1N4944 datasheet, PDF - EEWORLD Datasheet

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1N4944: Description1 A, SILICON, SIGNAL DIODE, DO-41; CategoryDiscrete semiconductor diode; File Size130KB，2 Pages; ManufacturerGulf Semiconductor; Websitehttp://www.gulfsemi.com/; Environmental Compliance

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1N4944 Overview

1 A, SILICON, SIGNAL DIODE, DO-41

1N4944 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Gulf Semiconductor
package instruction	O-PALF-W2
Reach Compliance Code	unknown
ECCN code	EAR99
Is Samacsys	N
Shell connection	ISOLATED
Configuration	SINGLE
Diode component materials	SILICON
Diode type	RECTIFIER DIODE
Maximum forward voltage (VF)	1.3 V
JEDEC-95 code	DO-204AL
JESD-30 code	O-PALF-W2
Humidity sensitivity level	1
Maximum non-repetitive peak forward current	30 A
Number of components	1
Number of terminals	2
Maximum operating temperature	150 °C
Minimum operating temperature	-50 °C
Maximum output current	1 A
Package body material	PLASTIC/EPOXY
Package shape	ROUND
Package form	LONG FORM
Maximum repetitive peak reverse voltage	400 V
Maximum reverse recovery time	0.15 µs
surface mount	NO
Terminal form	WIRE
Terminal location	AXIAL
Base Number Matches	1

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1N4942 THRU 1N4948

FAST SWITCHING

PLASTIC RECTIFIER

VOLTAGE:50 TO 1000V

CURRENT: 1.0A

FEATURE

Molded case feature for auto insertion

High current capability

Low leakage current

High surge capability

High temperature soldering guaranteed

250°C/10sec/0.375”lead length at 5 lbs tension

Fast switching for high efficiency

DO-41\DO-204AL

MECHANICAL DATA

Terminal:Plated axial leads solderable per

MIL-STD 202E, method 208C

Case:Molded with UL-94 Class V-0 recognized Flame

Retardant Epoxy

Polarity:color band denotes cathode

Mounting position:any

Dimensions in inches and (millimeters)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

(single-phase, half -wave, 60HZ, resistive or inductive load rating at 25°C, unless otherwise stated)

SYMBOL

*

Maximum Recurrent Peak Reverse Voltage

Maximum RMS Voltage

Maximum DC blocking Voltage

Maximum Average Forward Rectified

Current 3/8”lead length at Ta =75°C

Peak Forward Surge Current 8.3ms single

Half sine-wave superimposed on rated load

Maximum Forward Voltage at rated Forward

Current and 25°C

Maximum DC Reverse Current

Ta =25°C

at rated DC blocking voltage

Maximum Reverse Recovery Time (Note 1)

Typical Junction Capacitance

(Note 2)

Typical Thermal Resistance

(Note 3)

Storage and Operating Junction Temperature

Vrrm

Vrms

Vdc

If(av)

Ifsm

Vf

Ir

Trr

Cj

R(ja)

Tstg,Tj

1N

4942

200

140

200

1N

4944

400

280

400

1N

4946

600

420

600

1.0

25.0

1.3

5.0

1N

4947

800

560

800

1N

4948

1000

700

1000

units

V

A

V

µA

150

250

15.0

50.0

-50 to +150

500

nS

pF

°C/W

°C

Note:

1. Reverse Recovery Condition If

=0.5A,

Ir =1.0A, Irr =0.25A

2. Measured at 1.0 MHz and applied reverse voltage of 4.0Vdc

1

3. Thermal Resistance from Junction to Ambient at 0.375”lead length, P.C. Board Mounted

1

Rev.A4

www.gulfsemi.com

1N4944 Related Products

	1N4944	1N4942	1N4946	1N4947	1N4948
Description	1 A, SILICON, SIGNAL DIODE, DO-41	1 A, 200 V, SILICON, SIGNAL DIODE, DO-204AP	1 A, SILICON, SIGNAL DIODE	1 A, 800 V, SILICON, SIGNAL DIODE, DO-204AP	1 A, 1000 V, SILICON, SIGNAL DIODE, DO-41
Is it Rohs certified?	conform to	conform to	conform to	conform to	conform to
Maker	Gulf Semiconductor	Gulf Semiconductor	Gulf Semiconductor	Gulf Semiconductor	Gulf Semiconductor
package instruction	O-PALF-W2	PLASTIC, DO-41, 2 PIN	O-PALF-W2	O-PALF-W2	O-PALF-W2
Reach Compliance Code	unknown	unknown	unknow	unknown	unknown
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99
Shell connection	ISOLATED	ISOLATED	ISOLATED	ISOLATED	ISOLATED
Configuration	SINGLE	SINGLE	SINGLE	SINGLE	SINGLE
Diode component materials	SILICON	SILICON	SILICON	SILICON	SILICON
Diode type	RECTIFIER DIODE	RECTIFIER DIODE	RECTIFIER DIODE	RECTIFIER DIODE	RECTIFIER DIODE
Maximum forward voltage (VF)	1.3 V	1.3 V	1.3 V	1.3 V	1.3 V
JEDEC-95 code	DO-204AL	DO-204AL	DO-204AL	DO-204AL	DO-204AL
JESD-30 code	O-PALF-W2	O-PALF-W2	O-PALF-W2	O-PALF-W2	O-PALF-W2
Humidity sensitivity level	1	1	1	1	1
Maximum non-repetitive peak forward current	30 A	30 A	30 A	30 A	30 A
Number of components	1	1	1	1	1
Number of terminals	2	2	2	2	2
Maximum operating temperature	150 °C	150 °C	150 °C	150 °C	150 °C
Minimum operating temperature	-50 °C	-50 °C	-50 °C	-50 °C	-50 °C
Maximum output current	1 A	1 A	1 A	1 A	1 A
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
Package shape	ROUND	ROUND	ROUND	ROUND	ROUND
Package form	LONG FORM	LONG FORM	LONG FORM	LONG FORM	LONG FORM
Maximum repetitive peak reverse voltage	400 V	200 V	600 V	800 V	1000 V
Maximum reverse recovery time	0.15 µs	0.15 µs	0.25 µs	0.5 µs	0.5 µs
surface mount	NO	NO	NO	NO	NO
Terminal form	WIRE	WIRE	WIRE	WIRE	WIRE
Terminal location	AXIAL	AXIAL	AXIAL	AXIAL	AXIAL
Is Samacsys	N	N	-	N	N
Base Number Matches	1	1	-	1	1

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