Diodes
Clicking on product's category allows you to see Diodes Part Naming Conventions.
Diode (JEITA Registration Products)
1. The value that subtracted 1 from the total number of terminals
2. S stands for Semiconductor
3. The kind of diode
- S: Diode of general-purpose use, detection use, frequency conversion use, and switching use
- V: Variable capacitance diode
4. Serial number
JEITA registration numbers
SiC Schottky Barrier Diodes
1. Toshiba SiC Schottky Barrier Diodes
2. Current rating IF(DC)
Ex.) 10 : IF(DC) = 10 A
3. Package
A : TO-220F-2L
E : TO-220-2L
J : TO-3P(N)
P : DPAK
N : TO-247
V : DFN8×8
4. Voltage rating VRRM
Display value×10 = VRRM
Ex.) 65 : VRRM = “65”×10 = 650 V
5. Generation
C, D : 1st Generation
F : 2nd Generation
6. Connection
None : 1 chip
B : 2 chips & Center tap type
Schottky barrier diode
Product Naming Conventions
Starting with the new SBD series, the product naming conventions have been changed as shown below. Product names denote packaging, current rating, voltage rating and go on.
1. Toshiba Schottky barrier diode/package style
CB： CST2B Package
CC： CST2C Package
CE： ESC Package
CM： M-Flat Package
CR： S-Flat Package
CT： CST2 Package
CU： US-Flat/USC Package
CV： UFV Package
2. Number of pins / Internal Connection
S： 2pin Single
J： 5pin Parallel
3. Average forward current,IF（AV）
Example： 08： 0.8A, 10： 1.0A
4. Product feature
I： Low forward voltage & low leakage current (New SBD series)
F： Low forward voltage
R： Low leakage current
S： Super low forward voltage
5. Reverse voltage, VRRM
Example： 30： 30 V
6. Suffix that indicates an additional feature
Old Naming Conventions
1. DS stands for Toshiba Schottky barrier diode.
2. Device feature
This letter shows the feature of a device.
R： Low leakage current type.
F： Low forward voltage type.
3. Current rating
Examples： 07： 0.7 A, 10： 1 A
4. Circuit configuration and number of pins
5. Voltage rating
Examples： 30： 30 V, 15： 15 V
6. Revision
The additional symbol for upgraded versions
7. Package style
This letter shows the package style.
New Naming Conventions
1. Package
Examples： CE： ESC, CU： USC, CB： CST2B
2. Pin count
Example： S： 2-pin
3. Current rating
Example： 07： 0.7 A
4. Device type
Examples： F： Low-voltage, R： Low-leakage
5. Voltage rating
Example： 30： 30 V
6. Revision or functional category (A to Z)
ESD-Protection Diodes
1. Toshiba ESD-protection diode
2. Package pin count
Note: The digit 7 denotes a 6-pin package.
3. Internal configuration
Example: A: Common anode
4. Clamp voltage（VBR）
5. Series
Example: L: Ultra-high-speed
6. Package style
Radio-Frequency Diodes
1. Toshiba RF diode
2. Diode type
P： PIN diode
V： Variable-capacitance diode
H： Schottky barrier diode
S： Switching diode
3. Pin count
4. Chip configuration
S： Single
C： Multiple diodes with common cathode
P： Parallel-connected diodes
L： Symmetrically connected diodes
D： Series-connected diodes
5. Number per diode type
6. Package
SC： SC2
CT： CST2、CST3
CTC： CST4C
FS： fSC
E： ESC
U： USC、USM、USQ
CR： S-FLAT
TU： UFM
T： TESQ
No suffix： S-Mini
Conventional Series
1SV*** ： Variable-capacitance and PIN diodes
1SS*** ： Schottky barrier and switching diodes