1N744A
vs
1N991B
feature comparison
| Pbfree Code |
No
|
No
|
| Rohs Code |
No
|
No
|
| Part Life Cycle Code |
Obsolete
|
Obsolete
|
| Ihs Manufacturer |
CENTRAL SEMICONDUCTOR CORP
|
CENTRAL SEMICONDUCTOR CORP
|
| Part Package Code |
DO-35
|
DO-35
|
| Package Description |
O-XALF-W2
|
DO-35, 2 PIN
|
| Pin Count |
2
|
2
|
| Reach Compliance Code |
not_compliant
|
unknown
|
| ECCN Code |
EAR99
|
EAR99
|
| HTS Code |
8541.10.00.50
|
8541.10.00.50
|
| Case Connection |
ISOLATED
|
ISOLATED
|
| Configuration |
SINGLE
|
SINGLE
|
| Diode Element Material |
SILICON
|
SILICON
|
| Diode Type |
ZENER DIODE
|
ZENER DIODE
|
| Dynamic Impedance-Max |
1200 Ω
|
2200 Ω
|
| JEDEC-95 Code |
DO-35
|
DO-35
|
| JESD-30 Code |
O-XALF-W2
|
O-XALF-W2
|
| JESD-609 Code |
e0
|
e0
|
| Number of Elements |
1
|
1
|
| Number of Terminals |
2
|
2
|
| Operating Temperature-Max |
200 °C
|
200 °C
|
| Operating Temperature-Min |
-65 °C
|
-65 °C
|
| Package Body Material |
UNSPECIFIED
|
UNSPECIFIED
|
| Package Shape |
ROUND
|
ROUND
|
| Package Style |
LONG FORM
|
LONG FORM
|
| Polarity |
UNIDIRECTIONAL
|
UNIDIRECTIONAL
|
| Power Dissipation-Max |
0.4 W
|
0.5 W
|
| Qualification Status |
Not Qualified
|
Not Qualified
|
| Reference Voltage-Nom |
180 V
|
180 V
|
| Surface Mount |
NO
|
NO
|
| Technology |
ZENER
|
ZENER
|
| Terminal Finish |
TIN LEAD
|
Tin/Lead (Sn/Pb)
|
| Terminal Form |
WIRE
|
WIRE
|
| Terminal Position |
AXIAL
|
AXIAL
|
| Voltage Tol-Max |
5%
|
5%
|
| Working Test Current |
1 mA
|
0.68 mA
|
| Base Number Matches |
1
|
10
|
| Additional Feature |
|
INDUSTRY STANDARD
|
| Forward Voltage-Max (VF) |
|
1.5 V
|
| Knee Impedance-Max |
|
7100 Ω
|
| Peak Reflow Temperature (Cel) |
|
NOT SPECIFIED
|
| Reverse Current-Max |
|
5 µA
|
| Reverse Test Voltage |
|
136.8 V
|
| Time@Peak Reflow Temperature-Max (s) |
|
NOT SPECIFIED
|
|
|
|
Compare 1N744A with alternatives
Compare 1N991B with alternatives