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Home > Products > Connectors, Interconnects > Circular Connectors - Circular Connector Assemblies > DTS21H21-27PB
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DTS21H21-27PB

Manufacturer Part Number:
DTS21H21-27PB
Manufacturer / Brand
TE Connectivity Deutsch Connectors
Part of Description:
DTS21H21-27PB
Datasheets:
DTS21H21-27PB.pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 35239 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number DTS21H21-27PB
Manufacturer / Brand TE Connectivity Deutsch Connectors
Stock Quantity 35239 pcs Stock
Category Connectors, Interconnects > Circular Connectors - Circular Connector Assemblies
Description DTS21H21-27PB
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage Rating -
Termination Solder Cup
Shielding Shielded
Shell Size, MIL -
Shell Size - Insert 21-27
Shell Material Stainless Steel
Shell Finish Electroless Nickel
Series MIL-DTL-38999 Series III, DTS
Primary Material Metal
Package Bulk
Orientation B
Operating Temperature -65°C ~ 200°C
Number of Positions 27
Mounting Type Panel Mount
Mounting Feature Flange
Material Flammability Rating -
Insert Material Fluorosilicone Elastomer
Ingress Protection Environment Resistant
Features Hermetically Sealed
Fastening Type Threaded
Current Rating (Amps) -
Contact Material Copper Alloy
Contact Finish Thickness - Mating -
Contact Finish - Mating Gold
Connector Type Receptacle, Male Pins
Color Silver
Cable Opening -
Base Product Number DTS21H21
Backshell Material, Plating -
Applications Aviation, Communication Systems, Industrial, Military

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

Can I use DTS21H21-27PB in a harsh industrial or aerospace enclosure where moisture, dust, and vibration are present?
DTS21H21-27PB is a MIL-DTL-38999 Series III receptacle with a threaded coupling, stainless-steel shell, environmental resistance, and hermetic sealing, so it is commonly used where sealing and retention matter. For DTS21H21-27PB, the limiting factor is usually the full interconnect system: cable terminations, mating plug, panel sealing, and assembly quality must all match the environment if you want the connector-level protection to be realized in the final build.
What should I verify before selecting DTS21H21-27PB for a 27-position design-in?
With DTS21H21-27PB, the main checks are pin assignment, wire gauge compatibility with the solder cups, contact loading, and the mating connector keying. The 21-27 insert arrangement gives you 27 positions, but successful design-in also depends on whether the signal mix, shielding scheme, and harness routing fit the available contact density without violating spacing or assembly constraints.
Is DTS21H21-27PB a good replacement if I am migrating from another MIL-DTL-38999 Series III receptacle?
DTS21H21-27PB can be a practical replacement when the existing design already uses a Series III, size 21-27, threaded, panel-mount receptacle with B orientation and solder-cup contacts. The main migration checks are shell keying, panel cutout, coupling compatibility, contact gender, and any differences in footprint or mounting flange geometry that could affect interchangeability.
Can DTS21H21-27PB be used in a design that needs rear wire access and manual assembly?
DTS21H21-27PB is a solder-cup receptacle, so it suits hand assembly and controlled harness builds where rear access is available. It is less convenient than crimp-style hardware in high-volume harness production, and DTS21H21-27PB should be chosen with the expected assembly process in mind, especially if rework access or inspection workflow matters.
How does the B orientation of DTS21H21-27PB affect mating and system integration?
DTS21H21-27PB uses B orientation, which controls the keying relationship with the mating connector. In practice, that affects plug selection, harness compatibility, and the risk of mis-mating with other polarized variants. When integrating DTS21H21-27PB, confirm the entire connector pair uses the same orientation scheme and insert arrangement.
Is DTS21H21-27PB suitable for high-reliability communication systems with shielding requirements?
DTS21H21-27PB is a shielded connector with a metal shell and threaded coupling, so it is commonly used where controlled grounding and EMI containment are part of the system design. For DTS21H21-27PB, shielding effectiveness still depends on cable shield termination, panel grounding, and the continuity of the enclosure interface rather than the connector body alone.
What are the trade-offs of choosing DTS21H21-27PB over a crimp-contact alternative?
DTS21H21-27PB uses solder-cup termination, which can be advantageous for low-to-moderate volume builds, prototype work, and compact hand-built harnesses. Compared with crimp-contact alternatives, DTS21H21-27PB may take longer to assemble and inspect, and consistency depends more on soldering process control, but it can simplify wiring where crimp tooling and contact insertion workflows are less desirable.
Can DTS21H21-27PB handle long-term outdoor or temperature-cycled operation?
DTS21H21-27PB is rated for -65°C to 200°C and uses stainless steel, electroless nickel, and fluorosilicone elastomer materials, which supports demanding temperature and environmental conditions. For long-term use, DTS21H21-27PB still needs a suitable mating pair, proper strain relief, and attention to thermal expansion, vibration, and seal compatibility at the system level.
What should I check if I am replacing a different brand connector with DTS21H21-27PB?
When replacing another brand with DTS21H21-27PB, verify shell size, insert arrangement, panel mount flange dimensions, keying, contact gender, and mating interface. Even when two connectors look similar, DTS21H21-27PB may differ in tolerances, mounting geometry, or rear accessory fit, which can affect drop-in replacement without mechanical changes.
Does DTS21H21-27PB make sense for applications that need frequent connect-disconnect cycles?
DTS21H21-27PB uses a threaded coupling mechanism, which is suited to secure, repeatable mating where vibration resistance and positive engagement matter. If the design requires very frequent manual mating, a threaded connector like DTS21H21-27PB may be slower to operate than alternatives with faster coupling methods, so the choice depends on the balance between access speed and retention behavior.
Is DTS21H21-27PB appropriate for mixed-signal or power-and-signal harnesses?
DTS21H21-27PB can be used in mixed-signal harnesses if the pinout and wire sizes are planned carefully. The practical constraint is not just the 27 positions, but how current-carrying conductors, sensitive signals, shielding, and creepage/clearance expectations are distributed across those contacts in the final harness design.
What are the main assembly risks when installing DTS21H21-27PB on a panel?
With DTS21H21-27PB, the main risks are flange sealing, panel thickness compatibility, contact contamination during soldering, and insufficient torque or improper alignment during mounting. Because DTS21H21-27PB is hermetically sealed and environmentally resistant, preserving that performance depends on a clean assembly process and a compatible mating connector system.

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