1N979B-1
vs
1N4994US
feature comparison
| Rohs Code |
No
|
No
|
| Part Life Cycle Code |
Active
|
Active
|
| Ihs Manufacturer |
MICROCHIP TECHNOLOGY INC
|
MICROCHIP TECHNOLOGY INC
|
| Package Description |
DO-35, 2 PIN
|
|
| Reach Compliance Code |
compliant
|
compliant
|
| Factory Lead Time |
14 Weeks
|
28 Weeks
|
| Additional Feature |
METALLURGICALLY BONDED
|
HIGH RELIABILITY
|
| Case Connection |
ISOLATED
|
ISOLATED
|
| Configuration |
SINGLE
|
SINGLE
|
| Diode Element Material |
SILICON
|
SILICON
|
| Diode Type |
ZENER DIODE
|
ZENER DIODE
|
| Dynamic Impedance-Max |
150 Ω
|
|
| JEDEC-95 Code |
DO-204AH
|
|
| JESD-30 Code |
O-LALF-W2
|
R-LUFM-D2
|
| JESD-609 Code |
e0
|
e0
|
| Knee Impedance-Max |
2000 Ω
|
|
| Number of Elements |
1
|
1
|
| Number of Terminals |
2
|
2
|
| Operating Temperature-Max |
175 °C
|
|
| Operating Temperature-Min |
-65 °C
|
|
| Package Body Material |
GLASS
|
GLASS
|
| Package Shape |
ROUND
|
RECTANGULAR
|
| Package Style |
LONG FORM
|
FLANGE MOUNT
|
| Polarity |
UNIDIRECTIONAL
|
UNIDIRECTIONAL
|
| Power Dissipation-Max |
0.4 W
|
5 W
|
| Qualification Status |
Not Qualified
|
Not Qualified
|
| Reference Voltage-Nom |
56 V
|
330 V
|
| Reverse Current-Max |
0.5 µA
|
|
| Reverse Test Voltage |
43 V
|
|
| Surface Mount |
NO
|
NO
|
| Technology |
ZENER
|
ZENER
|
| Terminal Finish |
TIN LEAD
|
TIN LEAD
|
| Terminal Form |
WIRE
|
SOLDER LUG
|
| Terminal Position |
AXIAL
|
UPPER
|
| Voltage Temp Coeff-Max |
53.76 mV/°C
|
|
| Voltage Tol-Max |
5%
|
5%
|
| Working Test Current |
2.2 mA
|
4 mA
|
| Base Number Matches |
7
|
6
|
| Samacsys Manufacturer |
|
Microchip
|
|
|
|
Compare 1N979B-1 with alternatives
Compare 1N4994US with alternatives