L77SDCH37SOL2RM8C309 Amphenol Connector (Other) In Stock
Amphenol L77SDCH37SOL2RM8C309 is a 37-position female D-Sub receptacle conforming to MIL-C-24308 standard, with a 2.729 x 0.494 inch shell body and tin-over-nickel termination. Designed for reliable signal interconnects in military and industrial equipment. Available in stock with worldwide shipping.
- Manufacturer
- Amphenol
- Package
- Other
- Pin Count
- 39
- Lifecycle
- ACTIVE
- Datasheet
- L77SDCH37SOL2RM8C309 Datasheet PDF
- Category
- Connector
- Price
- From $3.0900(MOQ 1)
- Temp Range
- -55.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of L77SDCH37SOL2RM8C309?
- MIL-C-24308 standard compliance ensures interoperability and reliability in demanding military and industrial D-Sub connector applications
- 37-position female receptacle with 2.729 x 0.494 inch body provides high contact density for multi-signal interface panels
- Tin-over-nickel termination finish offers solderable leads compatible with wave solder and hand-solder assembly processes
What is L77SDCH37SOL2RM8C309 used for?
The L77SDCH37SOL2RM8C309 is deployed in military communication equipment, avionics interface panels, and industrial automation cabinets where MIL-C-24308 compliant 37-pin D-Sub female receptacles are required for multi-signal harness connections. Its rugged shell construction and tin-over-nickel termination support reliable field-service environments with connector mating cycles typical of panel-mount rack equipment. System integrators in defense electronics and legacy serial communication backplanes use this 37-position connector for RS-449, parallel data buses, and instrument I/O panels.
What are the specifications of L77SDCH37SOL2RM8C309?
| YTEOL | 8.5 |
| Additional Feature | STANDARD: MIL-C-24308 |
| Body Breadth | 0.494inch |
| Body Length | 2.729inch |
| Body/Shell Style | RECEPTACLE |
| Connector Type | D SUBMINIATURE CONNECTOR |
| Contact Finish Mating | NOT SPECIFIED |
| Contact Finish Termination | TIN OVER NICKEL |
| Contact Gender | FEMALE |
| Contact Material | NOT SPECIFIED |
| Contact Pattern | STAGGERED |
| Contact Resistance | 30mΩ |
| Contact Style | RND PIN-SKT |
| DIN Conformance | NO |
| Dielectric Withstanding Voltage | 1000VAC V |
| Empty Shell | NO |
| Filter Feature | NO |
| IEC Conformance | NO |
| Insulation Resistance | 1000000000Ω |
| Insulator Material | GLASS FILLED POLYETHYLENE |
| JESD-609 Code | e3 |
| MIL Conformance | YES |
| Mating Contact Pitch | 0.109inch |
| Mating Information | MULTIPLE MATING PARTS AVAILABLE |
| Mixed Contacts | NO |
| Mounting Option 1 | #4-40 |
| Mounting Option 2 | THREADED |
| Mounting Style | STRAIGHT |
| Mounting Type | BOARD AND PANEL |
| Number of Rows Loaded | 2 |
| Option | GENERAL PURPOSE |
| Plating Thickness | 30u inch |
| Rated Current (Signal) | 5A |
| Reference Standard | UL |
| Shell Finish | TIN |
| Shell Material | STEEL |
| Shell Size | 4/C |
| Terminal Length | 0.157inch |
| Termination Type | SOLDER |
| Total Number of Contacts | 37 |
| UL Flammability Code | 94V-0 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8536.69.40.30 |
Where can I find the L77SDCH37SOL2RM8C309 datasheet?
L77SDCH37SOL2RM8C309 Datasheet DownloadOfficial datasheet from Amphenol
What are equivalent replacements for L77SDCH37SOL2RM8C309?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What military standard does the L77SDCH37SOL2RM8C309 comply with, and what does that mean for procurement?
The L77SDCH37SOL2RM8C309 meets MIL-C-24308 specifications, which define dimensional, materials, and performance requirements for D-Sub connectors used in military and aerospace applications. MIL-C-24308 compliance ensures cross-vendor interoperability and qualification for defense procurement programs requiring standardized 37-position D-Sub receptacle interfaces.
How does the 37-position contact count make L77SDCH37SOL2RM8C309 suitable for RS-449 and multi-signal interfaces?
The RS-449 serial interface standard specifies a 37-pin D-Sub connector for primary signaling, which exactly matches the 37-position female receptacle of the L77SDCH37SOL2RM8C309. Its 2.729 inch body length accommodates all 37 contacts in the standard DE-37 D-Sub shell footprint used in telecommunications and legacy data communication equipment.
What termination finish does the L77SDCH37SOL2RM8C309 use, and which soldering processes are compatible?
The L77SDCH37SOL2RM8C309 uses tin-over-nickel termination on its solder tails, which is compatible with both wave soldering and hand-soldering processes. The nickel barrier layer prevents tin migration to the contact base metal, maintaining termination reliability over the connector's service life in panel-mount 37-pin interface applications.
Related Guides
STM32H753VIT6 High-Performance MCU Design Guide
Practical STM32H753VIT6 design guidance for power, clocks, memory, DMA, PCB layout, bring-up, and production recovery.
Aug 3, 2026
STM32H753ZIT6 Selection Guide for High-Performance Embedded Systems
Select the STM32H753ZIT6 by evaluating compute, memory, LQFP144 pinout, power, interfaces, security, and sourcing requirements.
Aug 3, 2026
ICL7660ACPAZ Negative Voltage Charge Pump Design Guide
Design a reliable ICL7660ACPAZ negative rail with capacitor equations, layout rules, startup checks, and practical troubleshooting.
Aug 2, 2026
C0402C103K3RACTU 10 nF MLCC Design Guide
Practical guidance for applying the C0402C103K3RACTU 10 nF, 25 V X7R MLCC in decoupling, filtering, timing, and EMI-control networks.
Aug 2, 2026
Why Buy from FindMyChip
About Amphenol
Amphenol is a leading electronic component manufacturer. FindMyChip sources Amphenol ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.4400 | $4.44 |
| 25+ | $4.2200 | $105.50 |
| 50+ | $4.0800 | $204.00 |
| 160+ | $3.1700 | $507.20 |
| 400+ | $3.1300 | $1252.00 |
| 600+ | $3.0900 | $1854.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”
You May Also Like
10214-6212PC
3M
Connector
1778573
Phoenix Contact
Connector
5227222-3
TE Connectivity
Connector
S4B-XH-SM4-TB(LF)(SN)
JST (JAPAN SOLDERLESS TERMINALS)
Connector
185226-2
TE Connectivity
Connector
0533980571
Molex
Connector
0360-0-15-01-34-27-10-0
Mill-Max
Connector
7850-0006PR
3M
Connector
AVB 1,5/2/12
BLOCK
Connector
CLE-110-01-G-DV-TR
SAMTEC
Connector
CLE-110-01-G-DV-A-TR
SAMTEC
Connector
CLE-110-01-G-DV-A
SAMTEC
Connector
TSM-103-01-TM-DV
SAMTEC
Connector
TSM-103-01-T-SH
SAMTEC
Connector
TSM-103-01-T-DV
SAMTEC
Connector
N3764-5002RB
3M
Connector
N3627-6002RB
3M
Connector
N3627-5002RB
3M
Connector
N3440-6002RB
3M
Connector
929715-03-36-I
3M
Connector
929667-02-36-I
3M
Connector
929665-04-36-I
3M
Connector
929665-02-36-I
3M
Connector
929647-04-36-I
3M
Connector