1. TLP means photocoupler.
2. The first digit indicates the package type as shown below.

   Number	Package and Breakdown voltage
   1	SOP
   2	SOP / SOP16 / DIP (2500 Vrms/5000 Vrms)
   3	DIP (5000 Vrms)
   4	DIP4 (5000 Vrms)
   5	DIP (2500 Vrms)
   6	DIP (5000 Vrms)
   7	DIP (4000 Vrms)

3. Output style
   This section expresses output style.
   • 00～09： IC output, Photorelay
   • 10～19： IC output
   • 20～29： 4/8/16-pin multi-channel photocoupler
   • 30～39： 6 pin
   • 40～49： Thyristor output, Photorelay
   • 50～59： IC output
   • 60～69： Triac output
   • 70～79： Photorelay
   • 80～89： Transistor output / Darlington Transistor output
   • 90～99： Transistor output, Photorelay, Photo voltaic output
4. Suffix
   Withstand voltage level, etc.
   Details are as follows.
   (a) Photorelay
   
   • A： 40 V, 60 V
   • D： 200 V
   • G： 350 V
   • GA： 400 V
   • J： 600 V
   (b) Triac output, Thyristor output
   • G： 400 V
   • J： 600 V
   • L： 800 V

• (Note 1)
  All of our photocouplers comply with UL standards. And as for standards other than UL, the situations are different between each product. For details, see the Toshiba product catalog or other appropriate document.
• (Note 2)
  For those parts which do not follow the numbering scheme shown above, see the appropriate datasheet or contact us using the Inquiry Sheet.

4-Digit Part Numbering Example (Except Alphabetical Characters)

1. TLP means photocoupler.
2. The first digit indicates the product category as shown below.

   Number	Product Category
   2	IC output (logic, IPM drivers)
   3	Photorelay (1-form-A) / Triac output / Photo voltaic output
   4	Photorelay (except 1-form-A)
   5	IC output (Power device driver)

3. If the first digit is 3 or 4, the second digit indicates the subcategory as shown below.
   

   Number	Product Category, etc.
   0	Triac output (Standard type)
   1	Photorelay SOP
   2	Photorelay SSOP
   3	Photorelay USOP
   4	Photorelay VSON
   5	Photorelay DIP
   7	Triac output (High noise immunity)
   9	Photo voltaic output

   If the first digit is 2, 5 or 7, the second digit indicates the package type as shown below.
   

   Number	Package
   0	SO4 / MFSOP6
   1	SO8 (Dual ch.)
   2	―
   3	SO6 package
   4	SO8 (Single ch.)
   6	DIP8 (Dual ch.)
   7	SDIP6
   8	―
   9	DIP8 (Single ch.)

4. Part Number
   (a) If the second digit of a triac-output photocoupler is 0 or 7, the next two digits indicates the following.
   • 30～39： Breakdown voltage: 400 V, NZC
   • 40～49： Breakdown voltage: 400 V, ZC
   • 50～59： Breakdown voltage: 600 V, NZC
   • 60～69： Breakdown voltage: 600 V, ZC
   • 70～79： Breakdown voltage: 800 V, NZC
   • 80～89： Breakdown voltage: 800 V, ZC
   (b) If the second digit of a photorelay* is 1 to 4, the next two digits indicates the following.
   • 00～09： High-current type
   • 10～39： Standard type
   • 40～69： Low-C_OFFtype
     * If the second digit of a photorelay is 5, the next two digits indicates the following.
   (c) If the second digit of a photovoltaic-output photocoupler is 9, the next two digits indicates the following.
   • 00～19： Standard/economy type
   • 20～29： High-V_OC type

• (Note 1)
  All of our photocouplers comply with UL standards. And as for standards other than UL, the situations are different between each product. For details, see the Toshiba product catalog or other appropriate document.
• (Note 2)
  For those parts which do not follow the numbering scheme shown above, see the appropriate datasheet or contact us using the Inquiry Sheet.