Trigger Devices
2N1778
Description: Silicon Controlled Rectifier, 7.4A I(T)RMS, 4700mA I(T), 500V V(DRM), 500V V(RRM), 1 Element, TO-64, HERMETIC SEALED PACKAGE-2

Overview of 2N1778 by Powerex Power Semiconductors

Note: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Where used in Applications: Consumer Electronics Audio and Video Systems

CAD Models for 2N1778 by Powerex Power Semiconductors
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Part Data Attributes for 2N1778 by Powerex Power Semiconductors

2N1778
Powerex Power Semiconductors
-
-
Part Life Cycle Code
Obsolete
Ihs Manufacturer
POWEREX INC
Part Package Code
TO-64
Package Description
HERMETIC SEALED PACKAGE-2
Pin Count
2
Reach Compliance Code
unknown
ECCN Code
EAR99
HTS Code
8541.30.00.80
Case Connection
ANODE
Configuration
SINGLE
DC Gate Trigger Current-Max
15 mA
DC Gate Trigger Voltage-Max
2 V
JEDEC-95 Code
TO-64
JESD-30 Code
O-MUPM-D2
Leakage Current-Max
1 mA
Non-Repetitive Pk On-state Cur
60 A
Number of Elements
1
Number of Terminals
2
On-state Current-Max
4700 A
Operating Temperature-Max
125 °C
Operating Temperature-Min
-65 °C
Package Body Material
METAL
Package Shape
ROUND
Package Style
POST/STUD MOUNT
Qualification Status
Not Qualified
RMS On-state Current-Max
7.4 A
Repetitive Peak Off-state Voltage
500 V
Repetitive Peak Reverse Voltage
500 V
Surface Mount
NO
Terminal Form
SOLDER LUG
Terminal Position
UPPER
Trigger Device Type
SCR
Want to compare parts?
  1. 2N1778
    Powerex Power Semiconductors
    Silicon Controlled Rectifier, 7.4A I(T)RMS, 4700mA I(T), 500V V(DRM), 500V V(RRM), 1 Element, TO-64, HERMETIC SEALED PACKAGE-2
    VS

Alternate Parts for 2N1778

This table gives cross-reference parts and alternative options found for 2N1778. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 2N1778, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
Part Number Description Manufacturer Compare
2N1778 Silicon Controlled Rectifier, 8A I(T)RMS, 4700mA I(T), 500V V(DRM), 500V V(RRM), 1 Element, TO-64 Central Semiconductor Corp 2N1778 vs 2N1778
2N1778 Silicon Controlled Rectifier, 7.4A I(T)RMS, 500V V(RRM), 1 Element, TO-64, TO-64, 2 PIN Ge Solid State 2N1778 vs 2N1778
2N1778 Silicon Controlled Rectifier, 7.5A I(T)RMS, 1 Element, TO-64, TO-64, 2 PIN Raytheon Semiconductor 2N1778 vs 2N1778
2N1778 7.4A, 500V, SCR, TO-64, METAL PACKAGE-2 STMicroelectronics 2N1778 vs 2N1778
2N1778LEADFREE Silicon Controlled Rectifier, 8A I(T)RMS, 500V V(RRM), 1 Element, TO-64 Central Semiconductor Corp 2N1778 vs 2N1778LEADFREE
2N1778 Silicon Controlled Rectifier, TO-64 Baneasa SA 2N1778 vs 2N1778
2N1778 Silicon Controlled Rectifier, 7.4A I(T)RMS, 4700mA I(T), 500V V(DRM), 500V V(RRM), 1 Element, TO-64, Semitronics Corp 2N1778 vs 2N1778
2N1778 Silicon Controlled Rectifier, 7.4A I(T)RMS, 4700mA I(T), 500V V(DRM), 500V V(RRM), 1 Element, TO-64, TO-64, 2 PIN Advanced Semiconductor Inc 2N1778 vs 2N1778
2N1778 Silicon Controlled Rectifier, 7.4A I(T)RMS, 4700mA I(T), 500V V(DRM), 1 Element, TO-64 Loras Industries Inc 2N1778 vs 2N1778
Part Number Description Manufacturer Compare
2N1803 Silicon Controlled Rectifier, 110A I(T)RMS, 70000mA I(T), 900V V(DRM), 900V V(RRM), 1 Element, TO-208AD, TO-83, 2 PIN International Rectifier 2N1778 vs 2N1803
2N1599 1.6A, 400V, SCR, TO-205AD Motorola Mobility LLC 2N1778 vs 2N1599
S2514BH 25A, 200V, SCR, TO-220AB STMicroelectronics 2N1778 vs S2514BH
2N1772A Silicon Controlled Rectifier, 7.4A I(T)RMS, 100V V(RRM), 1 Element, TO-64, TO-64, 2 PIN Ge Solid State 2N1778 vs 2N1772A
2N5724 Silicon Controlled Rectifier, 2.512A I(T)RMS, 390mA I(T), 60V V(DRM), 60V V(RRM), 1 Element, TO-205AD, Unitrode Corp (RETIRED) 2N1778 vs 2N5724
2N3030 Silicon Controlled Rectifier, 0.785A I(T)RMS, 30V V(DRM), 30V V(RRM), 1 Element, TO-18 Microsemi Corporation 2N1778 vs 2N3030
TYS406-1 4A, 100V, SCR, TO-220AB STMicroelectronics 2N1778 vs TYS406-1
S0301LS3 Silicon Controlled Rectifier, 1.6A I(T)RMS, 1600mA I(T), 30V V(DRM), 1 Element, TO-220AB Loras Industries Inc 2N1778 vs S0301LS3
IS112 Silicon Controlled Rectifier, 12A I(T)RMS, 12000mA I(T), 100V V(DRM), 100V V(RRM), 1 Element, TO-220AB, TO-220, 3 PIN Hutson Industries 2N1778 vs IS112
BT150M-500R Silicon Controlled Rectifier, 4 A, 500 V, SCR, PLASTIC PACKAGE-3 NXP Semiconductors 2N1778 vs BT150M-500R

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