1.2.4
Temperature Range. The operating temperature range is identified by a single letter as
follows:
A
B
C
D
E
F
L
---
---
---
---
---
---
---
Other, Customer Specified
0°C to +50°C
0°C to +70°C
-20°C to +70°C
-40°C to +70°C
-40°C to +85°C
-55°C to +85°C
1.2.5
Dash Number. The dash number uniquely identifies the OCXO. The dash number will be
assigned by Vectron International after order placement, or prior to order placement if the
customer requires the dash number to be placed on the official purchase order.
Screening Option. The screening option is identified by a single letter as follows. See
Table 1 and 2 for detailed screening information.
A --- Customer Specified
S --- Product Level S, MIL-PRF-55310 (High reliability space applications).
For Class 2 and 3 oscillators, microelectronics will be screened IAW
MIL-PRF-38534, Class K.
B --- Product Level B, MIL-PRF-55310 (High reliability applications).
For Class 2 and 3 oscillators, microelectronics will be screened IAW
MIL-PRF-38534, Class H.
R --- Modified MIL-PRF-55310, Product Level B.
For Class 1 oscillators, plastic encapsulated surface mount devices screened
IAW with MIL-PRF-19500 for JANTX parts may be used.
For Class 2 and 3 oscillators, microelectronics will not be screened.
E --- Engineering Model (EM) (See Note 1)
P --- Proof of Design (POD) / Prototype (See Note 1)
Note 1: When option E or P is selected, unscreened or commercial grade
components may be used in the product.
1.2.6
SIZE
CODE IDENT NO.
UNSPECIFIED TOLERANCES
DWG NO.
REV.
SHEET
A
00136
N/A
OS-80001
B
3
VECTRON [ Vectron International, Inc ]
