ZH28 glass-sealed square-flange receptacle and mating plug

ZH28 Glass-Sealed Hermetic Receptacles, 3 to 61 Contacts

Glass-sealed · 3 to 61 contacts · −60 to +155 °C

ZH28 is a glass-sealed hermetic receptacle for DC, AC and pulse circuits. It mates with ZH23 plugs. Eighteen standard contact layouts from 3 to 61 contacts cover shell sizes 14 to 39, with contact diameters of 1.0, 1.5 and 2.0 mm.

Sealing
Glass-sealed
Contacts
3 to 61
Current rating
3–9 A (max. 6–18 A)
Temperature
−60 to +155 °C (max. 200 °C)
Rated voltage
400–700 V

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Key features

  • Glass-sealed hermetic receptacle; mates with ZH23 plugs
  • For DC, AC and pulse circuits
  • Contacts Ø 1.0, 1.5 and 2.0 mm
  • Three voltage classes: 700, 500 and 400 V working voltage
  • Vibration 1–5000 Hz up to 40 g; shock up to 500 g
  • Square-flange mounting, shells 14 to 39

Specifications

Electrical
ParameterValueCondition
Working / test voltage, class A700 V / 2100 V
Working / test voltage, class B500 V / 1850 V
Working / test voltage, class C400 V / 1600 V
Insulation resistance≥ 5000 MΩ
Mechanical and environmental
ParameterValueCondition
Operating temperature−60 to +155 °CUp to 200 °C maximum
Vibration1–5000 Hz, ≤ 40 g
Shock150 g repeated; 500 g single
Humidity92–98 % at +30 to +60 °C
Salt spray48 h
Durability500 mating cycles

Parameters not listed above — for example vibration level, leak rate or other environmental tests — can be tested to your requirements, including third-party testing.

Contact layouts

Contacts / shellContact diameters
4 / 14Ø 1.0
3 / 14Ø 1.5
10 / 18Ø 1.0
7 / 18Ø 1.5
19 / 22Ø 1.0
10 / 22Ø 1.5
7 / 22Ø 1.5 or Ø 2.0
19 / 24Ø 1.0 and Ø 1.5
19 / 27Ø 1.5
28 / 27Ø 1.0 or Ø 1.5
32 / 27Ø 1.0
41 / 30Ø 1.0
24 / 30Ø 1.5
55 / 33Ø 1.0
32 / 33Ø 1.0 or Ø 2.0
61 / 36Ø 1.0
43 / 36Ø 1.0 or Ø 1.5
45 / 39Ø 1.0, Ø 1.5 and Ø 2.0

Other layouts on request.

Contact sizes and current ratings

Contact sizeEngaging diameterContact resistanceCurrent ratingWire size
Ø 1.0 mm1.0 mm≤ 15 mΩ3 A (max. 6 A)—
Ø 1.5 mm1.5 mm≤ 10 mΩ6 A (max. 12 A)—
Ø 2.0 mm2.0 mm≤ 8 mΩ9 A (max. 18 A)—

How to order

ZH28- [contacts]/[shell] B-1-b-B

Example: ZH28-4/14B-1-b-B — 4 contacts, shell 14, pin contacts, without backshell, key b, all-climate version

Code segmentOptions
Contacts / shell
  • e.g. 4/14 See the contact layout table
B
  • B Pin contacts
1
  • 1 Without backshell
Key
  • b Key position
B
  • B All-climate version

Contact counts and terminations

Standard contact counts

  • 3
  • 4
  • 7
  • 10
  • 19
  • 24
  • 28
  • 32
  • 41
  • 43
  • 45
  • 55
  • 61

Terminations

  • Solder

Typical applications

  • Sealed power and control units
  • Pressurized and gas-filled enclosures
  • Pulse and power electronics
  • Industrial instrumentation

Frequently asked questions

Which plug mates with ZH28?

ZH23 plugs of the same contact count and shell size.

Selection guides

Related series

From sample to production

  1. Send your requirements

    Part number, drawing, pin-out or a short description of your application.

  2. Configuration and quote

    Our engineers match the configuration and reply with a drawing and quotation.

  3. Samples

    Samples are built to order. The minimum order quantity is 10 pieces, and samples and production orders each take 4–8 weeks. Third-party testing to your specification is available on request.

  4. Your approval

    You test the samples in your own equipment and approve them.

  5. Series production

    Production follows the approved sample configuration, with machining, molding, plating and assembly in our own Shenyang factory.

Need a quote or a drawing?

Send your part number, pin-out or drawing. Every inquiry is acknowledged by email within 1 business day, and an engineer follows up with a matched configuration, drawing or quotation.

Request a quote