JPH02118436U - - Google Patents
Info
- Publication number
- JPH02118436U JPH02118436U JP2641489U JP2641489U JPH02118436U JP H02118436 U JPH02118436 U JP H02118436U JP 2641489 U JP2641489 U JP 2641489U JP 2641489 U JP2641489 U JP 2641489U JP H02118436 U JPH02118436 U JP H02118436U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- load
- series
- ptc
- inrush current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002265 prevention Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図は、本考案に係る突入電流防止機能付き
電源回路の一実施例の構成図である。第２図は、
従来の突入電流防止機能付き電源回路の構成図で
ある。そして、第３図は、ＰＴＣの抵抗値と温度
との関係を示す特性図である。
１……電源、２……負荷、３……ＰＴＣ、５…
…コンデンサ、６……ヒユーズ、７……抵抗器。
FIG. 1 is a configuration diagram of an embodiment of a power supply circuit with an inrush current prevention function according to the present invention. Figure 2 shows
FIG. 2 is a configuration diagram of a conventional power supply circuit with an inrush current prevention function. FIG. 3 is a characteristic diagram showing the relationship between the resistance value of the PTC and the temperature. 1...Power supply, 2...Load, 3...PTC, 5...
...Capacitor, 6...Fuse, 7...Resistor.
Claims (1)
列に接続されたコンデンサと、そして、前記電源
及び前記負荷に直列に接続された開閉スイツチと
を有して構成されている電源回路において、 前記電源と前記負荷との間に直列にＰＴＣを接
続したことを特徴とする突入電流防止機能付き電
源回路。[Claims for Utility Model Registration] Consisting of a power supply connected in series to a load, a capacitor connected in parallel to the load, and an on/off switch connected in series to the power supply and the load. A power supply circuit with an inrush current prevention function, characterized in that a PTC is connected in series between the power supply and the load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2641489U JPH02118436U (en) | 1989-03-08 | 1989-03-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2641489U JPH02118436U (en) | 1989-03-08 | 1989-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02118436U true JPH02118436U (en) | 1990-09-21 |
Family
ID=31248015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2641489U Pending JPH02118436U (en) | 1989-03-08 | 1989-03-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02118436U (en) |
-
1989
- 1989-03-08 JP JP2641489U patent/JPH02118436U/ja active Pending