Electronic part module

1. An electronic part module, comprising:

an electronic part substrate having an insulating panel to which a plurality of bus bars are attached, wherein each of the plurality of bus bars has a respective one of a plurality of external terminal-connecting portions; a part-mounting portion in which a corresponding one of a plurality of electronic parts is mounted; and an intermediate portion disposed between the part-mounting portion and the respective one of the plurality of external terminal-connecting portions and is electrically connected to the corresponding one of the plurality of electronic parts,

a case for receiving the electronic part substrate therein, and

a connector-connecting portion in which the plurality of external terminal-connecting portions of the plurality of bus bars are collected, and which is disposed between the plurality of electronic parts,

wherein the plurality of electronic parts are aligned in two rows, and the plurality of external terminal-connecting portions are disposed between the two rows of the plurality of electronic parts,

wherein the part-mounting portion and the intermediate portion lie in a same plane, and wherein the plurality of external terminal-connecting portions extend in a direction perpendicular to the insulating panel.

2. The electrical part module in accordance with claim 1 , wherein each of the plurality of electronic parts is a relay.

3. An electronic part module, comprising:

an electronic part substrate having an insulating panel to which a plurality of bus bars are attached, wherein each of the plurality of bus bars has a respective one of a plurality of external terminal-connecting portions; a part-mounting portion in which a corresponding one of a plurality of electronic parts is mounted; and an intermediate portion disposed between the part-mounting portion and the respective one of the plurality of external terminal-connecting portions and is electrically connected to the corresponding one of the plurality of electronic parts,

the plurality of external terminal-connecting portions respectively extending from the insulating panel in a perpendicular direction,

wherein a direction in which the plurality of external terminal-connecting portions extends is parallel to a direction to which the plurality of electronic parts extends, and

wherein the part-mounting portion and the intermediate portion lie in a same plane, wherein the plurality of electronic parts are aligned in two rows, and the plurality of external terminal-connecting portions are disposed between the two rows of the plurality of electronic parts.

4. The electrical part module in accordance with claim 3 , wherein each of the plurality of electronic parts is a relay.

5. An electronic part module, comprising:

a pair of electronic part substrates, each having an insulating panel to which a plurality of bus bars are attached, wherein each of the plurality of bus bars has a respective one of a plurality of external terminal-connecting portions and is electrically connected to a corresponding one of a plurality of electronic parts,

a case for receiving the pair of electronic part substrates therein, and

a connector-connecting portion in which the plurality of external terminal-connecting portions of the plurality of bus bars is collected, and which is disposed between the plurality of electronic parts,

wherein each of the plurality of bus bars further has a part-mounting portion to which the corresponding one of the plurality of electronic parts is mounted, and an intermediate portion disposed between the part-mounting portion and the respective one of the plurality of external terminal-connecting portions,

wherein the insulating panel of each of the pair of electronic part substrates has a first surface to which the part-mounting portion is attached, a second surface to which the intermediate portion is attached, and a third surface which is opposed to the first surface and to which an end portion of the respective one of the plurality of external terminal-connecting portions adjacent to the intermediate portion is attached, and the insulating panel of each of the pair of electronic part substrates being monolithic, integrally formed in a J-shape together with the first surface, the second surface and the third surface, and

wherein the pair of electronic part substrates is disposed such that the third surface of the pair of electronic part substrates are opposed to each other.

6. The electrical part module in accordance with claim 5 , wherein each of the plurality of electronic parts is a relay.

7. An electronic part module, comprising:

each of a pair of electronic part substrates having an insulating panel to which a plurality of bus bars are attached, wherein each of the plurality of bus bars has a respective one of a plurality of external terminal-connecting portions and is electrically connected to a corresponding one of a plurality of electronic parts,

the plurality of external terminal-connecting portions respectively extending from the insulating panel in a perpendicular direction, wherein a direction in which the plurality of external terminal-connecting portions extends is parallel to a direction to which the plurality of electronic parts extends,

wherein each of the plurality of bus bars further has a part-mounting portion to which the corresponding one of the plurality of electronic parts is mounted, and an intermediate portion disposed between the part-mounting portion and the respective one of the plurality of external terminal-connecting portions,

wherein the insulating panel of each of the pair of electronic part substrates has a first surface to which the part-mounting portion is attached, a second surface to which the intermediate portion is attached, and a third surface which is opposed to the first surface and to which an end portion of the respective one of the plurality of external terminal-connecting portions adjacent to the intermediate portion is attached, the insulating panel of each of the pair of electronic part substrates being monolithic, integrally formed in a J-shape together with the first surface, the second surface and the third surface,

wherein the pair of electronic part substrates is disposed such that the third surface of the pair of electronic part substrates are opposed to each other, and wherein the plurality of electronic parts are aligned in two rows, and the plurality of external terminal-connecting portions are disposed between the two rows of the plurality of electronic parts.

8. The electrical part module in accordance with claim 7 , wherein each of the plurality of electronic parts is a relay.