S5277B,S5277G,S5277J,S5277N
TOSHIBA Rectifier Silicon Diffused TypeS5277B, S5277G, S5277J, S5277N
General Purposer Rectifier Applications

Unit: mm·Average Forward Current: IF (AV) = 1.0 A·Repetitive Peak Reverse Voltage: VRRM = 100~1000 V

Maximum Ratings (Ta = 25°C)
Characteristics

SymbolRating

S5277B
Repetitive peak reverse
voltage

S5277G
S5277J

100400

VRRM

1000IF (AV)

1.0

S5277B
Peak one cycle surge
forward current(non repetitive)

S5277G
S5277J

V600

S5277N
Average forward current

UnitA50 (50 Hz)
55 (60 Hz)

IFSM

S5277NA

30 (50 Hz)

JEDEC―33 (60 Hz)

JEITA―Junction temparature

Tj-40~150°C

TOSHIBA

Storage temparature range

Tstg-40~150°C

Weight: 0.3 g (typ.)3-3C1AElectrical Characteristics (Ta = 25°C)
Characteristics

SymbolTest Condition

MinTyp.

Max

Unit

Peak forward voltage

VFM

IFM = 1.0 A

¾¾

1.2V

Repetitive peak reverse current

IRRM

VRRM = Rated¾¾10mA

Thermal resistance (junction to ambient)Rth (j-a)DC¾¾120°C/WMarking77G

Type Code Lot No.

Cathode MarkMonth ofmanufacture

January to December
are denoted by letter A
to L respectively.

Year ofmanufacture

Last decimal digit of
the year ofmanufacture

Color: Silver

1

CodeType

77B

S5277B

77G

S5277G

77J

S5277J

77N

S5277N

2002-08-29

S5277B,S5277G,S5277J,S5277N

iF – vF

Ta max – IF (AV)Maximum allowable ambient temperature
Ta max (°C)

200

10

Instantaneous forward current

iF(A)

20

5150°C

Tj = 25°C

3

1
0.5
0.3

0.1
0.4

0.8

1.2

1.6

2.0

Instantaneous forward voltage VF

160120Resistive and inductive load

80
Capacitive load
40

00

2.4

0.2

0.4

0.6

Average forward current(V)

rth (j-a) – t

IF (AV)(A)

1.2

Surge forward current (non-repetitive)
(A)

1000

Peak surge forward current IFSM

Transient thermal impedancerth (j-a) (°C/W)

1.060

10000

100

101

0.1
0.001

0.8

0.01

0.1

1

10100

1000

Tj = 25°C
5060 HzS5277B-G
4050 Hz3060 Hz20101Time t (s)50 Hz

S5277J-N
35103050100

Number of cycles at 50 Hz and 60 Hz22002-08-29S5277B,S5277G,S5277J,S5277N

RESTRICTIONS ON PRODUCT USE

000707EAA· TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physicalstress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards ofsafety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure ofsuch TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions andconditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc..
· The TOSHIBA products listed in this document are intended for usage in general electronics applications(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life orbodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane orspaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in thisdocument shall be made at the customer’s own risk.
· The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or otherrights of the third parties which may result from its use. No license is granted by implication or otherwise under
any intellectual property or other rights of TOSHIBA CORPORATION or others.
· The information contained herein is subject to change without notice.

3

2002-08-29

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