#CR-121-U Blocking Oscillator Transformer | Coils And Transformers

CR-121-U

Pulse Transformer

NSN 5950-01-028-3725

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
010283725

Product Technical Spec.

Reliability Indicator:
Not established
Overall Length:
5.000 inches
Mounting Hole Diameter:
0.221 inches single group
Winding Shielding Method:
Internal shield grounded to inclosure and secondary center tap single component
Body Outside Diameter:
4.250 inches
Maximum Operating Temp:
85.0 degrees celsius
Mounting Bolt Circle Diameter:
5.500 inches single mounting facility single center group
Inclosure Type:
Hermetically sealed
Mounting Facility Quantity:
8 single group
Mounting Method:
Flange single group and unthreaded hole single group
Winding Function And Quantity:
2 primary single component and 1 secondary single component
Winding Operating Current:
41.4 amperes ac single component all primary
Winding Operating Current:
9.5 amperes ac single component single secondary
Winding Operating Voltage:
10.61 ac kilovolts single component single secondary
Winding Operating Voltage:
2.59 ac kilovolts single component 1st primary
Winding Operating Voltage:
97.75 ac volts single component 2nd primary and 132.25 ac volts single component 2nd primary
Terminal Type And Quantity:
3 solder stud and 4 wire loop
NSN:
5950-01-028-3725
Item Name:
Blocking Oscillator Transformer
Cage Code:
20950

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
8712804
Cage Code:
97151
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
7412922P1
Cage Code:
99971
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
82H434
Cage Code:
30552
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
82H434
Cage Code:
09214
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
7412922P0001
Cage Code:
99971
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
CR-121-U
Cage Code:
98675
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
B7412922P1
Cage Code:
30552
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Pulse Transformers
------------ P/N CR-121-U

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Last Updated: 06/14/2025