN209327384U CN 209327384 U CN209327384 U CN 209327384U CN 201821793599 U CN201821793599 U CN 201821793599U CN 209327384 U CN209327384 U CN 209327384U
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Abstract
The utility model discloses a kind of field-effect tube test adapters, including daughter board and motherboard；Daughter board includes first row needle, second row needle and the first terminal plate, field-effect tube pin corresponding position is provided with two group of first binding post on first terminal plate, wherein one group of first binding post is connect with the terminals on first row needle respectively by conducting wire, and another group of the first binding post is connect with the terminals on second row needle respectively by conducting wire；Motherboard includes third row needle, the 4th row's needle, the second terminal plate, the first relay, the second relay and third relay, and the corresponding position on the second terminal plate with grid, source electrode and drain electrode in test equipment is provided with the second binding post.Field-effect tube test adapter provided by the utility model tests field-effect tube, convenient for efficient the testing to many kinds of parameters in field-effect tube of rapid and convenient, improves measuring accuracy, improves the testing efficiency in product batch production process.
Description
Technical field
The utility model relates to reliability screening and the field of test technology, particularly relate to a kind of field-effect tube test adaptation
Device.
Background technique
Field effect transistor (FET, Field Effect Transistor) abbreviation field-effect tube.Joined by majority carrier
With conduction, also referred to as unipolar transistor.It belongs to voltage controlled semiconductor device.With input resistance height (107~1015
Ω), noise is small, low in energy consumption, dynamic range is big, is easily integrated, does not have the advantages that secondary-breakdown phenomenon, safety operation area field width.
Be widely used in the application products such as Aerospace Engineering, medical instrument and robot be transistor final home to return to.
SI7216DN is a kind of field-effect tube of special package form.It has 8 pins, and there are two groups of field-effect tube in inside.
The size of this packing forms of SI7216DN type device is smaller (long 3.30mm ± 0.2, wide 3.30mm ± 0.2), the ruler between pin
Very little is only 0.35mm.Since the size between each pin is smaller, the easily short circuit in test, to cause to damage to device.It is existing
Test device when testing, when test, is unable to rapid and convenient efficiently surveying to many kinds of parameters of field-effect tube
Examination.
Utility model content
In view of this, the purpose of this utility model is that a kind of field-effect tube test adapter is proposed, so that imitating to field
It should be in the test process of pipe, convenient for efficient the testing to many kinds of parameters in field-effect tube of rapid and convenient.
Based on a kind of above-mentioned purpose field-effect tube test adapter provided by the utility model, including daughter board and motherboard；
The daughter board includes first row needle, second row needle and the first terminal plate, on first terminal plate with field-effect tube
Pin corresponding position is provided with two group of first binding post, wherein the first binding post described in one group is by conducting wire respectively with described the
On one row's needle terminals connection, the first binding post described in another group by conducting wire respectively with the terminals on the second row needle
Connection；
The motherboard includes third row needle, the 4th row's needle, the second terminal plate, the first relay, the second relay and third
Relay is provided with second with the corresponding position of grid, source electrode and drain electrode in test equipment on second terminal plate and connects
Terminal, the second binding post of wiring corresponding with test equipment grid arranges needle by the first relay and the third on the motherboard
On terminals connection, the second binding post of wiring corresponding with test equipment source electrode passes through the second relay and institute on the motherboard
The terminals connection on third row's needle is stated, the second binding post of wiring corresponding with test equipment drain electrode passes through third on the motherboard
Relay is connect with the terminals on the 4th row's needle；
During the test, the terminals of the first row needle and third row's needle are correspondingly connected with, by the second row needle
It is correspondingly connected with the terminals of the 4th row's needle.
Optionally, the first binding post on the daughter board has 8, arranges in the way of 2 × 4, adjacent institute in every row
The distance between first binding post is stated between 0.3mm to 0.35mm.
Optionally, first relay uses model G6B-2214P relay.
Optionally, second relay and third relay are all made of model TQ2-5V relay.
Optionally, Kelvin's wiring is used with the first binding post of field-effect tube pin corresponding position on the daughter board
Method.
From the above it can be seen that a kind of field-effect tube test adapter provided by the utility model, including daughter board and
Motherboard.The daughter board includes first row needle, second row needle and the first terminal plate, on first terminal plate with field-effect tube pin
Corresponding position is provided with two group of first binding post, wherein the first binding post described in one group by conducting wire respectively with the first row
Terminals connection on needle, the first binding post described in another group are connected with the terminals on the second row needle respectively by conducting wire
It connects.The motherboard includes third row needle, the 4th row's needle, the second terminal plate, the first relay, the second relay and third relay
Device, the corresponding position on second terminal plate with grid, source electrode and drain electrode in test equipment are provided with the second binding post,
The second binding post of wiring corresponding with test equipment grid is arranged on needle by the first relay and the third on the motherboard
Terminals connection, the second binding post of wiring corresponding with test equipment source electrode passes through the second relay and described the on the motherboard
Terminals on three row's needles connect, and the second binding post of wiring corresponding with test equipment drain electrode passes through third relay on the motherboard
Device is connect with the terminals on the 4th row's needle, during the test, by the terminals of the first row needle and third row's needle
It is correspondingly connected with, the terminals of the second row needle and the 4th row's needle is correspondingly connected with.Using field-effect provided by the utility model
Pipe test adapter tests field-effect tube, passes through the logical of the first relay of control, the second relay and third relay
It is disconnected, the test to the parameters of field-effect tube can be completed, disposably can rapidly and efficiently realize whole parameters of device
Testing requirement improves measuring accuracy, substantially increases the testing efficiency in product batch production process.
Detailed description of the invention
Fig. 1 is field-effect tube bottom surface structure schematic diagram；
Fig. 2 is a kind of schematic diagram of one embodiment of the daughter board of field-effect tube test adapter of the utility model；
Fig. 3 is a kind of schematic diagram of one embodiment of the motherboard of field-effect tube test adapter of the utility model.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to attached drawing, the utility model is further described.
It should be noted that all statements for using " first " and " second " are for area in the utility model embodiment
Be divided to two non-equal entities of same names or non-equal parameter, it is seen that " first " " second " only for statement convenience,
It should not be construed as the restriction to the utility model embodiment, subsequent embodiment no longer illustrates this one by one.
A kind of field-effect tube test adapter provided by the utility model, including daughter board and motherboard.The daughter board includes the
One row's needle, second row needle and the first terminal plate are provided with two with field-effect tube pin corresponding position on first terminal plate
The first binding post of group, wherein the first binding post described in one group is connect with the terminals on the first row needle respectively by conducting wire,
First binding post described in another group is connect with the terminals on the second row needle respectively by conducting wire.The motherboard includes third
Arrange needle, the 4th row's needle, the second terminal plate, the first relay, the second relay and third relay, on second terminal plate with
The corresponding position of grid, source electrode and drain electrode in test equipment is provided with the second binding post, on the motherboard with test equipment
The second binding post that grid corresponds to wiring is arranged the terminals on needle with the third by the first relay and is connect, on the motherboard
Second binding post of wiring corresponding with test equipment source electrode is arranged the terminals on needle with the third by the second relay and is connect,
The second binding post of wiring corresponding with test equipment drain electrode passes through on third relay and the 4th row's needle on the motherboard
Terminals connection.During the test, the terminals of the first row needle and third row's needle are correspondingly connected with, by the second row
The terminals of needle and the 4th row's needle are correspondingly connected with.
As shown in Figure 1, being field-effect tube bottom surface structure schematic diagram, it can be seen from the figure that the bottom surface of field-effect tube is arranged
There are 8 pins, the pin is divided into two groups, is located at field-effect tube bottom surface both side, every group of 4 pins.
As shown in Fig. 2, being a kind of signal of one embodiment of the daughter board of field-effect tube test adapter of the utility model
Figure.It can be seen from the figure that the daughter board of the field-effect tube test adapter includes that first row needle 1, second row needle 2 and first connect
Line plate 3 is provided with two group of first binding post 4 with field-effect tube pin corresponding position on first terminal plate 3, wherein one group
First binding post 4 is connect with the terminals on the first row needle 1 respectively by conducting wire, the first binding post described in another group
4 are connect with the terminals on the second row needle 2 respectively by conducting wire.
Fig. 3 is a kind of schematic diagram of one embodiment of the motherboard of field-effect tube test adapter of the utility model.From figure
In as can be seen that the motherboard of the field-effect tube test adapter includes third row needle 5, the 4th row's needle 6, the second terminal plate 7, the
One relay 9, the second relay 10 and third relay 11, on second terminal plate 7 with grid, the source electrode in test equipment
The corresponding position of drain electrode is provided with the second binding post 8, the second of wiring corresponding with test equipment grid connects on the motherboard
Terminal 8 is connect by the terminals on the first relay 9 and the third row's needle 5, on the motherboard with test equipment source electrode pair
Answer the second binding post 8 of wiring to arrange the terminals on needle 5 with the third by the second relay 10 to connect, on the motherboard and
Second binding post 8 of the corresponding wiring of test equipment drain electrode is connected by the terminals on third relay 11 and the 4th row's needle 6
It connects.
Optionally, the first binding post 4 on the daughter board has 8, arranges in the way of 2 × 4, adjacent institute in every row
The distance between first binding post 4 is stated between 0.3mm to 0.35mm.
As one embodiment of the utility model, first relay 9 uses model G6B-2214P relay.
As another embodiment of the utility model, second relay 10 and third relay 11 are all made of model
For TQ2-5V relay.
As a preferred embodiment of the utility model, on the daughter board with field-effect tube pin corresponding position
One binding post 4 uses Kelvin's connection, improves the precision of field-effect tube test adapter test parameter.
When being tested using a kind of field-effect tube test adapter provided by the utility model field-effect tube, field is imitated
Should the pin of pipe be placed at 4 position of the first binding post on the first terminal plate 3 of daughter board, by the second binding post 8 on motherboard
It is connected respectively with the grid of test equipment, source electrode and drain electrode, it will be on the terminals and third row's needle 5 on first row needle 1
Terminals are connected respectively, and the terminals on terminals and the 4th row's needle 6 on second row needle 2 are connected respectively, then
By the on-off of the first relay 9 of control, the second relay 10 and third relay 11, can be completed to each of field-effect tube
The test of parameter, can quickly and easily testing to many kinds of parameters in field-effect tube, can disposably fast implement device
The testing requirement of whole parameters of part, improves measuring accuracy, substantially increases the testing efficiency in product batch production process.
The utility model is convenient, flexible, and practicability is stronger；Design composition rationally, is easy to purchase and assemble, and cost is relatively low；
Since field-effect tube test adapter is structurally reasonable understandable, it may be convenient to according to the distribution of different pins and different internal structures
It needs to be transformed；Field-effect tube test adapter, only need to be in daughter board when being transformed according to the distribution of the pin of device simultaneously
On according to the pin difference of device come rewiring, without changing motherboard, saved cost；This field-effect tube test adapter
The testing requirement that whole parameters of device can disposably be fast implemented, improves measuring accuracy, substantially increases product batch life
Testing efficiency during production.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under the thinking of the utility model, the above reality
Applying can also be combined between the technical characteristic in example or different embodiments, and there are the utility model as described above
Many other variations of different aspect, for simplicity, they are not provided in details.Therefore, all spirit in the utility model
Within principle, any omission, modification, equivalent replacement, improvement for being made etc. should be included in the protection scope of the utility model
Within.
Claims (5)
1. a kind of field-effect tube test adapter, which is characterized in that including daughter board and motherboard；
The daughter board includes first row needle, second row needle and the first terminal plate, on first terminal plate with field-effect tube pin
Corresponding position is provided with two group of first binding post, wherein the first binding post described in one group by conducting wire respectively with the first row
Terminals connection on needle, the first binding post described in another group are connected with the terminals on the second row needle respectively by conducting wire
It connects；
The motherboard includes third row needle, the 4th row's needle, the second terminal plate, the first relay, the second relay and third relay
Device, the corresponding position on second terminal plate with grid, source electrode and drain electrode in test equipment are provided with the second binding post,
The second binding post of wiring corresponding with test equipment grid is arranged on needle by the first relay and the third on the motherboard
Terminals connection, the second binding post of wiring corresponding with test equipment source electrode passes through the second relay and described the on the motherboard
Terminals on three row's needles connect, and the second binding post of wiring corresponding with test equipment drain electrode passes through third relay on the motherboard
Device is connect with the terminals on the 4th row's needle；
During the test, the terminals of the first row needle and third row's needle are correspondingly connected with, by the second row needle and the
The terminals of four row's needles are correspondingly connected with.
2. a kind of field-effect tube test adapter according to claim 1, which is characterized in that first on the daughter board connects
Terminal has 8, arranges in the way of 2 × 4, and adjacent the distance between first binding post arrives in every row for 0.3mm
Between 0.35mm.
3. a kind of field-effect tube test adapter according to claim 1, which is characterized in that first relay uses
Model G6B-2214P relay.
4. a kind of field-effect tube test adapter according to claim 1, which is characterized in that second relay and
Three relays are all made of model TQ2-5V relay.
5. a kind of field-effect tube test adapter according to claim 1, which is characterized in that on the daughter board with field-effect
First binding post of pipe pin corresponding position uses Kelvin's connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821793599.9U CN209327384U (en) | 2018-11-01 | 2018-11-01 | A kind of field-effect tube test adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821793599.9U CN209327384U (en) | 2018-11-01 | 2018-11-01 | A kind of field-effect tube test adapter |
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| Publication Number | Publication Date |
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| CN209327384U true CN209327384U (en) | 2019-08-30 |
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ID=67709240
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| CN201821793599.9U Active CN209327384U (en) | 2018-11-01 | 2018-11-01 | A kind of field-effect tube test adapter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098799A (en) * | 2020-11-09 | 2020-12-18 | 四川立泰电子有限公司 | Alternating current dynamic parameter test calibration device and method for MOSFET device |
-
2018
- 2018-11-01 CN CN201821793599.9U patent/CN209327384U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098799A (en) * | 2020-11-09 | 2020-12-18 | 四川立泰电子有限公司 | Alternating current dynamic parameter test calibration device and method for MOSFET device |
| CN112098799B (en) * | 2020-11-09 | 2021-02-12 | 四川立泰电子有限公司 | Alternating current dynamic parameter test calibration device and method for MOSFET device |
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